// -*- C -*-
//
-// In mips.igen, the semantics for many of the instructions were created
-// using code generated by gencode. Those semantic segments could be
-// greatly simplified.
-//
// <insn> ::=
// <insn-word> { "+" <insn-word> }
// ":" <format-name>
// :option:::multi-sim:true
-// Models known by this simulator
+// 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:::mips16:mips16:
-:model:::r3900:mips3900:
-:model:::vr4100:mips4100:
+:model:::mipsV:mipsisaV:
+:model:::mips32:mipsisa32:
+:model:::mips32r2:mipsisa32r2:
+:model:::mips64:mipsisa64:
+:model:::mips64r2:mipsisa64r2:
+
+// 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:::vr4120:mips4120:
:model:::vr5000:mips5000:
+:model:::vr5400:mips5400:
+:model:::vr5500:mips5500:
+: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:::mips16e:mips16e: // m16e.igen
+:model:::mips3d:mips3d: // mips3d.igen
+:model:::mdmx:mdmx: // mdmx.igen
+:model:::dsp:dsp: // dsp.igen
+:model:::dsp2:dsp2: // dsp2.igen
+:model:::smartmips:smartmips: // smartmips.igen
+:model:::micromips32:micromips64: // micromips.igen
+:model:::micromips64:micromips64: // micromips.igen
+:model:::micromipsdsp:micromipsdsp: // micromipsdsp.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
// Pseudo instructions known by interp.c
// For grep - RSVD_INSTRUCTION, RSVD_INSTRUCTION_MASK
-000000,5.*,5.*,5.*,5.OP,000101:SPECIAL:32::RSVD
+000000,5.*,5.*,5.*,5.OP,111001:SPECIAL:32::RSVD
"rsvd <OP>"
{
SignalException (ReservedInstruction, instruction_0);
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:
+*mips32r2:
+*vr4100:
+*vr5000:
+*r3900:
+*micromips32:
+{
+ return base + offset;
+}
+
+:function:::address_word:loadstore_ea:address_word base, address_word offset
+*mips64:
+*mips64r2:
+*micromips64:
+{
+#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:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*micromips32:
+*micromips64:
+{
+#if WITH_TARGET_WORD_BITSIZE == 64
+ return value != (((value & 0xffffffff) ^ 0x80000000) - 0x80000000);
+#else
+ return 0;
+#endif
+}
+
// 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:
+*mips32r2:
+*mips64:
+*mips64r2:
+*micromips32:
+*micromips64:
+{
+ unpredictable_action (CPU, CIA);
+}
+
+
+// Helpers:
+//
// Check that an access to a HI/LO register meets timing requirements
//
-// The following requirements exist:
+// In all MIPS ISAs,
+//
+// OP {HI and LO} followed by MT{LO or HI} (and not MT{HI or LO})
+// makes subsequent MF{HI or LO} UNPREDICTABLE. (1)
+//
+// The following restrictions exist for MIPS I - MIPS III:
+//
+// MF{HI or LO} followed by MT{HI or LO} w/ less than 2 instructions
+// in between makes MF UNPREDICTABLE. (2)
+//
+// MF{HI or LO} followed by OP {HI and LO} w/ less than 2 instructions
+// in between makes MF UNPREDICTABLE. (3)
+//
+// On the r3900, restriction (2) is not present, and restriction (3) is not
+// present for multiplication.
//
-// - 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}.
+// Unfortunately, there seems to be some confusion about whether the last
+// two restrictions should apply to "MIPS IV" as well. One edition of
+// the MIPS IV ISA says they do, but references in later ISA documents
+// suggest they don't.
//
+// In reality, some MIPS IV parts, such as the VR5000 and VR5400, do have
+// these restrictions, while others, like the VR5500, don't. To accomodate
+// such differences, the MIPS IV and MIPS V version of these helper functions
+// use auxillary routines to determine whether the restriction applies.
+// check_mf_cycles:
+//
+// Helper used by check_mt_hilo, check_mult_hilo, and check_div_hilo
+// to check for restrictions (2) and (3) above.
+//
: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);
+ (long) history->mf.cia);
return 0;
}
return 1;
}
+
+// check_mt_hilo:
+//
+// Check for restriction (2) above (for ISAs/processors that have it),
+// and record timestamps for restriction (1) above.
+//
:function:::int:check_mt_hilo:hilo_history *history
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
*vr4100:
*vr5000:
{
}
:function:::int:check_mt_hilo:hilo_history *history
+*mipsIV:
+*mipsV:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (! MIPS_MACH_HAS_MT_HILO_HAZARD (SD)
+ || 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:
+*mips32r2:
+*mips64:
+*mips64r2:
*r3900:
+*micromips32:
+*micromips64:
{
signed64 time = sim_events_time (SD);
history->mt.timestamp = time;
}
+// check_mf_hilo:
+//
+// Check for restriction (1) above, and record timestamps for
+// restriction (2) and (3) above.
+//
:function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
+*micromips32:
+*micromips64:
{
signed64 time = sim_events_time (SD);
int ok = 1;
itable[MY_INDEX].name,
(long) CIA,
(long) history->op.cia,
- (long) peer->mt.cia);
+ (long) peer->mt.cia);
ok = 0;
}
history->mf.timestamp = time;
+// check_mult_hilo:
+//
+// Check for restriction (3) above (for ISAs/processors that have it)
+// for MULT ops, and record timestamps for restriction (1) above.
+//
:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
*vr4100:
*vr5000:
{
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
+*mipsIV:
+*mipsV:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (! MIPS_MACH_HAS_MULT_HILO_HAZARD (SD)
+ || (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;
+}
+
+:function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*r3900:
+*micromips32:
+*micromips64:
{
/* FIXME: could record the fact that a stall occured if we want */
signed64 time = sim_events_time (SD);
}
+// check_div_hilo:
+//
+// Check for restriction (3) above (for ISAs/processors that have it)
+// for DIV ops, and record timestamps for restriction (1) above.
+//
:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
*vr4100:
*vr5000:
*r3900:
return ok;
}
+:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
+*mipsIV:
+*mipsV:
+{
+ signed64 time = sim_events_time (SD);
+ int ok = (! MIPS_MACH_HAS_DIV_HILO_HAZARD (SD)
+ || (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;
+}
+
+:function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*micromips32:
+*micromips64:
+{
+ signed64 time = sim_events_time (SD);
+ hi->op.timestamp = time;
+ lo->op.timestamp = time;
+ hi->op.cia = CIA;
+ lo->op.cia = CIA;
+ return 1;
+}
+
+
+// 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:
+*vr5400:
+*vr5500:
+*r3900:
+{
+ // The check should be similar to mips64 for any with PX/UX bit equivalents.
+}
+:function:::void:check_u64:instruction_word insn
+*mips16e:
+*mips64:
+*mips64r2:
+*mips32:
+*mips32r2:
+*micromips64:
+*micromips32:
+{
+#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:
+// MIPS Architecture:
//
-// CPU Instruction Set (mipsI - mipsIV)
+// CPU Instruction Set (mipsI - mipsV, mips32/r2, mips64/r2)
//
+:function:::void:do_add:int rs, int rt, int 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]);
+}
+
+:function:::void:do_addi:int rs, int rt, unsigned16 immediate
+{
+ 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_andi:int rs, int rt, unsigned int immediate
+{
+ TRACE_ALU_INPUT2 (GPR[rs], immediate);
+ GPR[rt] = GPR[rs] & immediate;
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
+:function:::void:do_dadd:int rd, int rs, int rt
+{
+ 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]);
+}
+
+:function:::void:do_daddi:int rt, int rs, int immediate
+{
+ 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_dsll32:int rd, int rt, int shift
+{
+ int s = 32 + shift;
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = GPR[rt] << s;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+:function:::void:do_dsra32:int rd, int rt, int shift
+{
+ int s = 32 + shift;
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = ((signed64) GPR[rt]) >> s;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+:function:::void:do_dsrl32:int rd, int rt, int shift
+{
+ int s = 32 + shift;
+ TRACE_ALU_INPUT2 (GPR[rt], s);
+ GPR[rd] = (unsigned64) GPR[rt] >> s;
+ TRACE_ALU_RESULT (GPR[rd]);
+}
+
+:function:::void:do_dsub:int rd, int rs, int rt
+{
+ 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]);
+}
+
+:function:::void:do_break:address_word 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);
+ }
+}
+
+:function:::void:do_break16:address_word instruction_0
+{
+ if (STATE & simDELAYSLOT)
+ PC = cia - 2; /* reference the branch instruction */
+ else
+ PC = cia;
+ SignalException (BreakPoint, instruction_0);
+}
+
+:function:::void:do_clo:int rd, int rs
+{
+ unsigned32 temp = GPR[rs];
+ unsigned32 i, mask;
+ 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]);
+}
+
+:function:::void:do_clz:int rd, int rs
+{
+ unsigned32 temp = GPR[rs];
+ unsigned32 i, mask;
+ 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]);
+}
+
+:function:::void:do_dclo:int rd, int rs
+{
+ unsigned64 temp = GPR[rs];
+ unsigned32 i;
+ unsigned64 mask;
+ 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_dclz:int rd, int rs
+{
+ unsigned64 temp = GPR[rs];
+ unsigned32 i;
+ unsigned64 mask;
+ 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_lb:int rt, int offset, int base
+{
+ GPR[rt] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[base],
+ EXTEND16 (offset)));
+}
+
+:function:::void:do_lh:int rt, int offset, int base
+{
+ GPR[rt] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[base],
+ EXTEND16 (offset)));
+}
+
+:function:::void:do_lwr:int rt, int offset, int base
+{
+ GPR[rt] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[base],
+ EXTEND16 (offset), GPR[rt]));
+}
+
+:function:::void:do_lwl:int rt, int offset, int base
+{
+ GPR[rt] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[base],
+ EXTEND16 (offset), GPR[rt]));
+}
+
+:function:::void:do_lwc:int num, int rt, int offset, int base
+{
+ COP_LW (num, rt, do_load (SD_, AccessLength_WORD, GPR[base],
+ EXTEND16 (offset)));
+}
+
+:function:::void:do_lw:int rt, int offset, int base
+{
+ GPR[rt] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[base],
+ EXTEND16 (offset)));
+}
+
+:function:::void:do_lwu:int rt, int offset, int base, address_word instruction_0
+{
+ check_u64 (SD_, instruction_0);
+ GPR[rt] = do_load (SD_, AccessLength_WORD, GPR[base], EXTEND16 (offset));
+}
+
+:function:::void:do_lhu:int rt, int offset, int base
+{
+ GPR[rt] = do_load (SD_, AccessLength_HALFWORD, GPR[base], EXTEND16 (offset));
+}
+
+:function:::void:do_ldc:int num, int rt, int offset, int base
+{
+ COP_LD (num, rt, do_load (SD_, AccessLength_DOUBLEWORD, GPR[base],
+ EXTEND16 (offset)));
+}
+
+:function:::void:do_lbu:int rt, int offset, int base
+{
+ GPR[rt] = do_load (SD_, AccessLength_BYTE, GPR[base], EXTEND16 (offset));
+}
+
+:function:::void:do_ll:int rt, int insn_offset, int basereg
+{
+ address_word base = GPR[basereg];
+ address_word offset = EXTEND16 (insn_offset);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer,
+ sim_core_unaligned_signal);
+ }
+ else
+ {
+ unsigned64 memval = 0;
+ unsigned64 memval1 = 0;
+ unsigned64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3);
+ 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, AccessLength_WORD, paddr, vaddr,
+ isDATA, isREAL);
+ byte = ((vaddr & mask) ^ (bigend << shift));
+ GPR[rt] = EXTEND32 (memval >> (8 * byte));
+ LLBIT = 1;
+ }
+ }
+}
+
+:function:::void:do_lld:int rt, int roffset, int rbase
+{
+ address_word base = GPR[rbase];
+ address_word offset = EXTEND16 (roffset);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+
+ if ((vaddr & 7) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer,
+ sim_core_unaligned_signal);
+ }
+ else
+ {
+ unsigned64 memval = 0;
+ unsigned64 memval1 = 0;
+ LoadMemory (&memval, &memval1, AccessLength_DOUBLEWORD, paddr, vaddr,
+ isDATA, isREAL);
+ GPR[rt] = memval;
