From c0a4c3ba170e91bf93d16e0a6340980f6d62901a Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Tue, 14 Apr 1998 14:34:48 +0000 Subject: [PATCH] Implement 32 bit MIPS16 instructions listed in m16.igen. --- sim/mips/ChangeLog | 24 +- sim/mips/Makefile.in | 2 +- sim/mips/m16.igen | 3118 +++++++++--------------------------------- sim/mips/m16run.c | 73 + sim/mips/mips.igen | 409 ++++-- sim/mips/sim-main.h | 12 +- 6 files changed, 1078 insertions(+), 2560 deletions(-) create mode 100644 sim/mips/m16run.c diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index 499e2b48b5..fcc40e7b4e 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,5 +1,23 @@ +Wed Apr 15 00:17:25 1998 Andrew Cagney + + * m16run.c (sim_engine_run): Use IMEM16 and IMEM32 to fetch an + instruction. + + * m16.igen: Implement MIPS16 instructions. + + * mips.igen (do_addiu, do_addu, do_and, do_daddiu, do_daddu, + do_ddiv, do_ddivu, do_div, do_divu, do_dmultx, do_dmultu, do_srav, + do_dsubu, do_mfhi, do_mflo, do_mult, do_multu, do_nor, do_or, + do_sll, do_sllv, do_slt, do_slti, do_sltiu, do_sltu, do_sra, + do_srl, do_srlv, do_subu, do_xor, do_xori): New functions. Move + bodies of corresponding code from 32 bit insn to these. Also used + by MIPS16 versions of functions. + + * sim-main.h (RAIDX, T8IDX, T8, SPIDX): Define. + (IMEM16): Drop NR argument from macro. + start-sanitize-sky - Mon Apr 13 16:28:52 1998 Frank Ch. Eigler +Mon Apr 13 16:28:52 1998 Frank Ch. Eigler * interp.c (decode_coproc): Add proper 1000000 bit-string at top of VU lower instruction. @@ -15,7 +33,7 @@ Thu Apr 9 16:38:23 1998 Frank Ch. Eigler end-sanitize-sky start-sanitize-sky - Wed Apr 8 18:12:13 1998 Frank Ch. Eigler +Wed Apr 8 18:12:13 1998 Frank Ch. Eigler * Makefile.in (SIM_SKY_OBJS): Added sky-vudis.o. @@ -25,7 +43,7 @@ start-sanitize-sky end-sanitize-sky start-sanitize-sky - Tue Apr 7 18:32:49 1998 Frank Ch. Eigler +Tue Apr 7 18:32:49 1998 Frank Ch. Eigler * interp.c (decode_coproc): Do not apply superfluous E (end) flag to upper code of generated VU instruction. diff --git a/sim/mips/Makefile.in b/sim/mips/Makefile.in index 28ae81c45b..4f3bb2f9f2 100644 --- a/sim/mips/Makefile.in +++ b/sim/mips/Makefile.in @@ -120,7 +120,7 @@ getopt1.o: $(srcdir)/../../libiberty/getopt1.c ../igen/igen: cd ../igen && $(MAKE) -IGEN_TRACE= -G omit-line-numbers # -G trace-rule-selection -G trace-rule-rejection -G trace-entries +IGEN_TRACE= # -G omit-line-numbers # -G trace-rule-selection -G trace-rule-rejection -G trace-entries # -G trace-all IGEN_INSN=$(srcdir)/mips.igen IGEN_DC=$(srcdir)/mips.dc M16_DC=$(srcdir)/m16.dc diff --git a/sim/mips/m16.igen b/sim/mips/m16.igen index b80960305c..d69fd3153f 100644 --- a/sim/mips/m16.igen +++ b/sim/mips/m16.igen @@ -1,3 +1,5 @@ +// -*- C -*- +// // // MIPS Architecture: // @@ -8,2661 +10,899 @@ // to http://www.sgi.com/MIPS/arch/MIPS16/mips16.pdf. -// FIXME: Instead of having the code for mips16 instructions here. -// these instructions should instead call the corresponding 32bit -// instruction (or a function implementing that instructions code). +// The MIPS16 codes registers in a special way, map from one to the other. +// ::::::: +:compute:::int:TRX:RX:((RX < 2) ? (16 + RX) \: RX) +:compute:::int:TRY:RY:((RY < 2) ? (16 + RY) \: RY) +:compute:::int:TRZ:RZ:((RZ < 2) ? (16 + RZ) \: RZ) +:compute:::int:SHIFT:SHAMT:((SHAMT == 0) ? 8 \: SHAMT) + + +// FIXME: +// +// Only the `LB' instruction is implemented. It should be used as a guideline +// when implementing other instructions. +// +// How to handle delayslots (for jumps) and extended lwpc instructions +// has not been resolved. + + +011101,26.INSTR_INDEX:NORMAL:32::JALX +*r3900: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +/// { +/// } // Load and Store Instructions -10000,xxx,ddd,55555:RRI:16::LB +10000,3.RX,3.RY,5.IMMED:RRI:16::LB *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 0; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8)); - } - } - } + GPR[TRY] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[TRX], IMMED)); } -10100,xxx,ddd,55555:RRI:16::LBU +10100,3.RX,3.RY,5.IMMED:RRI:16::LBU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 0; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF)); - } - } - } + GPR[TRY] = do_load (SD_, AccessLength_BYTE, GPR[TRX], IMMED); } -10001,xxx,ddd,HHHHH:RRI:16::LH +10001,3.RX,3.RY,5.IMMED:RRI:16::LH *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 1; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 1) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 1; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16)); - } - } - } -} - - -10101,xxx,ddd,HHHHH:RRI:16::LHU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 1; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 1) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 1; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF)); - } - } - } -} - - -10011,xxx,ddd,WWWWW:RRI:16::LW -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 2; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); - } - } - } -} - - -10110,ddd,VVVVVVVV,P:RI:16::LWPC -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - int offset = (instruction >> 0) & 0xff; - signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 2; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); - } - } - } -} - - -10010,ddd,VVVVVVVV,s:RI:16::LWSP -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - int offset = (instruction >> 0) & 0xff; - signed_word op1 = 29; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 2; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); - } - } - } -} - - -10111,xxx,ddd,WWWWW:RRI:16::LWU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 2; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); - byte = ((vaddr & mask) ^ (bigend << shift)); - GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF)); - } - } - } -} - - -00111,xxx,ddd,DDDDD:RRI:16::LD -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 3; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 4; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); - GPR[destreg] = memval; - } - } - } -} - - -11111100,ddd,5.RD,P:RI64:16::LDPC -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x7; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 3; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 4; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); - GPR[destreg] = memval; - } - } - } -} - - -11111000,ddd,5.RD,s:RI64:16::LDSP -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - signed_word op1 = 29; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 3; - } - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - SignalExceptionAddressLoad(); - else - { - if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 4; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); - GPR[destreg] = memval; - } - } - } -} - - -11000,xxx,yyy,55555:RRI:16::SB -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 0; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - byte = ((vaddr & mask) ^ (bigend << shift)); - memval = ((unsigned64) op2 << (8 * byte)); - { - StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } + GPR[TRY] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1)); } -11001,xxx,yyy,HHHHH:RRI:16::SH +10101,3.RX,3.RY,5.IMMED:RRI:16::LHU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 1; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 1) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int shift = 1; - unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); - unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); - byte = ((vaddr & mask) ^ (bigend << shift)); - memval = ((unsigned64) op2 << (8 * byte)); - { - StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } -} - - -11011,xxx,yyy,WWWWW:RRI:16::SW -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); - byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = ((unsigned64) op2 << (8 * byte)); - { - StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } -} - - -11010,yyy,VVVVVVVV,s:RI:16::SWSP -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op2 = (instruction >> 8) & 0x7; - int offset = (instruction >> 0) & 0xff; - signed_word op1 = 29; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); - byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = ((unsigned64) op2 << (8 * byte)); - { - StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } -} - - -01100010,VVVVVVVV,Q,s:I8:16::SWRASP -*mips16: -{ - unsigned32 instruction = instruction_0; - int offset = (instruction >> 0) & 0xff; - signed_word op2 = 31; - signed_word op1 = 29; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 2; - } - op2 = GPR[op2]; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 3) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - unsigned64 mask = 0x7; - unsigned int byte; - paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); - byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); - memval = ((unsigned64) op2 << (8 * byte)); - { - StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } -} - - -01111,xxx,yyy,DDDDD:RRI:16::SD -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 3; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - memval = op2; - { - StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } -} - - -11111001,yyy,5.RD,s:RI64:16::SDSP -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op2 = (instruction >> 5) & 0x7; - int offset = (instruction >> 0) & 0x1f; - signed_word op1 = 29; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 3; - } - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - memval = op2; - { - StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } -} - - -11111010,CCCCCCCC,s,Q:I64:16::SDRASP -*mips16: -{ - unsigned32 instruction = instruction_0; - int offset = (instruction >> 0) & 0xff; - signed_word op1 = 29; - signed_word op2 = 31; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - offset <<= 3; - } - op1 = GPR[op1]; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - address_word vaddr = ((unsigned64)op1 + offset); - address_word paddr; - int uncached; - if ((vaddr & 7) != 0) - SignalExceptionAddressStore(); - else - { - if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) - { - unsigned64 memval = 0; - unsigned64 memval1 = 0; - memval = op2; - { - StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); - } - } - } - } + GPR[TRY] = do_load (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1); +} + + +10011,3.RX,3.RY,5.IMMED:RRI:16::LW +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRY] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2)); +} + + +10110,3.RX,8.IMMED:RI:16::LWPC +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, + basepc (SD_) & ~3, IMMED << 2)); +} + + +10010,3.RX,8.IMMED:RI:16::LWSP +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, SP, IMMED << 2)); +} + + +10111,3.RX,3.RY,5.IMMED:RRI:16::LWU +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRY] = do_load (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2); +} + + +00111,3.RX,3.RY,5.IMMED:RRI:16,64::LD +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, GPR[TRX], IMMED << 3); +} + + +11111,100,3.RY,5.IMMED:RI64:16::LDPC +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, + basepc (SD_) & ~7, IMMED << 3); +} + + +11111,000,3.RY,5.IMMED:RI64:16::LDSP +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3); +} + + +11000,3.RX,3.RY,5.IMMED:RRI:16::SB +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_BYTE, GPR[TRX], IMMED, GPR[TRY]); +} + + +11001,3.RX,3.RY,5.IMMED:RRI:16::SH +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1, GPR[TRY]); +} + + +11011,3.RX,3.RY,5.IMMED:RRI:16::SW +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2, GPR[TRY]); +} + + +11010,3.RX,8.IMMED:RI:16::SWSP +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_WORD, SP, IMMED << 2, GPR[TRX]); +} + + +01100,010,8.IMMED:I8:16::SWRASP +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_WORD, SP, IMMED << 2, RA); +} + + +01111,3.RX,3.RY,5.IMMED:RRI:16::SD +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_DOUBLEWORD, GPR[TRX], IMMED << 3, GPR[TRY]); +} + + +11111,001,3.RY,5.IMMED:RI64:16::SDSP +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3, GPR[TRY]); +} + + +11111,010,8.IMMED:I64:16::SDRASP +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_store (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3, RA); } // ALU Immediate Instructions -01101,ddd,UUUUUUUU,Z:RI:16::LI +01101,3.RX,8.IMMED::RI:16::LI *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - int op2 = (instruction >> 0) & 0xff; - signed_word op1 = 0; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if (destreg != 0) - GPR[destreg] = (op1 | op2); - } + do_ori (SD_, 0, TRX, IMMED); } -01000,xxx,ddd,04444:RRI_A:16::ADDIU +01000,3.RX,3.RY,0,4.IMMED:RRI_A:16::ADDIU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int op2 = (instruction >> 0) & 0xf; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0xf) << 11) | (extendval & 0x7f0); - if (op2 >= 0x4000) - op2 -= 0x8000; - have_extendval = 0; - } - else - { - if (op2 >= 0x8) - op2 -= 0x10; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 + op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } + do_addiu (SD_, TRX, TRY, EXTEND4 (IMMED)); } -01001,www,kkkkkkkk:RI:16::ADDIU8 +01001,3.RX,8.IMMED:RI:16::ADDIU8 *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg; - int op2 = (instruction >> 0) & 0xff; - if (op1 < 2) - op1 += 16; - destreg = op1; - op1 = GPR[op1]; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - if (op2 >= 0x80) - op2 -= 0x100; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 + op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } + do_addiu (SD_, TRX, TRX, EXTEND8 (IMMED)); } -01100011,KKKKKKKK,S:I8:16::ADJSP +01100,011,8.IMMED:I8:16::ADJSP *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int op2 = (instruction >> 0) & 0xff; - signed_word op1 = 29; - int destreg; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - if (op2 >= 0x80) - op2 -= 0x100; - op2 <<= 3; - } - destreg = op1; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 + op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } + do_addiu (SD_, SPIDX, SPIDX, EXTEND8 (IMMED) << 3); } -00001,ddd,AAAAAAAA,P:RI:16::ADDIUPC +00001,3.RX,8.IMMED:RI:16::ADDIUPC *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - int op2 = (instruction >> 0) & 0xff; - signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - op2 <<= 2; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 + op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } + unsigned32 temp = (basepc (SD_) & ~3) + (EXTEND8 (IMMED) << 2); + GPR[TRX] = EXTEND32 (temp); } -00000,ddd,AAAAAAAA,s:RI:16::ADDIUSP +00000,3.RX,8.IMMED:RI:16::ADDIUSP *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - int op2 = (instruction >> 0) & 0xff; - signed_word op1 = 29; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - op2 <<= 2; - } - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 + op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } -} - - -01000,xxx,ddd,14444:RRI_A:16::DADDIU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = (instruction >> 5) & 0x7; - int op2 = (instruction >> 0) & 0xf; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0xf) << 11) | (extendval & 0x7f0); - if (op2 >= 0x4000) - op2 -= 0x8000; - have_extendval = 0; - } - else - { - if (op2 >= 0x8) - op2 -= 0x10; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 + op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } + do_addiu (SD_, SPIDX, TRX, EXTEND8 (IMMED) << 2); } -11111101,www,jjjjj:RI64:16::DADDIU5 +01000,3.RX,3.RY,1,4.IMMED:RRI_A:16,64::DADDIU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 5) & 0x7; - int destreg; - int op2 = (instruction >> 0) & 0x1f; - if (op1 < 2) - op1 += 16; - destreg = op1; - op1 = GPR[op1]; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - if (op2 >= 