+// -*- C -*-
+//
// <insn> ::=
// <insn-word> { "+" <insn-word> }
// ":" <format-name>
// IGEN config - mips16
-:option:16::insn-bit-size:16
-:option:16::hi-bit-nr:15
+// :option:16::insn-bit-size:16
+// :option:16::hi-bit-nr:15
:option:16::insn-specifying-widths:true
:option:16::gen-delayed-branch:false
// IGEN config - mips32/64..
-:option:32::insn-bit-size:32
-:option:32::hi-bit-nr:31
+// :option:32::insn-bit-size:32
+// :option:32::hi-bit-nr:31
:option:32::insn-specifying-widths:true
:option:32::gen-delayed-branch:false
// :option:::multi-sim:true
-// Models known by this simulator
-:model:::mipsI:mipsI:
-:model:::mipsII:mipsII:
-:model:::mipsIII:mipsIII:
-:model:::mipsIV:mipsIV:
-:model:::mips16:mips16:
-// start-sanitize-r5900
-:model:::r5900:r5900:
-// end-sanitize-r5900
-:model:::r3900:r3900:
-// start-sanitize-tx19
-:model:::tx19:tx19:
-// end-sanitize-tx19
-// start-sanitize-vr5400
-:model:::vr5400:vr5400:
-// end-sanitize-vr5400
+// Models known by this simulator are defined below.
+//
+// When placing models in the instruction descriptions, please place
+// them one per line, in the order given here.
+
+// MIPS ISAs:
+//
+// Instructions and related functions for these models are included in
+// this file.
+:model:::mipsI:mips3000:
+:model:::mipsII:mips6000:
+:model:::mipsIII:mips4000:
+:model:::mipsIV:mips8000:
+:model:::mipsV:mipsisaV:
+:model:::mips32:mipsisa32:
+:model:::mips64:mipsisa64:
+
+// Vendor ISAs:
+//
+// Standard MIPS ISA instructions used for these models are listed here,
+// as are functions needed by those standard instructions. Instructions
+// which are model-dependent and which are not in the standard MIPS ISAs
+// (or which pre-date or use different encodings than the standard
+// instructions) are (for the most part) in separate .igen files.
+:model:::vr4100:mips4100: // vr.igen
+:model:::vr5000:mips5000:
+:model:::r3900:mips3900: // tx.igen
+
+// MIPS Application Specific Extensions (ASEs)
+//
+// Instructions for the ASEs are in separate .igen files.
+// ASEs add instructions on to a base ISA.
+:model:::mips16:mips16: // m16.igen (and m16.dc)
+:model:::mips3d:mips3d: // mips3d.igen
+:model:::mdmx:mdmx: // mdmx.igen
+// Vendor Extensions
+//
+// Instructions specific to these extensions are in separate .igen files.
+// Extensions add instructions on to a base ISA.
+:model:::sb1:sb1: // sb1.igen
// Pseudo instructions known by IGEN
:internal::::illegal:
{
- sim_io_eprintf (SD, "Illegal instruction at address 0x%lx\n",
- (unsigned long) CIA);
- sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIGILL);
+ SignalException (ReservedInstruction, 0);
+}
+
+
+// Pseudo instructions known by interp.c
+// For grep - RSVD_INSTRUCTION, RSVD_INSTRUCTION_MASK
+000000,5.*,5.*,5.*,5.OP,000101:SPECIAL:32::RSVD
+"rsvd <OP>"
+{
+ SignalException (ReservedInstruction, instruction_0);
+}
+
+
+
+// Helper:
+//
+// Simulate a 32 bit delayslot instruction
+//
+
+:function:::address_word:delayslot32:address_word target
+{
+ instruction_word delay_insn;
+ sim_events_slip (SD, 1);
+ DSPC = CIA;
+ CIA = CIA + 4; /* NOTE not mips16 */
+ STATE |= simDELAYSLOT;
+ delay_insn = IMEM32 (CIA); /* NOTE not mips16 */
+ ENGINE_ISSUE_PREFIX_HOOK();
+ idecode_issue (CPU_, delay_insn, (CIA));
+ STATE &= ~simDELAYSLOT;
+ return target;
+}
+
+:function:::address_word:nullify_next_insn32:
+{
+ sim_events_slip (SD, 1);
+ dotrace (SD, CPU, tracefh, 2, CIA + 4, 4, "load instruction");
+ return CIA + 8;
+}
+
+
+// Helper:
+//
+// Calculate an effective address given a base and an offset.
+//
+
+:function:::address_word:loadstore_ea:address_word base, address_word offset
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ return base + offset;
+}
+
+:function:::address_word:loadstore_ea:address_word base, address_word offset
+*mips64:
+{
+#if 0 /* XXX FIXME: enable this only after some additional testing. */
+ /* If in user mode and UX is not set, use 32-bit compatibility effective
+ address computations as defined in the MIPS64 Architecture for
+ Programmers Volume III, Revision 0.95, section 4.9. */
+ if ((SR & (status_KSU_mask|status_EXL|status_ERL|status_UX))
+ == (ksu_user << status_KSU_shift))
+ return (address_word)((signed32)base + (signed32)offset);
+#endif
+ return base + offset;
+}
+
+
+// Helper:
+//
+// Check that a 32-bit register value is properly sign-extended.
+// (See NotWordValue in ISA spec.)
+//
+
+:function:::int:not_word_value:unsigned_word value
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ /* For historical simulator compatibility (until documentation is
+ found that makes these operations unpredictable on some of these
+ architectures), this check never returns true. */
+ return 0;
+}
+
+:function:::int:not_word_value:unsigned_word value
+*mips32:
+{
+ /* On MIPS32, since registers are 32-bits, there's no check to be done. */
+ return 0;
+}
+
+:function:::int:not_word_value:unsigned_word value
+*mips64:
+{
+ return ((value >> 32) != (value & 0x80000000 ? 0xFFFFFFFF : 0));
+}
+
+
+// Helper:
+//
+// Handle UNPREDICTABLE operation behaviour. The goal here is to prevent
+// theoretically portable code which invokes non-portable behaviour from
+// running with no indication of the portability issue.
+// (See definition of UNPREDICTABLE in ISA spec.)
+//
+
+:function:::void:unpredictable:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+}
+
+:function:::void:unpredictable:
+*mips32:
+*mips64:
+{
+ unpredictable_action (CPU, CIA);
+}
+
+
+// Helper:
+//
+// Check that an access to a HI/LO register meets timing requirements
+//
+// The following requirements exist:
+//
+// - A MT {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read
+// - A OP {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read
+// - A MF {HI,LO} read was not corrupted by a preceeding MT{LO,HI} update
+// corruption occures when MT{LO,HI} is preceeded by a OP {HI,LO}.
+//
+
+:function:::int:check_mf_cycles:hilo_history *history, signed64 time, const char *new
+{
+ if (history->mf.timestamp + 3 > time)
+ {
+ sim_engine_abort (SD, CPU, CIA, "HILO: %s: %s at 0x%08lx too close to MF at 0x%08lx\n",
+ itable[MY_INDEX].name,
+ new, (long) CIA,
+ (long) history->mf.cia);
+ return 0;
+ }
+ return 1;
+}
+
+:function:::int:check_mt_hilo:hilo_history *history
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*vr4100:
+*vr5000:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = check_mf_cycles (SD_, history, time, "MT");
+ history->mt.timestamp = time;
+ history->mt.cia = CIA;
+ return ok;
+}
+
+:function:::int:check_mt_hilo:hilo_history *history
+*mips32:
+*mips64:
+*r3900:
+{
+ signed64 time = sim_events_time (SD);
+ history->mt.timestamp = time;
+ history->mt.cia = CIA;
+ return 1;
+}
+
+
+:function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = 1;
+ if (peer != NULL
+ && peer->mt.timestamp > history->op.timestamp
+ && history->mt.timestamp < history->op.timestamp
+ && ! (history->mf.timestamp > history->op.timestamp
+ && history->mf.timestamp < peer->mt.timestamp)
+ && ! (peer->mf.timestamp > history->op.timestamp
+ && peer->mf.timestamp < peer->mt.timestamp))
+ {
+ /* The peer has been written to since the last OP yet we have
+ not */
+ sim_engine_abort (SD, CPU, CIA, "HILO: %s: MF at 0x%08lx following OP at 0x%08lx corrupted by MT at 0x%08lx\n",
+ itable[MY_INDEX].name,
+ (long) CIA,
+ (long) history->op.cia,
+ (long) peer->mt.cia);
+ ok = 0;
+ }
+ history->mf.timestamp = time;
+ history->mf.cia = CIA;
+ return ok;
+}
+
+
+
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*vr4100:
+*vr5000:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (check_mf_cycles (SD_, hi, time, "OP")
+ && check_mf_cycles (SD_, lo, time, "OP"));
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return ok;
+}
+
+// The r3900 mult and multu insns _can_ be exectuted immediatly after
+// a mf{hi,lo}
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*mips32:
+*mips64:
+*r3900:
+{
+ /* FIXME: could record the fact that a stall occured if we want */
+ signed64 time = sim_events_time (SD);
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return 1;
+}
+
+
+:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (check_mf_cycles (SD_, hi, time, "OP")
+ && check_mf_cycles (SD_, lo, time, "OP"));
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return ok;
+}
+
+
+// Helper:
+//
+// Check that the 64-bit instruction can currently be used, and signal
+// a ReservedInstruction exception if not.
+//
+
+:function:::void:check_u64:instruction_word insn
+*mipsIII:
+*mipsIV:
+*mipsV:
+*vr4100:
+*vr5000:
+{
+ // The check should be similar to mips64 for any with PX/UX bit equivalents.
