// ::= // { "+" } // ":" // ":" // ":" // ":" // // { } // { } // // // IGEN config - mips16 :option:16::insn-bit-size:16 :option:16::hi-bit-nr:15 :option:16::insn-specifying-widths:true :option:16::gen-delayed-branch:false // IGEN config - mips32/64.. :option:32::insn-bit-size:32 :option:32::hi-bit-nr:31 :option:32::insn-specifying-widths:true :option:32::gen-delayed-branch:false // Generate separate simulators for each target // :option:::multi-sim:true // Models known by this simulator :model:::mipsI:mipsI: :model:::mipsII:mipsII: :model:::mipsIII:mipsIII: :model:::mipsIV:mipsIV: :model:::mips16:mips16: // start-sanitize-r5900 :model:::r5900:r5900: // end-sanitize-r5900 :model:::r3900:r3900: // start-sanitize-tx19 :model:::tx19:tx19: // end-sanitize-tx19 // start-sanitize-vr5400 :model:::vr5400:vr5400: // end-sanitize-vr5400 // Pseudo instructions known by IGEN :internal::::illegal: { sim_io_eprintf (SD, "Illegal instruction at address 0x%lx\n", (unsigned long) CIA); sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIGILL); } // // MIPS Architecture: // // CPU Instruction Set (mipsI - mipsIV) // 000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD "add r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { ALU32_BEGIN (GPR[RS]); ALU32_ADD (GPR[RT]); ALU32_END (GPR[RD]); } 001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI "addi r, r, IMMEDIATE" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { ALU32_BEGIN (GPR[RS]); ALU32_ADD (EXTEND16 (IMMEDIATE)); ALU32_END (GPR[RT]); } 001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU "add r, r, IMMEDIATE" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { signed32 temp = GPR[RS] + EXTEND16 (IMMEDIATE); GPR[RT] = EXTEND32 (temp); } 000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { signed32 temp = GPR[RS] + GPR[RT]; GPR[RD] = EXTEND32 (temp); } 000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND "and r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = GPR[RS] & GPR[RT]; } 001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI "and r, r, IMMEDIATE" *mipsI: *mipsII: *mipsIII: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = GPR[RS] & IMMEDIATE; } 000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ "beq r, r, OFFSET" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] == GPR[RT]) DELAY_SLOT (PC + offset); } 010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL "beql r, r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] == GPR[RT]) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ "bgez r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] >= 0) DELAY_SLOT (PC + offset); } 000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL "bgezal r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; RA = (CIA + 8); if (GPR[RS] >= 0) DELAY_SLOT (PC + offset); } 000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL "bgezall r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; RA = (CIA + 8); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if (GPR[RS] >= 0) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL "bgezl r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] >= 0) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ "bgtz r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] > 0) DELAY_SLOT (PC + offset); } 010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL "bgtzl r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; /* NOTE: The branch occurs AFTER the next instruction has been executed */ if (GPR[RS] > 0) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ "blez r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; /* NOTE: The branch occurs AFTER the next instruction has been executed */ if (GPR[RS] <= 0) DELAY_SLOT (PC + offset); } 010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL "bgezl r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] <= 0) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ "bltz r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] < 0) DELAY_SLOT (PC + offset); } 000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL "bltzal r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; RA = (CIA + 8); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if (GPR[RS] < 0) DELAY_SLOT (PC + offset); } 000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL "bltzall r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; RA = (CIA + 8); if (GPR[RS] < 0) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL "bltzl r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; /* NOTE: The branch occurs AFTER the next instruction has been executed */ if (GPR[RS] < 0) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE "bne r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] != GPR[RT]) DELAY_SLOT (PC + offset); } 010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL "bnel r, r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word offset = EXTEND16 (OFFSET) << 2; if (GPR[RS] != GPR[RT]) DELAY_SLOT (PC + offset); else NULLIFY_NEXT_INSTRUCTION (); } 000000,20.CODE,001101:SPECIAL:32::BREAK "break" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { SignalException(BreakPoint, instruction_0); } 0100,ZZ!0!1!3,26.COP_FUN:NORMAL:32::COPz "cop " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { DecodeCoproc (instruction_0); } 000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD "dadd r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { ALU64_BEGIN (GPR[RS]); ALU64_ADD (GPR[RT]); ALU64_END (GPR[RT]); } 011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI "daddi r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { ALU64_BEGIN (GPR[RS]); ALU64_ADD (EXTEND16 (IMMEDIATE)); ALU64_END (GPR[RT]); } 011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU "daddu r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = GPR[RS] + EXTEND16 (IMMEDIATE); } 