0x10) - op2 -= 0x20; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 + op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } + do_daddiu (SD_, TRX, TRY, EXTEND4 (IMMED)); } -11111011,KKKKKKKK,S:I64:16::DADJSP +11111,101,3.RY,5.IMMED:RI64:16,64::DADDIU5 *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int op2 = (instruction >> 0) & 0xff; - signed_word op1 = 29; - int destreg; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - if (op2 >= 0x80) - op2 -= 0x100; - op2 <<= 3; - } - destreg = op1; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 + op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } + do_daddiu (SD_, TRY, TRY, EXTEND5 (IMMED)); } -11111110,ddd,EEEEE,P:RI64:16::DADDIUPC +11111,011,8.IMMED:I64:16,64::DADJSP *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 5) & 0x7; - int op2 = (instruction >> 0) & 0x1f; - signed_word op1 = ((INDELAYSLOT () ? (INJALDELAYSLOT () ? IPC - 4 : IPC - 2) : (have_extendval ? IPC - 2 : IPC)) & ~ (unsigned64) 1) & ~ (unsigned64) 0x3; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - op2 <<= 2; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 + op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } + do_daddiu (SD_, SPIDX, SPIDX, EXTEND8 (IMMED) << 3); } -11111111,ddd,EEEEE,s:RI64:16::DADDIUSP +11111,110,3.RY,5.IMMED:RI64:16,64::DADDIUPC *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 5) & 0x7; - int op2 = (instruction >> 0) & 0x1f; - signed_word op1 = 29; - if (destreg < 2) - destreg += 16; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - op2 <<= 2; - } - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 + op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } + GPR[TRY] = (basepc (SD_) & ~3) + (EXTEND5 (IMMED) << 2); } -01010,xxx,88888888,T:RI:16::SLTI +11111,111,3.RY,5.IMMED:RI64:16,64::DADDIUSP *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int op2 = (instruction >> 0) & 0xff; - int destreg = 24; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if ((word64)op1 < (word64)op2) - GPR[destreg] = 1; - else - GPR[destreg] = 0; - } + do_daddiu (SD_, SPIDX, TRY, EXTEND5 (IMMED) << 2); } -01011,xxx,88888888,T:RI:16::SLTIU +01010,3.RX,8.IMMED:RI:16::SLTI *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int op2 = (instruction >> 0) & 0xff; - int destreg = 24; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (op2 >= 0x8000) - op2 -= 0x10000; - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if ((unsigned64)op1 < (unsigned64)op2) - GPR[destreg] = 1; - else - GPR[destreg] = 0; - } + do_slti (SD_, TRX, T8IDX, IMMED); } -11101,xxx,yyy,01010,T:RR:16::CMP +01011,3.RX,8.IMMED:RI:16::SLTIU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = 24; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = (op1 ^ op2); - } + do_sltiu (SD_, TRX, T8IDX, IMMED); } -01110,xxx,UUUUUUUU,T:RI:16::CMPI +11101,3.RX,3.RY,01010:RR:16::CMP *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int op2 = (instruction >> 0) & 0xff; - int destreg = 24; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - { - op2 |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - have_extendval = 0; - } - else - { - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = (op1 ^ op2); - } + do_xor (SD_, TRX, TRY, T8IDX); +} + + +01110,3.RX,8.IMMED:RI:16::CMPI +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_xori (SD_, TRX, T8IDX, IMMED); } // Two/Three Operand, Register-Type -11100,xxx,yyy,ddd,01:RRR:16::ADDU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = (instruction >> 2) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 + op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } -} - - -11100,xxx,yyy,ddd,11:RRR:16::SUBU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = (instruction >> 2) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 - op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } -} - - -11100,xxx,yyy,ddd,00:RRR:16::DADDU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = (instruction >> 2) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 + op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } -} - - -11100,xxx,yyy,ddd,10:RRR:16::DSUBU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = (instruction >> 2) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (destreg < 2) - destreg += 16; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 temp = (unsigned64)(op1 - op2); - word64 tempS = (word64)temp; - GPR[destreg] = (unsigned64)temp; - } -} - - -11101,xxx,yyy,00010,T:RR:16::SLT -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = 24; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if ((word64)op1 < (word64)op2) - GPR[destreg] = 1; - else - GPR[destreg] = 0; - } -} - - -11101,xxx,yyy,00011,T:RR:16::SLTU -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg = 24; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if ((unsigned64)op1 < (unsigned64)op2) - GPR[destreg] = 1; - else - GPR[destreg] = 0; - } -} - - -11101,ddd,yyy,01011,Z:RR:16::NEG -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - signed_word op1 = 0; - if (destreg < 2) - destreg += 16; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int temp = (unsigned int)(op1 - op2); - signed int tempS = (signed int)temp; - GPR[destreg] = SIGNEXTEND(((unsigned64)temp),32); - } -} - - -11101,www,yyy,01100:RR:16::AND -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - destreg = op1; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = (op1 & op2); - } -} - - -11101,www,yyy,01101:RR:16::OR -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - destreg = op1; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if (destreg != 0) - GPR[destreg] = (op1 | op2); - } -} - - -11101,www,yyy,01110:RR:16::XOR -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - destreg = op1; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = (op1 ^ op2); - } -} - - -11101,ddd,yyy,01111,Z:RR:16::NOT -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - signed_word op1 = 0; - if (destreg < 2) - destreg += 16; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if (destreg != 0) - GPR[destreg] = ~(op1 | op2); - } -} - - -01100111,ddd,XXXXX,z:I8_MOVR32:16::MOVR32 -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 5) & 0x7; - signed_word op1 = (instruction >> 0) & 0x1f; - signed_word op2 = 0; - if (destreg < 2) - destreg += 16; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if (destreg != 0) - GPR[destreg] = (op1 | op2); - } -} - - -01100101,YYYYY,xxx,z:I8_MOV32R:16::MOV32R -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 3) & 0x1f; - signed_word op1 = (instruction >> 0) & 0x7; - signed_word op2 = 0; - destreg = (destreg >> 2) | ((destreg & 3) << 3); - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - if (destreg != 0) - GPR[destreg] = (op1 | op2); - } -} - - -00110,ddd,yyy,sss,00:ISHIFT:16::SLL -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int op1 = (instruction >> 2) & 0x7; - if (destreg < 2) - destreg += 16; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - op1 = (extendval >> 6) & 0x1f; - have_extendval = 0; - } - else - { - if (op1 == 0) - op1 = 8; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = ((unsigned64)op2 << op1); - GPR[destreg] = SIGNEXTEND(GPR[destreg],32); - } +11100,3.RX,3.RY,3.RZ,01:RRR:16::ADDU +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_addu (SD_, TRX, TRY, TRZ); } -00110,ddd,yyy,sss,10:ISHIFT:16::SRL +11100,3.RX,3.RY,3.RZ,11:RRR:16::SUBU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int op1 = (instruction >> 2) & 0x7; - if (destreg < 2) - destreg += 16; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - op1 = (extendval >> 6) & 0x1f; - have_extendval = 0; - } - else - { - if (op1 == 0) - op1 = 8; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1); - GPR[destreg] = SIGNEXTEND(GPR[destreg],32); - } + do_subu (SD_, TRX, TRY, TRZ); } -00110,ddd,yyy,sss,11:ISHIFT:16::SRA +11100,3.RX,3.RY,3.RZ,00:RRR:16,64::DADDU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int op1 = (instruction >> 2) & 0x7; - if (destreg < 2) - destreg += 16; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - op1 = (extendval >> 6) & 0x1f; - have_extendval = 0; - } - else - { - if (op1 == 0) - op1 = 8; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int highbit = (unsigned int)1 << 31; - GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1); - GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned int)1 << op1) - 1) << (32 - op1)) : 0); - GPR[destreg] = SIGNEXTEND(GPR[destreg],32); - } -} - - -11101,xxx,vvv,00100:RR:16::SLLV -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - op1 &= 0x1F; - GPR[destreg] = ((unsigned64)op2 << op1); - GPR[destreg] = SIGNEXTEND(GPR[destreg],32); - } -} - - -11101,xxx,vvv,00110:RR:16::SRLV -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - op1 &= 0x1F; - GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1); - GPR[destreg] = SIGNEXTEND(GPR[destreg],32); - } -} - - -11101,xxx,vvv,00111:RR:16::SRAV -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned int highbit = (unsigned int)1 << 31; - op1 &= 0x1F; - GPR[destreg] = ((unsigned64)(op2 & 0xFFFFFFFF) >> op1); - GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned int)1 << op1) - 1) << (32 - op1)) : 0); - GPR[destreg] = SIGNEXTEND(GPR[destreg],32); - } -} - - -00110,ddd,yyy,[[[,01:ISHIFT:16::DSLL -*mips16: -{ - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int op1 = (instruction >> 2) & 0x7; - if (destreg < 2) - destreg += 16; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - { - op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20); - have_extendval = 0; - } - else - { - if (op1 == 0) - op1 = 8; - } - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = ((unsigned64)op2 << op1); - } + do_daddu (SD_, TRX, TRY, TRZ); +} + + +11100,3.RX,3.RY,3.RZ,10:RRR:16,64::DSUBU +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_dsubu (SD_, TRX, TRY, TRZ); +} + + +11101,3.RX,3.RY,00010:RR:16::SLT +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_slt (SD_, TRX, TRY, T8IDX); +} + + +11101,3.RX,3.RY,00011:RR:16::SLTU +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_sltu (SD_, TRX, TRY, T8IDX); +} + + +11101,3.RX,3.RY,01011:RR:16::NEG +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_subu (SD_, 0, TRY, TRX); +} + + +11101,3.RX,3.RY,01100:RR:16::AND +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_and (SD_, TRX, TRY, TRX); +} + + +11101,3.RX,3.RY,01101:RR:16::OR +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_or (SD_, TRX, TRY, TRX); +} + + +11101,3.RX,3.RY,01110:RR:16::XOR +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_xor (SD_, TRX, TRY, TRX); +} + + +11101,3.RX,3.RY,01111:RR:16::NOT +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_nor (SD_, 0, TRY, TRX); +} + + +01100,111,3.RY,5.R32:I8_MOVR32:16::MOVR32 +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_or (SD_, R32, 0, TRY); +} + + +01100,101,3.R32L,2.R32H,3.RZ:I8_MOV32R:16::MOV32R +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_or (SD_, TRZ, 0, (R32H << 3) | R32L); +} + + +00110,3.RX,3.RY,3.SHAMT,00:ISHIFT:16::SLL +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_sll (SD_, TRY, TRX, SHIFT); +} + + +00110,3.RX,3.RY,3.SHAMT,10:ISHIFT:16::SRL +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_srl (SD_, TRY, TRX, SHIFT); +} + + +00110,3.RX,3.RY,3.SHAMT,11:ISHIFT:16::SRA +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_sra (SD_, TRY, TRX, SHIFT); +} + + +11101,3.RX,3.RY,00100:RR:16::SLLV +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_sllv (SD_, TRX, TRY, TRY); +} + + +11101,3.RX,3.RY,00110:RR:16::SRLV +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_srlv (SD_, TRX, TRY, TRY); +} + + +11101,3.RX,3.RY,00111:RR:16::SRAV +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_srav (SD_, TRX, TRY, TRY); +} + + +00110,3.RX,3.RY,3.SHAMT,01:ISHIFT:16,64::DSLL +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_dsll (SD_, 0, TRY, TRX, SHIFT); } -11101,XXX,vvv,01000:RR:16::DSRL +11101,3.SHAMT,3.RY,01000:RR:16,64::DSRL *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (have_extendval) - { - op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20); - have_extendval = 0; - } - else - { - if (op1 == 0) - op1 = 8; - } - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = ((unsigned64)(op2) >> op1); - } + do_dsrl (SD_, 0, TRY, TRY, SHIFT); } -11101,xxx,vvv,10011:RR:16::DSRA +11101,3.SHAMT,3.RY,10011:RR:16,64::DSRA *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (have_extendval) - { - op1 = ((extendval >> 6) & 0x1f) | (extendval & 0x20); - have_extendval = 0; - } - else - { - if (op1 == 0) - op1 = 8; - } - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 highbit = (unsigned64)1 << 63; - GPR[destreg] = ((unsigned64)(op2) >> op1); - GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned64)1 << op1) - 1) << (64 - op1)) : 0); - } -} - - -11101,xxx,vvv,10100:RR:16::DSLLV -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - op1 &= 0x3F; - GPR[destreg] = ((unsigned64)op2 << op1); - } -} - - -11101,xxx,vvv,10110:RR:16::DSRLV -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - op1 &= 0x3F; - GPR[destreg] = ((unsigned64)(op2) >> op1); - } -} - - -11101,xxx,vvv,10111:RR:16::DSRAV -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - int destreg; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - destreg = op2; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - unsigned64 highbit = (unsigned64)1 << 63; - op1 &= 0x3F; - GPR[destreg] = ((unsigned64)(op2) >> op1); - GPR[destreg] |= (op1 != 0 && (op2 & highbit) ? ((((unsigned64)1 << op1) - 1) << (64 - op1)) : 0); - } + do_dsra (SD_, 0, TRY, TRY, SHIFT); +} + + +11101,3.RX,3.RY,10100:RR:16,64::DSLLV +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_dsllv (SD_, TRX, TRY, TRY); +} + + +11101,3.RX,3.RY,10110:RR:16,64::DSRLV +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_dsrlv (SD_, TRX, TRY, TRY); +} + + +11101,3.RX,3.RY,10111:RR:16,64::DSRAV +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_dsrav (SD_, TRX, TRY, TRY); } // Multiply /Divide Instructions -11101,xxx,yyy,11000:RR:16::MULT +11101,3.RX,3.RY,11000:RR:16::MULT *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Multiplication"); - { - unsigned64 temp = ((word64) op1 * (word64) op2); - LO = SIGNEXTEND((unsigned64)VL4_8(temp),32); - HI = SIGNEXTEND((unsigned64)VH4_8(temp),32); - } - } + do_mult (SD_, TRX, TRY, 0); } -11101,xxx,yyy,11001:RR:16::MULTU +11101,3.RX,3.RY,11001:RR:16::MULTU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Multiplication"); - { - unsigned64 temp = ((unsigned64)(op1 & 0xffffffff) * (unsigned64)(op2 & 0xffffffff)); - LO = SIGNEXTEND((unsigned64)VL4_8(temp),32); - HI = SIGNEXTEND((unsigned64)VH4_8(temp),32); - } - } + do_multu (SD_, TRX, TRY, 0); } -11101,xxx,yyy,11010:RR:16::DIV +11101,3.RX,3.RY,11010:RR:16::DIV *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Division"); - { - int d1 = op1; - int d2 = op2; - if (d2 == 0) - { - LO = SIGNEXTEND(0x80000000,32); - HI = SIGNEXTEND(0,32); - } - else if (d2 == -1 && d1 == 0x80000000) - { - LO = SIGNEXTEND(0x80000000,32); - HI = SIGNEXTEND(0,32); - } - else - { - LO = SIGNEXTEND((d1 / d2),32); - HI = SIGNEXTEND((d1 % d2),32); - } - } - } + do_div (SD_, TRX, TRY); } -11101,xxx,yyy,11011:RR:16::DIVU +11101,3.RX,3.RY,11011:RR:16::DIVU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Division"); - { - unsigned int d1 = op1; - unsigned int d2 = op2; - if (d2 == 0) - { - LO = SIGNEXTEND(0x80000000,32); - HI = SIGNEXTEND(0,32); - } - else if (d2 == -1 && d1 == 0x80000000) - { - LO = SIGNEXTEND(0x80000000,32); - HI = SIGNEXTEND(0,32); - } - else - { - LO = SIGNEXTEND((d1 / d2),32); - HI = SIGNEXTEND((d1 % d2),32); - } - } - } + do_divu (SD_, TRX, TRY); } -11101,ddd,00010000:RR:16::MFHI +11101,3.RX,000,10000:RR:16::MFHI *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - if (destreg < 2) - destreg += 16; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = HI; - HIACCESS = 3; /* 3rd instruction will be safe */ - } + do_mfhi (SD_, TRX); } -11101,ddd,00010010:RR:16::MFLO +11101,3.RX,000,10010:RR:16::MFLO *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int destreg = (instruction >> 8) & 0x7; - if (destreg < 2) - destreg += 16; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = LO; - LOACCESS = 3; /* 3rd instruction will be safe */ - } + do_mflo (SD_, TRX); } -11101,xxx,yyy,11100:RR:16::DMULT +11101,3.RX,3.RY,11100:RR:16,64::DMULT *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Multiplication"); - { - unsigned64 mid; - unsigned64 midhi; - unsigned64 temp; - int sign = 0; - if (op1 < 0) { op1 = - op1; ++sign; } - if (op2 < 0) { op2 = - op2; ++sign; } - LO = ((unsigned64)VL4_8(op1) * VL4_8(op2)); - HI = ((unsigned64)VH4_8(op1) * VH4_8(op2)); - mid = ((unsigned64)VH4_8(op1) * VL4_8(op2)); - midhi = SET64HI(VL4_8(mid)); - temp = (LO + midhi); - if ((temp == midhi) ? (LO != 0) : (temp < midhi)) - HI += 1; - HI += VH4_8(mid); - mid = ((unsigned64)VL4_8(op1) * VH4_8(op2)); - midhi = SET64HI(VL4_8(mid)); - LO = (temp + midhi); - if ((LO == midhi) ? (temp != 0) : (LO < midhi)) - HI += 1; - HI += VH4_8(mid); - if (sign & 1) { LO = - LO; HI = (LO == 0 ? 0 : -1) - HI; } - } - } + do_dmult (SD_, TRX, TRY); } -11101,xxx,yyy,11101:RR:16::DMULTU +11101,3.RX,3.RY,11101:RR:16,64::DMULTU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Multiplication"); - { - unsigned64 mid; - unsigned64 midhi; - unsigned64 temp; - LO = ((unsigned64)VL4_8(op1) * VL4_8(op2)); - HI = ((unsigned64)VH4_8(op1) * VH4_8(op2)); - mid = ((unsigned64)VH4_8(op1) * VL4_8(op2)); - midhi = SET64HI(VL4_8(mid)); - temp = (LO + midhi); - if ((temp == midhi) ? (LO != 0) : (temp < midhi)) - HI += 1; - HI += VH4_8(mid); - mid = ((unsigned64)VL4_8(op1) * VH4_8(op2)); - midhi = SET64HI(VL4_8(mid)); - LO = (temp + midhi); - if ((LO == midhi) ? (temp != 0) : (LO < midhi)) - HI += 1; - HI += VH4_8(mid); - } - } + do_dmultu (SD_, TRX, TRY); } -11101,xxx,yyy,11110:RR:16::DDIV +11101,3.RX,3.RY,11110:RR:16,64::DDIV *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Division"); - { - word64 d1 = op1; - word64 d2 = op2; - if (d2 == 0) - { - LO = SIGNED64 (0x8000000000000000); - HI = 0; - } - else if (d2 == -1 && d1 == SIGNED64 (0x8000000000000000)) - { - LO = SIGNED64 (0x8000000000000000); - HI = 0; - } - else - { - LO = (d1 / d2); - HI = (d1 % d2); - } - } - } + do_ddiv (SD_, TRX, TRY); } -11101,xxx,yyy,11111:RR:16::DDIVU +11101,3.RX,3.RY,11111:RR:16,64::DDIVU *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - signed_word op2 = (instruction >> 5) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (op2 < 2) - op2 += 16; - op2 = GPR[op2]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - CHECKHILO("Division"); - { - unsigned64 d1 = op1; - unsigned64 d2 = op2; - if (d2 == 0) - { - LO = SIGNED64 (0x8000000000000000); - HI = 0; - } - else if (d2 == -1 && d1 == SIGNED64 (0x8000000000000000)) - { - LO = SIGNED64 (0x8000000000000000); - HI = 0; - } - else - { - LO = (d1 / d2); - HI = (d1 % d2); - } - } - } + do_ddivu (SD_, TRX, TRY); } // Jump and Branch Instructions -// JALX -// JAL -00011,aaaaaaaaaaa:I:16::JAL -*mips16: -{ - unsigned32 instruction = instruction_0; - unsigned_word op1 = (instruction >> 0) & 0x7ff; - { - address_word paddr; - int uncached; - if (AddressTranslation (PC &~ (unsigned64) 1, isINSTRUCTION, isLOAD, &paddr, &uncached, isTARGET, isREAL)) - { - unsigned64 memval; - unsigned int reverse = (ReverseEndian ? 3 : 0); - unsigned int bigend = (BigEndianCPU ? 3 : 0); - unsigned int byte; - paddr = ((paddr & ~0x7) | ((paddr & 0x7) ^ (reverse << 1))); - LoadMemory (&memval,0,uncached, AccessLength_HALFWORD, paddr, PC, isINSTRUCTION, isREAL); - byte = (((PC &~ (unsigned64) 1) & 0x7) ^ (bigend << 1)); - memval = (memval >> (8 * byte)) & 0xffff; - op1 = (((op1 & 0x1f) << 23) - | ((op1 & 0x3e0) << 13) - | (memval << 2)); - if ((instruction & 0x400) == 0) - op1 |= 1; - PC += 2; - } - } - op1 |= PC & ~ (unsigned64) 0x0fffffff; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - int destreg = 31; - GPR[destreg] = (PC + 2); /* NOTE: The PC is already 2 ahead within the simulator */ - /* NOTE: ??? Gdb gets confused if the PC is sign-extended, - so we just truncate it to 32 bits here. */ - op1 = VL4_8(op1); - /* NOTE: The jump occurs AFTER the next instruction has been executed */ - DELAY_SLOT op1; - JALDELAYSLOT(); - } -} - - -11101,xxx,00000000:RR:16::JR -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - /* NOTE: ??? Gdb gets confused if the PC is sign-extended, - so we just truncate it to 32 bits here. */ - op1 = VL4_8(op1); - /* NOTE: The jump occurs AFTER the next instruction has been executed */ - DELAY_SLOT op1; - DELAYSLOT(); - } -} - - -1110100000100000,r:RR:16::JRRA -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = 31; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - /* NOTE: ??? Gdb gets confused if the PC is sign-extended, - so we just truncate it to 32 bits here. */ - op1 = VL4_8(op1); - /* NOTE: The jump occurs AFTER the next instruction has been executed */ - DELAY_SLOT op1; - DELAYSLOT(); - } -} - - -11101,xxx,01000000,R:RR:16::JALR -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int destreg = 31; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - GPR[destreg] = (PC + 2); /* NOTE: The PC is already 2 ahead within the simulator */ - /* NOTE: ??? Gdb gets confused if the PC is sign-extended, - so we just truncate it to 32 bits here. */ - op1 = VL4_8(op1); - /* NOTE: The jump occurs AFTER the next instruction has been executed */ - DELAY_SLOT op1; - DELAYSLOT(); - } -} - - -00100,xxx,pppppppp,z:RI:16::BEQZ -*mips16: -{ - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int offset = (instruction >> 0) & 0xff; - signed_word op2 = 0; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) + +// Issue instruction in delay slot of branch +:function:::address_word:delayslot16:address_word target +{ + instruction_word delay_insn; + sim_events_slip (SD, 1); + DSPC = CIA; /* save current PC somewhere */ + CIA = CIA + 2; /* NOTE: mips16 */ + STATE |= simDELAYSLOT; + delay_insn = IMEM16 (CIA); /* NOTE: mips16 */ + idecode_issue (CPU_, delay_insn, (CIA)); + STATE &= ~simDELAYSLOT; + return target; +} + +// compute basepc dependant on us being in a delay slot +:function:::address_word:basepc: +{ + if (STATE & simDELAYSLOT) { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; + return DSPC; /* return saved address of preceeding jmp */ } else { - if (offset >= 0x80) - offset -= 0x100; + return CIA; } - offset *= 2; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - int condition = (op1 == op2); - if (condition) - PC = PC + offset; - } } -00101,xxx,pppppppp,z:RI:16::BNEZ +// JAL +00011,0,5.IMM_20_16,5.IMM_25_21 + 16.IMMED_15_0:I:16::JAL *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - signed_word op1 = (instruction >> 8) & 0x7; - int offset = (instruction >> 0) & 0xff; - signed_word op2 = 0; - if (op1 < 2) - op1 += 16; - op1 = GPR[op1]; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - if (offset >= 0x80) - offset -= 0x100; - } - offset *= 2; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - int condition = (op1 != op2); - if (condition) - PC = PC + offset; - } + NIA = delayslot16 (SD_, + (LSMASKED (NIA, 31, 26) + | LSINSERTED (IMM_25_21, 25, 21) + | LSINSERTED (IMM_20_16, 20, 16) + | LSINSERTED (IMMED_15_0, 15, 0))); } -01100000,pppppppp,t,z:I8:16::BTEQZ +// JALX +00011,1,5.IMM_20_16,5.IMM_25_21 + 16.IMMED_15_0:I:16::JALX *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int offset = (instruction >> 0) & 0xff; - signed_word op1 = 24; - signed_word op2 = 0; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - if (offset >= 0x80) - offset -= 0x100; - } - offset *= 2; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - int condition = (op1 == op2); - if (condition) - PC = PC + offset; - } + NIA = delayslot16 (SD_, + (LSMASKED (NIA, 31, 