}
+:function:::void:check_u64:instruction_word insn
+*mips64:
+{
+#if 0 /* XXX FIXME: enable this only after some additional testing. */
+ if (UserMode && (SR & (status_UX|status_PX)) == 0)
+ SignalException (ReservedInstruction, insn);
+#endif
+}
//
// MIPS Architecture:
//
-// CPU Instruction Set (mipsI - mipsIV)
+// CPU Instruction Set (mipsI - mipsV, mips32, mips64)
//
+
000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD
"add r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- ALU32_BEGIN (GPR[RS]);
- ALU32_ADD (GPR[RT]);
- ALU32_END (GPR[RD]);
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU32_BEGIN (GPR[RS]);
+ ALU32_ADD (GPR[RT]);
+ ALU32_END (GPR[RD]); /* This checks for overflow. */
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
+
001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI
-"addi r<RT>, r<RS>, IMMEDIATE"
+"addi r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- ALU32_BEGIN (GPR[RS]);
- ALU32_ADD (EXTEND16 (IMMEDIATE));
- ALU32_END (GPR[RT]);
+ if (NotWordValue (GPR[RS]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
+ {
+ ALU32_BEGIN (GPR[RS]);
+ ALU32_ADD (EXTEND16 (IMMEDIATE));
+ ALU32_END (GPR[RT]); /* This checks for overflow. */
+ }
+ TRACE_ALU_RESULT (GPR[RT]);
}
+
+:function:::void:do_addiu:int rs, int rt, unsigned16 immediate
+{
+ if (NotWordValue (GPR[rs]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = EXTEND32 (GPR[rs] + EXTEND16 (immediate));
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU
-"add r<RT>, r<RS>, IMMEDIATE"
+"addiu r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- signed32 temp = GPR[RS] + EXTEND16 (IMMEDIATE);
- GPR[RT] = EXTEND32 (temp);
+ do_addiu (SD_, RS, RT, IMMEDIATE);
}
+
+:function:::void:do_addu:int rs, int rt, int rd
+{
+ if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = EXTEND32 (GPR[rs] + GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU
+"addu r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- signed32 temp = GPR[RS] + GPR[RT];
- GPR[RD] = EXTEND32 (temp);
+ do_addu (SD_, RS, RT, RD);
}
+
+:function:::void:do_and:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] & GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND
"and r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = GPR[RS] & GPR[RT];
+ do_and (SD_, RS, RT, RD);
}
+
001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI
-"and r<RT>, r<RS>, IMMEDIATE"
+"andi r<RT>, r<RS>, %#lx<IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
+ TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
GPR[RT] = GPR[RS] & IMMEDIATE;
+ TRACE_ALU_RESULT (GPR[RT]);
}
+
000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ
-"beq r<RS>, r<RT>, OFFSET"
+"beq r<RS>, r<RT>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] == GPR[RT])
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL
"beql r<RS>, r<RT>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] == GPR[RT])
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ
"bgez r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] >= 0)
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] >= 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL
"bgezal r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if (RS == 31)
+ Unpredictable ();
RA = (CIA + 8);
- if (GPR[RS] >= 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] >= 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL
"bgezall r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if (RS == 31)
+ Unpredictable ();
RA = (CIA + 8);
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR[RS] >= 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] >= 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL
"bgezl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] >= 0)
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] >= 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ
"bgtz r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] > 0)
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] > 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL
"bgtzl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR[RS] > 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] > 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ
"blez r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR[RS] <= 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] <= 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL
"bgezl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] <= 0)
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] <= 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ
"bltz r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] < 0)
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] < 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL
"bltzal r<RS>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if (RS == 31)
+ Unpredictable ();
RA = (CIA + 8);
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR[RS] < 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] < 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL
"bltzall r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
+ if (RS == 31)
+ Unpredictable ();
RA = (CIA + 8);
- if (GPR[RS] < 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] < 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL
"bltzl r<RS>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
+ check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
- if (GPR[RS] < 0)
- DELAY_SLOT (PC + offset);
+ if ((signed_word) GPR[RS] < 0)
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE
"bne r<RS>, r<RT>, <OFFSET>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] != GPR[RT])
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
}
+
010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL
"bnel r<RS>, r<RT>, <OFFSET>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word offset = EXTEND16 (OFFSET) << 2;
- if (GPR[RS] != GPR[RT])
- DELAY_SLOT (PC + offset);
+ check_branch_bug ();
+ if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
+ {
+ mark_branch_bug (NIA+offset);
+ DELAY_SLOT (NIA + offset);
+ }
else
NULLIFY_NEXT_INSTRUCTION ();
}
+
000000,20.CODE,001101:SPECIAL:32::BREAK
-"break"
+"break %#lx<CODE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- SignalException(BreakPoint, instruction_0);
+ /* Check for some break instruction which are reserved for use by the simulator. */
+ unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK;
+ if (break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK) ||
+ break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))
+ {
+ sim_engine_halt (SD, CPU, NULL, cia,
+ sim_exited, (unsigned int)(A0 & 0xFFFFFFFF));
+ }
+ else if (break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK) ||
+ break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK))
+ {
+ if (STATE & simDELAYSLOT)
+ PC = cia - 4; /* reference the branch instruction */
+ else
+ PC = cia;
+ SignalException (BreakPoint, instruction_0);
+ }
+
+ else
+ {
+ /* If we get this far, we're not an instruction reserved by the sim. Raise
+ the exception. */
+ SignalException (BreakPoint, instruction_0);
+ }
}
-0100,ZZ!0!1!3,26.COP_FUN:NORMAL:32::COPz
-"cop<ZZ> <COP_FUN>"
-*mipsI:
-*mipsII:
-*mipsIII:
-*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+
+011100,5.RS,5.RT,5.RD,00000,100001:SPECIAL2:32::CLO
+"clo r<RD>, r<RS>"
+*mips32:
+*mips64:
{
- DecodeCoproc (instruction_0);
+ unsigned32 temp = GPR[RS];
+ unsigned32 i, mask;
+ if (RT != RD)
+ Unpredictable ();
+ if (NotWordValue (GPR[RS]))
+ Unpredictable ();
+ TRACE_ALU_INPUT1 (GPR[RS]);
+ for (mask = ((unsigned32)1<<31), i = 0; i < 32; ++i)
+ {
+ if ((temp & mask) == 0)
+ break;
+ mask >>= 1;
+ }
+ GPR[RD] = EXTEND32 (i);
+ TRACE_ALU_RESULT (GPR[RD]);
+}
+
+
+
+011100,5.RS,5.RT,5.RD,00000,100000:SPECIAL2:32::CLZ
+"clz r<RD>, r<RS>"
+*mips32:
+*mips64:
+{
+ unsigned32 temp = GPR[RS];
+ unsigned32 i, mask;
+ if (RT != RD)
+ Unpredictable ();
+ if (NotWordValue (GPR[RS]))
+ Unpredictable ();
+ TRACE_ALU_INPUT1 (GPR[RS]);
+ for (mask = ((unsigned32)1<<31), i = 0; i < 32; ++i)
+ {
+ if ((temp & mask) != 0)
+ break;
+ mask >>= 1;
+ }
+ GPR[RD] = EXTEND32 (i);
+ TRACE_ALU_RESULT (GPR[RD]);
}
+
000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD
"dadd r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- ALU64_BEGIN (GPR[RS]);
- ALU64_ADD (GPR[RT]);
- ALU64_END (GPR[RT]);
+ check_u64 (SD_, instruction_0);
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU64_BEGIN (GPR[RS]);
+ ALU64_ADD (GPR[RT]);
+ ALU64_END (GPR[RD]); /* This checks for overflow. */
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
+
011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI
"daddi r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- ALU64_BEGIN (GPR[RS]);
- ALU64_ADD (EXTEND16 (IMMEDIATE));
- ALU64_END (GPR[RT]);
+ check_u64 (SD_, instruction_0);
+ TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
+ {
+ ALU64_BEGIN (GPR[RS]);
+ ALU64_ADD (EXTEND16 (IMMEDIATE));
+ ALU64_END (GPR[RT]); /* This checks for overflow. */
+ }
+ TRACE_ALU_RESULT (GPR[RT]);
}
+
+:function:::void:do_daddiu:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = GPR[rs] + EXTEND16 (immediate);
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU
-"daddu r<RT>, r<RS>, <IMMEDIATE>"
+"daddiu r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- GPR[RT] = GPR[RS] + EXTEND16 (IMMEDIATE);
+ check_u64 (SD_, instruction_0);
+ do_daddiu (SD_, RS, RT, IMMEDIATE);
}
+
+:function:::void:do_daddu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] + GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU
"daddu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- GPR[RD] = GPR[RS] + GPR[RT];
+ check_u64 (SD_, instruction_0);
+ do_daddu (SD_, RS, RT, RD);
}
-000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV
-"ddiv r<RS>, r<RT>"
-*mipsIII:
-*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+
+011100,5.RS,5.RT,5.RD,00000,100101:SPECIAL2:64::DCLO
+"dclo r<RD>, r<RS>"
+*mips64:
{
- CHECKHILO ("Division");
- {
- signed64 n = GPR[RS];
- signed64 d = GPR[RT];
- if (d == 0)
- {
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
- }
+ unsigned64 temp = GPR[RS];
+ unsigned32 i;
+ unsigned64 mask;
+ check_u64 (SD_, instruction_0);
+ if (RT != RD)
+ Unpredictable ();
+ TRACE_ALU_INPUT1 (GPR[RS]);
+ for (mask = ((unsigned64)1<<63), i = 0; i < 64; ++i)
+ {
+ if ((temp & mask) == 0)
+ break;
+ mask >>= 1;
+ }
+ GPR[RD] = EXTEND32 (i);
+ TRACE_ALU_RESULT (GPR[RD]);
+}
+
+
+
+011100,5.RS,5.RT,5.RD,00000,100100:SPECIAL2:64::DCLZ
+"dclz r<RD>, r<RS>"
+*mips64:
+{
+ unsigned64 temp = GPR[RS];
+ unsigned32 i;
+ unsigned64 mask;
+ check_u64 (SD_, instruction_0);
+ if (RT != RD)
+ Unpredictable ();
+ TRACE_ALU_INPUT1 (GPR[RS]);
+ for (mask = ((unsigned64)1<<63), i = 0; i < 64; ++i)
+ {
+ if ((temp & mask) != 0)
+ break;
+ mask >>= 1;
+ }
+ GPR[RD] = EXTEND32 (i);
+ TRACE_ALU_RESULT (GPR[RD]);
+}
+
+
+
+:function:::void:do_ddiv:int rs, int rt
+{
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ {
+ signed64 n = GPR[rs];
+ signed64 d = GPR[rt];
+ signed64 hi;
+ signed64 lo;
+ if (d == 0)
+ {
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
+ }
else if (d == -1 && n == SIGNED64 (0x8000000000000000))
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else
{
- LO = (n / d);
- HI = (n % d);
+ lo = (n / d);
+ hi = (n % d);
}
+ HI = hi;
+ LO = lo;
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-
-000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU
-"ddivu r<RS>, r<RT>"
+000000,5.RS,5.RT,0000000000,011110:SPECIAL:64::DDIV
+"ddiv r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-*r3900:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- CHECKHILO ("Division");
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
+{
+ check_u64 (SD_, instruction_0);
+ do_ddiv (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_ddivu:int rs, int rt
+{
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- unsigned64 n = GPR[RS];
- unsigned64 d = GPR[RT];
+ unsigned64 n = GPR[rs];
+ unsigned64 d = GPR[rt];
+ unsigned64 hi;
+ unsigned64 lo;
if (d == 0)
{
- LO = SIGNED64 (0x8000000000000000);
- HI = 0;
+ lo = SIGNED64 (0x8000000000000000);
+ hi = 0;
}
else
{
- LO = (n / d);
- HI = (n % d);
+ lo = (n / d);
+ hi = (n % d);
}
+ HI = hi;
+ LO = lo;
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV
-"div r<RS>, r<RT>"
-*mipsI:
-*mipsII:
+000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU
+"ddivu r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
+{
+ check_u64 (SD_, instruction_0);
+ do_ddivu (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_div:int rs, int rt
{
- CHECKHILO("Division");
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- signed32 n = GPR[RS];
- signed32 d = GPR[RT];
+ signed32 n = GPR[rs];
+ signed32 d = GPR[rt];
if (d == 0)
{
LO = EXTEND32 (0x80000000);
HI = EXTEND32 (0);
}
- else if (d == -1 && d == 0x80000000)
+ else if (n == SIGNED32 (0x80000000) && d == -1)
{
LO = EXTEND32 (0x80000000);
HI = EXTEND32 (0);
HI = EXTEND32 (n % d);
}
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU
-"divu r<RS>, r<RT>"
+000000,5.RS,5.RT,0000000000,011010:SPECIAL:32::DIV
+"div r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- CHECKHILO ("Division");
+ do_div (SD_, RS, RT);
+}
+
+
+
+:function:::void:do_divu:int rs, int rt