000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU "daddu r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = GPR[RS] + GPR[RT]; } 000000,5.RS,5.RT,0000000000011110:SPECIAL:64::DDIV "ddiv r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { CHECKHILO ("Division"); { signed64 n = GPR[RS]; signed64 d = GPR[RT]; if (d == 0) { LO = SIGNED64 (0x8000000000000000); HI = 0; } else if (d == -1 && n == SIGNED64 (0x8000000000000000)) { LO = SIGNED64 (0x8000000000000000); HI = 0; } else { LO = (n / d); HI = (n % d); } } } 000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU "ddivu r, r" *mipsIII: *mipsIV: *r3900: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { CHECKHILO ("Division"); { unsigned64 n = GPR[RS]; unsigned64 d = GPR[RT]; if (d == 0) { LO = SIGNED64 (0x8000000000000000); HI = 0; } else { LO = (n / d); HI = (n % d); } } } 000000,5.RS,5.RT,0000000000011010:SPECIAL:32::DIV "div r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { CHECKHILO("Division"); { signed32 n = GPR[RS]; signed32 d = GPR[RT]; if (d == 0) { LO = EXTEND32 (0x80000000); HI = EXTEND32 (0); } else if (d == -1 && d == 0x80000000) { LO = EXTEND32 (0x80000000); HI = EXTEND32 (0); } else { LO = EXTEND32 (n / d); HI = EXTEND32 (n % d); } } } 000000,5.RS,5.RT,0000000000011011:SPECIAL:32::DIVU "divu r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { CHECKHILO ("Division"); { unsigned32 n = GPR[RS]; unsigned32 d = GPR[RT]; if (d == 0) { LO = EXTEND32 (0x80000000); HI = EXTEND32 (0); } else { LO = EXTEND32 (n / d); HI = EXTEND32 (n % d); } } } 000000,5.RS,5.RT,0000000000011100:SPECIAL:64::DMULT "dmult r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { CHECKHILO ("Multiplication"); { signed64 op1 = GPR[RS]; signed64 op2 = GPR[RT]; unsigned64 lo; unsigned64 hi; unsigned64 m00; unsigned64 m01; unsigned64 m10; unsigned64 m11; unsigned64 mid; int sign = 0; /* make it unsigned */ if (op1 < 0) { op1 = - op1; ++sign; } if (op2 < 0) { op2 = - op2; ++sign; } /* multuply out the 4 sub products */ m00 = (VL4_8 (op1) * VL4_8 (op2)); m10 = (VH4_8 (op1) * VL4_8 (op2)); m01 = (VL4_8 (op1) * VH4_8 (op2)); m11 = (VH4_8 (op1) * VH4_8 (op2)); /* add the products */ mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01); lo = U8_4 (mid, m00); hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10); /* save the result */ if (sign & 1) { LO = -lo; if (lo == 0) HI = -hi; else HI = -hi - 1; } else { LO = lo; HI = hi; } } } 000000,5.RS,5.RT,0000000000011101:SPECIAL:64::DMULTU "dmultu r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { CHECKHILO ("Multiplication"); { signed64 op1 = GPR[RS]; signed64 op2 = GPR[RT]; unsigned64 lo; unsigned64 hi; unsigned64 m00; unsigned64 m01; unsigned64 m10; unsigned64 m11; unsigned64 mid; /* multuply out the 4 sub products */ m00 = (VL4_8 (op1) * VL4_8 (op2)); m10 = (VH4_8 (op1) * VL4_8 (op2)); m01 = (VL4_8 (op1) * VH4_8 (op2)); m11 = (VH4_8 (op1) * VH4_8 (op2)); /* add the products */ mid = VH4_8 (m00) + VL4_8 (m10) + VL4_8 (m01); lo = U8_4 (mid, m00); hi = m11 + VH4_8 (mid) + VH4_8 (m01) + VH4_8 (m10); /* save the result */ LO = lo; HI = hi; } } 00000000000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL "dsll r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = SHIFT; GPR[RD] = GPR[RT] << s; } 00000000000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32 "dsll32 r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = 32 + SHIFT; GPR[RD] = GPR[RT] << s; } 000000,5.RS,5.RT,5.RD,00000010100:SPECIAL:64::DSLLV "dsllv r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = MASKED64 (GPR[RS], 5, 0); GPR[RD] = GPR[RT] << s; } 00000000000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA "dsra r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = SHIFT; GPR[RD] = ((signed64) GPR[RT]) >> s; } 00000000000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32 "dsra32 r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = 32 + SHIFT; GPR[RD] = ((signed64) GPR[RT]) >> s; } 000000,5.RS,5.RT,5.RD,00000010111:SPECIAL:64::DSRAV "dsra32 r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = MASKED64 (GPR[RS], 5, 0); GPR[RD] = ((signed64) GPR[RT]) >> s; } 00000000000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL "dsrav r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = SHIFT; GPR[RD] = (unsigned64) GPR[RT] >> s; } 00000000000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32 "dsrl32 r, r, " *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = 32 + SHIFT; GPR[RD] = (unsigned64) GPR[RT] >> s; } 000000,5.RS,5.RT,5.RD,00000010110:SPECIAL:64::DSRLV "dsrl32 r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = MASKED64 (GPR[RS], 5, 0); GPR[RD] = (unsigned64) GPR[RT] >> s; } 000000,5.RS,5.RT,5.RD,00000101110:SPECIAL:64::DSUB "dsub r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { ALU64_BEGIN (GPR[RS]); ALU64_SUB (GPR[RT]); ALU64_END (GPR[RD]); } 000000,5.RS,5.RT,5.RD,00000101111:SPECIAL:64::DSUBU "dsubu r, r, r" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = GPR[RS] - GPR[RT]; } 000010,26.INSTR_INDEX:NORMAL:32::J "j " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { /* NOTE: The region used is that of the delay slot NIA and NOT the current instruction */ address_word region = (NIA & MASK (63, 28)); DELAY_SLOT (region | (INSTR_INDEX << 2)); } 000011,26.INSTR_INDEX:NORMAL:32::JAL "jal " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { /* NOTE: The region used is that of the delay slot and NOT the current instruction */ address_word region = (NIA & MASK (63, 28)); GPR[31] = CIA + 8; DELAY_SLOT (region | (INSTR_INDEX << 2)); } 000000,5.RS,00000,5.RD,00000001001:SPECIAL:32::JALR "jalr r":RD == 31 "jalr r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { address_word temp = GPR[RS]; GPR[RD] = CIA + 8; DELAY_SLOT (temp); } 000000,5.RS,000000000000000001000:SPECIAL:32::JR "jr