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dyncom: Implement SRS

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This commit is contained in:
Lioncash 2015-03-24 11:30:54 -04:00
parent cde671795c
commit a80d93685a
1 changed files with 32 additions and 1 deletions
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33
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -2585,7 +2585,23 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(smulw)(unsigned int inst, int index)
inst_base->load_r15 = 1; inst_base->load_r15 = 1;
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(srs)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("SRS"); }
static ARM_INST_PTR INTERPRETER_TRANSLATE(srs)(unsigned int inst, int index)
{
arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(ldst_inst));
ldst_inst* const inst_cream = (ldst_inst*)inst_base->component;
inst_base->cond = AL;
inst_base->idx = index;
inst_base->br = NON_BRANCH;
inst_base->load_r15 = 0;
inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst);
return inst_base;
}
static ARM_INST_PTR INTERPRETER_TRANSLATE(ssat)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(ssat)(unsigned int inst, int index)
{ {
arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(ssat_inst)); arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(ssat_inst));
@ -5963,6 +5979,21 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
} }
SRS_INST: SRS_INST:
{
// SRS is unconditional
ldst_inst* const inst_cream = (ldst_inst*)inst_base->component;
u32 address = 0;
inst_cream->get_addr(cpu, inst_cream->inst, address, 1);
WriteMemory32(cpu, address + 0, cpu->Reg[14]);
WriteMemory32(cpu, address + 4, cpu->Spsr_copy);
cpu->Reg[15] += GET_INST_SIZE(cpu);
INC_PC(sizeof(ldst_inst));
FETCH_INST;
GOTO_NEXT_INST;
}
SSAT_INST: SSAT_INST:
{ {