+{
+ check_div_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
{
- unsigned32 n = GPR[RS];
- unsigned32 d = GPR[RT];
+ unsigned32 n = GPR[rs];
+ unsigned32 d = GPR[rt];
if (d == 0)
{
LO = EXTEND32 (0x80000000);
HI = EXTEND32 (0);
}
- else
- {
- LO = EXTEND32 (n / d);
- HI = EXTEND32 (n % d);
- }
+ else
+ {
+ LO = EXTEND32 (n / d);
+ HI = EXTEND32 (n % d);
+ }
}
+ TRACE_ALU_RESULT2 (HI, LO);
}
+000000,5.RS,5.RT,0000000000,011011:SPECIAL:32::DIVU
+"divu r<RS>, r<RT>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ do_divu (SD_, RS, RT);
+}
-000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT
+
+
+:function:::void:do_dmultx:int rs, int rt, int rd, int signed_p
+{
+ unsigned64 lo;
+ unsigned64 hi;
+ unsigned64 m00;
+ unsigned64 m01;
+ unsigned64 m10;
+ unsigned64 m11;
+ unsigned64 mid;
+ int sign;
+ unsigned64 op1 = GPR[rs];
+ unsigned64 op2 = GPR[rt];
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ /* make signed multiply unsigned */
+ sign = 0;
+ if (signed_p)
+ {
+ if (op1 < 0)
+ {
+ op1 = - op1;
+ ++sign;
+ }
+ if (op2 < 0)
+ {
+ op2 = - op2;
+ ++sign;
+ }
+ }
+ /* multiply out the 4 sub products */
+ m00 = ((unsigned64) VL4_8 (op1) * (unsigned64) VL4_8 (op2));
+ m10 = ((unsigned64) VH4_8 (op1) * (unsigned64) VL4_8 (op2));
+ m01 = ((unsigned64) VL4_8 (op1) * (unsigned64) VH4_8 (op2));
+ m11 = ((unsigned64) VH4_8 (op1) * (unsigned64) VH4_8 (op2));
+ /* add the products */
+ mid = ((unsigned64) VH4_8 (m00)
+ + (unsigned64) VL4_8 (m10)
+ + (unsigned64) VL4_8 (m01));
+ lo = U8_4 (mid, m00);
+ hi = (m11
+ + (unsigned64) VH4_8 (mid)
+ + (unsigned64) VH4_8 (m01)
+ + (unsigned64) VH4_8 (m10));
+ /* fix the sign */
+ if (sign & 1)
+ {
+ lo = -lo;
+ if (lo == 0)
+ hi = -hi;
+ else
+ hi = -hi - 1;
+ }
+ /* save the result HI/LO (and a gpr) */
+ LO = lo;
+ HI = hi;
+ if (rd != 0)
+ GPR[rd] = lo;
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_dmult:int rs, int rt, int rd
+{
+ do_dmultx (SD_, rs, rt, rd, 1);
+}
+
+000000,5.RS,5.RT,0000000000,011100:SPECIAL:64::DMULT
"dmult r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
{
- CHECKHILO ("Multiplication");
- {
- signed64 op1 = GPR[RS];
- signed64 op2 = GPR[RT];
- unsigned64 lo;
- unsigned64 hi;
- unsigned64 m00;
- unsigned64 m01;
- unsigned64 m10;
- unsigned64 m11;
- unsigned64 mid;
- int sign = 0;
- /* make it unsigned */
- if (op1 < 0)
- {
- op1 = - op1;
- ++sign;
- }
- if (op2 < 0)
- {
- op2 = - op2;
- ++sign;
- }
- /* multuply out the 4 sub products */
- m00 = (VL4_8 (op1) * VL4_8 (op2));
- m10 = (VH4_8 (op1) * VL4_8 (op2));
- m01 = (VL4_8 (op1) * VH4_8 (op2));
- m11 = (VH4_8 (op1) * VH4_8 (op2));
- /* add the products */
- mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01);
- lo = U8_4 (mid, m00);
- hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10);
- /* save the result */
- if (sign & 1)
- {
- LO = -lo;
- if (lo == 0)
- HI = -hi;
- else
- HI = -hi - 1;
- }
- else
- {
- LO = lo;
- HI = hi;
- }
- }
+ check_u64 (SD_, instruction_0);
+ do_dmult (SD_, RS, RT, 0);
+}
+
+000000,5.RS,5.RT,5.RD,00000,011100:SPECIAL:64::DMULT
+"dmult r<RS>, r<RT>":RD == 0
+"dmult r<RD>, r<RS>, r<RT>"
+*vr5000:
+{
+ check_u64 (SD_, instruction_0);
+ do_dmult (SD_, RS, RT, RD);
}
-000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU
+
+:function:::void:do_dmultu:int rs, int rt, int rd
+{
+ do_dmultx (SD_, rs, rt, rd, 0);
+}
+
+000000,5.RS,5.RT,0000000000,011101:SPECIAL:64::DMULTU
"dmultu r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
{
- CHECKHILO ("Multiplication");
- {
- signed64 op1 = GPR[RS];
- signed64 op2 = GPR[RT];
- unsigned64 lo;
- unsigned64 hi;
- unsigned64 m00;
- unsigned64 m01;
- unsigned64 m10;
- unsigned64 m11;
- unsigned64 mid;
- /* multuply out the 4 sub products */
- m00 = (VL4_8 (op1) * VL4_8 (op2));
- m10 = (VH4_8 (op1) * VL4_8 (op2));
- m01 = (VL4_8 (op1) * VH4_8 (op2));
- m11 = (VH4_8 (op1) * VH4_8 (op2));
- /* add the products */
- mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01);
- lo = U8_4 (mid, m00);
- hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10);
- /* save the result */
- LO = lo;
- HI = hi;
- }
+ check_u64 (SD_, instruction_0);
+ do_dmultu (SD_, RS, RT, 0);
}
+000000,5.RS,5.RT,5.RD,00000,011101:SPECIAL:64::DMULTU
+"dmultu r<RD>, r<RS>, r<RT>":RD == 0
+"dmultu r<RS>, r<RT>"
+*vr5000:
+{
+ check_u64 (SD_, instruction_0);
+ do_dmultu (SD_, RS, RT, RD);
+}
-00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
+:function:::void:do_dsll:int rt, int rd, int shift
+{
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = GPR[rt] << shift;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,00000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL
"dsll r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- int s = SHIFT;
- GPR[RD] = GPR[RT] << s;
+ check_u64 (SD_, instruction_0);
+ do_dsll (SD_, RT, RD, SHIFT);
}
-00000000000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32
+000000,00000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32
"dsll32 r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
int s = 32 + SHIFT;
+ check_u64 (SD_, instruction_0);
+ TRACE_ALU_INPUT2 (GPR[RT], s);
GPR[RD] = GPR[RT] << s;
+ TRACE_ALU_RESULT (GPR[RD]);
}
+:function:::void:do_dsllv:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = GPR[rt] << s;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
-000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV
+000000,5.RS,5.RT,5.RD,00000,010100:SPECIAL:64::DSLLV
"dsllv r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- int s = MASKED64 (GPR[RS], 5, 0);
- GPR[RD] = GPR[RT] << s;
+ check_u64 (SD_, instruction_0);
+ do_dsllv (SD_, RS, RT, RD);
+}
+
+:function:::void:do_dsra:int rt, int rd, int shift
+{
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = ((signed64) GPR[rt]) >> shift;
+ TRACE_ALU_RESULT (GPR[rd]);
}
-00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
+000000,00000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA
"dsra r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- int s = SHIFT;
- GPR[RD] = ((signed64) GPR[RT]) >> s;
+ check_u64 (SD_, instruction_0);
+ do_dsra (SD_, RT, RD, SHIFT);
}
-00000000000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32
-"dsra32 r<RT>, r<RD>, <SHIFT>"
+000000,00000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32
+"dsra32 r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
int s = 32 + SHIFT;
+ check_u64 (SD_, instruction_0);
+ TRACE_ALU_INPUT2 (GPR[RT], s);
GPR[RD] = ((signed64) GPR[RT]) >> s;
+ TRACE_ALU_RESULT (GPR[RD]);
}
-000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV
-"dsra32 r<RT>, r<RD>, r<RS>"
+:function:::void:do_dsrav:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = ((signed64) GPR[rt]) >> s;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,010111:SPECIAL:64::DSRAV
+"dsrav r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- int s = MASKED64 (GPR[RS], 5, 0);
- GPR[RD] = ((signed64) GPR[RT]) >> s;
+ check_u64 (SD_, instruction_0);
+ do_dsrav (SD_, RS, RT, RD);
+}
+
+:function:::void:do_dsrl:int rt, int rd, int shift
+{
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = (unsigned64) GPR[rt] >> shift;
+ TRACE_ALU_RESULT (GPR[rd]);
}
-00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
-"dsrav r<RD>, r<RT>, <SHIFT>"
+000000,00000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
+"dsrl r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- int s = SHIFT;
- GPR[RD] = (unsigned64) GPR[RT] >> s;
+ check_u64 (SD_, instruction_0);
+ do_dsrl (SD_, RT, RD, SHIFT);
}
-00000000000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32
+000000,00000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32
"dsrl32 r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
int s = 32 + SHIFT;
+ check_u64 (SD_, instruction_0);
+ TRACE_ALU_INPUT2 (GPR[RT], s);
GPR[RD] = (unsigned64) GPR[RT] >> s;
+ TRACE_ALU_RESULT (GPR[RD]);
+}
+
+
+:function:::void:do_dsrlv:int rs, int rt, int rd
+{
+ int s = MASKED64 (GPR[rs], 5, 0);
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = (unsigned64) GPR[rt] >> s;
+ TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV
-"dsrl32 r<RD>, r<RT>, r<RS>"
+
+000000,5.RS,5.RT,5.RD,00000,010110:SPECIAL:64::DSRLV
+"dsrlv r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- int s = MASKED64 (GPR[RS], 5, 0);
- GPR[RD] = (unsigned64) GPR[RT] >> s;
+ check_u64 (SD_, instruction_0);
+ do_dsrlv (SD_, RS, RT, RD);
}
-000000,5.RS,5.RT,5.RD,00000101110:SPECIAL:64::DSUB
+000000,5.RS,5.RT,5.RD,00000,101110:SPECIAL:64::DSUB
"dsub r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- ALU64_BEGIN (GPR[RS]);
- ALU64_SUB (GPR[RT]);
- ALU64_END (GPR[RD]);
+ check_u64 (SD_, instruction_0);
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU64_BEGIN (GPR[RS]);
+ ALU64_SUB (GPR[RT]);
+ ALU64_END (GPR[RD]); /* This checks for overflow. */
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
-000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU
+:function:::void:do_dsubu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] - GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,101111:SPECIAL:64::DSUBU
"dsubu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- GPR[RD] = GPR[RS] - GPR[RT];
+ check_u64 (SD_, instruction_0);
+ do_dsubu (SD_, RS, RT, RD);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
/* NOTE: The region used is that of the delay slot NIA and NOT the
current instruction */
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
/* NOTE: The region used is that of the delay slot and NOT the
current instruction */
DELAY_SLOT (region | (INSTR_INDEX << 2));
}
-
-000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR
+000000,5.RS,00000,5.RD,00000,001001:SPECIAL:32::JALR
"jalr r<RS>":RD == 31
"jalr r<RD>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
address_word temp = GPR[RS];
GPR[RD] = CIA + 8;
}
-000000,5.RS,000000000000000001000:SPECIAL:32::JR
+000000,5.RS,000000000000000,001000:SPECIAL:32::JR
"jr r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
DELAY_SLOT (GPR[RS]);
}
+:function:::unsigned_word:do_load:unsigned access, address_word base, address_word offset
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0);
+ address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ if ((vaddr & access) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ LoadMemory (&memval, NULL, uncached, access, paddr, vaddr, isDATA, isREAL);
+ byte = ((vaddr & mask) ^ bigendiancpu);
+ return (memval >> (8 * byte));
+}
+
+:function:::unsigned_word:do_load_left:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ unsigned int word;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+ int nr_lhs_bits;
+ int nr_rhs_bits;
+ unsigned_word lhs_mask;
+ unsigned_word temp;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem == 0)
+ paddr = paddr & ~access;
+
+ /* compute where within the word/mem we are */
+ byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */
+ word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */
+ nr_lhs_bits = 8 * byte + 8;
+ nr_rhs_bits = 8 * access - 8 * byte;
+ /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */
+
+ /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n",
+ (long) ((unsigned64) vaddr >> 32), (long) vaddr,
+ (long) ((unsigned64) paddr >> 32), (long) paddr,
+ word, byte, nr_lhs_bits, nr_rhs_bits); */
+
+ LoadMemory (&memval, NULL, uncached, byte, paddr, vaddr, isDATA, isREAL);
+ if (word == 0)
+ {
+ /* GPR{31..32-NR_LHS_BITS} = memval{NR_LHS_BITS-1..0} */
+ temp = (memval << nr_rhs_bits);
+ }
+ else
+ {
+ /* GPR{31..32-NR_LHS_BITS = memval{32+NR_LHS_BITS..32} */
+ temp = (memval >> nr_lhs_bits);
+ }
+ lhs_mask = LSMASK (nr_lhs_bits + nr_rhs_bits - 1, nr_rhs_bits);
+ rt = (rt & ~lhs_mask) | (temp & lhs_mask);
+
+ /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx & 0x%08lx%08lx -> 0x%08lx%08lx\n",
+ (long) ((unsigned64) memval >> 32), (long) memval,
+ (long) ((unsigned64) temp >> 32), (long) temp,
+ (long) ((unsigned64) lhs_mask >> 32), (long) lhs_mask,
+ (long) (rt >> 32), (long) rt); */
+ return rt;
+}
+
+:function:::unsigned_word:do_load_right:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL);
+ /* NOTE: SPEC is wrong, has `BigEndianMem == 0' not `BigEndianMem != 0' */
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem != 0)
+ paddr = paddr & ~access;
+ byte = ((vaddr & mask) ^ (bigendiancpu & mask));
+ /* NOTE: SPEC is wrong, had `byte' not `access - byte'. See SW. */
+ LoadMemory (&memval, NULL, uncached, access - (access & byte), paddr, vaddr, isDATA, isREAL);
+ /* printf ("lr: 0x%08lx %d@0x%08lx 0x%08lx\n",
+ (long) paddr, byte, (long) paddr, (long) memval); */
+ {
+ unsigned_word screen = LSMASK (8 * (access - (byte & access) + 1) - 1, 0);
+ rt &= ~screen;
+ rt |= (memval >> (8 * byte)) & screen;
+ }
+ return rt;
+}
+
+
100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB
"lb r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((uword64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- uword64 memval = 0;
- uword64 memval1 = 0;
- uword64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8));
- }
- }
- }
+ GPR[RT] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF));
- }
- }
- }
+ GPR[RT] = do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET));
}
"ld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- COP_LD(((instruction >> 26) & 0x3),destreg,memval);;