r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { DELAY_SLOT (GPR[RS]); } 100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB "lb r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((uword64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { uword64 memval = 0; uword64 memval1 = 0; uword64 mask = 0x7; unsigned int shift = 0; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x000000FF),8)); } } } } 100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU "lbu r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 0; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_BYTE,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (((memval >> (8 * byte)) & 0x000000FF)); } } } } 110111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LD "ld r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 7) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); GPR[destreg] = memval; } } } } 1101,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDCz "ldc r, (r)" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 7) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); COP_LD(((instruction >> 26) & 0x3),destreg,memval);; } } } } 011010,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDL "ldl r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 7; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (!BigEndianMem) paddr &= ~mask; LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL); GPR[destreg] = ((memval << ((7 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((7 - byte) * 8)) - 1))); } } } } 011011,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDR "ldr r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 7; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (BigEndianMem) paddr &= ~mask; LoadMemory(&memval,&memval1,uncached,(7 - byte),paddr,vaddr,isDATA,isREAL); { unsigned64 srcmask; if (byte == 0) srcmask = 0; else srcmask = ((unsigned64)-1 << (8 * (8 - byte))); GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte))); } } } } } 100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH "lh r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 1) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 1; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0x0000FFFF),16)); } } } } 100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU "lhu r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 1) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 1; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_HALFWORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (((memval >> (8 * byte)) & 0x0000FFFF)); } } } } 110000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LL "ll r, (r)" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 2; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); LLBIT = 1; } } } } 110100,5.BASE,5.RT,16.OFFSET:NORMAL:64::LLD "lld r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 7) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); GPR[destreg] = memval; LLBIT = 1; } } } } 001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI "lui r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = EXTEND32 (IMMEDIATE << 16); } 100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW "lw r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 2; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (SIGNEXTEND(((memval >> (8 * byte)) & 0xFFFFFFFF),32)); } } } } 1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz "lwc r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 2; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); COP_LW(((instruction >> 26) & 0x3),destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF)); } } } } 100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL "lwl r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 3; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (!BigEndianMem) paddr &= ~mask; LoadMemory(&memval,&memval1,uncached,byte,paddr,vaddr,isDATA,isREAL); if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) { memval >>= 32; } GPR[destreg] = ((memval << ((3 - byte) * 8)) | (GPR[destreg] & (((unsigned64)1 << ((3 - byte) * 8)) - 1))); GPR[destreg] = SIGNEXTEND(GPR[destreg],32); } } } } 100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR "lwr r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 3; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (BigEndianMem) paddr &= ~mask; LoadMemory(&memval,&memval1,uncached,(3 - byte),paddr,vaddr,isDATA,isREAL); if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) { memval >>= 32; } { unsigned64 srcmask; if (byte == 0) srcmask = 0; else srcmask = ((unsigned64)-1 << (8 * (4 - byte))); GPR[destreg] = ((GPR[destreg] & srcmask) | (memval >> (8 * byte))); } GPR[destreg] = SIGNEXTEND(GPR[destreg],32); } } } } 100111,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWU "lwu r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 2; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); GPR[destreg] = (((memval >> (8 * byte)) & 0xFFFFFFFF)); } } } } 000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI "mfhi r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = HI; HIACCESS = 3; } 000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO "mflo r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = LO; LOACCESS = 3; /* 3rd instruction will be safe */ } 000000,5.RS,5.RT,5.RD,00000001011:SPECIAL:32::MOVN "movn r, r, r" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { if (GPR[RT] != 0) GPR[RD] = GPR[RS]; } 000000,5.RS,5.RT,5.RD,00000001010:SPECIAL:32::MOVZ "movz r, r, r" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { if (GPR[RT] == 0) GPR[RD] = GPR[RS]; } 000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI "mthi r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (HIACCESS != 0) sim_io_eprintf (sd, "MT (move-to) over-writing HI register value\n"); HI = GPR[RS]; HIACCESS = 3; /* 3rd instruction will be safe */ } 000000,5.RS,000000000000000010011:SPECIAL:32::MTLO "mtlo r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (LOACCESS != 0) sim_io_eprintf (sd, "MT (move-to) over-writing LO register value\n"); LO = GPR[RS]; LOACCESS = 3; /* 3rd instruction will be safe */ } 000000,5.RS,5.RT,5.RD,00000011000:SPECIAL:32::MULT "mult r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { signed64 prod; CHECKHILO ("Multiplication"); prod = (((signed64)(signed32) GPR[RS]) * ((signed64)(signed32) GPR[RT])); LO = EXTEND32 (VL4_8 (prod)); HI = EXTEND32 (VH4_8 (prod)); } 000000,5.RS,5.RT,5.RD,00000011001:SPECIAL:32::MULTU "multu r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned64 prod; CHECKHILO ("Multiplication"); prod = (((unsigned64)(unsigned32) GPR[RS]) * ((unsigned64)(unsigned32) GPR[RT])); LO = EXTEND32 (VL4_8 (prod)); HI = EXTEND32 (VH4_8 (prod)); } 000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR "nor r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { 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: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = (GPR[RS] | GPR[RT]); } 001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI "ori r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = (GPR[RS] | IMMEDIATE); } 110011,5.RS,nnnnn,16.OFFSET:NORMAL:32::PREF *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int hint = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) Prefetch(uncached,paddr,vaddr,isDATA,hint); } } } 101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB "sb r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 0; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); byte = ((vaddr & mask) ^ (bigend << shift)); memval = ((unsigned64) op2 << (8 * byte)); { StoreMemory(uncached,AccessLength_BYTE,memval,memval1,paddr,vaddr,isREAL); } } } } } 111000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SC "sc r, (r)" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); memval = ((unsigned64) op2 << (8 * byte)); if (LLBIT) { StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } GPR[(instruction >> 16) & 0x0000001F] = LLBIT; } } } } 111100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SCD "scd r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { 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; if (LLBIT) { StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); } GPR[(instruction >> 16) & 0x0000001F] = LLBIT; } } } } 111111,5.BASE,5.RT,16.OFFSET:NORMAL:64::SD "sd r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { 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); } } } } } 1111,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDCz "sdc r, (r)" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 7) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; memval = (unsigned64)COP_SD(((instruction >> 26) & 0x3),destreg); { StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); } } } } } 101100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDL "sdl r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 7; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (!BigEndianMem) paddr &= ~mask; memval = (op2 >> (8 * (7 - byte))); StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL); } } } } 101101,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDR "sdr r, (r)" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 7; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (!BigEndianMem) paddr &= ~mask; memval = ((unsigned64) op2 << (byte * 8)); StoreMemory(uncached,(AccessLength_DOUBLEWORD - byte),memval,memval1,paddr,vaddr,isREAL); } } } } 101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH "sh r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 1) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 1; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); byte = ((vaddr & mask) ^ (bigend << shift)); memval = ((unsigned64) op2 << (8 * byte)); { StoreMemory(uncached,AccessLength_HALFWORD,memval,memval1,paddr,vaddr,isREAL); } } } } } 00000000000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLL "sll r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = SHIFT; 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: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = MASKED (GPR[RS], 4, 0); unsigned32 temp = (GPR[RT] << s); GPR[RD] = EXTEND32 (temp); } 000000,5.RS,5.RT,5.RD,00000101010:SPECIAL:32::SLT "slt r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = (GPR[RS] < GPR[RT]); } 001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI "slti r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = (GPR[RS] < EXTEND16 (IMMEDIATE)); } 001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU "sltiu r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE)); } 000000,5.RS,5.RT,5.RD,00000101011:SPECIAL:32::SLTU "sltu r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]); } 000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA "sra r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = SHIFT; signed32 temp = (signed32) GPR[RT] >> s; GPR[RD] = EXTEND32 (temp); } 000000,5.RS,5.RT,5.RD,00000000111:SPECIAL:32::SRAV "srav r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = MASKED (GPR[RS], 4, 0); signed32 temp = (signed32) GPR[RT] >> s; GPR[RD] = EXTEND32 (temp); } 000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL "srl r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = SHIFT; 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: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { int s = MASKED (GPR[RS], 4, 0); unsigned32 temp = (unsigned32) GPR[RT] >> s; GPR[RD] = EXTEND32 (temp); } 000000,5.RS,5.RT,5.RD,00000100010:SPECIAL:32::SUB "sub r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { ALU32_BEGIN (GPR[RS]); ALU32_SUB (GPR[RT]); ALU32_END (GPR[RD]); } 