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dyncom: Implement UMAAL
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017e6a488e
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@ -1266,6 +1266,13 @@ typedef struct _smla_inst {
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unsigned int Rn;
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} smla_inst;
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typedef struct umaal_inst {
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unsigned int Rn;
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unsigned int Rm;
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unsigned int RdHi;
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unsigned int RdLo;
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} umaal_inst;
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typedef struct _umlal_inst {
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unsigned int S;
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unsigned int Rm;
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@ -3010,7 +3017,26 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(uhaddsubx)(unsigned int inst, int index) { UN
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ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUB16"); }
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ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUB8"); }
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ARM_INST_PTR INTERPRETER_TRANSLATE(uhsubaddx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUBADDX"); }
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ARM_INST_PTR INTERPRETER_TRANSLATE(umaal)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UMAAL"); }
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ARM_INST_PTR INTERPRETER_TRANSLATE(umaal)(unsigned int inst, int index)
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{
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arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(umaal_inst));
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umaal_inst* const inst_cream = (umaal_inst*)inst_base->component;
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inst_base->cond = BITS(inst, 28, 31);
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inst_base->idx = index;
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inst_base->br = NON_BRANCH;
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inst_base->load_r15 = 0;
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inst_cream->Rm = BITS(inst, 8, 11);
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inst_cream->Rn = BITS(inst, 0, 3);
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inst_cream->RdLo = BITS(inst, 12, 15);
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inst_cream->RdHi = BITS(inst, 16, 19);
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if (CHECK_RM || CHECK_RN)
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inst_base->load_r15 = 1;
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return inst_base;
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}
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ARM_INST_PTR INTERPRETER_TRANSLATE(umlal)(unsigned int inst, int index)
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{
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arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(umlal_inst));
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@ -6374,6 +6400,26 @@ unsigned InterpreterMainLoop(ARMul_State* state)
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UHSUB8_INST:
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UHSUBADDX_INST:
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UMAAL_INST:
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{
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INC_ICOUNTER;
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if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
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umaal_inst* const inst_cream = (umaal_inst*)inst_base->component;
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const u32 rm = RM;
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const u32 rn = RN;
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const u32 rd_lo = RDLO;
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const u32 rd_hi = RDHI;
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const u64 result = (rm * rn) + rd_lo + rd_hi;
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RDLO = (result & 0xFFFFFFFF);
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RDHI = ((result >> 32) & 0xFFFFFFFF);
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}
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cpu->Reg[15] += GET_INST_SIZE(cpu);
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INC_PC(sizeof(umaal_inst));
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FETCH_INST;
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GOTO_NEXT_INST;
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}
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UMLAL_INST:
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{
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INC_ICOUNTER;
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