- }
- }
- }
+ COP_LD (ZZ, RT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
+
+
011010,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDL
"ldl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = ((memval << ((7 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((7 - byte) * 8)) - 1)));
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ GPR[RT] = do_load_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
"ldr r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,(7 - byte),paddr,vaddr,isDATA,isREAL);
- {
- unsigned64 srcmask;
- if (byte == 0)
- srcmask = 0;
- else
- srcmask = ((unsigned64)-1 << (8 * (8 - byte)));
- GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte)));
- }
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16));
- }
- }
- }
+ GPR[RT] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF));
- }
- }
- }
+ GPR[RT] = do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
{
- address_word vaddr = ((unsigned64)op1 + offset);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
+ GPR[RT] = EXTEND32 (memval >> (8 * byte));
LLBIT = 1;
}
}
"lld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
+ check_u64 (SD_, instruction_0);
{
- address_word vaddr = ((unsigned64)op1 + offset);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
address_word paddr;
int uncached;
if ((vaddr & 7) != 0)
- SignalExceptionAddressLoad();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
unsigned64 memval = 0;
unsigned64 memval1 = 0;
LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- GPR[destreg] = memval;
+ GPR[RT] = memval;
LLBIT = 1;
}
}
001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI
-"lui r<RT>, <IMMEDIATE>"
+"lui r<RT>, %#lx<IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
+ TRACE_ALU_INPUT1 (IMMEDIATE);
GPR[RT] = EXTEND32 (IMMEDIATE << 16);
+ TRACE_ALU_RESULT (GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32));
- }
- }
- }
+ GPR[RT] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- COP_LW(((instruction >> 26) & 0x3),destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
+ COP_LW (ZZ, RT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL);
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval >>= 32;
- }
- GPR[destreg] = ((memval << ((3 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((3 - byte) * 8)) - 1)));
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
- }
- }
+ GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- LoadMemory(&memval,&memval1,uncached,(3 - byte),paddr,vaddr,isDATA,isREAL);
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval >>= 32;
- }
- {
- unsigned64 srcmask;
- if (byte == 0)
- srcmask = 0;
- else
- srcmask = ((unsigned64)-1 << (8 * (4 - byte)));
- GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte)));
- }
- GPR[destreg] = SIGNEXTEND(GPR[destreg],32);
- }
- }
- }
+ GPR[RT] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
}
-100111,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWU
+100111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LWU
"lwu r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ GPR[RT] = do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET));
+}
+
+
+
+011100,5.RS,5.RT,00000,00000,000000:SPECIAL2:32::MADD
+"madd r<RS>, r<RT>"
+*mips32:
+*mips64:
+{
+ signed64 temp;
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
+ + ((signed64) EXTEND32 (GPR[RT]) * (signed64) EXTEND32 (GPR[RS])));
+ LO = EXTEND32 (temp);
+ HI = EXTEND32 (VH4_8 (temp));
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+
+
+011100,5.RS,5.RT,00000,00000,000001:SPECIAL2:32::MADDU
+"maddu r<RS>, r<RT>"
+*mips32:
+*mips64:
+{
+ unsigned64 temp;
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
+ + ((unsigned64) VL4_8 (GPR[RS]) * (unsigned64) VL4_8 (GPR[RT])));
+ LO = EXTEND32 (temp);
+ HI = EXTEND32 (VH4_8 (temp));
+ TRACE_ALU_RESULT2 (HI, LO);
}
+:function:::void:do_mfhi:int rd
+{
+ check_mf_hilo (SD_, HIHISTORY, LOHISTORY);
+ TRACE_ALU_INPUT1 (HI);
+ GPR[rd] = HI;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI
"mfhi r<RD>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = HI;
- HIACCESS = 3;
+ do_mfhi (SD_, RD);
}
+
+:function:::void:do_mflo:int rd
+{
+ check_mf_hilo (SD_, LOHISTORY, HIHISTORY);
+ TRACE_ALU_INPUT1 (LO);
+ GPR[rd] = LO;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO
"mflo r<RD>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = LO;
- LOACCESS = 3; /* 3rd instruction will be safe */
+ do_mflo (SD_, RD);
}
-000000,5.RS,5.RT,5.RD,00000001011:SPECIAL:32::MOVN
+
+000000,5.RS,5.RT,5.RD,00000,001011:SPECIAL:32::MOVN
"movn r<RD>, r<RS>, r<RT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
+{
+ if (GPR[RT] != 0)
+ {
+ GPR[RD] = GPR[RS];
+ TRACE_ALU_RESULT (GPR[RD]);
+ }
+}
+
+
+
+000000,5.RS,5.RT,5.RD,00000,001010:SPECIAL:32::MOVZ
+"movz r<RD>, r<RS>, r<RT>"
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
+{
+ if (GPR[RT] == 0)
+ {
+ GPR[RD] = GPR[RS];
+ TRACE_ALU_RESULT (GPR[RD]);
+ }
+}
+
+
+
+011100,5.RS,5.RT,00000,00000,000100:SPECIAL2:32::MSUB
+"msub r<RS>, r<RT>"
+*mips32:
+*mips64:
{
- if (GPR[RT] != 0)
- GPR[RD] = GPR[RS];
+ signed64 temp;
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
+ - ((signed64) EXTEND32 (GPR[RT]) * (signed64) EXTEND32 (GPR[RS])));
+ LO = EXTEND32 (temp);
+ HI = EXTEND32 (VH4_8 (temp));
+ TRACE_ALU_RESULT2 (HI, LO);
}
-000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ
-"movz r<RD>, r<RS>, r<RT>"
-*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+
+011100,5.RS,5.RT,00000,00000,000101:SPECIAL2:32::MSUBU
+"msubu r<RS>, r<RT>"
+*mips32:
+*mips64:
{
- if (GPR[RT] == 0)
- GPR[RD] = GPR[RS];
+ unsigned64 temp;
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ temp = (U8_4 (VL4_8 (HI), VL4_8 (LO))
+ - ((unsigned64) VL4_8 (GPR[RS]) * (unsigned64) VL4_8 (GPR[RT])));
+ LO = EXTEND32 (temp);
+ HI = EXTEND32 (VH4_8 (temp));
+ TRACE_ALU_RESULT2 (HI, LO);
}
+
000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI
"mthi r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if (HIACCESS != 0)
- sim_io_eprintf (sd, "MT (move-to) over-writing HI register value\n");
+ check_mt_hilo (SD_, HIHISTORY);
HI = GPR[RS];
- HIACCESS = 3; /* 3rd instruction will be safe */
}
-000000,5.RS,000000000000000010011:SPECIAL:32::MTLO
+
+000000,5.RS,000000000000000,010011:SPECIAL:32::MTLO
"mtlo r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- if (LOACCESS != 0)
- sim_io_eprintf (sd, "MT (move-to) over-writing LO register value\n");
+ check_mt_hilo (SD_, LOHISTORY);
LO = GPR[RS];
- LOACCESS = 3; /* 3rd instruction will be safe */
}
-000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT
+
+011100,5.RS,5.RT,5.RD,00000,000010:SPECIAL2:32::MUL
+"mul r<RD>, r<RS>, r<RT>"
+*mips32:
+*mips64:
+{
+ signed64 prod;
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ prod = (((signed64)(signed32) GPR[RS])
+ * ((signed64)(signed32) GPR[RT]));
+ GPR[RD] = EXTEND32 (VL4_8 (prod));
+ TRACE_ALU_RESULT (GPR[RD]);
+}
+
+
+
+:function:::void:do_mult:int rs, int rt, int rd
+{
+ signed64 prod;
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ prod = (((signed64)(signed32) GPR[rs])
+ * ((signed64)(signed32) GPR[rt]));
+ LO = EXTEND32 (VL4_8 (prod));
+ HI = EXTEND32 (VH4_8 (prod));
+ if (rd != 0)
+ GPR[rd] = LO;
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+000000,5.RS,5.RT,0000000000,011000:SPECIAL:32::MULT
"mult r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+{
+ do_mult (SD_, RS, RT, 0);
+}
+
+
+000000,5.RS,5.RT,5.RD,00000,011000:SPECIAL:32::MULT
+"mult r<RS>, r<RT>":RD == 0
+"mult r<RD>, r<RS>, r<RT>"
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- signed64 prod;
- CHECKHILO ("Multiplication");
- prod = (((signed64)(signed32) GPR[RS])
- * ((signed64)(signed32) GPR[RT]));
+ do_mult (SD_, RS, RT, RD);
+}
+
+
+:function:::void:do_multu:int rs, int rt, int rd
+{
+ unsigned64 prod;
+ check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
+ if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ prod = (((unsigned64)(unsigned32) GPR[rs])
+ * ((unsigned64)(unsigned32) GPR[rt]));
LO = EXTEND32 (VL4_8 (prod));
HI = EXTEND32 (VH4_8 (prod));
+ if (rd != 0)
+ GPR[rd] = LO;
+ TRACE_ALU_RESULT2 (HI, LO);
}
-
-000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU
+000000,5.RS,5.RT,0000000000,011001:SPECIAL:32::MULTU
"multu r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+{
+ do_multu (SD_, RS, RT, 0);
+}
+
+000000,5.RS,5.RT,5.RD,00000,011001:SPECIAL:32::MULTU
+"multu r<RS>, r<RT>":RD == 0
+"multu r<RD>, r<RS>, r<RT>"
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned64 prod;
- CHECKHILO ("Multiplication");
- prod = (((unsigned64)(unsigned32) GPR[RS])
- * ((unsigned64)(unsigned32) GPR[RT]));
- LO = EXTEND32 (VL4_8 (prod));
- HI = EXTEND32 (VH4_8 (prod));
+ do_multu (SD_, RS, RT, RD);
}
+:function:::void:do_nor:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = ~ (GPR[rs] | GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR
"nor r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = ~ (GPR[RS] | GPR[RT]);
+ do_nor (SD_, RS, RT, RD);
}
+:function:::void:do_or:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = (GPR[rs] | GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR
"or r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = (GPR[RS] | GPR[RT]);
+ do_or (SD_, RS, RT, RD);
}
+
+:function:::void:do_ori:int rs, int rt, unsigned immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], immediate);
+ GPR[rt] = (GPR[rs] | immediate);
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
-"ori r<RT>, r<RS>, <IMMEDIATE>"
+"ori r<RT>, r<RS>, %#lx<IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RT] = (GPR[RS] | IMMEDIATE);
+ do_ori (SD_, RS, RT, IMMEDIATE);
}
-110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF
+110011,5.BASE,5.HINT,16.OFFSET:NORMAL:32::PREF
+"pref <HINT>, <OFFSET>(r<BASE>)"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int hint = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
{
- address_word vaddr = ((unsigned64)op1 + offset);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
address_word paddr;
int uncached;
{
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- Prefetch(uncached,paddr,vaddr,isDATA,hint);
+ Prefetch(uncached,paddr,vaddr,isDATA,HINT);
}
}
}
+
+:function:::void:do_store:unsigned access, address_word base, address_word offset, unsigned_word word
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0);
+ address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ if ((vaddr & access) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ byte = ((vaddr & mask) ^ bigendiancpu);
+ memval = (word << (8 * byte));
+ StoreMemory (uncached, access, memval, 0, paddr, vaddr, isREAL);
+}
+
+:function:::void:do_store_left:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ unsigned int word;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+ int nr_lhs_bits;
+ int nr_rhs_bits;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem == 0)
+ paddr = paddr & ~access;
+
+ /* compute where within the word/mem we are */
+ byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */
+ word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */
+ nr_lhs_bits = 8 * byte + 8;
+ nr_rhs_bits = 8 * access - 8 * byte;
+ /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */
+ /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n",
+ (long) ((unsigned64) vaddr >> 32), (long) vaddr,
+ (long) ((unsigned64) paddr >> 32), (long) paddr,
+ word, byte, nr_lhs_bits, nr_rhs_bits); */
+
+ if (word == 0)
+ {
+ memval = (rt >> nr_rhs_bits);
+ }
+ else
+ {
+ memval = (rt << nr_lhs_bits);
+ }
+ /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx\n",
+ (long) ((unsigned64) rt >> 32), (long) rt,
+ (long) ((unsigned64) memval >> 32), (long) memval); */
+ StoreMemory (uncached, byte, memval, 0, paddr, vaddr, isREAL);
+}
+
+:function:::void:do_store_right:unsigned access, address_word base, address_word offset, unsigned_word rt
+{
+ address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ? -1 : 0);
+ address_word bigendiancpu = (BigEndianCPU ? -1 : 0);
+ unsigned int byte;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ address_word vaddr;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem != 0)
+ paddr &= ~access;
+ byte = ((vaddr & mask) ^ (bigendiancpu & mask));
+ memval = (rt << (byte * 8));
+ StoreMemory (uncached, access - (access & byte), memval, 0, paddr, vaddr, isREAL);
+}
+
+
101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB
"sb r<RT>, <OFFSET>(r<BASE>)"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 0;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- byte = ((vaddr & mask) ^ (bigend << shift));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
{
- address_word vaddr = ((unsigned64)op1 + offset);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
unsigned int byte;
paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = ((unsigned64) op2 << (8 * byte));
+ memval = ((unsigned64) GPR[RT] << (8 * byte));
if (LLBIT)
{
StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
}
- GPR[(instruction >> 16) & 0x0000001F] = LLBIT;
+ GPR[RT] = LLBIT;
}
}
}
"scd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
+ check_u64 (SD_, instruction_0);
{
- address_word vaddr = ((unsigned64)op1 + offset);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