+ LLBIT = 1;
+ }
+ }
+}
+
+:function:::void:do_lui:int rt, int immediate
+{
+ TRACE_ALU_INPUT1 (immediate);
+ GPR[rt] = EXTEND32 (immediate << 16);
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
+:function:::void:do_madd:int rs, int rt
+{
+ 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);
+}
+
+:function:::void:do_dsp_madd:int ac, int rs, int rt
+{
+ signed64 temp;
+ if (ac == 0)
+ 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 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
+ + ((signed64) EXTEND32 (GPR[rt]) * (signed64) EXTEND32 (GPR[rs])));
+ DSPLO(ac) = EXTEND32 (temp);
+ DSPHI(ac) = EXTEND32 (VH4_8 (temp));
+ if (ac == 0)
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_maddu:int rs, int rt
+{
+ 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])));
+ ACX += U8_4 (VL4_8 (HI), VL4_8 (LO)) < temp; /* SmartMIPS */
+ LO = EXTEND32 (temp);
+ HI = EXTEND32 (VH4_8 (temp));
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_dsp_maddu:int ac, int rs, int rt
+{
+ unsigned64 temp;
+ if (ac == 0)
+ 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 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
+ + ((unsigned64) VL4_8 (GPR[rs]) * (unsigned64) VL4_8 (GPR[rt])));
+ if (ac == 0)
+ ACX += U8_4 (VL4_8 (HI), VL4_8 (LO)) < temp; /* SmartMIPS */
+ DSPLO(ac) = EXTEND32 (temp);
+ DSPHI(ac) = EXTEND32 (VH4_8 (temp));
+ if (ac == 0)
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_dsp_mfhi:int ac, int rd
+{
+ if (ac == 0)
+ do_mfhi (SD_, rd);
+ else
+ GPR[rd] = DSPHI(ac);
+}
+
+:function:::void:do_dsp_mflo:int ac, int rd
+{
+ if (ac == 0)
+ do_mflo (SD_, rd);
+ else
+ GPR[rd] = DSPLO(ac);
+}
+
+:function:::void:do_movn:int rd, int rs, int rt
+{
+ if (GPR[rt] != 0)
+ {
+ GPR[rd] = GPR[rs];
+ TRACE_ALU_RESULT (GPR[rd]);
+ }
+}
+
+:function:::void:do_movz:int rd, int rs, int rt
+{
+ if (GPR[rt] == 0)
+ {
+ GPR[rd] = GPR[rs];
+ TRACE_ALU_RESULT (GPR[rd]);
+ }
+}
+
+:function:::void:do_msub:int rs, int rt
+{
+ 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);
+}
+
+:function:::void:do_dsp_msub:int ac, int rs, int rt
+{
+ signed64 temp;
+ if (ac == 0)
+ 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 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
+ - ((signed64) EXTEND32 (GPR[rt]) * (signed64) EXTEND32 (GPR[rs])));
+ DSPLO(ac) = EXTEND32 (temp);
+ DSPHI(ac) = EXTEND32 (VH4_8 (temp));
+ if (ac == 0)
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_msubu:int rs, int rt
+{
+ 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_dsp_msubu:int ac, int rs, int rt
+{
+ unsigned64 temp;
+ if (ac == 0)
+ 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 (DSPHI(ac)), VL4_8 (DSPLO(ac)))
+ - ((unsigned64) VL4_8 (GPR[rs]) * (unsigned64) VL4_8 (GPR[rt])));
+ DSPLO(ac) = EXTEND32 (temp);
+ DSPHI(ac) = EXTEND32 (VH4_8 (temp));
+ if (ac == 0)
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_mthi:int rs
+{
+ check_mt_hilo (SD_, HIHISTORY);
+ HI = GPR[rs];
+}
+
+:function:::void:do_dsp_mthi:int ac, int rs
+{
+ if (ac == 0)
+ check_mt_hilo (SD_, HIHISTORY);
+ DSPHI(ac) = GPR[rs];
+}
+
+:function:::void:do_mtlo:int rs
+{
+ check_mt_hilo (SD_, LOHISTORY);
+ LO = GPR[rs];
+}
+
+:function:::void:do_dsp_mtlo:int ac, int rs
+{
+ if (ac == 0)
+ check_mt_hilo (SD_, LOHISTORY);
+ DSPLO(ac) = GPR[rs];
+}
+
+:function:::void:do_mul:int rd, int rs, int rt
+{
+ 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_dsp_mult:int ac, int rs, int rt
+{
+ signed64 prod;
+ if (ac == 0)
+ 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]);
+ DSPLO(ac) = EXTEND32 (VL4_8 (prod));
+ DSPHI(ac) = EXTEND32 (VH4_8 (prod));
+ if (ac == 0)
+ {
+ ACX = 0; /* SmartMIPS */
+ TRACE_ALU_RESULT2 (HI, LO);
+ }
+}
+
+:function:::void:do_dsp_multu:int ac, int rs, int rt
+{
+ unsigned64 prod;
+ if (ac == 0)
+ 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]);
+ DSPLO(ac) = EXTEND32 (VL4_8 (prod));
+ DSPHI(ac) = EXTEND32 (VH4_8 (prod));
+ if (ac == 0)
+ TRACE_ALU_RESULT2 (HI, LO);
+}
+
+:function:::void:do_pref:int hint, int insn_offset, int insn_base
+{
+ address_word base = GPR[insn_base];
+ address_word offset = EXTEND16 (insn_offset);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+ /* Prefetch (paddr, vaddr, isDATA, hint); */
+ }
+}
+
+:function:::void:do_sc:int rt, int offsetarg, int basereg, address_word instruction_0
+{
+ unsigned32 instruction = instruction_0;
+ address_word base = GPR[basereg];
+ address_word offset = EXTEND16 (offsetarg);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer,
+ sim_core_unaligned_signal);
+ }
+ else
+ {
+ unsigned64 memval = 0;
+ unsigned64 memval1 = 0;
+ unsigned64 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 = ((unsigned64) GPR[rt] << (8 * byte));
+ if (LLBIT)
+ StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr,
+ isREAL);
+ GPR[rt] = LLBIT;
+ }
+ }
+}
+
+:function:::void:do_scd:int rt, int roffset, int rbase
+{
+ address_word base = GPR[rbase];
+ address_word offset = EXTEND16 (roffset);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+
+ if ((vaddr & 7) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer,
+ sim_core_unaligned_signal);
+ }
+ else
+ {
+ unsigned64 memval = 0;
+ unsigned64 memval1 = 0;
+ memval = GPR[rt];
+ if (LLBIT)
+ StoreMemory (AccessLength_DOUBLEWORD, memval, memval1, paddr, vaddr,
+ isREAL);
+ GPR[rt] = LLBIT;
+ }
+ }
+}
+
+:function:::void:do_sub:int rs, int rt, int 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]);
+}
+
+:function:::void:do_sw:int rt, int offset, int base
+{
+ do_store (SD_, AccessLength_WORD, GPR[base], EXTEND16 (offset), GPR[rt]);
+}
+
+:function:::void:do_teq:int rs, int rt, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] == (signed_word) GPR[rt])
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_teqi:int rs, int immediate, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] == (signed_word) EXTEND16 (immediate))
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tge:int rs, int rt, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] >= (signed_word) GPR[rt])
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tgei:int rs, int immediate, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] >= (signed_word) EXTEND16 (immediate))
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tgeiu:int rs, int immediate, address_word instruction_0
+{
+ if ((unsigned_word) GPR[rs] >= (unsigned_word) EXTEND16 (immediate))
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tgeu:int rs ,int rt, address_word instruction_0
+{
+ if ((unsigned_word) GPR[rs] >= (unsigned_word) GPR[rt])
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tlt:int rs, int rt, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] < (signed_word) GPR[rt])
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tlti:int rs, int immediate, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate))
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tltiu:int rs, int immediate, address_word instruction_0
+{
+ if ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate))
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tltu:int rs, int rt, address_word instruction_0
+{
+ if ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt])
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tne:int rs, int rt, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] != (signed_word) GPR[rt])
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_tnei:int rs, int immediate, address_word instruction_0
+{
+ if ((signed_word) GPR[rs] != (signed_word) EXTEND16 (immediate))
+ SignalException (Trap, instruction_0);
+}
+
+:function:::void:do_abs_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, fmt, AbsoluteValue (ValueFPR (fs, fmt), fmt));
+}
+
+:function:::void:do_add_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, fmt, Add (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
+}
+
+:function:::void:do_alnv_ps:int fd, int fs, int ft, int rs, address_word instruction_0
+{
+ unsigned64 fsx;
+ unsigned64 ftx;
+ unsigned64 fdx;
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ fsx = ValueFPR (fs, fmt_ps);
+ if ((GPR[rs] & 0x3) != 0)
+ Unpredictable ();
+ if ((GPR[rs] & 0x4) == 0)
+ fdx = fsx;
+ else
+ {
+ ftx = ValueFPR (ft, fmt_ps);
+ if (BigEndianCPU)
+ fdx = PackPS (PSLower (fsx), PSUpper (ftx));
+ else
+ fdx = PackPS (PSLower (ftx), PSUpper (fsx));
+ }
+ StoreFPR (fd, fmt_ps, fdx);
+}
+
+:function:::void:do_c_cond_fmt:int cond, int fmt, int cc, int fs, int ft, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_ceil_fmt:int type, int fmt, int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, type, Convert (FP_RM_TOPINF, ValueFPR (fs, fmt), fmt,
+ type));
+}
+
+:function:::void:do_cfc1:int rt, int fs
+{
+ 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]);
+}
+
+:function:::void:do_ctc1:int rt, int fs
+{
+ check_fpu (SD_);
+ TRACE_ALU_INPUT1 (GPR[rt]);
+ if (fs == 25 || fs == 26 || fs == 28 || fs == 31)
+ StoreFCR (fs, GPR[rt]);
+ /* else NOP */
+}
+
+:function:::void:do_cvt_d_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ if ((fmt == fmt_double) | 0)
+ SignalException (ReservedInstruction, instruction_0);
+ StoreFPR (fd, fmt_double, Convert (GETRM (), ValueFPR (fs, fmt), fmt,
+ fmt_double));
+}
+
+:function:::void:do_cvt_l_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_cvt_ps_s:int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_ps, PackPS (ValueFPR (fs, fmt_single),
+ ValueFPR (ft, fmt_single)));
+}
+
+:function:::void:do_cvt_s_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ if ((fmt == fmt_single) | 0)
+ SignalException (ReservedInstruction, instruction_0);
+ StoreFPR (fd, fmt_single, Convert (GETRM (), ValueFPR (fs, fmt), fmt,
+ fmt_single));
+}
+
+:function:::void:do_cvt_s_pl:int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_single, PSLower (ValueFPR (fs, fmt_ps)));
+}
+
+:function:::void:do_cvt_s_pu:int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_single, PSUpper (ValueFPR (fs, fmt_ps)));
+}
+
+:function:::void:do_cvt_w_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_div_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ StoreFPR (fd, fmt, Divide (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
+}
+
+:function:::void:do_dmfc1b:int rt, int fs
+*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
+*vr4100:
+*vr5000:
+*r3900:
+*micromips64:
+{
+ 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]);
+}
+
+:function:::void:do_dmtc1b:int rt, int fs
+{
+ if (SizeFGR () == 64)
+ StoreFPR (fs, fmt_uninterpreted_64, GPR[rt]);
+ else if ((fs & 0x1) == 0)
+ StoreFPR (fs, fmt_uninterpreted_64, GPR[rt]);
+ else
+ Unpredictable ();
+}
+
+:function:::void:do_floor_fmt:int type, int fmt, int fd, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fd, type, Convert (FP_RM_TOMINF, ValueFPR (fs, fmt), fmt,
+ type));
+}
+
+:function:::void:do_luxc1_32:int fd, int rindex, int rbase
+*mips32r2:
+*micromips32:
+{
+ address_word base = GPR[rbase];
+ address_word index = GPR[rindex];
+ address_word vaddr = base + index;
+ check_fpu (SD_);
+ if (SizeFGR () != 64)
+ Unpredictable ();
+ /* Arrange for the bottom 3 bits of (base + index) to be 0. */
+ if ((vaddr & 0x7) != 0)
+ index -= (vaddr & 0x7);
+ COP_LD (1, fd, do_load_double (SD_, base, index));
+}
+
+:function:::void:do_luxc1_64:int fd, int rindex, int rbase
+{
+ address_word base = GPR[rbase];
+ address_word index = GPR[rindex];
+ address_word vaddr = base + index;
+ if (SizeFGR () != 64)
+ Unpredictable ();
+ /* Arrange for the bottom 3 bits of (base + index) to be 0. */
+ if ((vaddr & 0x7) != 0)
+ index -= (vaddr & 0x7);
+ COP_LD (1, fd, do_load (SD_, AccessLength_DOUBLEWORD, base, index));
+
+}
+