26) + | LSINSERTED (IMM_25_21, 25, 21) + | LSINSERTED (IMM_20_16, 20, 16) + | LSINSERTED (IMMED_15_0, 15, 0))); + NIA = NIA ^ 1; } -01100001,pppppppp,t,z:I8:16::BTNEZ +11101,3.RX,000,00000:RR:16::JR *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int offset = (instruction >> 0) & 0xff; - signed_word op1 = 24; - signed_word op2 = 0; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - if (offset >= 0x80) - offset -= 0x100; - } - offset *= 2; - op1 = GPR[op1]; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - int condition = (op1 != op2); - if (condition) - PC = PC + offset; - } + NIA = delayslot16 (SD_, GPR[TRX]); } -00010,qqqqqqqqqqq,z,Z:I:16::B +11101,000,001,00000:RR:16::JRRA *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int offset = (instruction >> 0) & 0x7ff; - signed_word op2 = 0; - signed_word op1 = 0; - if (have_extendval) - { - offset |= ((extendval & 0x1f) << 11) | (extendval & 0x7e0); - if (offset >= 0x8000) - offset -= 0x10000; - have_extendval = 0; - } - else - { - if (offset >= 0x400) - offset -= 0x800; - } - offset *= 2; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - int condition = (op1 == op2); - if (condition) - PC = PC + offset; - } + NIA = delayslot16 (SD_, RA); } -// Special Instructions +11101,3.RX,010,00000:RR:16::JALR +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + RA = NIA + 2; + NIA = delayslot16 (SD_, GPR[TRX]); +} -// See the front of the mips16 doc -11110,eeeeeeeeeee:I:16::EXTEND +00100,3.RX,8.IMMED:RI:16::BEQZ +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + if (GPR[RX] == 0) + NIA = (NIA + (EXTEND8 (IMMED) << 2)); +} + + +00101,3.RX,8.IMMED:RI:16::BNEZ +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + if (GPR[RX] != 0) + NIA = (NIA + (EXTEND8 (IMMED) << 2)); +} + + +01100,000,8.IMMED:I8:16::BTEQZ +*mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + if (T8 == 0) + NIA = (NIA + (EXTEND8 (IMMED) << 2)); +} + + +01100,001,8.IMMED:I8:16::BTNEZ *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - int ext = (instruction >> 0) & 0x7ff; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - extendval = ext; - have_extendval = 1; - } + if (T8 != 0) + NIA = (NIA + (EXTEND8 (IMMED) << 2)); } -01100,******,00101:RR:16::BREAK +00010,11.IMMED:I:16::B *mips16: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 { - unsigned32 instruction = instruction_0; - if (have_extendval) - SignalException (ReservedInstruction, instruction); - { - SignalException(BreakPoint,instruction); - } + NIA = (NIA + (EXTEND8 (IMMED) << 2)); } + +// Special Instructions + + +// See the front of the mips16 doc +// -> FIXME need this for most instructions +// 11110,eeeeeeeeeee:I:16::EXTEND +// *mips16: +// // start-sanitize-tx19 +// *tx19: +// // end-sanitize-tx19 + + +// 11101,3.RX,3.RY,00101:RR:16::BREAK +// *mips16: +// // start-sanitize-tx19 +// *tx19: +// // end-sanitize-tx19 diff --git a/sim/mips/m16run.c b/sim/mips/m16run.c new file mode 100644 index 0000000000..da3691ccff --- /dev/null +++ b/sim/mips/m16run.c @@ -0,0 +1,73 @@ +/* This file is part of the program psim. + + Copyright (C) 1998, Andrew Cagney + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + */ + +#include "sim-main.h" +#include "m16_idecode.h" +#include "m32_idecode.h" +#include "bfd.h" + + +#define SD sd +#define CPU cpu + +void +sim_engine_run (SIM_DESC sd, + int next_cpu_nr, + int nr_cpus, /* ignore */ + int siggnal) /* ignore */ +{ + sim_cpu *cpu = STATE_CPU (sd, next_cpu_nr); + address_word cia = CIA_GET (cpu); + + while (1) + { + address_word nia; + +#if defined (ENGINE_ISSUE_PREFIX_HOOK) + ENGINE_ISSUE_PREFIX_HOOK (); +#endif + + if ((cia & 1)) + { + m16_instruction_word instruction_0 = IMEM16 (cia); + nia = m16_idecode_issue (sd, instruction_0, cia); + } + else + { + m32_instruction_word instruction_0 = IMEM32 (cia); + nia = m32_idecode_issue (sd, instruction_0, cia); + } + +#if defined (ENGINE_ISSUE_POSTFIX_HOOK) + ENGINE_ISSUE_POSTFIX_HOOK (); +#endif + + /* Update the instruction address */ + cia = nia; + + /* process any events */ + if (sim_events_tick (sd)) + { + CIA_SET (CPU, cia); + sim_events_process (sd); + } + + } +} diff --git a/sim/mips/mips.igen b/sim/mips/mips.igen index 4a1103c401..ea39430028 100644 --- a/sim/mips/mips.igen +++ b/sim/mips/mips.igen @@ -78,6 +78,7 @@ // + 000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD "add r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -102,6 +103,7 @@ } + 001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI "addi r, r, IMMEDIATE" *mipsI,mipsII,mipsIII,mipsIV: @@ -126,6 +128,13 @@ } + +:function:::void:do_addiu:int rs, int rt, unsigned16 immediate +{ + signed32 temp = GPR[rs] + EXTEND16 (immediate); + GPR[rt] = EXTEND32 (temp); +} + 001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU "addu r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -144,11 +153,17 @@ *tx19: // end-sanitize-tx19 { - signed32 temp = GPR[RS] + EXTEND16 (IMMEDIATE); - GPR[RT] = EXTEND32 (temp); + do_addiu (SD_, RS, RT, IMMEDIATE); } + +:function:::void:do_addu:int rs, int rt, int rd +{ + signed32 temp = GPR[rs] + GPR[rt]; + GPR[rd] = EXTEND32 (temp); +} + 000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU "addu r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -167,11 +182,16 @@ *tx19: // end-sanitize-tx19 { - signed32 temp = GPR[RS] + GPR[RT]; - GPR[RD] = EXTEND32 (temp); + do_addu (SD_, RS, RT, RD); } + +:function:::void:do_and:int rs, int rt, int rd +{ + GPR[rd] = GPR[rs] & GPR[rt]; +} + 000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND "and r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -190,10 +210,11 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = GPR[RS] & GPR[RT]; + do_and (SD_, RS, RT, RD); } + 001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI "and r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -216,6 +237,7 @@ } + 000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ "beq r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -240,6 +262,7 @@ } + 010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL "beql r, r, " *mipsII: @@ -268,6 +291,7 @@ } + 000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ "bgez r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -292,6 +316,7 @@ } + 000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL "bgezal r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -317,6 +342,7 @@ } + 000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL "bgezall r, " *mipsII: @@ -348,6 +374,7 @@ } + 000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL "bgezl r, " *mipsII: @@ -376,6 +403,7 @@ } + 000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ "bgtz r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -400,6 +428,7 @@ } + 010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL "bgtzl r, " *mipsII: @@ -430,6 +459,7 @@ } + 000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ "blez r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -456,6 +486,7 @@ } + 010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL "bgezl r, " *mipsII: @@ -484,6 +515,7 @@ } + 000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ "bltz r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -508,6 +540,7 @@ } + 000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL "bltzal r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -535,6 +568,7 @@ } + 000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL "bltzall r, " *mipsII: @@ -564,6 +598,7 @@ } + 000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL "bltzl r, " *mipsII: @@ -594,6 +629,7 @@ } + 000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE "bne r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -618,6 +654,7 @@ } + 010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL "bnel r, r, " *mipsII: @@ -646,6 +683,7 @@ } + 000000,20.CODE,001101:SPECIAL:32::BREAK "break" *mipsI,mipsII,mipsIII,mipsIV: @@ -668,6 +706,7 @@ } + 0100,ZZ!0!1!3,26.COP_FUN:NORMAL:32::COPz "cop " *mipsI,mipsII,mipsIII,mipsIV: @@ -683,6 +722,7 @@ } + 000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD "dadd r, r, r" *mipsIII: @@ -708,6 +748,7 @@ } + 011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI "daddi r, r, " *mipsIII: @@ -732,6 +773,12 @@ } + +:function:64::void:do_daddiu:int rs, int rt, unsigned16 immediate +{ + GPR[rt] = GPR[rs] + EXTEND16 (immediate); +} + 011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU "daddu r, r, " *mipsIII: @@ -750,10 +797,16 @@ *tx19: // end-sanitize-tx19 { - GPR[RT] = GPR[RS] + EXTEND16 (IMMEDIATE); + do_daddiu (SD_, RS, RT, IMMEDIATE); } + +:function:::void:do_daddu:int rs, int rt, int rd +{ + GPR[rd] = GPR[rs] + GPR[rt]; +} + 000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU "daddu r, r, r" *mipsIII: @@ -772,32 +825,17 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = GPR[RS] + GPR[RT]; + do_daddu (SD_, RS, RT, RD); } -000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV -"ddiv r, r" -*mipsIII: -*mipsIV: -*vr5000: -// start-sanitize-vr4320 -*vr4320: -// end-sanitize-vr4320 -// start-sanitize-vr5400 -*vr5400: -// end-sanitize-vr5400 -// start-sanitize-r5900 -*r5900: -// end-sanitize-r5900 -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 + +:function:64::void:do_ddiv:int rs, int rt { CHECKHILO ("Division"); { - signed64 n = GPR[RS]; - signed64 d = GPR[RT]; + signed64 n = GPR[rs]; + signed64 d = GPR[rt]; if (d == 0) { LO = SIGNED64 (0x8000000000000000); @@ -816,10 +854,8 @@ } } - - -000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU -"ddivu r, r" +000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV +"ddiv r, r" *mipsIII: *mipsIV: *vr5000: @@ -829,14 +865,24 @@ // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 +// start-sanitize-r5900 +*r5900: +// end-sanitize-r5900 // start-sanitize-tx19 *tx19: // end-sanitize-tx19 +{ + do_ddiv (SD_, RS, RT); +} + + + +:function:64::void:do_ddivu:int rs, int rt { CHECKHILO ("Division"); { - unsigned64 n = GPR[RS]; - unsigned64 d = GPR[RT]; + unsigned64 n = GPR[rs]; + unsigned64 d = GPR[rt]; if (d == 0) { LO = SIGNED64 (0x8000000000000000); @@ -850,10 +896,10 @@ } } - -000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV -"div r, r" -*mipsI,mipsII,mipsIII,mipsIV: +000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU +"ddivu r, r" +*mipsIII: +*mipsIV: *vr5000: // start-sanitize-vr4320 *vr4320: @@ -861,18 +907,21 @@ // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 -// start-sanitize-r5900 -*r5900: -// end-sanitize-r5900 -*r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 +{ + do_ddivu (SD_, RS, RT); +} + + + +:function:::void:do_div:int rs, int rt { CHECKHILO("Division"); { - signed32 n = GPR[RS]; - signed32 d = GPR[RT]; + signed32 n = GPR[rs]; + signed32 d = GPR[rt]; if (d == 0) { LO = EXTEND32 (0x80000000); @@ -891,9 +940,8 @@ } } - -000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU -"divu r, r" +000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV +"div r, r" *mipsI,mipsII,mipsIII,mipsIV: *vr5000: // start-sanitize-vr4320 @@ -909,11 +957,18 @@ // start-sanitize-tx19 *tx19: // end-sanitize-tx19 +{ + do_div (SD_, RS, RT); +} + + + +:function:::void:do_divu:int rs, int rt { CHECKHILO ("Division"); { - unsigned32 n = GPR[RS]; - unsigned32 d = GPR[RT]; + unsigned32 n = GPR[rs]; + unsigned32 d = GPR[rt]; if (d == 0) { LO = EXTEND32 (0x80000000); @@ -927,8 +982,30 @@ } } +000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU +"divu r, r" +*mipsI,mipsII,mipsIII,mipsIV: +*vr5000: +// start-sanitize-vr4320 +*vr4320: +// end-sanitize-vr4320 +// start-sanitize-vr5400 +*vr5400: +// end-sanitize-vr5400 +// start-sanitize-r5900 +*r5900: +// end-sanitize-r5900 +*r3900: +// start-sanitize-tx19 +*tx19: +// end-sanitize-tx19 +{ + do_divu (SD_, RS, RT); +} + -:function:::void:do_dmult:int rs, int rt, int rd, int signed_p + +:function:::void:do_dmultx:int rs, int rt, int rd, int signed_p { unsigned64 lo; unsigned64 hi; @@ -986,6 +1063,10 @@ GPR[rd] = lo; } +:function:::void:do_dmult:int rs, int rt, int rd +{ + do_dmultx (SD_, rs, rt, rd, 1); +} 000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT "dmult r, r" @@ -997,7 +1078,7 @@ *vr4320: // end-sanitize-vr4320 { - do_dmult (SD_, RS, RT, 0, 1); + do_dmult (SD_, RS, RT, 0); } 000000,5.RS,5.RT,5.RD,00000011100:SPECIAL:64::DMULT @@ -1008,11 +1089,16 @@ *vr5400: // end-sanitize-vr5400 { - do_dmult (SD_, RS, RT, RD, 1); + do_dmult (SD_, RS, RT, RD); } +:function:::void:do_dmultu:int rs, int rt, int rd +{ + do_dmultx (SD_, rs, rt, rd, 0); +} + 000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU "dmultu r, r" *mipsIII,mipsIV: @@ -1023,7 +1109,7 @@ *vr4320: // end-sanitize-vr4320 { - do_dmult (SD_, RS, RT, 0, 0); + do_dmultu (SD_, RS, RT, 0); } 000000,5.RS,5.RT,5.RD,00000011101:SPECIAL:64::DMULTU @@ -1034,7 +1120,7 @@ *vr5400: // end-sanitize-vr5400 { - do_dmult (SD_, RS, RT, RD, 0); + do_dmultu (SD_, RS, RT, RD); } @@ -1085,6 +1171,7 @@ } + 000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV "dsllv r, r, r" *mipsIII: @@ -1108,6 +1195,7 @@ } + 00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA "dsra r, r, " *mipsIII: @@ -1154,6 +1242,12 @@ } +:function:::void:do_srav:int rs, int rt, int rd +{ + int s = MASKED64 (GPR[rs], 5, 0); + GPR[rd] = ((signed64) GPR[rt]) >> s; +} + 000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV "dsra32 r, r, r" *mipsIII: @@ -1172,8 +1266,7 @@ *tx19: // end-sanitize-tx19 { - int s = MASKED64 (GPR[RS], 5, 0); - GPR[RD] = ((signed64) GPR[RT]) >> s; + do_srav (SD_, RS, RT, RD); } @@ -1270,6 +1363,11 @@ } +:function:::void:do_dsubu:int rs, int rt, int rd +{ + GPR[rd] = GPR[rs] - GPR[rt]; +} + 000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU "dsubu r, r, r" *mipsIII: @@ -1288,7 +1386,7 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = GPR[RS] - GPR[RT]; + do_dsubu (SD_, RS, RT, RD); } @@ -1883,6 +1981,14 @@ } +:function:::void:do_mfhi:int rd +{ + GPR[rd] = HI; +#if 0 + HIACCESS = 3; +#endif +} + 000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI "mfhi r" *mipsI,mipsII,mipsIII,mipsIV: @@ -1901,13 +2007,19 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = HI; + do_mfhi (SD_, RD); +} + + + +:function:::void:do_mflo:int rd +{ + GPR[rd] = LO; #if 0 - HIACCESS = 3; + LOACCESS = 3; /* 3rd instruction will be safe */ #endif } - 000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO "mflo r" *mipsI,mipsII,mipsIII,mipsIV: @@ -1926,13 +2038,11 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = LO; -#if 0 - LOACCESS = 3; /* 3rd instruction will be safe */ -#endif + do_mflo (SD_, RD); } + 000000,5.RS,5.RT,5.RD,00000001011:SPECIAL:32::MOVN "movn r, r, r" *mipsIV: @@ -1952,6 +2062,7 @@ } + 000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ "movz r, r, r" *mipsIV: @@ -1971,6 +2082,7 @@ } + 000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI "mthi r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2000,6 +2112,7 @@ } + 000000,5.RS,000000000000000010011:SPECIAL:32::MTLO "mtlo r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2029,6 +2142,19 @@ } + +:function:::void:do_mult:int rs, int rt, int rd +{ + signed64 prod; + CHECKHILO ("Multiplication"); + prod = (((signed64)(signed32) GPR[rs]) + * ((signed64)(signed32) GPR[rt])); + LO = EXTEND32 (VL4_8 (prod)); + HI = EXTEND32 (VH4_8 (prod)); + if (rd != 0) + GPR[rd] = LO; +} + 000000,5.RS,5.RT,00000,00000011000:SPECIAL:32::MULT "mult r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2036,12 +2162,7 @@ *vr4320: // end-sanitize-vr4320 { - signed64 prod; - CHECKHILO ("Multiplication"); - prod = (((signed64)(signed32) GPR[RS]) - * ((signed64)(signed32) GPR[RT])); - LO = EXTEND32 (VL4_8 (prod)); - HI = EXTEND32 (VH4_8 (prod)); + do_mult (SD_, RS, RT, 0); } @@ -2059,17 +2180,22 @@ *tx19: // end-sanitize-tx19 { - signed64 prod; + do_mult (SD_, RS, RT, RD); +} + + +:function:::void:do_multu:int rs, int rt, int rd +{ + unsigned64 prod; CHECKHILO ("Multiplication"); - prod = (((signed64)(signed32) GPR[RS]) - * ((signed64)(signed32) GPR[RT])); + prod = (((unsigned64)(unsigned32) GPR[rs]) + * ((unsigned64)(unsigned32) GPR[rt])); LO = EXTEND32 (VL4_8 (prod)); HI = EXTEND32 (VH4_8 (prod)); - if (RD != 0) - GPR[RD] = LO; + if (rd != 0) + GPR[rd] = LO; } - 000000,5.RS,5.RT,00000,00000011001:SPECIAL:32::MULTU "multu r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2077,13 +2203,9 @@ *vr4320: // end-sanitize-vr4320 { - unsigned64 prod; - CHECKHILO ("Multiplication"); - prod = (((unsigned64)(unsigned32) GPR[RS]) - * ((unsigned64)(unsigned32) GPR[RT])); - LO = EXTEND32 (VL4_8 (prod)); - HI = EXTEND32 (VH4_8 (prod)); + do_multu (SD_, RS, RT, 0); } + 000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU "multu r, r, r" *vr5000: @@ -2098,17 +2220,15 @@ *tx19: // end-sanitize-tx19 { - unsigned64 prod; - CHECKHILO ("Multiplication"); - prod = (((unsigned64)(unsigned32) GPR[RS]) - * ((unsigned64)(unsigned32) GPR[RT])); - LO = EXTEND32 (VL4_8 (prod)); - HI = EXTEND32 (VH4_8 (prod)); - if (RD != 0) - GPR[RD] = LO; + do_multu (SD_, RS, RT, 0); } +:function:::void:do_nor:int rs, int rt, int rd +{ + GPR[rd] = ~ (GPR[rs] | GPR[rt]); +} + 000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR "nor r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2127,10 +2247,15 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = ~ (GPR[RS] | GPR[RT]); + do_nor (SD_, RS, RT, RD); } +:function:::void:do_or:int rs, int rt, int rd +{ + GPR[rd] = (GPR[rs] | GPR[rt]); +} + 000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR "or r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2149,7 +2274,7 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = (GPR[RS] | GPR[RT]); + do_or (SD_, RS, RT, RD); } @@ -2455,6 +2580,12 @@ } +:function:::void:do_sll:int rt, int rd, int shift +{ + unsigned32 temp = (GPR[rt] << shift); + GPR[rd] = EXTEND32 (temp); +} + 00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL "sll r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -2473,12 +2604,17 @@ *tx19: // end-sanitize-tx19 { - int s = SHIFT; - unsigned32 temp = (GPR[RT] << s); - GPR[RD] = EXTEND32 (temp); + do_sll (SD_, RT, RD, SHIFT); } +:function:::void:do_sllv:int rs, int rt, int rd +{ + int s = MASKED (GPR[rs], 4, 0); + unsigned32 temp = (GPR[rt] << s); + GPR[rd] = EXTEND32 (temp); +} + 000000,5.RS,5.RT,5.RD,00000000100:SPECIAL:32::SLLV "sllv r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2497,12 +2633,15 @@ *tx19: // end-sanitize-tx19 { - int s = MASKED (GPR[RS], 4, 0); - unsigned32 temp = (GPR[RT] << s); - GPR[RD] = EXTEND32 (temp); + do_sllv (SD_, RS, RT, RD); } +:function:::void:do_slt:int rs, int rt, int rd +{ + GPR[rd] = ((signed_word) GPR[rs] < (signed_word) GPR[rt]); +} + 000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT "slt r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2521,10 +2660,15 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = ((signed_word) GPR[RS] < (signed_word) GPR[RT]); + do_slt (SD_, RS, RT, RD); } +:function:::void:do_slti:int rs, int rt, unsigned16 immediate +{ + GPR[rt] = ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate)); +} + 001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI "slti r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -2543,10 +2687,15 @@ *tx19: // end-sanitize-tx19 { - GPR[RT] = ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE)); + do_slti (SD_, RS, RT, IMMEDIATE); } +:function:::void:do_sltiu:int rs, int rt, unsigned16 immediate +{ + GPR[rt] = ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate)); +} + 001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU "sltiu r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -2565,7 +2714,14 @@ *tx19: // end-sanitize-tx19 { - GPR[RT] = ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE)); + do_sltiu (SD_, RS, RT, IMMEDIATE); +} + + + +:function:::void:do_sltu:int rs, int rt, int rd +{ + GPR[rd] = ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt]); } 000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU @@ -2586,10 +2742,16 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]); + do_sltiu (SD_, RS, RT, RD); } +:function:::void:do_sra:int rt, int rd, int shift +{ + signed32 temp = (signed32) GPR[rt] >> shift; + GPR[rd] = EXTEND32 (temp); +} + 000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA "sra r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -2608,9 +2770,7 @@ *tx19: // end-sanitize-tx19 { - int s = SHIFT; - signed32 temp = (signed32) GPR[RT] >> s; - GPR[RD] = EXTEND32 (temp); + do_sra (SD_, RT, RD, SHIFT); } @@ -2638,6 +2798,12 @@ } +:function:::void:do_srl:int rt, int rd, int shift +{ + unsigned32 temp = (unsigned32) GPR[rt] >> shift; + GPR[rd] = EXTEND32 (temp); +} + 000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL "srl r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -2656,12 +2822,17 @@ *tx19: // end-sanitize-tx19 { - int s = SHIFT; - unsigned32 temp = (unsigned32) GPR[RT] >> s; - GPR[RD] = EXTEND32 (temp); + do_srl (SD_, RT, RD, SHIFT); } +:function:::void:do_srlv:int rs, int rt, int rd +{ + int s = MASKED (GPR[rs], 4, 0); + unsigned32 temp = (unsigned32) GPR[rt] >> s; + GPR[rd] = EXTEND32 (temp); +} + 000000,5.RS,5.RT,5.RD,00000000110:SPECIAL:32::SRLV "srlv r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2680,9 +2851,7 @@ *tx19: // end-sanitize-tx19 { - int s = MASKED (GPR[RS], 4, 0); - unsigned32 temp = (unsigned32) GPR[RT] >> s; - GPR[RD] = EXTEND32 (temp); + do_srlv (SD_, RS, RT, RD); } @@ -2710,6 +2879,12 @@ } +:function:::void:do_subu:int rs, int rt, int rd +{ + signed32 temp = GPR[rs] - GPR[rt]; + GPR[rd] = EXTEND32 (temp); +} + 000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU "subu r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -2728,7 +2903,7 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = EXTEND32 (GPR[RS] - GPR[RT]); + do_subu (SD_, RS, RT, RD); } @@ -3199,6 +3374,11 @@ } +:function:::void:do_xor:int rs, int rt, int rd +{ + GPR[rd] = GPR[rs] ^ GPR[rt]; +} + 000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR "xor r, r, r" *mipsI,mipsII,mipsIII,mipsIV: @@ -3217,10 +3397,15 @@ *tx19: // end-sanitize-tx19 { - GPR[RD] = GPR[RS] ^ GPR[RT]; + do_xor (SD_, RS, RT, RD); } +:function:::void:do_xori:int rs, int rt, unsigned16 immediate +{ + GPR[rt] = GPR[rs] ^ immediate; +} + 001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI "xori r, r, " *mipsI,mipsII,mipsIII,mipsIV: @@ -3239,7 +3424,7 @@ *tx19: // end-sanitize-tx19 { - GPR[RT] = GPR[RS] ^ IMMEDIATE; + do_xori (SD_, RS, RT, IMMEDIATE); } diff --git a/sim/mips/sim-main.h b/sim/mips/sim-main.h index af9378a096..2a80742b48 100644 --- a/sim/mips/sim-main.h +++ b/sim/mips/sim-main.h @@ -456,8 +456,6 @@ struct _sim_cpu { NIA = CIA + 8; \ } while (0) - - /* State of the simulator */ unsigned int state; unsigned int dsstate; @@ -574,8 +572,12 @@ struct _sim_cpu { #define A1 (REGISTERS[5]) #define A2 (REGISTERS[6]) #define A3 (REGISTERS[7]) -#define SP (REGISTERS[29]) -#define RA (REGISTERS[31]) +#define T8IDX 24 +#define T8 (REGISTERS[T8IDX]) +#define SPIDX 29 +#define SP (REGISTERS[SPIDX]) +#define RAIDX 31 +#define RA (REGISTERS[RAIDX]) /* Keep the current format state for each register: */ FP_formats fpr_state[32]; @@ -865,7 +867,7 @@ prefetch (SD, CPU, cia, CCA, pAddr, vAddr, DATA, hint) INLINE_SIM_MAIN (unsigned32) ifetch32 PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, address_word vaddr)); #define IMEM32(CIA) ifetch32 (SD, CPU, (CIA), (CIA)) unsigned16 ifetch16 PARAMS ((SIM_DESC sd, sim_cpu *cpu, address_word cia, address_word vaddr)); -#define IMEM16(CIA,NR) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1) + 2 * (NR)) +#define IMEM16(CIA) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1)) #define IMEM16_IMMED(CIA,NR) ifetch16 (SD, CPU, (CIA), ((CIA) & ~1) + 2 * (NR)) void dotrace PARAMS ((SIM_DESC sd, sim_cpu *cpu, FILE *tracefh, int type, SIM_ADDR address, int width, char *comment, ...)); -- 2.34.1