address_word paddr;
int uncached;
if ((vaddr & 7) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
{
unsigned64 memval = 0;
unsigned64 memval1 = 0;
- memval = op2;
+ memval = GPR[RT];
if (LLBIT)
{
StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
}
- GPR[(instruction >> 16) & 0x0000001F] = LLBIT;
+ GPR[RT] = LLBIT;
}
}
}
"sd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalExceptionAddressStore();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = op2;
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalExceptionAddressStore();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = (unsigned64)COP_SD(((instruction >> 26) & 0x3),destreg);
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (ZZ, RT));
}
"sdl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- memval = (op2 >> (8 * (7 - byte)));
- StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ do_store_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
"sdr r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 7;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- memval = ((unsigned64) op2 << (byte * 8));
- StoreMemory(uncached,(AccessLength_DOUBLEWORD - byte),memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 1) != 0)
- SignalExceptionAddressStore();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 1;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- byte = ((vaddr & mask) ^ (bigend << shift));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
-00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL
+:function:::void:do_sll:int rt, int rd, int shift
+{
+ unsigned32 temp = (GPR[rt] << shift);
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLa
+"nop":RD == 0 && RT == 0 && SHIFT == 0
"sll r<RD>, r<RT>, <SHIFT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = SHIFT;
- unsigned32 temp = (GPR[RT] << s);
- GPR[RD] = EXTEND32 (temp);
+ /* Skip shift for NOP, so that there won't be lots of extraneous
+ trace output. */
+ if (RD != 0 || RT != 0 || SHIFT != 0)
+ do_sll (SD_, RT, RD, SHIFT);
+}
+
+000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLb
+"nop":RD == 0 && RT == 0 && SHIFT == 0
+"ssnop":RD == 0 && RT == 0 && SHIFT == 1
+"sll r<RD>, r<RT>, <SHIFT>"
+*mips32:
+*mips64:
+{
+ /* Skip shift for NOP and SSNOP, so that there won't be lots of
+ extraneous trace output. */
+ if (RD != 0 || RT != 0 || (SHIFT != 0 && SHIFT != 1))
+ do_sll (SD_, RT, RD, SHIFT);
}
-000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV
+:function:::void:do_sllv:int rs, int rt, int rd
+{
+ int s = MASKED (GPR[rs], 4, 0);
+ unsigned32 temp = (GPR[rt] << s);
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,000100:SPECIAL:32::SLLV
"sllv r<RD>, r<RT>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = MASKED (GPR[RS], 4, 0);
- unsigned32 temp = (GPR[RT] << s);
- GPR[RD] = EXTEND32 (temp);
+ do_sllv (SD_, RS, RT, RD);
}
-000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT
+:function:::void:do_slt:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = ((signed_word) GPR[rs] < (signed_word) GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,101010:SPECIAL:32::SLT
"slt r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = (GPR[RS] < GPR[RT]);
+ do_slt (SD_, RS, RT, RD);
}
+:function:::void:do_slti:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate));
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI
"slti r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RT] = (GPR[RS] < EXTEND16 (IMMEDIATE));
+ do_slti (SD_, RS, RT, IMMEDIATE);
}
+:function:::void:do_sltiu:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate));
+ GPR[rt] = ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate));
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU
"sltiu r<RT>, r<RS>, <IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RT] = ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE));
+ do_sltiu (SD_, RS, RT, IMMEDIATE);
+}
+
+
+
+:function:::void:do_sltu:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU
+000000,5.RS,5.RT,5.RD,00000,101011:SPECIAL:32::SLTU
"sltu r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]);
+ do_sltu (SD_, RS, RT, RD);
}
+:function:::void:do_sra:int rt, int rd, int shift
+{
+ signed32 temp = (signed32) GPR[rt] >> shift;
+ if (NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA
"sra r<RD>, r<RT>, <SHIFT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = SHIFT;
- signed32 temp = (signed32) GPR[RT] >> s;
- GPR[RD] = EXTEND32 (temp);
+ do_sra (SD_, RT, RD, SHIFT);
}
-000000,5.RS,5.RT,5.RD,00000000111:SPECIAL:32::SRAV
+
+:function:::void:do_srav:int rs, int rt, int rd
+{
+ int s = MASKED (GPR[rs], 4, 0);
+ signed32 temp = (signed32) GPR[rt] >> s;
+ if (NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,000111:SPECIAL:32::SRAV
"srav r<RD>, r<RT>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = MASKED (GPR[RS], 4, 0);
- signed32 temp = (signed32) GPR[RT] >> s;
- GPR[RD] = EXTEND32 (temp);
+ do_srav (SD_, RS, RT, RD);
}
+
+:function:::void:do_srl:int rt, int rd, int shift
+{
+ unsigned32 temp = (unsigned32) GPR[rt] >> shift;
+ if (NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rt], shift);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL
"srl r<RD>, r<RT>, <SHIFT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = SHIFT;
- unsigned32 temp = (unsigned32) GPR[RT] >> s;
- GPR[RD] = EXTEND32 (temp);
+ do_srl (SD_, RT, RD, SHIFT);
}
-000000,5.RS,5.RT,5.RD,00000000110:SPECIAL:32::SRLV
+:function:::void:do_srlv:int rs, int rt, int rd
+{
+ int s = MASKED (GPR[rs], 4, 0);
+ unsigned32 temp = (unsigned32) GPR[rt] >> s;
+ if (NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = EXTEND32 (temp);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,000110:SPECIAL:32::SRLV
"srlv r<RD>, r<RT>, r<RS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- int s = MASKED (GPR[RS], 4, 0);
- unsigned32 temp = (unsigned32) GPR[RT] >> s;
- GPR[RD] = EXTEND32 (temp);
+ do_srlv (SD_, RS, RT, RD);
}
-000000,5.RS,5.RT,5.RD,00000100010:SPECIAL:32::SUB
+000000,5.RS,5.RT,5.RD,00000,100010:SPECIAL:32::SUB
"sub r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- ALU32_BEGIN (GPR[RS]);
- ALU32_SUB (GPR[RT]);
- ALU32_END (GPR[RD]);
+ if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
+ {
+ ALU32_BEGIN (GPR[RS]);
+ ALU32_SUB (GPR[RT]);
+ ALU32_END (GPR[RD]); /* This checks for overflow. */
+ }
+ TRACE_ALU_RESULT (GPR[RD]);
}
-000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU
+:function:::void:do_subu:int rs, int rt, int rd
+{
+ if (NotWordValue (GPR[rs]) || NotWordValue (GPR[rt]))
+ Unpredictable ();
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = EXTEND32 (GPR[rs] - GPR[rt]);
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,100011:SPECIAL:32::SUBU
"subu r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = EXTEND32 (GPR[RS] - GPR[RT]);
+ do_subu (SD_, RS, RT, RD);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = ((unsigned64) op2 << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int destreg = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
- byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = (((unsigned64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), COP_SW (ZZ, RT));
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!!ByteSwapMem)
- paddr &= ~mask;
- memval = (op2 >> (8 * (3 - byte)));
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval <<= 32;
- }
- StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 3;
- unsigned int reverse = (ReverseEndian ? mask : 0);
- unsigned int bigend = (BigEndianCPU ? mask : 0);
- int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse));
- byte = ((vaddr & mask) ^ bigend);
- if (!ByteSwapMem)
- paddr &= ~mask;
- memval = ((unsigned64) op2 << (byte * 8));
- if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) {
- memval <<= 32;
- }
- StoreMemory(uncached,(AccessLength_WORD - byte),memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+{
+ do_store_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
-000000000000000000000,5.STYPE,001111:SPECIAL:32::SYNC
+000000,000000000000000,5.STYPE,001111:SPECIAL:32::SYNC
"sync":STYPE == 0
"sync <STYPE>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
SyncOperation (STYPE);
}
000000,20.CODE,001100:SPECIAL:32::SYSCALL
-"syscall <CODE>"
+"syscall %#lx<CODE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- SignalException(SystemCall, instruction_0);
+ SignalException (SystemCall, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] == GPR[RT])
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] == EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] == (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] >= GPR[RT])
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] >= (signed_word) GPR[RT])
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] >= EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] >= (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] < GPR[RT])
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] < (signed_word) GPR[RT])
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] < EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ SignalException (Trap, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] != GPR[RT])
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
+ SignalException (Trap, instruction_0);
}
000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI
-"tne r<RS>, <IMMEDIATE>"
+"tnei r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
{
- if (GPR[RS] != EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ if ((signed_word) GPR[RS] != (signed_word) EXTEND16 (IMMEDIATE))
+ SignalException (Trap, instruction_0);
}
-000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR
+:function:::void:do_xor:int rs, int rt, int rd
+{
+ TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
+ GPR[rd] = GPR[rs] ^ GPR[rt];
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+000000,5.RS,5.RT,5.RD,00000,100110:SPECIAL:32::XOR
"xor r<RD>, r<RS>, r<RT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RD] = GPR[RS] ^ GPR[RT];
+ do_xor (SD_, RS, RT, RD);
}
+:function:::void:do_xori:int rs, int rt, unsigned16 immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], immediate);
+ GPR[rt] = GPR[rs] ^ immediate;
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI
-"xori r<RT>, r<RS>, <IMMEDIATE>"
+"xori r<RT>, r<RS>, %#lx<IMMEDIATE>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- GPR[RT] = GPR[RS] ^ IMMEDIATE;
+ do_xori (SD_, RS, RT, IMMEDIATE);
}
\f
case fmt_double: return "d";
case fmt_word: return "w";
case fmt_long: return "l";
+ case fmt_ps: return "ps";
default: return "?";
}
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
-"abs.%s<FMT> f<FD>, f<FS>"
+// Helpers:
+//
+// Check that the given FPU format is usable, and signal a
+// ReservedInstruction exception if not.
+//
+
+// check_fmt checks that the format is single or double.
+:function:::void:check_fmt:int fmt, instruction_word insn
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,AbsoluteValue(ValueFPR(fs,format),format));
- }
+ if ((fmt != fmt_single) && (fmt != fmt_double))
+ SignalException (ReservedInstruction, insn);
}
-
-
-
-010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD
-"add.%s<FMT> f<FD>, f<FS>, f<FT>"
+// check_fmt_p checks that the format is single, double, or paired single.
+:function:::void:check_fmt_p:int fmt, instruction_word insn
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mips32:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction, instruction);
- else
- StoreFPR(destreg,format,Add(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
+ /* None of these ISAs support Paired Single, so just fall back to
+ the single/double check. */
+ check_fmt (SD_, fmt, insn);
}
+:function:::void:check_fmt_p:int fmt, instruction_word insn
+*mipsV:
+*mips64:
+{
+ if ((fmt != fmt_single) && (fmt != fmt_double)
+ && (fmt != fmt_ps || (UserMode && (SR & (status_UX|status_PX)) == 0)))
+ SignalException (ReservedInstruction, insn);
+}
+
+// Helper:
//
-// FIXME: This does not correctly resolve mipsI-mipsIV differences.
+// Check that the FPU is currently usable, and signal a CoProcessorUnusable
+// exception if not.
//
-// BC1F
-// BC1FL
-// BC1T
-// BC1TL
-010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1
-"bc1%s<TF>%s<ND> <OFFSET>":CC == 0
-"bc1%s<TF>%s<ND> <CC>, <OFFSET>"
+
+:function:::void:check_fpu:
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)(((instruction >> 0) & 0x0000FFFF) << 2),18);
- int boolean = ((instruction >> 16) & 0x00000001);
- int likely = ((instruction >> 17) & 0x00000001);
- int condition_code = ((instruction >> 18) & 0x00000007);
- {
- if (condition_code != 0)
- SignalException(ReservedInstruction,instruction);
- else {
- int condition = (PREVCOC1() == boolean);
- /* NOTE: The branch occurs AFTER the next instruction has been executed */
- if (condition) {
- DELAY_SLOT (PC + offset);
- }
- else if (likely) {
- NULLIFY_NEXT_INSTRUCTION ();
- }
+ if (! COP_Usable (1))
+ SignalExceptionCoProcessorUnusable (1);
+}
+
+
+// Helper:
+//
+// Load a double word FP value using 2 32-bit memory cycles a la MIPS II
+// or MIPS32. do_load cannot be used instead because it returns an
+// unsigned_word, which is limited to the size of the machine's registers.