000000,5.RS,5.RT,5.RD,00000100011:SPECIAL:32::SUBU "subu r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = EXTEND32 (GPR[RS] - GPR[RT]); } 101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW "sw r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); memval = ((unsigned64) op2 << (8 * byte)); { StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } } } } } 1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz "swc r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int destreg = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); memval = (((unsigned64)COP_SW(((instruction >> 26) & 0x3),destreg)) << (8 * byte)); { StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } } } } } 101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL "swl r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 3; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (!BigEndianMem) paddr &= ~mask; memval = (op2 >> (8 * (3 - byte))); if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) { memval <<= 32; } StoreMemory(uncached,byte,memval,memval1,paddr,vaddr,isREAL); } } } } 101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR "swr r, (r)" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + offset); address_word paddr; int uncached; { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 3; unsigned int reverse = (ReverseEndian ? mask : 0); unsigned int bigend = (BigEndianCPU ? mask : 0); int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverse)); byte = ((vaddr & mask) ^ bigend); if (!BigEndianMem) paddr &= ~mask; memval = ((unsigned64) op2 << (byte * 8)); if ((vaddr & (1 << 2)) ^ (BigEndianCPU << 2)) { memval <<= 32; } StoreMemory(uncached,(AccessLength_WORD - byte),memval,memval1,paddr,vaddr,isREAL); } } } } 000000000000000000000,5.STYPE,001111:SPECIAL:32::SYNC "sync":STYPE == 0 "sync " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { SyncOperation (STYPE); } 000000,20.CODE,001100:SPECIAL:32::SYSCALL "syscall " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { SignalException(SystemCall, instruction_0); } 000000,5.RS,5.RT,10.CODE,110100:SPECIAL:32::TEQ "teq r, r" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] == GPR[RT]) SignalException(Trap, instruction_0); } 000001,5.RS,01100,16.IMMEDIATE:REGIMM:32::TEQI "teqi r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] == EXTEND16 (IMMEDIATE)) SignalException(Trap, instruction_0); } 000000,5.RS,5.RT,10.CODE,110000:SPECIAL:32::TGE "tge r, r" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] >= GPR[RT]) SignalException(Trap, instruction_0); } 000001,5.RS,01000,16.IMMEDIATE:REGIMM:32::TGEI "tgei r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] >= EXTEND16 (IMMEDIATE)) SignalException(Trap, instruction_0); } 000001,5.RS,01001,16.IMMEDIATE:REGIMM:32::TGEIU "tgeiu r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE)) SignalException(Trap, instruction_0); } 000000,5.RS,5.RT,10.CODE,110001:SPECIAL:32::TGEU "tgeu r, r" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT]) SignalException(Trap, instruction_0); } 000000,5.RS,5.RT,10.CODE,110010:SPECIAL:32::TLT "tlt r, r" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] < GPR[RT]) SignalException(Trap, instruction_0); } 000001,5.RS,01010,16.IMMEDIATE:REGIMM:32::TLTI "tlti r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] < EXTEND16 (IMMEDIATE)) SignalException(Trap, instruction_0); } 000001,5.RS,01011,16.IMMEDIATE:REGIMM:32::TLTIU "tltiu r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE)) SignalException(Trap, instruction_0); } 000000,5.RS,5.RT,10.CODE,110011:SPECIAL:32::TLTU "tltu r, r" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]) SignalException(Trap, instruction_0); } 000000,5.RS,5.RT,10.CODE,110110:SPECIAL:32::TNE "tne r, r" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] != GPR[RT]) SignalException(Trap, instruction_0); } 000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI "tne r, " *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { if (GPR[RS] != EXTEND16 (IMMEDIATE)) SignalException(Trap, instruction_0); } 000000,5.RS,5.RT,5.RD,00000100110:SPECIAL:32::XOR "xor r, r, r" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RD] = GPR[RS] ^ GPR[RT]; } 001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI "xori r, r, " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { GPR[RT] = GPR[RS] ^ IMMEDIATE; } // // MIPS Architecture: // // FPU Instruction Set (COP1 & COP1X) // :%s::::FMT:int fmt { switch (fmt) { case fmt_single: return "s"; case fmt_double: return "d"; case fmt_word: return "w"; case fmt_long: return "l"; default: return "?"; } } :%s::::TF:int tf { if (tf) return "t"; else return "f"; } :%s::::ND:int nd { if (nd) return "l"; else return ""; } :%s::::COND:int cond { switch (cond) { case 00: return "f"; case 01: return "un"; case 02: return "eq"; case 03: return "ueq"; case 04: return "olt"; case 05: return "ult"; case 06: return "ole"; case 07: return "ule"; case 010: return "sf"; case 011: return "ngle"; case 012: return "seq"; case 013: return "ngl"; case 014: return "lt"; case 015: return "nge"; case 016: return "le"; case 017: return "ngt"; default: return "?"; } } 010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt "abs.%s f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,AbsoluteValue(ValueFPR(fs,format),format)); } } 010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD "add.