+:function:::void:do_lwc1:int ft, int offset, int base
+{
+ check_fpu (SD_);
+ COP_LW (1, ft, do_load (SD_, AccessLength_WORD, GPR[base],
+ EXTEND16 (offset)));
+}
+
+:function:::void:do_lwxc1:int fd, int index, int base, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ COP_LW (1, fd, do_load (SD_, AccessLength_WORD, GPR[base], GPR[index]));
+}
+
+:function:::void:do_madd_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_mfc1b:int rt, int fs
+{
+ check_fpu (SD_);
+ GPR[rt] = EXTEND32 (FGR[fs]);
+ TRACE_ALU_RESULT (GPR[rt]);
+}
+
+:function:::void:do_mov_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, fmt, ValueFPR (fs, fmt));
+}
+
+:function:::void:do_movtf:int tf, int rd, int rs, int cc
+{
+ check_fpu (SD_);
+ if (GETFCC(cc) == tf)
+ GPR[rd] = GPR[rs];
+}
+
+:function:::void:do_movtf_fmt:int tf, int fmt, int fd, int fs, int cc
+{
+ 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 fdx;
+ fdx = 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, fdx);
+ }
+}
+
+:function:::void:do_movn_fmt:int fmt, int fd, int fs, int rt
+{
+ check_fpu (SD_);
+ if (GPR[rt] != 0)
+ StoreFPR (fd, fmt, ValueFPR (fs, fmt));
+ else
+ StoreFPR (fd, fmt, ValueFPR (fd, fmt));
+}
+
+:function:::void:do_movz_fmt:int fmt, int fd, int fs, int rt
+{
+ check_fpu (SD_);
+ if (GPR[rt] == 0)
+ StoreFPR (fd, fmt, ValueFPR (fs, fmt));
+ else
+ StoreFPR (fd, fmt, ValueFPR (fd, fmt));
+}
+
+:function:::void:do_msub_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_mtc1b:int rt, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fs, fmt_uninterpreted_32, VL4_8 (GPR[rt]));
+}
+
+:function:::void:do_mul_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, fmt, Multiply (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
+}
+
+:function:::void:do_neg_fmt:int fmt, int fd, int fs, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, fmt, Negate (ValueFPR (fs, fmt), fmt));
+}
+
+:function:::void:do_nmadd_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_nmsub_fmt:int fmt, int fd, int fr, int fs, int ft, address_word instruction_0
+{
+ 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));
+}
+
+:function:::void:do_pll_ps:int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_ps, PackPS (PSLower (ValueFPR (fs, fmt_ps)),
+ PSLower (ValueFPR (ft, fmt_ps))));
+}
+
+:function:::void:do_plu_ps:int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_ps, PackPS (PSLower (ValueFPR (fs, fmt_ps)),
+ PSUpper (ValueFPR (ft, fmt_ps))));
+}
+
+:function:::void:do_pul_ps:int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_ps, PackPS (PSUpper (ValueFPR (fs, fmt_ps)),
+ PSLower (ValueFPR (ft, fmt_ps))));
+}
+
+:function:::void:do_puu_ps:int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ StoreFPR (fd, fmt_ps, PackPS (PSUpper (ValueFPR (fs, fmt_ps)),
+ PSUpper (ValueFPR (ft, fmt_ps))));
+}
+
+:function:::void:do_recip_fmt:int fmt, int fd, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fd, fmt, Recip (ValueFPR (fs, fmt), fmt));
+}
+
+:function:::void:do_round_fmt:int type, int fmt, int fd, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fd, type, Convert (FP_RM_NEAREST, ValueFPR (fs, fmt), fmt,
+ type));
+}
+
+:function:::void:do_rsqrt_fmt:int fmt, int fd, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fd, fmt, RSquareRoot (ValueFPR (fs, fmt), fmt));
+}
+
+:function:::void:do_prefx:int hint, int rindex, int rbase
+{
+ address_word base = GPR[rbase];
+ address_word index = GPR[rindex];
+ {
+ address_word vaddr = loadstore_ea (SD_, base, index);
+ address_word paddr = vaddr;
+ /* Prefetch (paddr, vaddr, isDATA, hint); */
+ }
+}
+
+:function:::void:do_sdc1:int ft, int offset, int base
+*mipsII:
+*mips32:
+*mips32r2:
+*micromips32:
+{
+ check_fpu (SD_);
+ do_store_double (SD_, GPR[base], EXTEND16 (offset), COP_SD (1, ft));
+}
+
+:function:::void:do_suxc1_32:int fs, int rindex, int rbase
+*mips32r2:
+*micromips32:
+{
+ address_word base = GPR[rbase];
+ address_word index = GPR[rindex];
+ address_word vaddr = base + index;
+ check_fpu (SD_);
+ if (SizeFGR () != 64)
+ Unpredictable ();
+ /* Arrange for the bottom 3 bits of (base + index) to be 0. */
+ if ((vaddr & 0x7) != 0)
+ index -= (vaddr & 0x7);
+ do_store_double (SD_, base, index, COP_SD (1, fs));
+}
+
+:function:::void:do_suxc1_64:int fs, int rindex, int rbase
+{
+ address_word base = GPR[rbase];
+ address_word index = GPR[rindex];
+ address_word vaddr = base + index;
+ if (SizeFGR () != 64)
+ Unpredictable ();
+ /* Arrange for the bottom 3 bits of (base + index) to be 0. */
+ if ((vaddr & 0x7) != 0)
+ index -= (vaddr & 0x7);
+ do_store (SD_, AccessLength_DOUBLEWORD, base, index, COP_SD (1, fs));
+}
+
+:function:::void:do_sqrt_fmt:int fmt, int fd, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fd, fmt, (SquareRoot (ValueFPR (fs, fmt), fmt)));
+}
+
+:function:::void:do_sub_fmt:int fmt, int fd, int fs, int ft, address_word instruction_0
+{
+ check_fpu (SD_);
+ check_fmt_p (SD_, fmt, instruction_0);
+ StoreFPR (fd, fmt, Sub (ValueFPR (fs, fmt), ValueFPR (ft, fmt), fmt));
+}
+
+:function:::void:do_swc1:int ft, int roffset, int rbase, address_word instruction_0
+{
+ address_word base = GPR[rbase];
+ address_word offset = EXTEND16 (roffset);
+ check_fpu (SD_);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr,
+ write_transfer, sim_core_unaligned_signal);
+ }
+ else
+ {
+ 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(1, ft)) << (8 * byte));
+ StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr, isREAL);
+ }
+ }
+}
+
+:function:::void:do_swxc1:int fs, int rindex, int rbase, address_word instruction_0
+{
+ address_word base = GPR[rbase];
+ address_word index = GPR[rindex];
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ {
+ address_word vaddr = loadstore_ea (SD_, base, index);
+ address_word paddr = vaddr;
+
+ if ((vaddr & 3) != 0)
+ {
+ SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer,
+ sim_core_unaligned_signal);
+ }
+ else
+ {
+ unsigned64 memval = 0;
+ unsigned64 memval1 = 0;
+ unsigned64 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 = (((unsigned64)COP_SW(1,fs)) << (8 * byte));
+ StoreMemory (AccessLength_WORD, memval, memval1, paddr, vaddr,
+ isREAL);
+ }
+ }
+}
+
+:function:::void:do_trunc_fmt:int type, int fmt, int fd, int fs
+{
+ check_fpu (SD_);
+ StoreFPR (fd, type, Convert (FP_RM_TOZERO, ValueFPR (fs, fmt), fmt,
+ type));
+}
000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD
"add r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
- {
- ALU32_BEGIN (GPR[RS]);
- ALU32_ADD (GPR[RT]);
- ALU32_END (GPR[RD]);
- }
- TRACE_ALU_RESULT (GPR[RD]);
+ do_add (SD_, RS, RT, RD);
}
001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI
-"addi r<RT>, r<RS>, IMMEDIATE"
-*mipsI,mipsII,mipsIII,mipsIV:
+"addi r<RT>, r<RS>, <IMMEDIATE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
- {
- ALU32_BEGIN (GPR[RS]);
- ALU32_ADD (EXTEND16 (IMMEDIATE));
- ALU32_END (GPR[RT]);
- }
- TRACE_ALU_RESULT (GPR[RT]);
+ do_addi (SD_, RS, RT, IMMEDIATE);
}
: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
"addiu r<RT>, r<RS>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
: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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND
"and r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI
-"and r<RT>, r<RS>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+"andi r<RT>, r<RS>, %#lx<IMMEDIATE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
- GPR[RT] = GPR[RS] & IMMEDIATE;
- TRACE_ALU_RESULT (GPR[RT]);
+ do_andi (SD_,RS, RT, IMMEDIATE);
}
000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ
"beq r<RS>, r<RT>, <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ
"bgez r<RS>, <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- 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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
+ if (RS == 31)
+ Unpredictable ();
RA = (CIA + 8);
if ((signed_word) GPR[RS] >= 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
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 ((signed_word) GPR[RS] >= 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] >= 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ
"bgtz r<RS>, <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] > 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
if ((signed_word) GPR[RS] > 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ
"blez r<RS>, <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
if ((signed_word) GPR[RS] <= 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] <= 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ
"bltz r<RS>, <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- 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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
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 ((signed_word) GPR[RS] < 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
+ if (RS == 31)
+ Unpredictable ();
RA = (CIA + 8);
if ((signed_word) GPR[RS] < 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
/* NOTE: The branch occurs AFTER the next instruction has been
executed */
if ((signed_word) GPR[RS] < 0)
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE
"bne r<RS>, r<RT>, <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
address_word offset = EXTEND16 (OFFSET) << 2;
- check_branch_bug ();
if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
{
- mark_branch_bug (NIA+offset);
DELAY_SLOT (NIA + offset);
}
else
000000,20.CODE,001101:SPECIAL:32::BREAK
-"break"
-*mipsI,mipsII,mipsIII,mipsIV:
+"break %#lx<CODE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- /* 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);
- }
+ do_break (SD_, instruction_0);
+}
- else
- {
- /* If we get this far, we're not an instruction reserved by the sim. Raise
- the exception. */
- SignalException(BreakPoint, instruction_0);
- }
+
+
+011100,5.RS,5.RT,5.RD,00000,100001:SPECIAL2:32::CLO
+"clo r<RD>, r<RS>"
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*vr5500:
+{
+ if (RT != RD)
+ Unpredictable ();
+ do_clo (SD_, RD, RS);
+}
+
+
+
+011100,5.RS,5.RT,5.RD,00000,100000:SPECIAL2:32::CLZ
+"clz r<RD>, r<RS>"
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*vr5500:
+{
+ if (RT != RD)
+ Unpredictable ();
+ do_clz (SD_, RD, RS);
}
"dadd r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- /* this check's for overflow */
- TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
- {
- ALU64_BEGIN (GPR[RS]);
- ALU64_ADD (GPR[RT]);
- ALU64_END (GPR[RD]);
- }
- TRACE_ALU_RESULT (GPR[RD]);
+ check_u64 (SD_, instruction_0);
+ do_dadd (SD_, RD, RS, RT);
}
"daddi r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE));
- {
- ALU64_BEGIN (GPR[RS]);
- ALU64_ADD (EXTEND16 (IMMEDIATE));
- ALU64_END (GPR[RT]);
- }
- TRACE_ALU_RESULT (GPR[RT]);
+ check_u64 (SD_, instruction_0);
+ do_daddi (SD_, RT, RS, IMMEDIATE);
}
}
011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU
-"daddu r<RT>, r<RS>, <IMMEDIATE>"
+"daddiu r<RT>, r<RS>, <IMMEDIATE>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_daddiu (SD_, RS, RT, IMMEDIATE);
}
"daddu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_daddu (SD_, RS, RT, RD);
}
+011100,5.RS,5.RT,5.RD,00000,100101:SPECIAL2:64::DCLO
+"dclo r<RD>, r<RS>"
+*mips64:
+*mips64r2:
+*vr5500:
+{
+ if (RT != RD)
+ Unpredictable ();
+ check_u64 (SD_, instruction_0);
+ do_dclo (SD_, RD, RS);
+}
+
+
+
+011100,5.RS,5.RT,5.RD,00000,100100:SPECIAL2:64::DCLZ
+"dclz r<RD>, r<RS>"
+*mips64:
+*mips64r2:
+*vr5500:
+{
+ if (RT != RD)
+ Unpredictable ();
+ check_u64 (SD_, instruction_0);
+ do_dclz (SD_, RD, RS);
+}
+
+
+
:function:::void:do_ddiv:int rs, int rt
{
check_div_hilo (SD_, HIHISTORY, LOHISTORY);