+//
+
+:function:::unsigned64:do_load_double:address_word base, address_word offset
+*mipsII:
+*mips32:
+{
+ int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian);
+ address_word vaddr;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+ unsigned64 v;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ if ((vaddr & AccessLength_DOUBLEWORD) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map,
+ AccessLength_DOUBLEWORD + 1, vaddr, read_transfer,
+ sim_core_unaligned_signal);
}
- }
+ AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET,
+ isREAL);
+ LoadMemory (&memval, NULL, uncached, AccessLength_WORD, paddr, vaddr,
+ isDATA, isREAL);
+ v = (unsigned64)memval;
+ LoadMemory (&memval, NULL, uncached, AccessLength_WORD, paddr + 4, vaddr + 4,
+ isDATA, isREAL);
+ return (bigendian ? ((v << 32) | memval) : (v | (memval << 32)));
}
+// Helper:
//
-// FIXME: This does not correctly differentiate between mips*
+// Store a double word FP value using 2 32-bit memory cycles a la MIPS II
+// or MIPS32. do_load cannot be used instead because it returns an
+// unsigned_word, which is limited to the size of the machine's registers.
//
-010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmt
-"c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
-"c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
+
+:function:::void:do_store_double:address_word base, address_word offset, unsigned64 v
+*mipsII:
+*mips32:
+{
+ int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian);
+ address_word vaddr;
+ address_word paddr;
+ int uncached;
+ unsigned64 memval;
+
+ vaddr = loadstore_ea (SD_, base, offset);
+ if ((vaddr & AccessLength_DOUBLEWORD) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map,
+ AccessLength_DOUBLEWORD + 1, vaddr, write_transfer,
+ sim_core_unaligned_signal);
+ }
+ AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET,
+ isREAL);
+ memval = (bigendian ? (v >> 32) : (v & 0xFFFFFFFF));
+ StoreMemory (uncached, AccessLength_WORD, memval, 0, paddr, vaddr,
+ isREAL);
+ memval = (bigendian ? (v & 0xFFFFFFFF) : (v >> 32));
+ StoreMemory (uncached, AccessLength_WORD, memval, 0, paddr + 4, vaddr + 4,
+ isREAL);
+}
+
+
+010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
+"abs.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int cmpflags = ((instruction >> 0) & 0x0000000F);
- int condition_code = ((instruction >> 8) & 0x00000007);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- if (condition_code != 0)
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, AbsoluteValue (ValueFPR (FS, fmt), fmt));
+}
+
+
+
+010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt
+"add.%s<FMT> f<FD>, f<FS>, f<FT>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, Add (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
+}
+
+
+010011,5.RS,5.FT,5.FS,5.FD,011,110:COP1X:64,f::ALNV.PS
+"alnv.ps f<FD>, f<FS>, f<FT>, r<RS>"
+*mipsV:
+*mips64:
+{
+ unsigned64 fs;
+ unsigned64 ft;
+ unsigned64 fd;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ fs = ValueFPR (FS, fmt_ps);
+ if ((GPR[RS] & 0x3) != 0)
+ Unpredictable ();
+ if ((GPR[RS] & 0x4) == 0)
+ fd = fs;
+ else
+ {
+ ft = ValueFPR (FT, fmt_ps);
+ if (BigEndianCPU)
+ fd = PackPS (PSLower (fs), PSUpper (ft));
+ else
+ fd = PackPS (PSLower (ft), PSUpper (fs));
+ }
+ StoreFPR (FD, fmt_ps, fd);
+}
+
+
+// BC1F
+// BC1FL
+// BC1T
+// BC1TL
+
+010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a
+"bc1%s<TF>%s<ND> <OFFSET>"
+*mipsI:
+*mipsII:
+*mipsIII:
+{
+ check_fpu (SD_);
+ check_branch_bug ();
+ TRACE_BRANCH_INPUT (PREVCOC1());
+ if (PREVCOC1() == TF)
+ {
+ address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
+ TRACE_BRANCH_RESULT (dest);
+ mark_branch_bug (dest);
+ DELAY_SLOT (dest);
+ }
+ else if (ND)
{
- SignalException(ReservedInstruction,instruction);
+ TRACE_BRANCH_RESULT (0);
+ NULLIFY_NEXT_INSTRUCTION ();
}
else
{
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else {
- if (condition_code != 0)
- SignalException(ReservedInstruction,instruction);
- else
- {
- int ignore = 0;
- int less = 0;
- int equal = 0;
- int unordered = 1;
- unsigned64 ofs = ValueFPR(fs,format);
- unsigned64 oft = ValueFPR(ft,format);
- if (NaN(ofs,format) || NaN(oft,format)) {
- if (FCSR & FP_ENABLE(IO)) {
- FCSR |= FP_CAUSE(IO);
- SignalExceptionFPE();
- ignore = 1;
- }
- } else {
- less = Less(ofs,oft,format);
- equal = Equal(ofs,oft,format);
- unordered = 0;
- }
- if (!ignore) {
- int condition = (((cmpflags & (1 << 2)) && less) || ((cmpflags & (1 << 1)) && equal) || ((cmpflags & (1 << 0)) && unordered));
- SETFCC(condition_code,condition);
- }
- }
- }
+ TRACE_BRANCH_RESULT (NIA);
+ }
+}
+
+010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1b
+"bc1%s<TF>%s<ND> <OFFSET>":CC == 0
+"bc1%s<TF>%s<ND> <CC>, <OFFSET>"
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+#*vr4100:
+*vr5000:
+*r3900:
+{
+ check_fpu (SD_);
+ check_branch_bug ();
+ if (GETFCC(CC) == TF)
+ {
+ address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
+ mark_branch_bug (dest);
+ DELAY_SLOT (dest);
+ }
+ else if (ND)
+ {
+ NULLIFY_NEXT_INSTRUCTION ();
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt
+010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32,f::C.cond.fmta
+"c.%s<COND>.%s<FMT> f<FS>, f<FT>"
+*mipsI:
+*mipsII:
+*mipsIII:
+{
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ Compare (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt, COND, 0);
+ TRACE_ALU_RESULT (ValueFCR (31));
+}
+
+010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32,f::C.cond.fmtb
+"c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0
+"c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>"
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ Compare (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt, COND, CC);
+ TRACE_ALU_RESULT (ValueFCR (31));
+}
+
+
+010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64,f::CEIL.L.fmt
"ceil.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_long, Convert (FP_RM_TOPINF, ValueFPR (FS, fmt), fmt,
+ fmt_long));
}
-010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W
+010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32,f::CEIL.W
+"ceil.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_word, Convert (FP_RM_TOPINF, ValueFPR (FS, fmt), fmt,
+ fmt_word));
}
-// CFC1
-// CTC1
-01000100,x,10,kkkkk,vvvvv,00000000000:COP1S:32::CxC1
+010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1a
+"cfc1 r<RT>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
+{
+ check_fpu (SD_);
+ if (FS == 0)
+ PENDING_FILL (RT, EXTEND32 (FCR0));
+ else if (FS == 31)
+ PENDING_FILL (RT, EXTEND32 (FCR31));
+ /* else NOP */
+}
+
+010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1b
+"cfc1 r<RT>, f<FS>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int to = ((instruction >> 23) & 0x00000001);
- {
- if (to) {
- if (fs == 0) {
- PENDING_FILL((fs + FCR0IDX),VL4_8(GPR[ft]));
- } else if (fs == 31) {
- PENDING_FILL((fs + FCR31IDX),VL4_8(GPR[ft]));
- } /* else NOP */
- PENDING_FILL(COCIDX,0); /* special case */
- } else { /* control from */
- if (fs == 0) {
- PENDING_FILL(ft,SIGNEXTEND(FCR0,32));
- } else if (fs == 31) {
- PENDING_FILL(ft,SIGNEXTEND(FCR31,32));
- } /* else NOP */
+ check_fpu (SD_);
+ if (FS == 0 || FS == 31)
+ {
+ unsigned_word fcr = ValueFCR (FS);
+ TRACE_ALU_INPUT1 (fcr);
+ GPR[RT] = fcr;
}
- }
+ /* else NOP */
+ TRACE_ALU_RESULT (GPR[RT]);
+}
+
+010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1c
+"cfc1 r<RT>, f<FS>"
+*mipsV:
+*mips32:
+*mips64:
+{
+ check_fpu (SD_);
+ if (FS == 0 || FS == 25 || FS == 26 || FS == 28 || FS == 31)
+ {
+ unsigned_word fcr = ValueFCR (FS);
+ TRACE_ALU_INPUT1 (fcr);
+ GPR[RT] = fcr;
+ }
+ /* else NOP */
+ TRACE_ALU_RESULT (GPR[RT]);
+}
+
+010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1a
+"ctc1 r<RT>, f<FS>"
+*mipsI:
+*mipsII:
+*mipsIII:
+{
+ check_fpu (SD_);
+ if (FS == 31)
+ PENDING_FILL (FCRCS_REGNUM, VL4_8 (GPR[RT]));
+ /* else NOP */
+}
+
+010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1b
+"ctc1 r<RT>, f<FS>"
+*mipsIV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ check_fpu (SD_);
+ TRACE_ALU_INPUT1 (GPR[RT]);
+ if (FS == 31)
+ StoreFCR (FS, GPR[RT]);
+ /* else NOP */
+}
+
+010001,00110,5.RT,5.FS,00000000000:COP1:32,f::CTC1c
+"ctc1 r<RT>, f<FS>"
+*mipsV:
+*mips32:
+*mips64:
+{
+ check_fpu (SD_);
+ TRACE_ALU_INPUT1 (GPR[RT]);
+ if (FS == 25 || FS == 26 || FS == 28 || FS == 31)
+ StoreFCR (FS, GPR[RT]);
+ /* else NOP */
}
//
// FIXME: Does not correctly differentiate between mips*
//
-010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32,f::CVT.D.fmt
"cvt.d.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format == fmt_double) | 0)
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ if ((fmt == fmt_double) | 0)
+ SignalException (ReservedInstruction, instruction_0);
+ StoreFPR (FD, fmt_double, Convert (GETRM (), ValueFPR (FS, fmt), fmt,
+ fmt_double));
}
-010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64,f::CVT.L.fmt
"cvt.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word)))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ if ((fmt == fmt_long) | ((fmt == fmt_long) || (fmt == fmt_word)))
+ SignalException (ReservedInstruction, instruction_0);
+ StoreFPR (FD, fmt_long, Convert (GETRM (), ValueFPR (FS, fmt), fmt,
+ fmt_long));
+}
+
+
+010001,10,000,5.FT,5.FS,5.FD,100110:COP1:64,f::CVT.PS.S
+"cvt.ps.s f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips64:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_ps, PackPS (ValueFPR (FS, fmt_single),
+ ValueFPR (FT, fmt_single)));
}
//
// FIXME: Does not correctly differentiate between mips*
//
-010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt
+010001,10,3.FMT!6,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.fmt
"cvt.s.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format == fmt_single) | 0)
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ if ((fmt == fmt_single) | 0)
+ SignalException (ReservedInstruction, instruction_0);
+ StoreFPR (FD, fmt_single, Convert (GETRM (), ValueFPR (FS, fmt), fmt,
+ fmt_single));
+}
+
+
+010001,10,110,00000,5.FS,5.FD,101000:COP1:64,f::CVT.S.PL
+"cvt.s.pl f<FD>, f<FS>"
+*mipsV:
+*mips64:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_single, PSLower (ValueFPR (FS, fmt_ps)));
+}
+
+
+010001,10,110,00000,5.FS,5.FD,100000:COP1:64,f::CVT.S.PU
+"cvt.s.pu f<FD>, f<FS>"
+*mipsV:
+*mips64:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_single, PSUpper (ValueFPR (FS, fmt_ps)));
}
-010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt
+010001,10,3.FMT!6,00000,5.FS,5.FD,100100:COP1:32,f::CVT.W.fmt
"cvt.w.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word)))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ if ((fmt == fmt_word) | ((fmt == fmt_long) || (fmt == fmt_word)))
+ SignalException (ReservedInstruction, instruction_0);
+ StoreFPR (FD, fmt_word, Convert (GETRM (), ValueFPR (FS, fmt), fmt,
+ fmt_word));
}
-010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt
+010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32,f::DIV.fmt
"div.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, Divide (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
}
-// DMFC1
-// DMTC1
-01000100,x,01,5.FT,vvvvv,00000000000:COP1S:64::DMxC1
+010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1a
+"dmfc1 r<RT>, f<FS>"
*mipsIII:
+{
+ unsigned64 v;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ if (SizeFGR () == 64)
+ v = FGR[FS];
+ else if ((FS & 0x1) == 0)
+ v = SET64HI (FGR[FS+1]) | FGR[FS];
+ else
+ v = SET64HI (0xDEADC0DE) | 0xBAD0BAD0;
+ PENDING_FILL (RT, v);
+ TRACE_ALU_RESULT (v);
+}
+
+010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1b
+"dmfc1 r<RT>, f<FS>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int to = ((instruction >> 23) & 0x00000001);
- {
- if (to) {
- if (SizeFGR() == 64) {
- PENDING_FILL((fs + FGRIDX),GPR[ft]);
- } else
- if ((fs & 0x1) == 0)
- {
- PENDING_FILL(((fs + 1) + FGRIDX),VH4_8(GPR[ft]));
- PENDING_FILL((fs + FGRIDX),VL4_8(GPR[ft]));
- }
- } else {
- if (SizeFGR() == 64) {
- PENDING_FILL(ft,FGR[fs]);
- } else
- if ((fs & 0x1) == 0) {
- PENDING_FILL(ft,(SET64HI(FGR[fs+1]) | FGR[fs]));