%s f, f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction, instruction); else StoreFPR(destreg,format,Add(ValueFPR(fs,format),ValueFPR(ft,format),format)); } } // // FIXME: This does not correctly resolve mipsI-mipsIV differences. // // BC1F // BC1FL // BC1T // BC1TL 010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1 "bc1%s%s ":CC == 0 "bc1%s%s , " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)(((instruction >> 0) & 0x0000FFFF) << 2),18); int boolean = ((instruction >> 16) & 0x00000001); int likely = ((instruction >> 17) & 0x00000001); int condition_code = ((instruction >> 18) & 0x00000007); { if (condition_code != 0) SignalException(ReservedInstruction,instruction); else { int condition = (PREVCOC1() == boolean); /* NOTE: The branch occurs AFTER the next instruction has been executed */ if (condition) { DELAY_SLOT (PC + offset); } else if (likely) { NULLIFY_NEXT_INSTRUCTION (); } } } } // // FIXME: This does not correctly differentiate between mips* // 010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32::C.cond.fmt "c.%s.%s f, f":CC == 0 "c.%s.%s , f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int cmpflags = ((instruction >> 0) & 0x0000000F); int condition_code = ((instruction >> 8) & 0x00000007); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); if (condition_code != 0) { SignalException(ReservedInstruction,instruction); } else { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else { if (condition_code != 0) SignalException(ReservedInstruction,instruction); else { int ignore = 0; int less = 0; int equal = 0; int unordered = 1; unsigned64 ofs = ValueFPR(fs,format); unsigned64 oft = ValueFPR(ft,format); if (NaN(ofs,format) || NaN(oft,format)) { if (FCSR & FP_ENABLE(IO)) { FCSR |= FP_CAUSE(IO); SignalExceptionFPE(); ignore = 1; } } else { less = Less(ofs,oft,format); equal = Equal(ofs,oft,format); unordered = 0; } if (!ignore) { int condition = (((cmpflags & (1 << 2)) && less) || ((cmpflags & (1 << 1)) && equal) || ((cmpflags & (1 << 0)) && unordered)); SETFCC(condition_code,condition); } } } } } 010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64::CEIL.L.fmt "ceil.l.%s f, f" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_long)); } } 010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32::CEIL.W *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(fs,format),format,fmt_word)); } } // CFC1 // CTC1 01000100,x,10,kkkkk,vvvvv,00000000000:COP1S:32::CxC1 *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int to = ((instruction >> 23) & 0x00000001); { if (to) { if (fs == 0) { PENDING_FILL((fs + FCR0IDX),VL4_8(GPR[ft])); } else if (fs == 31) { PENDING_FILL((fs + FCR31IDX),VL4_8(GPR[ft])); } /* else NOP */ PENDING_FILL(COCIDX,0); /* special case */ } else { /* control from */ if (fs == 0) { PENDING_FILL(ft,SIGNEXTEND(FCR0,32)); } else if (fs == 31) { PENDING_FILL(ft,SIGNEXTEND(FCR31,32)); } /* else NOP */ } } } // // FIXME: Does not correctly differentiate between mips* // 010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32::CVT.D.fmt "cvt.d.%s f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format == fmt_double) | 0) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_double,Convert(GETRM(),ValueFPR(fs,format),format,fmt_double)); } } 010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64::CVT.L.fmt "cvt.l.%s f, f" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format == fmt_long) | ((format == fmt_long) || (format == fmt_word))) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_long,Convert(GETRM(),ValueFPR(fs,format),format,fmt_long)); } } // // FIXME: Does not correctly differentiate between mips* // 010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32::CVT.S.fmt "cvt.s.%s f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format == fmt_single) | 0) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_single,Convert(GETRM(),ValueFPR(fs,format),format,fmt_single)); } } 010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32::CVT.W.fmt "cvt.w.%s f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format == fmt_word) | ((format == fmt_long) || (format == fmt_word))) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_word,Convert(GETRM(),ValueFPR(fs,format),format,fmt_word)); } } 010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32::DIV.fmt "div.%s f, f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,Divide(ValueFPR(fs,format),ValueFPR(ft,format),format)); } } // DMFC1 // DMTC1 01000100,x,01,5.FT,vvvvv,00000000000:COP1S:64::DMxC1 *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int to = ((instruction >> 23) & 0x00000001); { if (to) { if (SizeFGR() == 64) { PENDING_FILL((fs + FGRIDX),GPR[ft]); } else if ((fs & 0x1) == 0) { PENDING_FILL(((fs + 1) + FGRIDX),VH4_8(GPR[ft])); PENDING_FILL((fs + FGRIDX),VL4_8(GPR[ft])); } } else { if (SizeFGR() == 64) { PENDING_FILL(ft,FGR[fs]); } else if ((fs & 0x1) == 0) { PENDING_FILL(ft,(SET64HI(FGR[fs+1]) | FGR[fs])); } else { PENDING_FILL(ft,SET64HI(0xDEADC0DE) | 0xBAD0BAD0); } } } } 010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64::FLOOR.L.fmt "floor.l.%s f, f" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_long)); } } 010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32::FLOOR.W.fmt "floor.w.%s f, f" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(fs,format),format,fmt_word)); } } // LDC1 110101,5.BASE,5.FT,16.OFFSET:COP1:32::LDC1 010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64::LDXC1 "ldxc1 f, r(r)" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + op2); address_word paddr; int uncached; if ((vaddr & 7) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); COP_LD(1,destreg,memval);; } } } } // LWC1 110001,5.BASE,5.FT,16.OFFSET:COP1:32::LWC1 010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:32::LWXC1 "lwxc1 f, r(r)" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + op2); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressLoad(); else { if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int shift = 2; unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); byte = ((vaddr & mask) ^ (bigend << shift)); COP_LW(1,destreg,(unsigned int)((memval >> (8 * byte)) & 0xFFFFFFFF)); } } } } // // FIXME: Not correct for mips* // 010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32::MADD.D "madd.d f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_double,Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double)); } } 010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32::MADD.S "madd.s f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_single,Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single)); } } // MFC1 010001,00,X,00,5.RT,5.FS,00000000000:COP1S:32::MxC1 "mc1 r, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int to = ((instruction >> 23) & 0x00000001); { if (to) { if (SizeFGR() == 64) { PENDING_FILL ((fs + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[ft]))); } else { PENDING_FILL ((fs + FGRIDX), VL4_8(GPR[ft])); } } else { PENDING_FILL (ft, SIGNEXTEND(FGR[fs],32)); } } } 010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32::MOV.fmt "mov.