TRACE_ALU_RESULT2 (HI, LO);
}
-000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV
+000000,5.RS,5.RT,0000000000,011110:SPECIAL:64::DDIV
"ddiv r<RS>, r<RT>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_ddiv (SD_, RS, RT);
}
"ddivu r<RS>, r<RT>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_ddivu (SD_, RS, RT);
}
-
-
:function:::void:do_div:int rs, int rt
{
check_div_hilo (SD_, HIHISTORY, LOHISTORY);
TRACE_ALU_RESULT2 (HI, LO);
}
-000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV
+000000,5.RS,5.RT,0000000000,011010:SPECIAL:32::DIV
"div r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
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,0000000000011011:SPECIAL:32::DIVU
+000000,5.RS,5.RT,0000000000,011011:SPECIAL:32::DIVU
"divu r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
-
:function:::void:do_dmultx:int rs, int rt, int rd, int signed_p
{
unsigned64 lo;
unsigned64 op2 = GPR[rt];
check_mult_hilo (SD_, HIHISTORY, LOHISTORY);
TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]);
- /* make signed multiply unsigned */
+ /* make signed multiply unsigned */
sign = 0;
if (signed_p)
{
- if (op1 < 0)
+ if ((signed64) op1 < 0)
{
op1 = - op1;
++sign;
}
- if (op2 < 0)
+ if ((signed64) op2 < 0)
{
op2 = - op2;
++sign;
do_dmultx (SD_, rs, rt, rd, 1);
}
-000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT
+000000,5.RS,5.RT,0000000000,011100:SPECIAL:64::DMULT
"dmult r<RS>, r<RT>"
-*mipsIII,mipsIV:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
{
+ check_u64 (SD_, instruction_0);
do_dmult (SD_, RS, RT, 0);
}
-000000,5.RS,5.RT,5.RD,00000011100:SPECIAL:64::DMULT
+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);
}
do_dmultx (SD_, rs, rt, rd, 0);
}
-000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU
+000000,5.RS,5.RT,0000000000,011101:SPECIAL:64::DMULTU
"dmultu r<RS>, r<RT>"
-*mipsIII,mipsIV:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
{
+ check_u64 (SD_, instruction_0);
do_dmultu (SD_, RS, RT, 0);
}
-000000,5.RS,5.RT,5.RD,00000011101:SPECIAL:64::DMULTU
+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);
}
-:function:::void:do_dsll:int rt, int rd, int shift
+
+:function:::unsigned64:do_dror:unsigned64 x,unsigned64 y
{
- GPR[rd] = GPR[rt] << shift;
+ unsigned64 result;
+
+ y &= 63;
+ TRACE_ALU_INPUT2 (x, y);
+ result = ROTR64 (x, y);
+ TRACE_ALU_RESULT (result);
+ return result;
}
-:function:::void:do_dsllv:int rs, int rt, int rd
+000000,00001,5.RT,5.RD,5.SHIFT,111010::64::DROR
+"dror r<RD>, r<RT>, <SHIFT>"
+*mips64r2:
+*vr5400:
+*vr5500:
{
- int s = MASKED64 (GPR[rs], 5, 0);
- GPR[rd] = GPR[rt] << s;
+ check_u64 (SD_, instruction_0);
+ GPR[RD] = do_dror (SD_, GPR[RT], SHIFT);
+}
+
+000000,00001,5.RT,5.RD,5.SHIFT,111110::64::DROR32
+"dror32 r<RD>, r<RT>, <SHIFT>"
+*mips64r2:
+*vr5400:
+*vr5500:
+{
+ check_u64 (SD_, instruction_0);
+ GPR[RD] = do_dror (SD_, GPR[RT], SHIFT + 32);
+}
+
+000000,5.RS,5.RT,5.RD,00001,010110::64::DRORV
+"drorv r<RD>, r<RT>, r<RS>"
+*mips64r2:
+*vr5400:
+*vr5500:
+{
+ check_u64 (SD_, instruction_0);
+ GPR[RD] = do_dror (SD_, GPR[RT], GPR[RS]);
}
-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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- int s = 32 + SHIFT;
- GPR[RD] = GPR[RT] << s;
+ check_u64 (SD_, instruction_0);
+ do_dsll32 (SD_, RD, RT, SHIFT);
+}
+
+: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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- int s = 32 + SHIFT;
- GPR[RD] = ((signed64) GPR[RT]) >> s;
+ check_u64 (SD_, instruction_0);
+ do_dsra32 (SD_, RD, RT, SHIFT);
}
TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV
-"dsra32 r<RT>, r<RD>, r<RS>"
+000000,5.RS,5.RT,5.RD,00000,010111:SPECIAL:64::DSRAV
+"dsrav r<RD>, r<RT>, r<RS>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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
+000000,00000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL
"dsrl r<RD>, r<RT>, <SHIFT>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- int s = 32 + SHIFT;
- GPR[RD] = (unsigned64) GPR[RT] >> s;
+ check_u64 (SD_, instruction_0);
+ do_dsrl32 (SD_, RD, RT, SHIFT);
}
: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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
- {
- ALU64_BEGIN (GPR[RS]);
- ALU64_SUB (GPR[RT]);
- ALU64_END (GPR[RD]);
- }
- TRACE_ALU_RESULT (GPR[RD]);
+ check_u64 (SD_, instruction_0);
+ do_dsub (SD_, RD, RS, RT);
}
TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU
+000000,5.RS,5.RT,5.RD,00000,101111:SPECIAL:64::DSUBU
"dsubu r<RD>, r<RS>, r<RT>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_dsubu (SD_, RS, RT, RD);
}
000010,26.INSTR_INDEX:NORMAL:32::J
"j <INSTR_INDEX>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
000011,26.INSTR_INDEX:NORMAL:32::JAL
"jal <INSTR_INDEX>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
DELAY_SLOT (temp);
}
+000000,5.RS,00000,5.RD,10000,001001:SPECIAL:32::JALR_HB
+"jalr.hb r<RS>":RD == 31
+"jalr.hb r<RD>, r<RS>"
+*mips32r2:
+*mips64r2:
+{
+ address_word temp = GPR[RS];
+ GPR[RD] = CIA + 8;
+ DELAY_SLOT (temp);
+}
-000000,5.RS,000000000000000001000:SPECIAL:32::JR
+000000,5.RS,0000000000,00000,001000:SPECIAL:32::JR
"jr r<RS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
DELAY_SLOT (GPR[RS]);
}
+000000,5.RS,0000000000,10000,001000:SPECIAL:32::JR_HB
+"jr.hb r<RS>"
+*mips32r2:
+*mips64r2:
+{
+ 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;
+ unsigned64 memval;
+ address_word vaddr;
+
+ paddr = 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);
+ }
+ paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian));
+ LoadMemory (&memval, NULL, 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;
+ unsigned64 memval;
+ address_word vaddr;
+ int nr_lhs_bits;
+ int nr_rhs_bits;
+ unsigned_word lhs_mask;
+ unsigned_word temp;
+
+ paddr = vaddr = loadstore_ea (SD_, base, offset);
+ 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, 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:unsigned access, address_word base, address_word offset
+: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 ? (mask ^ access) : 0);
- address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
+ 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 = 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));
+ paddr = vaddr = loadstore_ea (SD_, base, offset);
+ /* 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, 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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET)));
+ do_lb (SD_,RT,OFFSET,BASE);
}
100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU
"lbu r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET));
+ do_lbu (SD_, RT,OFFSET,BASE);
}
"ld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- COP_LD (ZZ, RT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
+ do_ldc (SD_, ZZ, RT, OFFSET, BASE);
}
"ldl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH
"lh r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET)));
+ do_lh (SD_,RT,OFFSET,BASE);
}
100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU
"lhu r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET));
+ do_lhu (SD_,RT,OFFSET,BASE);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*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)
- {
- 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))
- {
- 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));
- LLBIT = 1;
- }
- }
- }
+ do_ll (SD_, RT, OFFSET, BASE);
}
"lld r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*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)
- {
- 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;
- LLBIT = 1;
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ do_lld (SD_, RT, OFFSET, BASE);
}
001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI
-"lui r<RT>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+"lui r<RT>, %#lx<IMMEDIATE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- TRACE_ALU_INPUT1 (IMMEDIATE);
- GPR[RT] = EXTEND32 (IMMEDIATE << 16);
- TRACE_ALU_RESULT (GPR[RT]);
+ do_lui (SD_, RT, IMMEDIATE);
}
100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW
"lw r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
+ do_lw (SD_,RT,OFFSET,BASE);
}
1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz
"lwc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- COP_LW (ZZ, RT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
-}
-
-
-: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 = 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;
+ do_lwc (SD_, ZZ, RT, OFFSET, BASE);
}
100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL
"lwl r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[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 = 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;
+ do_lwl (SD_, RT, OFFSET, BASE);
}
100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR
"lwr r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- GPR[RT] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]));
+ do_lwr (SD_, RT, OFFSET, BASE);
}
-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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- GPR[RT] = do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET));
+ do_lwu (SD_, RT, OFFSET, BASE, instruction_0);
+}
+
+
+
+011100,5.RS,5.RT,00000,00000,000000:SPECIAL2:32::MADD
+"madd r<RS>, r<RT>"
+*mips32:
+*mips64:
+*vr5500:
+{
+ do_madd (SD_, RS, RT);
+}
+
+
+011100,5.RS,5.RT,000,2.AC,00000,000000:SPECIAL2:32::MADD
+"madd r<RS>, r<RT>":AC == 0
+"madd ac<AC>, r<RS>, r<RT>"
+*mips32r2:
+*mips64r2:
+*dsp2:
+{
+ do_dsp_madd (SD_, AC, RS, RT);
+}
+
+
+011100,5.RS,5.RT,00000,00000,000001:SPECIAL2:32::MADDU
+"maddu r<RS>, r<RT>"
+*mips32:
+*mips64:
+*vr5500:
+{
+ do_maddu (SD_, RS, RT);
+}
+
+
+011100,5.RS,5.RT,000,2.AC,00000,000001:SPECIAL2:32::MADDU
+"maddu r<RS>, r<RT>":AC == 0
+"maddu ac<AC>, r<RS>, r<RT>"
+*mips32r2:
+*mips64r2:
+*dsp2:
+{
+ do_dsp_maddu (SD_, AC, RS, RT);
}
000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI
"mfhi r<RD>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
*vr4100:
*vr5000:
*r3900:
+*mips32:
+*mips64:
{
do_mfhi (SD_, RD);
}
+000000,000,2.AC,00000,5.RD,00000,010000:SPECIAL:32::MFHI
+"mfhi r<RD>":AC == 0
+"mfhi r<RD>, ac<AC>"
+*mips32r2:
+*mips64r2:
+*dsp:
+{
+ do_dsp_mfhi (SD_, AC, RD);
+}
+
:function:::void:do_mflo:int rd
{
000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO
"mflo r<RD>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
*vr4100:
*vr5000:
*r3900:
+*mips32:
+*mips64:
{
do_mflo (SD_, RD);
}
+000000,000,2.AC,00000,5.RD,00000,010010:SPECIAL:32::MFLO
+"mflo r<RD>":AC == 0
+"mflo r<RD>, ac<AC>"
+*mips32r2:
+*mips64r2:
+*dsp:
+{
+ do_dsp_mflo (SD_, AC, 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:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr5000:
{
- if (GPR[RT] != 0)
- GPR[RD] = GPR[RS];
+ do_movn (SD_, RD, RS, RT);
}
-000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ
+000000,5.RS,5.RT,5.RD,00000,001010:SPECIAL:32::MOVZ
"movz r<RD>, r<RS>, r<RT>"
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr5000:
{
- if (GPR[RT] == 0)
- GPR[RD] = GPR[RS];
+ do_movz (SD_, RD, RS, RT);
+}
+
+
+
+011100,5.RS,5.RT,00000,00000,000100:SPECIAL2:32::MSUB
+"msub r<RS>, r<RT>"
+*mips32:
+*mips64:
+*vr5500:
+{
+ do_msub (SD_, RS, RT);
+}
+
+
+011100,5.RS,5.RT,000,2.AC,00000,000100:SPECIAL2:32::MSUB
+"msub r<RS>, r<RT>":AC == 0
+"msub ac<AC>, r<RS>, r<RT>"
+*mips32r2:
+*mips64r2:
+*dsp2:
+{
+ do_dsp_msub (SD_, AC, RS, RT);
+}
+
+
+011100,5.RS,5.RT,00000,00000,000101:SPECIAL2:32::MSUBU
+"msubu r<RS>, r<RT>"
+*mips32:
+*mips64:
+*vr5500:
+{
+ do_msubu (SD_, RS, RT);
}