- } else {
- PENDING_FILL(ft,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
- }
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ if (SizeFGR () == 64)
+ GPR[RT] = FGR[FS];
+ else if ((FS & 0x1) == 0)
+ GPR[RT] = SET64HI (FGR[FS+1]) | FGR[FS];
+ else
+ GPR[RT] = SET64HI (0xDEADC0DE) | 0xBAD0BAD0;
+ TRACE_ALU_RESULT (GPR[RT]);
+}
+
+
+010001,00101,5.RT,5.FS,00000000000:COP1:64,f::DMTC1a
+"dmtc1 r<RT>, f<FS>"
+*mipsIII:
+{
+ unsigned64 v;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ if (SizeFGR () == 64)
+ PENDING_FILL ((FS + FGR_BASE), GPR[RT]);
+ else if ((FS & 0x1) == 0)
+ {
+ PENDING_FILL (((FS + 1) + FGR_BASE), VH4_8 (GPR[RT]));
+ PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT]));
}
- }
+ else
+ Unpredictable ();
+ TRACE_FP_RESULT (GPR[RT]);
+}
+
+010001,00101,5.RT,5.FS,00000000000:COP1:64,f::DMTC1b
+"dmtc1 r<RT>, f<FS>"
+*mipsIV:
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ if (SizeFGR () == 64)
+ StoreFPR (FS, fmt_uninterpreted_64, GPR[RT]);
+ else if ((FS & 0x1) == 0)
+ StoreFPR (FS, fmt_uninterpreted_64, GPR[RT]);
+ else
+ Unpredictable ();
}
-010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64,f::FLOOR.L.fmt
"floor.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_long, Convert (FP_RM_TOMINF, ValueFPR (FS, fmt), fmt,
+ fmt_long));
}
-010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32,f::FLOOR.W.fmt
"floor.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_word, Convert (FP_RM_TOMINF, ValueFPR (FS, fmt), fmt,
+ fmt_word));
}
-// LDC1
-110101,5.BASE,5.FT,16.OFFSET:COP1:32::LDC1
+110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1a
+"ldc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsII:
+*mips32:
+{
+ check_fpu (SD_);
+ COP_LD (1, FT, do_load_double (SD_, GPR[BASE], EXTEND16 (OFFSET)));
+}
-010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1
-"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
+110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1b
+"ldc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + op2);
- address_word paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL);
- COP_LD(1,destreg,memval);;
- }
- }
- }
+ check_fpu (SD_);
+ COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
-// LWC1
-110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1
+010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64,f::LDXC1
+"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*mipsV:
+*mips64:
+*vr5000:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ COP_LD (1, FD, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX]));
+}
-010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32::LWXC1
-"lwxc1 f<FD>, r<INDEX>(r<BASE>)"
+
+110001,5.BASE,5.FT,16.OFFSET:COP1:32,f::LWC1
+"lwc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsI:
+*mipsII:
+*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + op2);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- SignalExceptionAddressLoad();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- unsigned64 mask = 0x7;
- unsigned int shift = 2;
- unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0);
- unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0);
- unsigned int byte;
- paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift)));
- LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL);
- byte = ((vaddr & mask) ^ (bigend << shift));
- COP_LW(1,destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF));
- }
- }
- }
+ check_fpu (SD_);
+ COP_LW (1, FT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
}
-
-//
-// FIXME: Not correct for mips*
-//
-010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32::MADD.D
-"madd.d f<FD>, f<FR>, f<FS>, f<FT>"
+010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:64,f::LWXC1
+"lwxc1 f<FD>, r<INDEX>(r<BASE>)"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double));
- }
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ COP_LW (1, FD, do_load (SD_, AccessLength_WORD, GPR[BASE], GPR[INDEX]));
}
-010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32::MADD.S
-"madd.s f<FD>, f<FR>, f<FS>, f<FT>"
+
+010011,5.FR,5.FT,5.FS,5.FD,100,3.FMT:COP1X:64,f::MADD.fmt
+"madd.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, MultiplyAdd (ValueFPR (FS, fmt), ValueFPR (FT, fmt),
+ ValueFPR (FR, fmt), fmt));
}
-// MFC1
-010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1
-"m<X>c1 r<RT>, f<FS>"
+010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1a
+"mfc1 r<RT>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
+{
+ unsigned64 v;
+ check_fpu (SD_);
+ v = EXTEND32 (FGR[FS]);
+ PENDING_FILL (RT, v);
+ TRACE_ALU_RESULT (v);
+}
+
+010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1b
+"mfc1 r<RT>, f<FS>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
-{
- unsigned32 instruction = instruction_0;
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int to = ((instruction >> 23) & 0x00000001);
- {
- if (to) {
- if (SizeFGR() == 64) {
- PENDING_FILL ((fs + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[ft])));
- } else {
- PENDING_FILL ((fs + FGRIDX), VL4_8(GPR[ft]));
- }
- } else {
- PENDING_FILL (ft, SIGNEXTEND(FGR[fs],32));
- }
- }
+{
+ check_fpu (SD_);
+ GPR[RT] = EXTEND32 (FGR[FS]);
+ TRACE_ALU_RESULT (GPR[RT]);
}
-010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32,f::MOV.fmt
"mov.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- StoreFPR(destreg,format,ValueFPR(fs,format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, ValueFPR (FS, fmt));
}
// MOVF
-000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf
+// MOVT
+000000,5.RS,3.CC,0,1.TF,5.RD,00000,000001:SPECIAL:32,f::MOVtf
"mov%s<TF> r<RD>, r<RS>, <CC>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
{
+ check_fpu (SD_);
if (GETFCC(CC) == TF)
GPR[RD] = GPR[RS];
}
// MOVF.fmt
-010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt
+// MOVT.fmt
+010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32,f::MOVtf.fmt
"mov%s<TF>.%s<FMT> f<FD>, f<FS>, <CC>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int format = ((instruction >> 21) & 0x00000007);
- {
- if (GETFCC(CC) == TF)
- StoreFPR (FD, format, ValueFPR (FS, format));
- else
- StoreFPR (FD, format, ValueFPR (FD, format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ if (fmt != fmt_ps)
+ {
+ if (GETFCC(CC) == TF)
+ StoreFPR (FD, fmt, ValueFPR (FS, fmt));
+ else
+ StoreFPR (FD, fmt, ValueFPR (FD, fmt)); /* set fmt */
+ }
+ else
+ {
+ unsigned64 fd;
+ fd = PackPS (PSUpper (ValueFPR ((GETFCC (CC+1) == TF) ? FS : FD,
+ fmt_ps)),
+ PSLower (ValueFPR ((GETFCC (CC+0) == TF) ? FS : FD,
+ fmt_ps)));
+ StoreFPR (FD, fmt_ps, fd);
+ }
}
-010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
+010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32,f::MOVN.fmt
+"movn.%s<FMT> f<FD>, f<FS>, r<RT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- StoreFPR(destreg,format,ValueFPR(fs,format));
- }
+ check_fpu (SD_);
+ if (GPR[RT] != 0)
+ StoreFPR (FD, FMT, ValueFPR (FS, FMT));
+ else
+ StoreFPR (FD, FMT, ValueFPR (FD, FMT));
}
-010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt
+010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32,f::MOVZ.fmt
"movz.%s<FMT> f<FD>, f<FS>, r<RT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- StoreFPR(destreg,format,ValueFPR(fs,format));
- }
+ check_fpu (SD_);
+ if (GPR[RT] == 0)
+ StoreFPR (FD, FMT, ValueFPR (FS, FMT));
+ else
+ StoreFPR (FD, FMT, ValueFPR (FD, FMT));
}
-// MSUB.fmt
-010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32::MSUB.D
-"msub.d f<FD>, f<FR>, f<FS>, f<FT>"
+010011,5.FR,5.FT,5.FS,5.FD,101,3.FMT:COP1X:64,f::MSUB.fmt
+"msub.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, MultiplySub (ValueFPR (FS, fmt), ValueFPR (FT, fmt),
+ ValueFPR (FR, fmt), fmt));
}
-// MSUB.fmt
-010011,5.FR,5.FT,5.FS,5.FD,101000:COP1X:32::MSUB.S
-"msub.s f<FD>, f<FR>, f<FS>, f<FT>"
+010001,00100,5.RT,5.FS,00000000000:COP1:32,f::MTC1a
+"mtc1 r<RT>, f<FS>"
+*mipsI:
+*mipsII:
+*mipsIII:
+{
+ check_fpu (SD_);
+ if (SizeFGR () == 64)
+ PENDING_FILL ((FS + FGR_BASE), (SET64HI (0xDEADC0DE) | VL4_8 (GPR[RT])));
+ else
+ PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT]));
+ TRACE_FP_RESULT (GPR[RT]);
+}
+
+010001,00100,5.RT,5.FS,00000000000:COP1:32,f::MTC1b
+"mtc1 r<RT>, f<FS>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
- }
+ check_fpu (SD_);
+ StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT]));
}
-// MTC1 see MxC1
-
-
-010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt
+010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32,f::MUL.fmt
"mul.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, Multiply (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
}
-010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32,f::NEG.fmt
"neg.%s<FMT> f<FD>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, Negate (ValueFPR (FS, fmt), fmt));
}
-// NMADD.fmt
-010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32::NMADD.D
-"nmadd.d f<FD>, f<FR>, f<FS>, f<FT>"
+010011,5.FR,5.FT,5.FS,5.FD,110,3.FMT:COP1X:64,f::NMADD.fmt
+"nmadd.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, NegMultiplyAdd (ValueFPR (FS, fmt), ValueFPR (FT, fmt),
+ ValueFPR (FR, fmt), fmt));
}
-// NMADD.fmt
-010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32::NMADD.S
-"nmadd.s f<FD>, f<FR>, f<FS>, f<FT>"
+010011,5.FR,5.FT,5.FS,5.FD,111,3.FMT:COP1X:64,f::NMSUB.fmt
+"nmsub.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, NegMultiplySub (ValueFPR (FS, fmt), ValueFPR (FT, fmt),
+ ValueFPR (FR, fmt), fmt));
}
-// NMSUB.fmt
-010011,5.FR,5.FT,5.FS,5.FD,111001:COP1X:32::NMSUB.D
-"nmsub.d f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+010001,10,110,5.FT,5.FS,5.FD,101100:COP1:64,f::PLL.PS
+"pll.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips64:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double));
- }
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_ps, PackPS (PSLower (ValueFPR (FS, fmt_ps)),
+ PSLower (ValueFPR (FT, fmt_ps))));
}
-// NMSUB.fmt
-010011,5.FR,5.FT,5.FS,5.FD,111000:COP1X:32::NMSUB.S
-"nmsub.s f<FD>, f<FR>, f<FS>, f<FT>"
-*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+010001,10,110,5.FT,5.FS,5.FD,101101:COP1:64,f::PLU.PS
+"plu.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips64:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int fr = ((instruction >> 21) & 0x0000001F);
- {
- StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single));
- }
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_ps, PackPS (PSLower (ValueFPR (FS, fmt_ps)),
+ PSUpper (ValueFPR (FT, fmt_ps))));
}
-010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX
+010011,5.BASE,5.INDEX,5.HINT,00000,001111:COP1X:64::PREFX
"prefx <HINT>, r<INDEX>(r<BASE>)"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int fs = ((instruction >> 11) & 0x0000001F);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word index = GPR[INDEX];
{
- address_word vaddr = ((unsigned64)op1 + (unsigned64)op2);
+ address_word vaddr = loadstore_ea (SD_, base, index);
address_word paddr;
int uncached;
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- Prefetch(uncached,paddr,vaddr,isDATA,fs);
+ Prefetch(uncached,paddr,vaddr,isDATA,HINT);
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt
-*mipsIV:
+
+010001,10,110,5.FT,5.FS,5.FD,101110:COP1:64,f::PUL.PS
+"pul.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips64:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_ps, PackPS (PSUpper (ValueFPR (FS, fmt_ps)),
+ PSLower (ValueFPR (FT, fmt_ps))));
+}
+
+
+010001,10,110,5.FT,5.FS,5.FD,101111:COP1:64,f::PUU.PS
+"puu.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips64:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (FD, fmt_ps, PackPS (PSUpper (ValueFPR (FS, fmt_ps)),
+ PSUpper (ValueFPR (FT, fmt_ps))));
+}
+
+
+010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32,f::RECIP.fmt
"recip.%s<FMT> f<FD>, f<FS>"
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+*mipsIV:
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, Recip (ValueFPR (FS, fmt), fmt));
}
-010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64,f::ROUND.L.fmt