%s f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { StoreFPR(destreg,format,ValueFPR(fs,format)); } } // MOVF 000000,5.RS,3.CC,0,1.TF,5.RD,00000000001:SPECIAL:32::MOVtf "mov%s r, r, " *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { if (GETFCC(CC) == TF) GPR[RD] = GPR[RS]; } // MOVF.fmt 010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32::MOVtf.fmt "mov%s.%s f, f, " *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int format = ((instruction >> 21) & 0x00000007); { if (GETFCC(CC) == TF) StoreFPR (FD, format, ValueFPR (FS, format)); else StoreFPR (FD, format, ValueFPR (FD, format)); } } 010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32::MOVN.fmt *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { StoreFPR(destreg,format,ValueFPR(fs,format)); } } // MOVT see MOVtf // MOVT.fmt see MOVtf.fmt 010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32::MOVZ.fmt "movz.%s f, f, r" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { StoreFPR(destreg,format,ValueFPR(fs,format)); } } // MSUB.fmt 010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32::MSUB.D "msub.d f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_double,(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); } } // MSUB.fmt 010011,5.FR,5.FT,5.FS,5.FD,101000:COP1X:32::MSUB.S "msub.s f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_single,(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); } } // MTC1 see MxC1 010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32::MUL.fmt "mul.%s f, f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,Multiply(ValueFPR(fs,format),ValueFPR(ft,format),format)); } } 010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32::NEG.fmt "neg.%s f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,Negate(ValueFPR(fs,format),format)); } } // NMADD.fmt 010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32::NMADD.D "nmadd.d f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_double,Negate(Add(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); } } // NMADD.fmt 010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32::NMADD.S "nmadd.s f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_single,Negate(Add(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); } } // NMSUB.fmt 010011,5.FR,5.FT,5.FS,5.FD,111001:COP1X:32::NMSUB.D "nmsub.d f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_double,Negate(Sub(Multiply(ValueFPR(fs,fmt_double),ValueFPR(ft,fmt_double),fmt_double),ValueFPR(fr,fmt_double),fmt_double),fmt_double)); } } // NMSUB.fmt 010011,5.FR,5.FT,5.FS,5.FD,111000:COP1X:32::NMSUB.S "nmsub.s f, f, f, f" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int fr = ((instruction >> 21) & 0x0000001F); { StoreFPR(destreg,fmt_single,Negate(Sub(Multiply(ValueFPR(fs,fmt_single),ValueFPR(ft,fmt_single),fmt_single),ValueFPR(fr,fmt_single),fmt_single),fmt_single)); } } 010011,5.BASE,5.INDEX,5.HINT,00000001111:COP1X:32::PREFX "prefx , r(r)" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int fs = ((instruction >> 11) & 0x0000001F); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + (unsigned64)op2); address_word paddr; int uncached; if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) Prefetch(uncached,paddr,vaddr,isDATA,fs); } } 010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32::RECIP.fmt *mipsIV: "recip.%s f, f" // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,Recip(ValueFPR(fs,format),format)); } } 010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64::ROUND.L.fmt "round.l.%s f, f" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_long)); } } 010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32::ROUND.W.fmt "round.w.%s f, f" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(fs,format),format,fmt_word)); } } 010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32::RSQRT.fmt *mipsIV: "rsqrt.%s f, f" // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,Recip(SquareRoot(ValueFPR(fs,format),format),format)); } } // SDC1 010011,5.RS,5.RT,vvvvv,00000001001:COP1X:64::SDXC1 *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int fs = ((instruction >> 11) & 0x0000001F); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + op2); address_word paddr; int uncached; if ((vaddr & 7) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; memval = (unsigned64)COP_SD(1,fs); { StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); } } } } } 010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32::SQRT.fmt "sqrt.%s f, f" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,(SquareRoot(ValueFPR(fs,format),format))); } } 010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32::SUB.fmt "sub.