+011100,5.RS,5.RT,000,2.AC,00000,000101:SPECIAL2:32::MSUBU
+"msubu r<RS>, r<RT>":AC == 0
+"msubu ac<AC>, r<RS>, r<RT>"
+*mips32r2:
+*mips64r2:
+*dsp2:
+{
+ do_dsp_msubu (SD_, AC, RS, RT);
+}
+
000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI
"mthi r<RS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
*vr4100:
*vr5000:
*r3900:
+*mips32:
+*mips64:
{
- check_mt_hilo (SD_, HIHISTORY);
- HI = GPR[RS];
+ do_mthi (SD_, RS);
}
+000000,5.RS,00000,000,2.AC,00000,010001:SPECIAL:32::MTHI
+"mthi r<RS>":AC == 0
+"mthi r<RS>, ac<AC>"
+*mips32r2:
+*mips64r2:
+*dsp:
+{
+ do_dsp_mthi (SD_, AC, RS);
+}
+
-000000,5.RS,000000000000000010011:SPECIAL:32::MTLO
+000000,5.RS,000000000000000,010011:SPECIAL:32::MTLO
"mtlo r<RS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
*vr4100:
*vr5000:
*r3900:
+*mips32:
+*mips64:
{
- check_mt_hilo (SD_, LOHISTORY);
- LO = GPR[RS];
+ do_mtlo (SD_, RS);
+}
+
+
+000000,5.RS,00000,000,2.AC,00000,010011:SPECIAL:32::MTLO
+"mtlo r<RS>":AC == 0
+"mtlo r<RS>, ac<AC>"
+*mips32r2:
+*mips64r2:
+*dsp:
+{
+ do_dsp_mtlo (SD_, AC, RS);
+}
+
+
+011100,5.RS,5.RT,5.RD,00000,000010:SPECIAL2:32::MUL
+"mul r<RD>, r<RS>, r<RT>"
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*vr5500:
+{
+ do_mul (SD_, RD, RS, RT);
}
{
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));
+ ACX = 0; /* SmartMIPS */
if (rd != 0)
GPR[rd] = LO;
TRACE_ALU_RESULT2 (HI, LO);
}
-000000,5.RS,5.RT,00000,00000011000:SPECIAL:32::MULT
+000000,5.RS,5.RT,0000000000,011000:SPECIAL:32::MULT
"mult r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
*vr4100:
{
do_mult (SD_, RS, RT, 0);
}
-000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT
+000000,5.RS,5.RT,000,2.AC,00000,011000:SPECIAL:32::MULT
+"mult r<RS>, r<RT>":AC == 0
+"mult ac<AC>, r<RS>, r<RT>"
+*mips32r2:
+*mips64r2:
+*dsp2:
+{
+ do_dsp_mult (SD_, AC, RS, RT);
+}
+
+
+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:
{
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]));
TRACE_ALU_RESULT2 (HI, LO);
}
-000000,5.RS,5.RT,00000,00000011001:SPECIAL:32::MULTU
+000000,5.RS,5.RT,0000000000,011001:SPECIAL:32::MULTU
"multu r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips64:
*vr4100:
{
do_multu (SD_, RS, RT, 0);
}
-000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU
+
+000000,5.RS,5.RT,000,2.AC,00000,011001:SPECIAL:32::MULTU
+"multu r<RS>, r<RT>":AC == 0
+"multu r<RS>, r<RT>"
+*mips32r2:
+*mips64r2:
+*dsp2:
+{
+ do_dsp_multu (SD_, AC, RS, RT);
+}
+
+
+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:
000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR
"nor r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR
"or r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI
-"ori r<RT>, r<RS>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+"ori r<RT>, r<RS>, %#lx<IMMEDIATE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
-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:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*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 vaddr = ((unsigned64)op1 + offset);
- address_word paddr;
- int uncached;
- {
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- Prefetch(uncached,paddr,vaddr,isDATA,hint);
- }
- }
+ do_pref (SD_, HINT, OFFSET, BASE);
}
+
+:function:::unsigned64:do_ror:unsigned32 x,unsigned32 y
+{
+ unsigned64 result;
+
+ y &= 31;
+ TRACE_ALU_INPUT2 (x, y);
+ result = EXTEND32 (ROTR32 (x, y));
+ TRACE_ALU_RESULT (result);
+ return result;
+}
+
+000000,00001,5.RT,5.RD,5.SHIFT,000010::32::ROR
+"ror r<RD>, r<RT>, <SHIFT>"
+*mips32r2:
+*mips64r2:
+*smartmips:
+*vr5400:
+*vr5500:
+{
+ GPR[RD] = do_ror (SD_, GPR[RT], SHIFT);
+}
+
+000000,5.RS,5.RT,5.RD,00001,000110::32::RORV
+"rorv r<RD>, r<RT>, r<RS>"
+*mips32r2:
+*mips64r2:
+*smartmips:
+*vr5400:
+*vr5500:
+{
+ GPR[RD] = do_ror (SD_, GPR[RT], GPR[RS]);
+}
+
+
: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 bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0);
unsigned int byte;
address_word paddr;
- int uncached;
unsigned64 memval;
address_word vaddr;
- vaddr = base + offset;
+ paddr = 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);
+ StoreMemory (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;
+ unsigned64 memval;
+ address_word vaddr;
+ int nr_lhs_bits;
+ int nr_rhs_bits;
+
+ paddr = vaddr = loadstore_ea (SD_, base, offset);
+ 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 (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;
+ unsigned64 memval;
+ address_word vaddr;
+
+ paddr = vaddr = loadstore_ea (SD_, base, offset);
+ paddr = (paddr ^ (reverseendian & mask));
+ if (BigEndianMem != 0)
+ paddr &= ~access;
+ byte = ((vaddr & mask) ^ (bigendiancpu & mask));
+ memval = (rt << (byte * 8));
+ StoreMemory (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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*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 & 3) != 0)
- {
- 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))
- {
- 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));
- if (LLBIT)
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- GPR[(instruction >> 16) & 0x0000001F] = LLBIT;
- }
- }
- }
+ do_sc (SD_, RT, OFFSET, BASE, instruction_0);
}
"scd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*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)
- {
- 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;
- if (LLBIT)
- {
- StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL);
- }
- GPR[(instruction >> 16) & 0x0000001F] = LLBIT;
- }
- }
- }
+ check_u64 (SD_, instruction_0);
+ do_scd (SD_, RT, OFFSET, BASE);
}
"sd r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
"sdl r<RT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ 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:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
+ check_u64 (SD_, instruction_0);
do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
}
+
101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH
"sh r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
TRACE_ALU_RESULT (GPR[rd]);
}
-00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL
+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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
*vr4100:
*vr5000:
*r3900:
{
- do_sll (SD_, RT, RD, SHIFT);
+ /* 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:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ /* 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);
}
TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV
+000000,5.RS,5.RT,5.RD,00000,000100:SPECIAL:32::SLLV
"sllv r<RD>, r<RT>, r<RS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT
+000000,5.RS,5.RT,5.RD,00000,101010:SPECIAL:32::SLT
"slt r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI
"slti r<RT>, r<RS>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU
"sltiu r<RT>, r<RS>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
: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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
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,00000000111:SPECIAL:32::SRAV
+000000,5.RS,5.RT,5.RD,00000,000111:SPECIAL:32::SRAV
"srav r<RD>, r<RT>, r<RS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
: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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
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,00000000110:SPECIAL:32::SRLV
+000000,5.RS,5.RT,5.RD,00000,000110:SPECIAL:32::SRLV
"srlv r<RD>, r<RT>, r<RS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
-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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
- {
- ALU32_BEGIN (GPR[RS]);
- ALU32_SUB (GPR[RT]);
- ALU32_END (GPR[RD]);
- }
- TRACE_ALU_RESULT (GPR[RD]);
+ do_sub (SD_, RD, RS, RT);
}
: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,00000100011:SPECIAL:32::SUBU
+000000,5.RS,5.RT,5.RD,00000,100011:SPECIAL:32::SUBU
"subu r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW
"sw r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*r3900:
*vr5000:
{
- do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]);
+ do_sw (SD_, RT, OFFSET, BASE);
}
1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz
"swc<ZZ> r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
-
-: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 = 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);
-}
-
-
101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL
"swl r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
-: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 = 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);
-}
-
101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR
"swr r<RT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
-000000000000000000000,5.STYPE,001111:SPECIAL:32::SYNC
+000000,000000000000000,5.STYPE,001111:SPECIAL:32::SYNC
"sync":STYPE == 0
"sync <STYPE>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
000000,20.CODE,001100:SPECIAL:32::SYSCALL
-"syscall <CODE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+"syscall %#lx<CODE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- SignalException(SystemCall, instruction_0);
+ SignalException (SystemCall, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] == (signed_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ do_teq (SD_, RS, RT, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] == (signed_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ do_teqi (SD_, RS, IMMEDIATE, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] >= (signed_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ do_tge (SD_, RS, RT, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] >= (signed_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ do_tgei (SD_, RS, IMMEDIATE, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ do_tgeiu (SD_, RS, IMMEDIATE, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ do_tgeu (SD_, RS, RT, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] < (signed_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ do_tlt (SD_, RS, RT, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ do_tlti (SD_, RS, IMMEDIATE, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ do_tltiu (SD_, RS, IMMEDIATE, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ do_tltu (SD_, RS, RT, instruction_0);
}
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] != (signed_word) GPR[RT])
- SignalException(Trap, instruction_0);
+ do_tne (SD_, RS, RT, instruction_0);
}
000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI
-"tne r<RS>, <IMMEDIATE>"
+"tnei r<RS>, <IMMEDIATE>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
- if ((signed_word) GPR[RS] != (signed_word) EXTEND16 (IMMEDIATE))
- SignalException(Trap, instruction_0);
+ do_tnei (SD_, RS, IMMEDIATE, instruction_0);
}
TRACE_ALU_RESULT (GPR[rd]);
}
-000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR
+000000,5.RS,5.RT,5.RD,00000,100110:SPECIAL:32::XOR
"xor r<RD>, r<RS>, r<RT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
}
001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI
-"xori r<RT>, r<RS>, <IMMEDIATE>"
-*mipsI,mipsII,mipsIII,mipsIV:
+"xori r<RT>, r<RS>, %#lx<IMMEDIATE>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
case fmt_double: return "d";
case fmt_word: return "w";
case fmt_long: return "l";
- default: return "?";
- }
-}
-
-:%s::::X:int x
-{
- switch (x)
- {
- case 0: return "f";
- case 1: return "t";
+ case fmt_ps: return "ps";
default: return "?";
}
}
}
-010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
+// Helpers:
+//
+// Check that the given FPU format is usable, and signal a
+// ReservedInstruction exception if not.