"round.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_long, Convert (FP_RM_NEAREST, ValueFPR (FS, fmt), fmt,
+ fmt_long));
}
-010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32,f::ROUND.W.fmt
"round.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_word, Convert (FP_RM_NEAREST, ValueFPR (FS, fmt), fmt,
+ fmt_word));
}
-010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt
-*mipsIV:
+010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32,f::RSQRT.fmt
"rsqrt.%s<FMT> f<FD>, f<FS>"
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
+*mipsIV:
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format),format));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, RSquareRoot (ValueFPR (FS, fmt), fmt));
}
-// SDC1
+111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1a
+"sdc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsII:
+*mips32:
+{
+ check_fpu (SD_);
+ do_store_double (SD_, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT));
+}
-010011,5.RS,5.RT,vvvvv,00000001001:COP1X:64::SDXC1
+111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1b
+"sdc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
{
- unsigned32 instruction = instruction_0;
- int fs = ((instruction >> 11) & 0x0000001F);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((unsigned64)op1 + op2);
- address_word paddr;
- int uncached;
- if ((vaddr & 7) != 0)
- SignalExceptionAddressStore();
- else
- {
- if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
- {
- unsigned64 memval = 0;
- unsigned64 memval1 = 0;
- memval = (unsigned64)COP_SD(1,fs);
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ check_fpu (SD_);
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT));
}
-010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32::SQRT.fmt
+010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64,f::SDXC1
+"sdxc1 f<FS>, r<INDEX>(r<BASE>)"
+*mipsIV:
+*mipsV:
+*mips64:
+*vr5000:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX], COP_SD (1, FS));
+}
+
+
+010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32,f::SQRT.fmt
"sqrt.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format)));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, (SquareRoot (ValueFPR (FS, fmt), fmt)));
}
-010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt
+010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32,f::SUB.fmt
"sub.%s<FMT> f<FD>, f<FS>, f<FT>"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int ft = ((instruction >> 16) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt, Sub (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
+}
+
+
+
+111001,5.BASE,5.FT,16.OFFSET:COP1:32,f::SWC1
+"swc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
+ check_fpu (SD_);
{
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr;
+ int uncached;
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
- StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format));
+ {
+ if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
+ {
+ uword64 memval = 0;
+ uword64 memval1 = 0;
+ uword64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ address_word reverseendian = (ReverseEndian ?(mask ^ AccessLength_WORD): 0);
+ address_word bigendiancpu = (BigEndianCPU ?(mask ^ AccessLength_WORD): 0);
+ unsigned int byte;
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ byte = ((vaddr & mask) ^ bigendiancpu);
+ memval = (((uword64)COP_SW(((instruction_0 >> 26) & 0x3),FT)) << (8 * byte));
+ StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
+ }
+ }
}
}
-// SWC1
-
-
-010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32::SWXC1
+010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32,f::SWXC1
"swxc1 f<FS>, r<INDEX>(r<BASE>)"
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr5000:
{
- unsigned32 instruction = instruction_0;
- int fs = ((instruction >> 11) & 0x0000001F);
- signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+
+ address_word base = GPR[BASE];
+ address_word index = GPR[INDEX];
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
{
- address_word vaddr = ((unsigned64)op1 + op2);
+ address_word vaddr = loadstore_ea (SD_, base, index);
address_word paddr;
int uncached;
if ((vaddr & 3) != 0)
- SignalExceptionAddressStore();
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal);
+ }
else
{
if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL))
unsigned int byte;
paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2)));
byte = ((vaddr & mask) ^ (BigEndianCPU << 2));
- memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte));
+ memval = (((unsigned64)COP_SW(1,FS)) << (8 * byte));
{
StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt
+010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64,f::TRUNC.L.fmt
"trunc.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_long, Convert (FP_RM_TOZERO, ValueFPR (FS, fmt), fmt,
+ fmt_long));
}
-010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W
+010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32,f::TRUNC.W
"trunc.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- int destreg = ((instruction >> 6) & 0x0000001F);
- int fs = ((instruction >> 11) & 0x0000001F);
- int format = ((instruction >> 21) & 0x00000007);
- {
- if ((format != fmt_single) && (format != fmt_double))
- SignalException(ReservedInstruction,instruction);
- else
- StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word));
- }
+ int fmt = FMT;
+ check_fpu (SD_);
+ check_fmt (SD_, fmt, instruction_0);
+ StoreFPR (FD, fmt_word, Convert (FP_RM_TOZERO, ValueFPR (FS, fmt), fmt,
+ fmt_word));
}
\f
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+
+010000,01000,00000,16.OFFSET:COP0:32::BC0F
+"bc0f <OFFSET>"
+// stub needed for eCos as tx39 hardware bug workaround
+*r3900:
+{
+ /* do nothing */
+}
010000,01000,00010,16.OFFSET:COP0:32::BC0FL
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
010000,01000,00001,16.OFFSET:COP0:32::BC0T
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
010000,01000,00011,16.OFFSET:COP0:32::BC0TL
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
+"cache <OP>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
*r3900:
-// start-sanitize-tx19
-*tx19:
-// end-sanitize-tx19
{
- unsigned32 instruction = instruction_0;
- signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
- int hint = ((instruction >> 16) & 0x0000001F);
- signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
+ address_word base = GPR[BASE];
+ address_word offset = EXTEND16 (OFFSET);
{
- address_word vaddr = (op1 + offset);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
address_word paddr;
int uncached;
if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- CacheOp(hint,vaddr,paddr,instruction);
+ CacheOp(OP,vaddr,paddr,instruction_0);
}
}
-010000,10000,000000000000000,111001:COP0:32::DI
+010000,1,0000000000000000000,111001:COP0:32::DI
"di"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*vr4100:
+*vr5000:
+
+
+010000,00001,5.RT,5.RD,00000000000:COP0:64::DMFC0
+"dmfc0 r<RT>, r<RD>"
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips64:
+{
+ check_u64 (SD_, instruction_0);
+ DecodeCoproc (instruction_0);
+}
+
+
+010000,00101,5.RT,5.RD,00000000000:COP0:64::DMTC0
+"dmtc0 r<RT>, r<RD>"
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips64:
+{
+ check_u64 (SD_, instruction_0);
+ DecodeCoproc (instruction_0);
+}
-010000,10000,000000000000000,111000:COP0:32::EI
+010000,1,0000000000000000000,111000:COP0:32::EI
"ei"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips64:
+*vr4100:
+*vr5000:
-010000,10000,000000000000000,011000:COP0:32::ERET
+010000,1,0000000000000000000,011000:COP0:32::ERET
"eret"
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+{
+ if (SR & status_ERL)
+ {
+ /* Oops, not yet available */
+ sim_io_printf (SD, "Warning: ERET when SR[ERL] set not supported");
+ NIA = EPC;
+ SR &= ~status_ERL;
+ }
+ else
+ {
+ NIA = EPC;
+ SR &= ~status_EXL;
+ }
+}
010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
-
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ TRACE_ALU_INPUT0 ();
+ DecodeCoproc (instruction_0);
+ TRACE_ALU_RESULT (GPR[RT]);
+}
010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0
"mtc0 r<RT>, r<RD> # <REGX>"
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ DecodeCoproc (instruction_0);
+}
+
+
+010000,1,0000000000000000000,010000:COP0:32::RFE
+"rfe"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ DecodeCoproc (instruction_0);
+}
+
+
+0100,ZZ!0!1!3,5.COP_FUN0!8,5.COP_FUN1,16.COP_FUN2:NORMAL:32::COPz
+"cop<ZZ> <COP_FUN0><COP_FUN1><COP_FUN2>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*r3900:
+{
+ DecodeCoproc (instruction_0);
+}
+
-010000,10000,000000000000000,001000:COP0:32::TLBP
+010000,1,0000000000000000000,001000:COP0:32::TLBP
"tlbp"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
-010000,10000,000000000000000,000001:COP0:32::TLBR
+010000,1,0000000000000000000,000001:COP0:32::TLBR
"tlbr"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
-010000,10000,000000000000000,000010:COP0:32::TLBWI
+010000,1,0000000000000000000,000010:COP0:32::TLBWI
"tlbwi"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
-010000,10000,000000000000000,000110:COP0:32::TLBWR
+010000,1,0000000000000000000,000110:COP0:32::TLBWR
"tlbwr"
*mipsI:
*mipsII:
*mipsIII:
*mipsIV:
-// start-sanitize-vr5400
-*vr5400:
-// end-sanitize-vr5400
-// start-sanitize-r5900
-*r5900:
-// end-sanitize-r5900
+*mipsV:
+*mips32:
+*mips64:
+*vr4100:
+*vr5000:
\f
:include:::m16.igen
-// start-sanitize-vr5400
-:include::vr5400:vr5400.igen
-// end-sanitize-vr5400
-// start-sanitize-r5900
-:include::r5900:r5900.igen
-// end-sanitize-r5900
+:include:::mdmx.igen
+:include:::mips3d.igen
+:include:::sb1.igen
+:include:::tx.igen
+:include:::vr.igen
\f
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this instruction?
-// 111011,5.RS,5.RT,16.OFFSET:NORMAL:32::<INT>
-// *mipsI:
-// *mipsII:
-// *mipsIII:
-// *mipsIV:
-// // start-sanitize-r5900
-// *r5900:
-// // end-sanitize-r5900
-// *r3900:
-// // start-sanitize-tx19
-// *tx19:
-// // end-sanitize-tx19
-// {
-// unsigned32 instruction = instruction_0;
-// signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16);
-// signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
-// signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
-// {
-// if (CoProcPresent(3))
-// SignalException(CoProcessorUnusable);
-// else
-// SignalException(ReservedInstruction,instruction);
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this?
-// 11100,******,00001:RR:16::SDBBP
-// *mips16:
-// {
-// unsigned32 instruction = instruction_0;
-// if (have_extendval)
-// SignalException (ReservedInstruction, instruction);
-// {
-// SignalException(DebugBreakPoint,instruction);
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME What is this?
-// 000000,********************,001110:SPECIAL:32::SDBBP
-// *r3900:
-// {
-// unsigned32 instruction = instruction_0;
-// {
-// SignalException(DebugBreakPoint,instruction);
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME This apparently belongs to the vr4100 which
-// // isn't yet reconized by this simulator.
-// 000000,5.RS,5.RT,0000000000101000:SPECIAL:32::MADD16
-// *vr4100:
-// {
-// unsigned32 instruction = instruction_0;
-// signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
-// signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
-// {
-// CHECKHILO("Multiply-Add");
-// {
-// unsigned64 temp = (op1 * op2);
-// temp += (SET64HI(VL4_8(HI)) | VL4_8(LO));
-// LO = SIGNEXTEND((unsigned64)VL4_8(temp),32);
-// HI = SIGNEXTEND((unsigned64)VH4_8(temp),32);
-// }
-// }
-// }
-
-// end-sanitize-cygnus-never
-// start-sanitize-cygnus-never
-
-// // FIXME FIXME FIXME This apparently belongs to the vr4100 which
-// // isn't yet reconized by this simulator.
-// 000000,5.RS,5.RT,0000000000101001:SPECIAL:64::DMADD16
-// *vr4100:
-// {
-// unsigned32 instruction = instruction_0;
-// signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)];
-// signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)];
-// {
-// CHECKHILO("Multiply-Add");
-// {
-// unsigned64 temp = (op1 * op2);
-// LO = LO + temp;
-// }
-// }
-// }
-
-// start-sanitize-cygnus-never