diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 134 |
1 files changed, 123 insertions, 11 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index 460001b1a..9b355fc6e 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -3086,15 +3086,47 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(tst)(unsigned int inst, int index) inst_base->load_r15 = 1; return inst_base; } -ARM_INST_PTR INTERPRETER_TRANSLATE(uadd16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UADD16"); } ARM_INST_PTR INTERPRETER_TRANSLATE(uadd8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UADD8"); } +ARM_INST_PTR INTERPRETER_TRANSLATE(uadd16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UADD16"); } ARM_INST_PTR INTERPRETER_TRANSLATE(uaddsubx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UADDSUBX"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(uhadd16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHADD16"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(uhadd8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHADD8"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(uhaddsubx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHADDSUBX"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUB16"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUB8"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(uhsubaddx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUBADDX"); } +ARM_INST_PTR INTERPRETER_TRANSLATE(uhadd8)(unsigned int inst, int index) +{ + arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst)); + generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component; + + inst_base->cond = BITS(inst, 28, 31); + inst_base->idx = index; + inst_base->br = NON_BRANCH; + inst_base->load_r15 = 0; + + inst_cream->op1 = BITS(inst, 20, 21); + inst_cream->op2 = BITS(inst, 5, 7); + inst_cream->Rm = BITS(inst, 0, 3); + inst_cream->Rn = BITS(inst, 16, 19); + inst_cream->Rd = BITS(inst, 12, 15); + + return inst_base; +} +ARM_INST_PTR INTERPRETER_TRANSLATE(uhadd16)(unsigned int inst, int index) +{ + return INTERPRETER_TRANSLATE(uhadd8)(inst, index); +} +ARM_INST_PTR INTERPRETER_TRANSLATE(uhaddsubx)(unsigned int inst, int index) +{ + return INTERPRETER_TRANSLATE(uhadd8)(inst, index); +} +ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub8)(unsigned int inst, int index) +{ + return INTERPRETER_TRANSLATE(uhadd8)(inst, index); +} +ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub16)(unsigned int inst, int index) +{ + return INTERPRETER_TRANSLATE(uhadd8)(inst, index); +} +ARM_INST_PTR INTERPRETER_TRANSLATE(uhsubaddx)(unsigned int inst, int index) +{ + return INTERPRETER_TRANSLATE(uhadd8)(inst, index); +} ARM_INST_PTR INTERPRETER_TRANSLATE(umaal)(unsigned int inst, int index) { arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(umaal_inst)); @@ -6622,15 +6654,95 @@ unsigned InterpreterMainLoop(ARMul_State* state) FETCH_INST; GOTO_NEXT_INST; } - UADD16_INST: UADD8_INST: + UADD16_INST: UADDSUBX_INST: - UHADD16_INST: + UHADD8_INST: + UHADD16_INST: UHADDSUBX_INST: - UHSUB16_INST: - UHSUB8_INST: UHSUBADDX_INST: + UHSUB8_INST: + UHSUB16_INST: + { + INC_ICOUNTER; + if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { + generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component; + + const u32 rm_val = RM; + const u32 rn_val = RN; + const u8 op2 = inst_cream->op2; + + + if (op2 == 0x00 || op2 == 0x01 || op2 == 0x02 || op2 == 0x03) + { + u32 lo_val = 0; + u32 hi_val = 0; + + // UHADD16 + if (op2 == 0x00) { + lo_val = (rn_val & 0xFFFF) + (rm_val & 0xFFFF); + hi_val = ((rn_val >> 16) & 0xFFFF) + ((rm_val >> 16) & 0xFFFF); + } + // UHASX + else if (op2 == 0x01) { + lo_val = (rn_val & 0xFFFF) - ((rm_val >> 16) & 0xFFFF); + hi_val = ((rn_val >> 16) & 0xFFFF) + (rm_val & 0xFFFF); + } + // UHSAX + else if (op2 == 0x02) { + lo_val = (rn_val & 0xFFFF) + ((rm_val >> 16) & 0xFFFF); + hi_val = ((rn_val >> 16) & 0xFFFF) - (rm_val & 0xFFFF); + } + // UHSUB16 + else if (op2 == 0x03) { + lo_val = (rn_val & 0xFFFF) - (rm_val & 0xFFFF); + hi_val = ((rn_val >> 16) & 0xFFFF) - ((rm_val >> 16) & 0xFFFF); + } + + lo_val >>= 1; + hi_val >>= 1; + + RD = (lo_val & 0xFFFF) | ((hi_val & 0xFFFF) << 16); + } + else if (op2 == 0x04 || op2 == 0x07) { + u32 sum1; + u32 sum2; + u32 sum3; + u32 sum4; + + // UHADD8 + if (op2 == 0x04) { + sum1 = (rn_val & 0xFF) + (rm_val & 0xFF); + sum2 = ((rn_val >> 8) & 0xFF) + ((rm_val >> 8) & 0xFF); + sum3 = ((rn_val >> 16) & 0xFF) + ((rm_val >> 16) & 0xFF); + sum4 = ((rn_val >> 24) & 0xFF) + ((rm_val >> 24) & 0xFF); + } + // UHSUB8 + else { + sum1 = (rn_val & 0xFF) - (rm_val & 0xFF); + sum2 = ((rn_val >> 8) & 0xFF) - ((rm_val >> 8) & 0xFF); + sum3 = ((rn_val >> 16) & 0xFF) - ((rm_val >> 16) & 0xFF); + sum4 = ((rn_val >> 24) & 0xFF) - ((rm_val >> 24) & 0xFF); + } + + sum1 >>= 1; + sum2 >>= 1; + sum3 >>= 1; + sum4 >>= 1; + + RD = (sum1 & 0xFF) | ((sum2 & 0xFF) << 8) | ((sum3 & 0xFF) << 16) | ((sum4 & 0xFF) << 24); + } + + } + + cpu->Reg[15] += GET_INST_SIZE(cpu); + INC_PC(sizeof(generic_arm_inst)); + FETCH_INST; + GOTO_NEXT_INST; + } + + UMAAL_INST: { INC_ICOUNTER; |