+//
+
+// 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:
+*mips32:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ /* None of these ISAs support Paired Single, so just fall back to
+ the single/double check. */
+ if ((fmt != fmt_single) && (fmt != fmt_double))
+ SignalException (ReservedInstruction, insn);
+}
+
+:function:::void:check_fmt_p:int fmt, instruction_word insn
+*mips32r2:
+*micromips32:
+{
+ if ((fmt != fmt_single) && (fmt != fmt_double) && (fmt != fmt_ps))
+ SignalException (ReservedInstruction, insn);
+}
+
+:function:::void:check_fmt_p:int fmt, instruction_word insn
+*mipsV:
+*mips64:
+*mips64r2:
+*micromips64:
+{
+ if ((fmt != fmt_single) && (fmt != fmt_double)
+ && (fmt != fmt_ps || (UserMode && (SR & (status_UX|status_PX)) == 0)))
+ SignalException (ReservedInstruction, insn);
+}
+
+
+// Helper:
+//
+// Check that the FPU is currently usable, and signal a CoProcessorUnusable
+// exception if not.
+//
+
+:function:::void:check_fpu:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*vr4100:
+*vr5000:
+*r3900:
+*micromips32:
+*micromips64:
+{
+ 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:
+*mips32r2:
+*micromips32:
+{
+ int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian);
+ address_word vaddr;
+ address_word paddr;
+ unsigned64 memval;
+ unsigned64 v;
+
+ paddr = 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);
+ }
+ LoadMemory (&memval, NULL, AccessLength_WORD, paddr, vaddr, isDATA, isREAL);
+ v = (unsigned64)memval;
+ LoadMemory (&memval, NULL, AccessLength_WORD, paddr + 4, vaddr + 4, isDATA,
+ isREAL);
+ return (bigendian ? ((v << 32) | memval) : (v | (memval << 32)));
+}
+
+
+// Helper:
+//
+// 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.
+//
+
+:function:::void:do_store_double:address_word base, address_word offset, unsigned64 v
+*mipsII:
+*mips32:
+*mips32r2:
+*micromips32:
+{
+ int bigendian = (BigEndianCPU ? ! ReverseEndian : ReverseEndian);
+ address_word vaddr;
+ address_word paddr;
+ unsigned64 memval;
+
+ paddr = 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);
+ }
+ memval = (bigendian ? (v >> 32) : (v & 0xFFFFFFFF));
+ StoreMemory (AccessLength_WORD, memval, 0, paddr, vaddr, isREAL);
+ memval = (bigendian ? (v & 0xFFFFFFFF) : (v >> 32));
+ StoreMemory (AccessLength_WORD, memval, 0, paddr + 4, vaddr + 4, isREAL);
+}
+
+
+010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt
"abs.%s<FMT> f<FD>, f<FS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_abs_fmt (SD_, FMT, FD, FS, instruction_0);
}
-010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt
+010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt
"add.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_add_fmt (SD_, FMT, FD, FS, FT, instruction_0);
}
+010011,5.RS,5.FT,5.FS,5.FD,011,110:COP1X:32,f::ALNV.PS
+"alnv.ps f<FD>, f<FS>, f<FT>, r<RS>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_alnv_ps (SD_, FD, FS, FT, RS, instruction_0);
+}
+
// BC1F
// BC1FL
010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a
"bc1%s<TF>%s<ND> <OFFSET>"
-*mipsI,mipsII,mipsIII:
+*mipsI:
+*mipsII:
+*mipsIII:
{
- check_branch_bug ();
+ check_fpu (SD_);
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)
"bc1%s<TF>%s<ND> <OFFSET>":CC == 0
"bc1%s<TF>%s<ND> <CC>, <OFFSET>"
*mipsIV:
-*vr5000:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
#*vr4100:
+*vr5000:
*r3900:
{
- check_branch_bug ();
+ check_fpu (SD_);
if (GETFCC(CC) == TF)
{
address_word dest = NIA + (EXTEND16 (OFFSET) << 2);
- mark_branch_bug (dest);
DELAY_SLOT (dest);
}
else if (ND)
}
-
-
-
-
-// C.EQ.S
-// C.EQ.D
-// ...
-
-:function:::void:do_c_cond_fmt:int fmt, int ft, int fs, int cc, int cond, instruction_word insn
-{
- if ((fmt != fmt_single) && (fmt != fmt_double))
- SignalException (ReservedInstruction, insn);
- else
- {
- int less;
- int equal;
- int unordered;
- int condition;
- unsigned64 ofs = ValueFPR (fs, fmt);
- unsigned64 oft = ValueFPR (ft, fmt);
- if (NaN (ofs, fmt) || NaN (oft, fmt))
- {
- if (FCSR & FP_ENABLE (IO))
- {
- FCSR |= FP_CAUSE (IO);
- SignalExceptionFPE ();
- }
- less = 0;
- equal = 0;
- unordered = 1;
- }
- else
- {
- less = Less (ofs, oft, fmt);
- equal = Equal (ofs, oft, fmt);
- unordered = 0;
- }
- condition = (((cond & (1 << 2)) && less)
- || ((cond & (1 << 1)) && equal)
- || ((cond & (1 << 0)) && unordered));
- SETFCC (cc, condition);
- }
-}
-
-010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32::C.cond.fmta
+010001,10,3.FMT!2!3!4!5!6!7,5.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:
+*mipsI:
+*mipsII:
+*mipsIII:
{
- do_c_cond_fmt (SD_, FMT, FT, FS, 0, COND, instruction_0);
+ int fmt = FMT;
+ check_fpu (SD_);
+ 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::C.cond.fmtb
+010001,10,3.FMT!2!3!4!5!7,5.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:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- do_c_cond_fmt (SD_, FMT, FT, FS, CC, COND, instruction_0);
+ do_c_cond_fmt (SD_, COND, FMT, CC, FS, FT, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001010:COP1:32,f::CEIL.L.fmt
"ceil.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_ceil_fmt (SD_, fmt_long, FMT, FD, FS, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001110:COP1:32,f::CEIL.W
+"ceil.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_ceil_fmt (SD_, fmt_word, FMT, FD, FS, instruction_0);
}
-// CFC1
-// CTC1
-010001,00,X,10,5.RT,5.FS,00000000000:COP1Sa:32::CxC1
-"c%s<X>c1 r<RT>, f<FS>"
+010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1a
+"cfc1 r<RT>, f<FS>"
*mipsI:
*mipsII:
*mipsIII:
{
- if (X)
- {
- if (FS == 0)
- PENDING_FILL(FCR0IDX,VL4_8(GPR[RT]));
- else if (FS == 31)
- PENDING_FILL(FCR31IDX,VL4_8(GPR[RT]));
- /* else NOP */
- PENDING_SCHED(FCSR, FCR31 & (1<<23), 1, 23);
- }
- else
- { /* control from */
- if (FS == 0)
- PENDING_FILL(RT,SIGNEXTEND(FCR0,32));
- else if (FS == 31)
- PENDING_FILL(RT,SIGNEXTEND(FCR31,32));
- /* else NOP */
- }
+ check_fpu (SD_);
+ if (FS == 0)
+ PENDING_FILL (RT, EXTEND32 (FCR0));
+ else if (FS == 31)
+ PENDING_FILL (RT, EXTEND32 (FCR31));
+ /* else NOP */
}
-010001,00,X,10,5.RT,5.FS,00000000000:COP1Sb:32::CxC1
-"c%s<X>c1 r<RT>, f<FS>"
+
+010001,00010,5.RT,5.FS,00000000000:COP1:32,f::CFC1b
+"cfc1 r<RT>, f<FS>"
*mipsIV:
*vr4100:
*vr5000:
*r3900:
{
- if (X)
+ check_fpu (SD_);
+ if (FS == 0 || FS == 31)
{
- /* control to */
- TRACE_ALU_INPUT1 (GPR[RT]);
- if (FS == 0)
- {
- FCR0 = VL4_8(GPR[RT]);
- TRACE_ALU_RESULT (FCR0);
- }
- else if (FS == 31)
- {
- FCR31 = VL4_8(GPR[RT]);
- SETFCC(0,((FCR31 & (1 << 23)) ? 1 : 0));
- TRACE_ALU_RESULT (FCR31);
- }
- else
- {
- TRACE_ALU_RESULT0 ();
- }
- /* else NOP */
- }
- else
- { /* control from */
- if (FS == 0)
- {
- TRACE_ALU_INPUT1 (FCR0);
- GPR[RT] = SIGNEXTEND (FCR0, 32);
- }
- else if (FS == 31)
- {
- TRACE_ALU_INPUT1 (FCR31);
- GPR[RT] = SIGNEXTEND (FCR31, 32);
- }
- TRACE_ALU_RESULT (GPR[RT]);
- /* else NOP */
+ 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:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_cfc1 (SD_, RT, FS);
+}
+
+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:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_ctc1 (SD_, RT, FS);
}
//
// 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!1!2!3!6!7,00000,5.FS,5.FD,100001:COP1:32,f::CVT.D.fmt
"cvt.d.%s<FMT> f<FD>, f<FS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_cvt_d_fmt (SD_, FMT, FD, FS, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,100101:COP1:32,f::CVT.L.fmt
"cvt.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_cvt_l_fmt (SD_, FMT, FD, FS, instruction_0);
+}
+
+
+010001,10,000,5.FT,5.FS,5.FD,100110:COP1:32,f::CVT.PS.S
+"cvt.ps.s f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_cvt_ps_s (SD_, FD, FS, FT, instruction_0);
}
//
// 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!0!2!3!6!7,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.fmt
"cvt.s.%s<FMT> f<FD>, f<FS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_cvt_s_fmt (SD_, FMT, FD, FS, instruction_0);
+}
+
+
+010001,10,110,00000,5.FS,5.FD,101000:COP1:32,f::CVT.S.PL
+"cvt.s.pl f<FD>, f<FS>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_cvt_s_pl (SD_, FD, FS, instruction_0);
+}
+
+
+010001,10,110,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.PU
+"cvt.s.pu f<FD>, f<FS>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_cvt_s_pu (SD_, FD, FS, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,100100:COP1:32,f::CVT.W.fmt
"cvt.w.%s<FMT> f<FD>, f<FS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_cvt_w_fmt (SD_, FMT, FD, FS, instruction_0);
}
-010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt
+010001,10,3.FMT!2!3!4!5!6!7,5.FT,5.FS,5.FD,000011:COP1:32,f::DIV.fmt
"div.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_div_fmt (SD_, FMT, FD, FS, FT, instruction_0);
}
-// DMFC1
-// DMTC1
-010001,00,X,01,5.RT,5.FS,00000000000:COP1Sa:64::DMxC1
-"dm%s<X>c1 r<RT>, f<FS>"
+010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1a
+"dmfc1 r<RT>, f<FS>"
*mipsIII:
{
- if (X)
- {
- if (SizeFGR() == 64)
- PENDING_FILL((FS + FGRIDX),GPR[RT]);
- else if ((FS & 0x1) == 0)
- {
- PENDING_FILL(((FS + 1) + FGRIDX),VH4_8(GPR[RT]));
- PENDING_FILL((FS + FGRIDX),VL4_8(GPR[RT]));
- }
- }
+ 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
- {
- if (SizeFGR() == 64)
