diff options
Diffstat (limited to 'sim/mips/m16.igen')
-rw-r--r-- | sim/mips/m16.igen | 1500 |
1 files changed, 0 insertions, 1500 deletions
diff --git a/sim/mips/m16.igen b/sim/mips/m16.igen deleted file mode 100644 index af88375c42..0000000000 --- a/sim/mips/m16.igen +++ /dev/null @@ -1,1500 +0,0 @@ -// -*- C -*- -// -// -// MIPS Architecture: -// -// CPU Instruction Set (mips16) -// - -// The instructions in this section are ordered according -// to http://www.sgi.com/MIPS/arch/MIPS16/mips16.pdf. - - -// The MIPS16 codes registers in a special way, map from one to the other. -// :<type>:<flags>:<models>:<typedef>:<name>:<field>:<expression> -:compute:::int:TRX:RX:((RX < 2) ? (16 + RX) \: RX) -:compute:::int:TRY:RY:((RY < 2) ? (16 + RY) \: RY) -:compute:::int:TRZ:RZ:((RZ < 2) ? (16 + RZ) \: RZ) -:compute:::int:SHIFT:SHAMT:((SHAMT == 0) ? 8 \: SHAMT) - -:compute:::int:SHAMT:SHAMT_4_0,S5:(LSINSERTED (S5, 5, 5) | SHAMT_4_0) - -:compute:::address_word:IMMEDIATE:IMM_25_21,IMM_20_16,IMMED_15_0:(LSINSERTED (IMM_25_21, 25, 21) | LSINSERTED (IMM_20_16, 20, 16) | LSINSERTED (IMMED_15_0, 15, 0)) -:compute:::int:R32:R32L,R32H:((R32H << 3) | R32L) - -:compute:::address_word:IMMEDIATE:IMM_10_5,IMM_15_11,IMM_4_0:(LSINSERTED (IMM_10_5, 10, 5) | LSINSERTED (IMM_15_11, 15, 11) | LSINSERTED (IMM_4_0, 4, 0)) - -:compute:::address_word:IMMEDIATE:IMM_10_4,IMM_14_11,IMM_3_0:(LSINSERTED (IMM_10_4, 10, 4) | LSINSERTED (IMM_14_11, 14, 11) | LSINSERTED (IMM_3_0, 3, 0)) - -// FIXME: -// -// Only the `LB' instruction is implemented. It should be used as a guideline -// when implementing other instructions. -// -// How to handle delayslots (for jumps) and extended lwpc instructions -// has not been resolved. - - -// Load and Store Instructions - - -10000,3.RX,3.RY,5.IMMED:RRI:16::LB -"lb r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[TRX], IMMED)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10000,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::LB -"lb r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[TRX], EXTEND16 (IMMEDIATE))); -} - - - -10100,3.RX,3.RY,5.IMMED:RRI:16::LBU -"lbu r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_BYTE, GPR[TRX], IMMED); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10100,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::LBU -"lbu r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_BYTE, GPR[TRX], EXTEND16 (IMMEDIATE)); -} - - - -10001,3.RX,3.RY,5.IMMED:RRI:16::LH -"lh r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10001,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::LH -"lh r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[TRX], EXTEND16 (IMMEDIATE))); -} - - - -10101,3.RX,3.RY,5.IMMED:RRI:16::LHU -"lhu r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10101,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::LHU -"lhu r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_HALFWORD, GPR[TRX], EXTEND16 (IMMEDIATE)); -} - - - -10011,3.RX,3.RY,5.IMMED:RRI:16::LW -"lw r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10011,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::LW -"lw r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[TRX], EXTEND16 (IMMEDIATE))); -} - - - -10110,3.RX,8.IMMED:RI:16::LWPC -"lw r<TRX>, <IMMED> (PC)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, - basepc (SD_) & ~3, IMMED << 2)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10110,3.RX,000,5.IMM_4_0:EXT-RI:16::LWPC -"lw r<TRX>, <IMMEDIATE> (PC)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, basepc (SD_) & ~3, EXTEND16 (IMMEDIATE))); -} - - - -10010,3.RX,8.IMMED:RI:16::LWSP -"lw r<TRX>, <IMMED> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, SP, IMMED << 2)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10010,3.RX,000,5.IMM_4_0:EXT-RI:16::LWSP -"lw r<TRX>, <IMMEDIATE> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRX] = EXTEND32 (do_load (SD_, AccessLength_WORD, SP, EXTEND16 (IMMEDIATE))); -} - - - -10111,3.RX,3.RY,5.IMMED:RRI:16::LWU -"lwu r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 10111,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::LWU -"lwu r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_WORD, GPR[TRX], EXTEND16 (IMMEDIATE)); -} - - - -00111,3.RX,3.RY,5.IMMED:RRI:16,64::LD -"ld r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, GPR[TRX], IMMED << 3); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 00111,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16,64::LD -"ld r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, GPR[TRX], EXTEND16 (IMMEDIATE)); -} - - - -11111,100,3.RY,5.IMMED:RI64:16::LDPC -"ld r<TRY>, <IMMED> (PC)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, - basepc (SD_) & ~7, IMMED << 3); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,100,3.RY,5.IMM_4_0:EXT-RI64:16::LDPC -"ld r<TRY>, <IMMEDIATE> (PC)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, basepc (SD_) & ~7, EXTEND16 (IMMEDIATE)); -} - - - -11111,000,3.RY,5.IMMED:RI64:16::LDSP -"ld r<TRY>, <IMMED> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,000,3.RY,5.IMM_4_0:EXT-RI64:16::LDSP -"ld r<TRY>, <IMMEDIATE> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = do_load (SD_, AccessLength_DOUBLEWORD, SP, EXTEND16 (IMMEDIATE)); -} - - - -11000,3.RX,3.RY,5.IMMED:RRI:16::SB -"sb r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_BYTE, GPR[TRX], IMMED, GPR[TRY]); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11000,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::SB -"sb r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_BYTE, GPR[TRX], EXTEND16 (IMMEDIATE), GPR[TRY]); -} - - - -11001,3.RX,3.RY,5.IMMED:RRI:16::SH -"sh r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_HALFWORD, GPR[TRX], IMMED << 1, GPR[TRY]); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11001,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::SH -"sh r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_HALFWORD, GPR[TRX], EXTEND16 (IMMEDIATE), GPR[TRY]); -} - - - -11011,3.RX,3.RY,5.IMMED:RRI:16::SW -"sw r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_WORD, GPR[TRX], IMMED << 2, GPR[TRY]); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11011,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::SW -"sw r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_WORD, GPR[TRX], EXTEND16 (IMMEDIATE), GPR[TRY]); -} - - - -11010,3.RX,8.IMMED:RI:16::SWSP -"sw r<TRX>, <IMMED> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_WORD, SP, IMMED << 2, GPR[TRX]); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11010,3.RX,000,5.IMM_4_0:EXT-RI:16::SWSP -"sw r<TRX>, <IMMEDIATE> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_WORD, SP, EXTEND16 (IMMEDIATE), GPR[TRX]); -} - - - -01100,010,8.IMMED:I8:16::SWRASP -"sw r<RAIDX>, <IMMED> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_WORD, SP, IMMED << 2, RA); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01100,010,000,5.IMM_4_0:EXT-I8:16::SWRASP -"sw r<RAIDX>, <IMMEDIATE> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_WORD, SP, EXTEND16 (IMMEDIATE), RA); -} - - - -01111,3.RX,3.RY,5.IMMED:RRI:16::SD -"sd r<TRY>, <IMMED> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_DOUBLEWORD, GPR[TRX], IMMED << 3, GPR[TRY]); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01111,3.RX,3.RY,5.IMM_4_0:EXT-RRI:16::SD -"sd r<TRY>, <IMMEDIATE> (r<TRX>)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_DOUBLEWORD, GPR[TRX], EXTEND16 (IMMEDIATE), GPR[TRY]); -} - - - -11111,001,3.RY,5.IMMED:RI64:16::SDSP -"sd r<TRY>, <IMMED> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3, GPR[TRY]); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,001,3.RY,5.IMM_4_0:EXT-RI64:16::SDSP -"sd r<TRY>, <IMMEDIATE> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_DOUBLEWORD, SP, EXTEND16 (IMMEDIATE), GPR[TRY]); -} - - - -11111,010,8.IMMED:I64:16::SDRASP -"sd r<RAIDX>, <IMMED> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_DOUBLEWORD, SP, IMMED << 3, RA); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,010,000,5.IMM_4_0:EXT-I64:16::SDRASP -"sd r<RAIDX>, <IMMEDIATE> (SP)" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_store (SD_, AccessLength_DOUBLEWORD, SP, EXTEND16 (IMMEDIATE), RA); -} - - - -// ALU Immediate Instructions - - -01101,3.RX,8.IMMED:RI:16::LI -"li r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_ori (SD_, 0, TRX, IMMED); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01101,3.RX,000,5.IMM_4_0:EXT-RI:16::LI -"li r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_ori (SD_, 0, TRX, IMMEDIATE); -} - - - -01000,3.RX,3.RY,0,4.IMMED:RRI-A:16::ADDIU -"addiu r<TRY>, r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, TRX, TRY, EXTEND4 (IMMED)); -} - -11110,7.IMM_10_4,4.IMM_14_11 + 01000,3.RX,3.RY,0,4.IMM_3_0:EXT-RRI-A:16::ADDIU -"addiu r<TRY>, r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, TRX, TRY, EXTEND15 (IMMEDIATE)); -} - - - -01001,3.RX,8.IMMED:RI:16::ADDIU8 -"addiu r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, TRX, TRX, EXTEND8 (IMMED)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01001,3.RX,000,5.IMM_4_0:EXT-RI:16::ADDIU8 -"addiu r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, TRX, TRX, EXTEND16 (IMMEDIATE)); -} - - - -01100,011,8.IMMED:I8:16::ADJSP -"addiu SP, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, SPIDX, SPIDX, EXTEND8 (IMMED) << 3); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01100,011,000,5.IMM_4_0:EXT-I8:16::ADJSP -"addiu SP, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, SPIDX, SPIDX, EXTEND16 (IMMEDIATE)); -} - - - -00001,3.RX,8.IMMED:RI:16::ADDIUPC -"addiu r<TRX>, PC, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - unsigned32 temp = (basepc (SD_) & ~3) + (EXTEND8 (IMMED) << 2); - GPR[TRX] = EXTEND32 (temp); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 00001,3.RX,000,5.IMM_4_0:EXT-RI:16::ADDIUPC -"addiu r<TRX>, PC, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - unsigned32 temp = (basepc (SD_) & ~3) + EXTEND16 (IMMEDIATE); - GPR[TRX] = EXTEND32 (temp); -} - - - -00000,3.RX,8.IMMED:RI:16::ADDIUSP -"addiu r<TRX>, SP, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, SPIDX, TRX, EXTEND8 (IMMED) << 2); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 00000,3.RX,000,5.IMM_4_0:EXT-RI:16::ADDIUSP -"addiu r<TRX>, SP, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addiu (SD_, SPIDX, TRX, EXTEND16 (IMMEDIATE)); -} - - - -01000,3.RX,3.RY,1,4.IMMED:RRI-A:16,64::DADDIU -"daddiu r<TRY>, r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, TRX, TRY, EXTEND4 (IMMED)); -} - -11110,7.IMM_10_4,4.IMM_14_11 + 01000,3.RX,3.RY,1,4.IMM_3_0:EXT-RRI-A:16,64::DADDIU -"daddiu r<TRY>, r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, TRX, TRY, EXTEND15 (IMMEDIATE)); -} - - - -11111,101,3.RY,5.IMMED:RI64:16,64::DADDIU5 -"daddiu r<TRY>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, TRY, TRY, EXTEND5 (IMMED)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,101,3.RY,5.IMM_4_0:EXT-RI64:16,64::DADDIU5 -"daddiu r<TRY>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, TRY, TRY, EXTEND5 (IMMEDIATE)); -} - - - -11111,011,8.IMMED:I64:16,64::DADJSP -"daddiu SP, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, SPIDX, SPIDX, EXTEND8 (IMMED) << 3); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,011,000,5.IMM_4_0:EXT-I64:16,64::DADJSP -"daddiu SP, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, SPIDX, SPIDX, EXTEND16 (IMMEDIATE)); -} - - - -11111,110,3.RY,5.IMMED:RI64:16,64::DADDIUPC -"daddiu r<TRY>, PC, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = (basepc (SD_) & ~3) + (EXTEND5 (IMMED) << 2); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,110,3.RY,5.IMM_4_0:EXT-RI64:16,64::DADDIUPC -"daddiu r<TRY>, PC, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - GPR[TRY] = (basepc (SD_) & ~3) + EXTEND5 (IMMED); -} - - - -11111,111,3.RY,5.IMMED:RI64:16,64::DADDIUSP -"daddiu r<TRY>, SP, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, SPIDX, TRY, EXTEND5 (IMMED) << 2); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 11111,111,3.RY,5.IMM_4_0:EXT-RI64:16,64::DADDIUSP -"daddiu r<TRY>, SP, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddiu (SD_, SPIDX, TRY, EXTEND5 (IMMED)); -} - - - -01010,3.RX,8.IMMED:RI:16::SLTI -"slti r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_slti (SD_, TRX, T8IDX, IMMED); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01010,3.RX,000,5.IMM_4_0:EXT-RI:16::SLTI -"slti r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_slti (SD_, TRX, T8IDX, IMMEDIATE); -} - - - -01011,3.RX,8.IMMED:RI:16::SLTIU -"sltiu r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sltiu (SD_, TRX, T8IDX, IMMED); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01011,3.RX,000,5.IMM_4_0:EXT-RI:16::SLTIU -"sltiu r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sltiu (SD_, TRX, T8IDX, IMMEDIATE); -} - - - -11101,3.RX,3.RY,01010:RR:16::CMP -"sltiu r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_xor (SD_, TRX, TRY, T8IDX); -} - - -01110,3.RX,8.IMMED:RI:16::CMPI -"sltiu r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_xori (SD_, TRX, T8IDX, IMMED); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01110,3.RX,000,5.IMM_4_0:EXT-RI:16::CMPI -"sltiu r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_xori (SD_, TRX, T8IDX, IMMEDIATE); -} - - - -// Two/Three Operand, Register-Type - - - -11100,3.RX,3.RY,3.RZ,01:RRR:16::ADDU -"addu r<TRZ>, r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_addu (SD_, TRX, TRY, TRZ); -} - - - -11100,3.RX,3.RY,3.RZ,11:RRR:16::SUBU -"subu r<TRZ>, r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_subu (SD_, TRX, TRY, TRZ); -} - - - -11100,3.RX,3.RY,3.RZ,00:RRR:16,64::DADDU -"daddu r<TRZ>, r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_daddu (SD_, TRX, TRY, TRZ); -} - - - -11100,3.RX,3.RY,3.RZ,10:RRR:16,64::DSUBU -"dsubu r<TRZ>, r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsubu (SD_, TRX, TRY, TRZ); -} - - - -11101,3.RX,3.RY,00010:RR:16::SLT -"slt r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_slt (SD_, TRX, TRY, T8IDX); -} - - - -11101,3.RX,3.RY,00011:RR:16::SLTU -"sltu r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sltu (SD_, TRX, TRY, T8IDX); -} - - - -11101,3.RX,3.RY,01011:RR:16::NEG -"neg r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_subu (SD_, 0, TRY, TRX); -} - - - -11101,3.RX,3.RY,01100:RR:16::AND -"and r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_and (SD_, TRX, TRY, TRX); -} - - - -11101,3.RX,3.RY,01101:RR:16::OR -"or r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_or (SD_, TRX, TRY, TRX); -} - - - -11101,3.RX,3.RY,01110:RR:16::XOR -"xor r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_xor (SD_, TRX, TRY, TRX); -} - - - -11101,3.RX,3.RY,01111:RR:16::NOT -"not r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_nor (SD_, 0, TRY, TRX); -} - - - -01100,111,3.RY,5.R32:I8_MOVR32:16::MOVR32 -"move r<TRY>, r<R32>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_or (SD_, R32, 0, TRY); -} - - - -01100,101,3.R32L,2.R32H,3.RZ:I8_MOV32R:16::MOV32R -"move r<R32>, r<TRZ>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_or (SD_, TRZ, 0, R32); -} - - - -00110,3.RX,3.RY,3.SHAMT,00:SHIFT:16::SLL -"sll r<TRX>, r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sll (SD_, TRY, TRX, SHIFT); -} - -11110,5.SHAMT,0,00000 + 00110,3.RX,3.RY,000,00:EXT-SHIFT:16::SLL -"sll r<TRX>, r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sll (SD_, TRY, TRX, SHAMT); -} - - - -00110,3.RX,3.RY,3.SHAMT,10:SHIFT:16::SRL -"srl r<TRX>, r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_srl (SD_, TRY, TRX, SHIFT); -} - -11110,5.SHAMT,0,00000 + 00110,3.RX,3.RY,000,10:EXT-SHIFT:16::SRL -"srl r<TRX>, r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_srl (SD_, TRY, TRX, SHAMT); -} - - - -00110,3.RX,3.RY,3.SHAMT,11:SHIFT:16::SRA -"sra r<TRX>, r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sra (SD_, TRY, TRX, SHIFT); -} - -11110,5.SHAMT,0,00000 + 00110,3.RX,3.RY,000,11:EXT-SHIFT:16::SRA -"sra r<TRX>, r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sra (SD_, TRY, TRX, SHAMT); -} - - - -11101,3.RX,3.RY,00100:RR:16::SLLV -"sllv r<TRY>, r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_sllv (SD_, TRX, TRY, TRY); -} - - -11101,3.RX,3.RY,00110:RR:16::SRLV -"srlv r<TRY>, r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_srlv (SD_, TRX, TRY, TRY); -} - - -11101,3.RX,3.RY,00111:RR:16::SRAV -"srav r<TRY>, r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_srav (SD_, TRX, TRY, TRY); -} - - -00110,3.RX,3.RY,3.SHAMT,01:SHIFT:16,64::DSLL -"dsll r<TRY>, r<TRX>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsll (SD_, 0, TRY, TRX, SHIFT); -} - -11110,5.SHAMT_4_0,1.S5,00000 + 00110,3.RX,3.RY,000,01:EXT-SHIFT:16,64::DSLL -"dsll r<TRY>, r<TRX>, <SHAMT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsll (SD_, 0, TRY, TRX, SHAMT); -} - - - -11101,3.SHAMT,3.RY,01000:SHIFT64:16,64::DSRL -"dsrl r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsrl (SD_, 0, TRY, TRY, SHIFT); -} - -11110,5.SHAMT_4_0,1.S5,00000 + 11101,000,3.RY,01000:EXT-SHIFT64:16,64::DSRL -"dsrl r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsrl (SD_, 0, TRY, TRY, SHIFT); -} - - - -11101,3.SHAMT,3.RY,10011:SHIFT64:16,64::DSRA -"dsra r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsra (SD_, 0, TRY, TRY, SHIFT); -} - -11110,5.SHAMT_4_0,1.S5,00000 + 11101,000,3.RY,10011:EXT-SHIFT64:16,64::DSRA -"dsra r<TRY>, <SHIFT>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsra (SD_, 0, TRY, TRY, SHIFT); -} - - - -11101,3.RX,3.RY,10100:RR:16,64::DSLLV -"dsra r<TRY>, r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsllv (SD_, TRX, TRY, TRY); -} - - -11101,3.RX,3.RY,10110:RR:16,64::DSRLV -"dsrlv r<TRY>, r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsrlv (SD_, TRX, TRY, TRY); -} - - -11101,3.RX,3.RY,10111:RR:16,64::DSRAV -"dsrav r<TRY>, r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dsrav (SD_, TRX, TRY, TRY); -} - - -// Multiply /Divide Instructions - - -11101,3.RX,3.RY,11000:RR:16::MULT -"mult r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_mult (SD_, TRX, TRY, 0); -} - - -11101,3.RX,3.RY,11001:RR:16::MULTU -"multu r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_multu (SD_, TRX, TRY, 0); -} - - -11101,3.RX,3.RY,11010:RR:16::DIV -"div r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_div (SD_, TRX, TRY); -} - - -11101,3.RX,3.RY,11011:RR:16::DIVU -"divu r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_divu (SD_, TRX, TRY); -} - - -11101,3.RX,000,10000:RR:16::MFHI -"mfhi r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_mfhi (SD_, TRX); -} - - -11101,3.RX,000,10010:RR:16::MFLO -"mflo r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_mflo (SD_, TRX); -} - - -11101,3.RX,3.RY,11100:RR:16,64::DMULT -"dmult r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dmult (SD_, TRX, TRY); -} - - -11101,3.RX,3.RY,11101:RR:16,64::DMULTU -"dmultu r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_dmultu (SD_, TRX, TRY); -} - - -11101,3.RX,3.RY,11110:RR:16,64::DDIV -"ddiv r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_ddiv (SD_, TRX, TRY); -} - - -11101,3.RX,3.RY,11111:RR:16,64::DDIVU -"ddivu r<TRX>, r<TRY>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - do_ddivu (SD_, TRX, TRY); -} - - -// Jump and Branch Instructions - - - -// Issue instruction in delay slot of branch -:function:::address_word:delayslot16:address_word nia, address_word target -{ - instruction_word delay_insn; - sim_events_slip (SD, 1); - DSPC = CIA; /* save current PC somewhere */ - STATE |= simDELAYSLOT; - delay_insn = IMEM16 (nia); /* NOTE: mips16 */ - idecode_issue (CPU_, delay_insn, (nia)); - STATE &= ~simDELAYSLOT; - return target; -} - -// compute basepc dependant on us being in a delay slot -:function:::address_word:basepc: -{ - if (STATE & simDELAYSLOT) - { - return DSPC; /* return saved address of preceeding jmp */ - } - else - { - return CIA; - } -} - - -// JAL -00011,0,5.IMM_20_16,5.IMM_25_21 + 16.IMMED_15_0:JAL:16::JAL -"jal <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - address_word region = (NIA & MASK (63, 28)); - RA = NIA + 2; /* skip 16 bit delayslot insn */ - NIA = delayslot16 (SD_, NIA, (region | (IMMEDIATE << 2))) | 1; -} - - - -// JALX - 32 and 16 bit versions. - -011101,26.IMMED:JALX:32::JALX32 -"jalx <IMMED>" -*r3900: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - address_word region = (NIA & MASK (63, 28)); - RA = NIA + 4; /* skip 32 bit delayslot insn */ - NIA = delayslot32 (SD_, (region | (IMMED << 2)) | 1); -} - -00011,1,5.IMM_20_16,5.IMM_25_21 + 16.IMMED_15_0:JALX:16::JALX16 -"jalx <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - address_word region = (NIA & MASK (63, 28)); - RA = NIA + 2; /* 16 bit INSN */ - NIA = delayslot16 (SD_, NIA, (region | (IMMEDIATE << 2)) & ~1); -} - - - -11101,3.RX,000,00000:RR:16::JR -"jr r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - NIA = delayslot16 (SD_, NIA, GPR[TRX]); -} - - -11101,000,001,00000:RR:16::JRRA -"jrra" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - NIA = delayslot16 (SD_, NIA, RA); -} - - - -11101,3.RX,010,00000:RR:16::JALR -"jalr r<TRX>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - RA = NIA + 2; - NIA = delayslot16 (SD_, NIA, GPR[TRX]); -} - - - -00100,3.RX,8.IMMED:RI:16::BEQZ -"beqz r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (GPR[RX] == 0) - NIA = (NIA + (EXTEND8 (IMMED) << 1)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 00100,3.RX,000,5.IMM_4_0:EXT-RI:16::BEQZ -"beqz r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (GPR[RX] == 0) - NIA = (NIA + EXTEND16 (IMMEDIATE)); -} - - - -00101,3.RX,8.IMMED:RI:16::BNEZ -"bnez r<TRX>, <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (GPR[RX] != 0) - NIA = (NIA + (EXTEND8 (IMMED) << 1)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 00101,3.RX,000,5.IMM_4_0:EXT-RI:16::BNEZ -"bnez r<TRX>, <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (GPR[RX] != 0) - NIA = (NIA + EXTEND16 (IMMEDIATE)); -} - - - -01100,000,8.IMMED:I8:16::BTEQZ -"bteqz <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (T8 == 0) - NIA = (NIA + (EXTEND8 (IMMED) << 1)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01100,000,000,5.IMM_4_0:EXT-I8:16::BTEQZ -"bteqz <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (T8 == 0) - NIA = (NIA + EXTEND16 (IMMEDIATE)); -} - - - -01100,001,8.IMMED:I8:16::BTNEZ -"btnez <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (T8 != 0) - NIA = (NIA + (EXTEND8 (IMMED) << 1)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 01100,001,000,5.IMM_4_0:EXT-I8:16::BTNEZ -"btnez <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - if (T8 != 0) - NIA = (NIA + EXTEND16 (IMMEDIATE)); -} - - - -00010,11.IMMED:I:16::B -"b <IMMED>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - NIA = (NIA + (EXTEND8 (IMMED) << 1)); -} - -11110,6.IMM_10_5,5.IMM_15_11 + 00010,6.0,5.IMM_4_0:EXT-I:16::B -"b <IMMEDIATE>" -*mips16: -// start-sanitize-tx19 -*tx19: -// end-sanitize-tx19 -{ - NIA = (NIA + EXTEND16 (IMMEDIATE)); -} - - - -// Special Instructions - - -// See the front of the mips16 doc -// -> FIXME need this for most instructions -//// 11110,eeeeeeeeeee:I:16::EXTEND -//// *mips16: -//// // start-sanitize-tx19 -//// *tx19: -//// // end-sanitize-tx19 - - -// 11101,3.RX,3.RY,00101:RR:16::BREAK -// *mips16: -// // start-sanitize-tx19 -// *tx19: -// // end-sanitize-tx19 |