mirror of
https://github.com/Lime3DS/Lime3DS.git
synced 2024-11-27 20:14:17 +01:00
dyncom: Implement UMAAL
This commit is contained in:
parent
017e6a488e
commit
4a646ace1f
@ -1266,6 +1266,13 @@ typedef struct _smla_inst {
|
||||
unsigned int Rn;
|
||||
} smla_inst;
|
||||
|
||||
typedef struct umaal_inst {
|
||||
unsigned int Rn;
|
||||
unsigned int Rm;
|
||||
unsigned int RdHi;
|
||||
unsigned int RdLo;
|
||||
} umaal_inst;
|
||||
|
||||
typedef struct _umlal_inst {
|
||||
unsigned int S;
|
||||
unsigned int Rm;
|
||||
@ -3010,7 +3017,26 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(uhaddsubx)(unsigned int inst, int index) { UN
|
||||
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(umaal)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UMAAL"); }
|
||||
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));
|
||||
umaal_inst* const inst_cream = (umaal_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->Rm = BITS(inst, 8, 11);
|
||||
inst_cream->Rn = BITS(inst, 0, 3);
|
||||
inst_cream->RdLo = BITS(inst, 12, 15);
|
||||
inst_cream->RdHi = BITS(inst, 16, 19);
|
||||
|
||||
if (CHECK_RM || CHECK_RN)
|
||||
inst_base->load_r15 = 1;
|
||||
|
||||
return inst_base;
|
||||
}
|
||||
ARM_INST_PTR INTERPRETER_TRANSLATE(umlal)(unsigned int inst, int index)
|
||||
{
|
||||
arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(umlal_inst));
|
||||
@ -6374,6 +6400,26 @@ unsigned InterpreterMainLoop(ARMul_State* state)
|
||||
UHSUB8_INST:
|
||||
UHSUBADDX_INST:
|
||||
UMAAL_INST:
|
||||
{
|
||||
INC_ICOUNTER;
|
||||
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
|
||||
umaal_inst* const inst_cream = (umaal_inst*)inst_base->component;
|
||||
|
||||
const u32 rm = RM;
|
||||
const u32 rn = RN;
|
||||
const u32 rd_lo = RDLO;
|
||||
const u32 rd_hi = RDHI;
|
||||
|
||||
const u64 result = (rm * rn) + rd_lo + rd_hi;
|
||||
|
||||
RDLO = (result & 0xFFFFFFFF);
|
||||
RDHI = ((result >> 32) & 0xFFFFFFFF);
|
||||
}
|
||||
cpu->Reg[15] += GET_INST_SIZE(cpu);
|
||||
INC_PC(sizeof(umaal_inst));
|
||||
FETCH_INST;
|
||||
GOTO_NEXT_INST;
|
||||
}
|
||||
UMLAL_INST:
|
||||
{
|
||||
INC_ICOUNTER;
|
||||
|
Loading…
Reference in New Issue
Block a user