- PENDING_FILL(RT,FGR[FS]);
- else if ((FS & 0x1) == 0)
- PENDING_FILL(RT,(SET64HI(FGR[FS+1]) | FGR[FS]));
- else
- {
- if (STATE_VERBOSE_P(SD))
- sim_io_eprintf (SD,
- "Warning: PC 0x%lx: semantic_DMxC1_COP1Sa 32-bit use of odd FPR number\n",
- (long) CIA);
- PENDING_FILL(RT,SET64HI(0xDEADC0DE) | 0xBAD0BAD0);
- }
- }
+ v = SET64HI (0xDEADC0DE) | 0xBAD0BAD0;
+ PENDING_FILL (RT, v);
+ TRACE_ALU_RESULT (v);
}
-010001,00,X,01,5.RT,5.FS,00000000000:COP1Sb:64::DMxC1
-"dm%s<X>c1 r<RT>, f<FS>"
+
+010001,00001,5.RT,5.FS,00000000000:COP1:64,f::DMFC1b
+"dmfc1 r<RT>, f<FS>"
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- if (X)
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ do_dmfc1b (SD_, RT, FS);
+}
+
+
+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)
{
- if (SizeFGR() == 64)
- StoreFPR (FS, fmt_uninterpreted_64, GPR[RT]);
- else if ((FS & 0x1) == 0)
- StoreFPR (FS, fmt_uninterpreted_64, SET64HI (FGR[FS+1]) | FGR[FS]);
+ PENDING_FILL (((FS + 1) + FGR_BASE), VH4_8 (GPR[RT]));
+ PENDING_FILL ((FS + FGR_BASE), VL4_8 (GPR[RT]));
}
else
- {
- if (SizeFGR() == 64)
- GPR[RT] = FGR[FS];
- else if ((FS & 0x1) == 0)
- GPR[RT] = SET64HI (FGR[FS+1]) | FGR[FS];
- else
- {
- if (STATE_VERBOSE_P(SD))
- sim_io_eprintf (SD,
- "Warning: PC 0x%lx: DMxC1 32-bit use of odd FPR number\n",
- (long) CIA);
- GPR[RT] = SET64HI (0xDEADC0DE) | 0xBAD0BAD0;
- }
- }
+ 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:
+*mips64r2:
+*vr4100:
+*vr5000:
+*r3900:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ do_dmtc1b (SD_, RT, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001011:COP1:32,f::FLOOR.L.fmt
"floor.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_floor_fmt (SD_, fmt_long, FMT, FD, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001111:COP1:32,f::FLOOR.W.fmt
"floor.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_floor_fmt (SD_, fmt_word, FMT, FD, FS);
+}
+
+
+110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1a
+"ldc1 f<FT>, <OFFSET>(r<BASE>)"
+*mipsII:
+*mips32:
+*mips32r2:
+{
+ check_fpu (SD_);
+ COP_LD (1, FT, do_load_double (SD_, GPR[BASE], EXTEND16 (OFFSET)));
}
-110101,5.BASE,5.FT,16.OFFSET:COP1:64::LDC1
+110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1b
"ldc1 f<FT>, <OFFSET>(r<BASE>)"
-*mipsI:
-*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
+ check_fpu (SD_);
COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET)));
}
-010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1
+010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:32,f::LDXC1
+"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
+*mips32r2:
+{
+ check_fpu (SD_);
+ COP_LD (1, FD, do_load_double (SD_, GPR[BASE], GPR[INDEX]));
+}
+
+
+010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64,f::LDXC1
"ldxc1 f<FD>, r<INDEX>(r<BASE>)"
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*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,000101:COP1X:32,f::LUXC1
+"luxc1 f<FD>, r<INDEX>(r<BASE>)"
+*mips32r2:
+{
+ do_luxc1_32 (SD_, FD, INDEX, BASE);
+}
+
-110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1
-"lwc1 f<FT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
-*vr4100:
-*vr5000:
-*r3900:
+010011,5.BASE,5.INDEX,5.0,5.FD,000101:COP1X:64,f::LUXC1
+"luxc1 f<FD>, r<INDEX>(r<BASE>)"
+*mipsV:
+*mips64:
+*mips64r2:
{
- COP_LW (1, FT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)));
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ do_luxc1_64 (SD_, FD, INDEX, BASE);
}
-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:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*vr4100:
*vr5000:
+*r3900:
{
- COP_LW (1, FD, do_load (SD_, AccessLength_WORD, GPR[BASE], GPR[INDEX]));
+ do_lwc1 (SD_, FT, OFFSET, BASE);
}
-
-//
-// FIXME: Not correct for mips*
-//
-010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32,f::MADD.D
-"madd.d f<FD>, f<FR>, f<FS>, f<FT>"
+010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32,f::LWXC1
+"lwxc1 f<FD>, r<INDEX>(r<BASE>)"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_lwxc1 (SD_, FD, INDEX, BASE, instruction_0);
}
-010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32,f::MADD.S
-"madd.s f<FD>, f<FR>, f<FS>, f<FT>"
+
+010011,5.FR,5.FT,5.FS,5.FD,100,3.FMT!2!3!4!5!7:COP1X:32,f::MADD.fmt
+"madd.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_madd_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
}
-// MFC1
-// MTC1
-010001,00,X,00,5.RT,5.FS,00000000000:COP1Sa:32::MxC1
-"m%s<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:
{
- if (X)
- { /*MTC1*/
- if (SizeFGR() == 64)
- {
- if (STATE_VERBOSE_P(SD))
- sim_io_eprintf (SD,
- "Warning: PC 0x%lx: MTC1 not DMTC1 with 64 bit regs\n",
- (long) CIA);
- PENDING_FILL ((FS + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[RT])));
- }
- else
- PENDING_FILL ((FS + FGRIDX), VL4_8(GPR[RT]));
- }
- else /*MFC1*/
- PENDING_FILL (RT, SIGNEXTEND(FGR[FS],32));
+ unsigned64 v;
+ check_fpu (SD_);
+ v = EXTEND32 (FGR[FS]);
+ PENDING_FILL (RT, v);
+ TRACE_ALU_RESULT (v);
}
-010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32::MxC1
-"m%s<X>c1 r<RT>, f<FS>"
+
+010001,00000,5.RT,5.FS,00000000000:COP1:32,f::MFC1b
+"mfc1 r<RT>, f<FS>"
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
-{
- int fs = FS;
- if (X)
- /*MTC1*/
- StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT]));
- else /*MFC1*/
- GPR[RT] = SIGNEXTEND(FGR[FS],32);
+{
+ do_mfc1b (SD_, RT, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt
+010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000110:COP1:32,f::MOV.fmt
"mov.%s<FMT> f<FD>, f<FS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_mov_fmt (SD_, FMT, FD, FS, instruction_0);
}
// MOVF
// MOVT
-000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf
+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:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr5000:
{
- if (GETFCC(CC) == TF)
- GPR[RD] = GPR[RS];
+ do_movtf (SD_, TF, RD, RS, CC);
}
// MOVF.fmt
// MOVT.fmt
-010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt
+010001,10,3.FMT!2!3!4!5!7,3.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:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_movtf_fmt (SD_, TF, FMT, FD, FS, CC);
}
-010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt
+010001,10,3.FMT!2!3!4!5!7,5.RT,5.FS,5.FD,010011:COP1:32,f::MOVN.fmt
"movn.%s<FMT> f<FD>, f<FS>, r<RT>"
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr5000:
{
- if (GPR[RT] != 0)
- StoreFPR (FD, FMT, ValueFPR (FS, FMT));
- else
- StoreFPR (FD, FMT, ValueFPR (FD, FMT));
+ do_movn_fmt (SD_, FMT, FD, FS, RT);
}
-010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt
+010001,10,3.FMT!2!3!4!5!7,5.RT,5.FS,5.FD,010010:COP1:32,f::MOVZ.fmt
"movz.%s<FMT> f<FD>, f<FS>, r<RT>"
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr5000:
{
- if (GPR[RT] == 0)
- StoreFPR (FD, FMT, ValueFPR (FS, FMT));
- else
- StoreFPR (FD, FMT, ValueFPR (FD, FMT));
+ do_movz_fmt (SD_, FMT, FD, FS, RT);
}
-// 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!2!3!4!5!7:COP1X:32,f::MSUB.fmt
+"msub.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_msub_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
}
-// 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:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
+*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));
- }
+ do_mtc1b (SD_, RT, FS);
}
-// MTC1 see MxC1
-
-
-010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt
+010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000010:COP1:32,f::MUL.fmt
"mul.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_mul_fmt (SD_, FMT, FD, FS, FT, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt
+010001,10,3.FMT!2!3!4!5!7,00000,5.FS,5.FD,000111:COP1:32,f::NEG.fmt
"neg.%s<FMT> f<FD>, f<FS>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_neg_fmt (SD_, FMT, FD, FS, instruction_0);
}
-// 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!2!3!4!5!7:COP1X:32,f::NMADD.fmt
+"nmadd.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_nmadd_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
}
-// 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!2!3!4!5!7:COP1X:32,f::NMSUB.fmt
+"nmsub.%s<FMT> f<FD>, f<FR>, f<FS>, f<FT>"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_nmsub_fmt (SD_, FMT, FD, FR, FS, FT, instruction_0);
}
-// 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:
-*vr5000:
+010001,10,110,5.FT,5.FS,5.FD,101100:COP1:32,f::PLL.PS
+"pll.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
{
- 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));
- }
+ do_pll_ps (SD_, FD, FS, FT, instruction_0);
}
-// 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:
-*vr5000:
+010001,10,110,5.FT,5.FS,5.FD,101101:COP1:32,f::PLU.PS
+"plu.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
{
- 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));
- }
+ do_plu_ps (SD_, FD, FS, FT, instruction_0);
}
-010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX
+010011,5.BASE,5.INDEX,5.HINT,00000,001111:COP1X:32::PREFX
"prefx <HINT>, r<INDEX>(r<BASE>)"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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 vaddr = ((unsigned64)op1 + (unsigned64)op2);
- address_word paddr;
- int uncached;
