diff options
Diffstat (limited to 'src/arch/mips/isa/decoder.isa')
-rw-r--r-- | src/arch/mips/isa/decoder.isa | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/arch/mips/isa/decoder.isa b/src/arch/mips/isa/decoder.isa index b1cd03ca1..8af504e55 100644 --- a/src/arch/mips/isa/decoder.isa +++ b/src/arch/mips/isa/decoder.isa @@ -416,16 +416,16 @@ decode OPCODE_HI default Unknown::unknown() { Ctrl_Base_DepTag); break; case 25: - data = 0 | fcsr_val & 0xFE000000 >> 24 - | fcsr_val & 0x00800000 >> 23; + data = (fcsr_val & 0xFE000000 >> 24) + | (fcsr_val & 0x00800000 >> 23); break; case 26: - data = 0 | fcsr_val & 0x0003F07C; + data = fcsr_val & 0x0003F07C; break; case 28: - data = 0 | fcsr_val & 0x00000F80 - | fcsr_val & 0x01000000 >> 21 - | fcsr_val & 0x00000003; + data = (fcsr_val & 0x00000F80) + | (fcsr_val & 0x01000000 >> 21) + | (fcsr_val & 0x00000003); break; case 31: data = fcsr_val; @@ -603,7 +603,8 @@ decode OPCODE_HI default Unknown::unknown() { 0xA: rdpgpr({{ if(Config_AR >= 1) { // Rev 2 of the architecture - Rd = xc->tcBase()->readIntReg(RT + NumIntRegs * SRSCtl_PSS); + panic("Shadow Sets Not Fully Implemented.\n"); + //Rd = xc->tcBase()->readIntReg(RT + NumIntRegs * SRSCtl_PSS); } else { @@ -613,7 +614,8 @@ decode OPCODE_HI default Unknown::unknown() { 0xE: wrpgpr({{ if(Config_AR >= 1) { // Rev 2 of the architecture - xc->tcBase()->setIntReg(RD + NumIntRegs * SRSCtl_PSS,Rt); + panic("Shadow Sets Not Fully Implemented.\n"); + //xc->tcBase()->setIntReg(RD + NumIntRegs * SRSCtl_PSS,Rt); // warn("Writing %d to %d, PSS: %d, SRS: %x\n",Rt,RD + NumIntRegs * SRSCtl_PSS, SRSCtl_PSS,SRSCtl); } else @@ -1963,7 +1965,7 @@ decode OPCODE_HI default Unknown::unknown() { 0x0: decode OP_LO { format IntOp { 0x0: append({{ Rt.uw = (Rt.uw << RD) | bits(Rs.uw,RD-1,0); }}); - 0x1: prepend({{ Rt.uw = (Rt.uw >> RD) | (bits(Rs.uw,RD-1,0) << 32-RD); }}); + 0x1: prepend({{ Rt.uw = (Rt.uw >> RD) | (bits(Rs.uw, RD - 1, 0) << (32 - RD)); }}); } } 0x2: decode OP_LO { @@ -2050,11 +2052,11 @@ decode OPCODE_HI default Unknown::unknown() { format LoadUnalignedMemory { 0x2: lwl({{ uint32_t mem_shift = 24 - (8 * byte_offset); Rt.uw = mem_word << mem_shift | - Rt.uw & mask(mem_shift); + (Rt.uw & mask(mem_shift)); }}); 0x6: lwr({{ uint32_t mem_shift = 8 * byte_offset; - Rt.uw = Rt.uw & (mask(mem_shift) << (32 - mem_shift)) | - mem_word >> mem_shift; + Rt.uw = (Rt.uw & (mask(mem_shift) << (32 - mem_shift))) | + (mem_word >> mem_shift); }}); } } @@ -2069,12 +2071,12 @@ decode OPCODE_HI default Unknown::unknown() { format StoreUnalignedMemory { 0x2: swl({{ uint32_t reg_shift = 24 - (8 * byte_offset); uint32_t mem_shift = 32 - reg_shift; - mem_word = mem_word & (mask(reg_shift) << mem_shift) | - Rt.uw >> reg_shift; + mem_word = (mem_word & (mask(reg_shift) << mem_shift)) | + (Rt.uw >> reg_shift); }}); 0x6: swr({{ uint32_t reg_shift = 8 * byte_offset; mem_word = Rt.uw << reg_shift | - mem_word & (mask(reg_shift)); + (mem_word & (mask(reg_shift))); }}); } format CP0Control { |