%s f, f, f" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int ft = ((instruction >> 16) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,format,Sub(ValueFPR(fs,format),ValueFPR(ft,format),format)); } } // SWC1 010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32::SWXC1 "swxc1 f, r(r)" *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 { unsigned32 instruction = instruction_0; int fs = ((instruction >> 11) & 0x0000001F); signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = ((unsigned64)op1 + op2); address_word paddr; int uncached; if ((vaddr & 3) != 0) SignalExceptionAddressStore(); else { if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) { unsigned64 memval = 0; unsigned64 memval1 = 0; unsigned64 mask = 0x7; unsigned int byte; paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); memval = (((unsigned64)COP_SW(1,fs)) << (8 * byte)); { StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); } } } } } 010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64::TRUNC.L.fmt "trunc.l.%s f, f" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_long)); } } 010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32::TRUNC.W "trunc.w.%s f, f" *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; int destreg = ((instruction >> 6) & 0x0000001F); int fs = ((instruction >> 11) & 0x0000001F); int format = ((instruction >> 21) & 0x00000007); { if ((format != fmt_single) && (format != fmt_double)) SignalException(ReservedInstruction,instruction); else StoreFPR(destreg,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(fs,format),format,fmt_word)); } } // // MIPS Architecture: // // System Control Instruction Set (COP0) // 010000,01000,00000,16.OFFSET:COP0:32::BC0F "bc0f " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,01000,00010,16.OFFSET:COP0:32::BC0FL "bc0fl " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,01000,00001,16.OFFSET:COP0:32::BC0T "bc0t " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,01000,00011,16.OFFSET:COP0:32::BC0TL "bc0tl " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 *r3900: // start-sanitize-tx19 *tx19: // end-sanitize-tx19 { unsigned32 instruction = instruction_0; signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); int hint = ((instruction >> 16) & 0x0000001F); signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; { address_word vaddr = (op1 + offset); address_word paddr; int uncached; if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) CacheOp(hint,vaddr,paddr,instruction); } } 010000,10000,000000000000000,111001:COP0:32::DI "di" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,10000,000000000000000,111000:COP0:32::EI "ei" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,10000,000000000000000,011000:COP0:32::ERET "eret" *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0 "mfc0 r, r # " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0 "mtc0 r, r # " *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,10000,000000000000000,001000:COP0:32::TLBP "tlbp" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,10000,000000000000000,000001:COP0:32::TLBR "tlbr" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,10000,000000000000000,000010:COP0:32::TLBWI "tlbwi" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 010000,10000,000000000000000,000110:COP0:32::TLBWR "tlbwr" *mipsI: *mipsII: *mipsIII: *mipsIV: // start-sanitize-vr5400 *vr5400: // end-sanitize-vr5400 // start-sanitize-r5900 *r5900: // end-sanitize-r5900 :include:::m16.igen // start-sanitize-vr5400 :include::vr5400:vr5400.igen // end-sanitize-vr5400 // start-sanitize-r5900 :include::r5900:r5900.igen // end-sanitize-r5900 // start-sanitize-cygnus-never // // FIXME FIXME FIXME What is this instruction? // 111011,5.RS,5.RT,16.OFFSET:NORMAL:32:: // *mipsI: // *mipsII: // *mipsIII: // *mipsIV: // // start-sanitize-r5900 // *r5900: // // end-sanitize-r5900 // *r3900: // // start-sanitize-tx19 // *tx19: // // end-sanitize-tx19 // { // unsigned32 instruction = instruction_0; // signed_word offset = SIGNEXTEND((signed_word)((instruction >> 0) & 0x0000FFFF),16); // signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; // signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; // { // if (CoProcPresent(3)) // SignalException(CoProcessorUnusable); // else // SignalException(ReservedInstruction,instruction); // } // } // end-sanitize-cygnus-never // start-sanitize-cygnus-never // // FIXME FIXME FIXME What is this? // 11100,******,00001:RR:16::SDBBP // *mips16: // { // unsigned32 instruction = instruction_0; // if (have_extendval) // SignalException (ReservedInstruction, instruction); // { // SignalException(DebugBreakPoint,instruction); // } // } // end-sanitize-cygnus-never // start-sanitize-cygnus-never // // FIXME FIXME FIXME What is this? // 000000,********************,001110:SPECIAL:32::SDBBP // *r3900: // { // unsigned32 instruction = instruction_0; // { // SignalException(DebugBreakPoint,instruction); // } // } // end-sanitize-cygnus-never // start-sanitize-cygnus-never // // FIXME FIXME FIXME This apparently belongs to the vr4100 which // // isn't yet reconized by this simulator. // 000000,5.RS,5.RT,0000000000101000:SPECIAL:32::MADD16 // *vr4100: // { // unsigned32 instruction = instruction_0; // signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; // signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; // { // CHECKHILO("Multiply-Add"); // { // unsigned64 temp = (op1 * op2); // temp += (SET64HI(VL4_8(HI)) | VL4_8(LO)); // LO = SIGNEXTEND((unsigned64)VL4_8(temp),32); // HI = SIGNEXTEND((unsigned64)VH4_8(temp),32); // } // } // } // end-sanitize-cygnus-never // start-sanitize-cygnus-never // // FIXME FIXME FIXME This apparently belongs to the vr4100 which // // isn't yet reconized by this simulator. // 000000,5.RS,5.RT,0000000000101001:SPECIAL:64::DMADD16 // *vr4100: // { // unsigned32 instruction = instruction_0; // signed_word op2 = GPR[((instruction >> 16) & 0x0000001F)]; // signed_word op1 = GPR[((instruction >> 21) & 0x0000001F)]; // { // CHECKHILO("Multiply-Add"); // { // unsigned64 temp = (op1 * op2); // LO = LO + temp; // } // } // } // start-sanitize-cygnus-never