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- Prefetch(uncached,paddr,vaddr,isDATA,fs);
- }
+ do_prefx (SD_, HINT, INDEX, BASE);
+}
+
+
+010001,10,110,5.FT,5.FS,5.FD,101110:COP1:32,f::PUL.PS
+"pul.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_pul_ps (SD_, FD, FS, FT, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt
+
+010001,10,110,5.FT,5.FS,5.FD,101111:COP1:32,f::PUU.PS
+"puu.ps f<FD>, f<FS>, f<FT>"
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
+{
+ do_puu_ps (SD_, FD, FS, FT, instruction_0);
+}
+
+
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,010101:COP1:32,f::RECIP.fmt
"recip.%s<FMT> f<FD>, f<FS>"
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_recip_fmt (SD_, FMT, FD, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001000:COP1:32,f::ROUND.L.fmt
"round.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_round_fmt (SD_, fmt_long, FMT, FD, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001100:COP1:32,f::ROUND.W.fmt
"round.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_round_fmt (SD_, fmt_word, FMT, FD, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt
-*mipsIV:
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,010110:COP1:32,f::RSQRT.fmt
"rsqrt.%s<FMT> f<FD>, f<FS>"
+*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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));
- }
+ do_rsqrt_fmt (SD_, FMT, FD, FS);
}
-111101,5.BASE,5.FT,16.OFFSET:COP1:64::SDC1
+111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1a
"sdc1 f<FT>, <OFFSET>(r<BASE>)"
-*mipsI:
*mipsII:
+*mips32:
+*mips32r2:
+{
+ do_sdc1 (SD_, FT, OFFSET, BASE);
+}
+
+
+111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1b
+"sdc1 f<FT>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
+ check_fpu (SD_);
do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT));
}
-010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64::SDXC1
-"ldxc1 f<FS>, r<INDEX>(r<BASE>)"
+010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:32,f::SDXC1
+"sdxc1 f<FS>, r<INDEX>(r<BASE>)"
+*mips32r2
+{
+ check_fpu (SD_);
+ do_store_double (SD_, GPR[BASE], GPR[INDEX], COP_SD (1, FS));
+}
+
+
+010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64,f::SDXC1
+"sdxc1 f<FS>, r<INDEX>(r<BASE>)"
*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
*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::SQRT.fmt
+010011,5.BASE,5.INDEX,5.FS,00000,001101:COP1X:32,f::SUXC1
+"suxc1 f<FS>, r<INDEX>(r<BASE>)"
+*mips32r2:
+{
+ do_suxc1_32 (SD_, FS, INDEX, BASE);
+}
+
+
+010011,5.BASE,5.INDEX,5.FS,00000,001101:COP1X:64,f::SUXC1
+"suxc1 f<FS>, r<INDEX>(r<BASE>)"
+*mipsV:
+*mips64:
+*mips64r2:
+{
+ check_fpu (SD_);
+ check_u64 (SD_, instruction_0);
+ do_suxc1_64 (SD_, FS, INDEX, BASE);
+}
+
+
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,000100:COP1:32,f::SQRT.fmt
"sqrt.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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)));
- }
+ do_sqrt_fmt (SD_, FMT, FD, FS);
}
-010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt
+010001,10,3.FMT!2!3!4!5!7,5.FT,5.FS,5.FD,000001:COP1:32,f::SUB.fmt
"sub.%s<FMT> f<FD>, f<FS>, f<FT>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format));
- }
+ do_sub_fmt (SD_, FMT, FD, FS, FT, instruction_0);
}
-111001,5.BASE,5.FT,16.OFFSET:COP1:32::SWC1
+111001,5.BASE,5.FT,16.OFFSET:COP1:32,f::SWC1
"swc1 f<FT>, <OFFSET>(r<BASE>)"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- unsigned32 instruction = instruction_0;
- signed_word offset = EXTEND16 (OFFSET);
- int destreg UNUSED = ((instruction >> 16) & 0x0000001F);
- signed_word op1 UNUSED = GPR[((instruction >> 21) & 0x0000001F)];
- {
- address_word vaddr = ((uword64)op1 + 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
- {
- 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 >> 26) & 0x3),destreg)) << (8 * byte));
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
+ do_swc1 (SD_, FT, OFFSET, BASE, instruction_0);
}
-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:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*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 vaddr = ((unsigned64)op1 + op2);
- address_word paddr;
- int uncached;
- if ((vaddr & 3) != 0)
- {
- 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))
- {
- 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(1,fs)) << (8 * byte));
- {
- StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL);
- }
- }
- }
- }
+ do_swxc1 (SD_, FS, INDEX, BASE, instruction_0);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001001:COP1:32,f::TRUNC.L.fmt
"trunc.l.%s<FMT> f<FD>, f<FS>"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_trunc_fmt (SD_, fmt_long, FMT, FD, FS);
}
-010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W
+010001,10,3.FMT!2!3!4!5!6!7,00000,5.FS,5.FD,001101:COP1:32,f::TRUNC.W
"trunc.w.%s<FMT> f<FD>, f<FS>"
*mipsII:
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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));
- }
+ do_trunc_fmt (SD_, fmt_word, FMT, FD, FS);
}
\f
010000,01000,00000,16.OFFSET:COP0:32::BC0F
"bc0f <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
010000,01000,00010,16.OFFSET:COP0:32::BC0FL
"bc0fl <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
010000,01000,00001,16.OFFSET:COP0:32::BC0T
"bc0t <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
010000,01000,00011,16.OFFSET:COP0:32::BC0TL
"bc0tl <OFFSET>"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE
+"cache <OP>, <OFFSET>(r<BASE>)"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
*r3900:
{
- 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 paddr;
- int uncached;
- if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL))
- CacheOp(hint,vaddr,paddr,instruction);
+ address_word vaddr = loadstore_ea (SD_, base, offset);
+ address_word paddr = vaddr;
+ CacheOp(OP, vaddr, paddr, instruction_0);
}
}
-010000,10000,000000000000000,111001:COP0:32::DI
-"di"
-*mipsI,mipsII,mipsIII,mipsIV:
-*vr4100:
-*vr5000:
-
-
-010000,00001,5.RT,5.RD,000,0000,0000:COP0:64::DMFC0
+010000,00001,5.RT,5.RD,00000000,3.SEL:COP0:64::DMFC0
"dmfc0 r<RT>, r<RD>"
-*mipsIII,mipsIV:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
{
- DecodeCoproc (instruction_0);
+ check_u64 (SD_, instruction_0);
+ DecodeCoproc (instruction_0, 0, cp0_dmfc0, RT, RD, SEL);
}
-010000,00101,5.RT,5.RD,000,0000,0000:COP0:64::DMTC0
+010000,00101,5.RT,5.RD,00000000,3.SEL:COP0:64::DMTC0
"dmtc0 r<RT>, r<RD>"
-*mipsIII,mipsIV:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips64:
+*mips64r2:
{
- DecodeCoproc (instruction_0);
+ check_u64 (SD_, instruction_0);
+ DecodeCoproc (instruction_0, 0, cp0_dmtc0, RT, RD, SEL);
}
-010000,10000,000000000000000,111000:COP0:32::EI
-"ei"
-*mipsI,mipsII,mipsIII,mipsIV:
-*vr4100:
-*vr5000:
-
-
-010000,10000,000000000000000,011000:COP0:32::ERET
+010000,1,0000000000000000000,011000:COP0:32::ERET
"eret"
*mipsIII:
*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
{
}
-010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0
-"mfc0 r<RT>, r<RD> # <REGX>"
-*mipsI,mipsII,mipsIII,mipsIV:
-*r3900:
+010000,00000,5.RT,5.RD,00000000,3.SEL:COP0:32::MFC0
+"mfc0 r<RT>, r<RD> # <SEL>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
+*r3900:
{
TRACE_ALU_INPUT0 ();
- DecodeCoproc (instruction_0);
+ DecodeCoproc (instruction_0, 0, cp0_mfc0, RT, RD, SEL);
TRACE_ALU_RESULT (GPR[RT]);
}
-010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0
-"mtc0 r<RT>, r<RD> # <REGX>"
-*mipsI,mipsII,mipsIII,mipsIV:
-*r3900:
+010000,00100,5.RT,5.RD,00000000,3.SEL:COP0:32::MTC0
+"mtc0 r<RT>, r<RD> # <SEL>"
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
+*r3900:
{
- DecodeCoproc (instruction_0);
+ DecodeCoproc (instruction_0, 0, cp0_mtc0, RT, RD, SEL);
}
-010000,10000,000000000000000,010000:COP0:32::RFE
+010000,1,0000000000000000000,010000:COP0:32::RFE
"rfe"
-*mipsI,mipsII,mipsIII,mipsIV:
-*r3900:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
*vr4100:
*vr5000:
+*r3900:
{
- DecodeCoproc (instruction_0);
+ DecodeCoproc (instruction_0, 0, cp0_rfe, 0, 0, 0x10);
}
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:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*r3900:
{
- DecodeCoproc (instruction_0);
+ DecodeCoproc (instruction_0, 2, 0, 0, 0, 0);
}
-010000,10000,000000000000000,001000:COP0:32::TLBP
+010000,1,0000000000000000000,001000:COP0:32::TLBP
"tlbp"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
-010000,10000,000000000000000,000001:COP0:32::TLBR
+010000,1,0000000000000000000,000001:COP0:32::TLBR
"tlbr"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
-010000,10000,000000000000000,000010:COP0:32::TLBWI
+010000,1,0000000000000000000,000010:COP0:32::TLBWI
"tlbwi"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
-010000,10000,000000000000000,000110:COP0:32::TLBWR
+010000,1,0000000000000000000,000110:COP0:32::TLBWR
"tlbwr"
-*mipsI,mipsII,mipsIII,mipsIV:
+*mipsI:
+*mipsII:
+*mipsIII:
+*mipsIV:
+*mipsV:
+*mips32:
+*mips32r2:
+*mips64:
+*mips64r2:
*vr4100:
*vr5000:
-\f
+
+:include:::mips3264r2.igen
:include:::m16.igen
+:include:::m16e.igen
+:include:::mdmx.igen
+:include:::mips3d.igen
+:include:::sb1.igen
:include:::tx.igen
:include:::vr.igen
-\f
+:include:::dsp.igen
+:include:::dsp2.igen
+:include:::smartmips.igen
+:include:::micromips.igen
+:include:::micromipsdsp.igen
+