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rewrite JIT memory emulation

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This commit is contained in:
RSDuck
2020-05-09 00:45:05 +02:00
parent bcc4b5c8dd
commit 0f53a34551
14 changed files with 1494 additions and 843 deletions
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16
src/ARM_InstrInfo.cpp
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@ -373,16 +373,16 @@ Info Decode(bool thumb, u32 num, u32 instr)
if (res.Kind == tk_LDMIA || res.Kind == tk_POP)
{
u32 set = (instr & 0xFF) & ~(res.DstRegs|res.SrcRegs);
res.NotStrictlyNeeded |= set;
u32 set = (instr & 0xFF);
res.NotStrictlyNeeded |= set & ~(res.DstRegs|res.SrcRegs);
res.DstRegs |= set;
}
if (res.Kind == tk_STMIA || res.Kind == tk_PUSH)
{
u32 set = (instr & 0xFF) & ~(res.DstRegs|res.SrcRegs);
u32 set = (instr & 0xFF);
if (res.Kind == tk_PUSH && instr & (1 << 8))
set |= (1 << 14);
res.NotStrictlyNeeded |= set;
res.NotStrictlyNeeded |= set & ~(res.DstRegs|res.SrcRegs);
res.SrcRegs |= set;
}
@ -495,15 +495,15 @@ Info Decode(bool thumb, u32 num, u32 instr)
if (res.Kind == ak_LDM)
{
u16 set = (instr & 0xFFFF) & ~(res.SrcRegs|res.DstRegs|(1<<15));
u16 set = (instr & 0xFFFF);
res.NotStrictlyNeeded |= set & ~(res.SrcRegs|res.DstRegs|(1<<15));
res.DstRegs |= set;
res.NotStrictlyNeeded |= set;
}
if (res.Kind == ak_STM)
{
u16 set = (instr & 0xFFFF) & ~(res.SrcRegs|res.DstRegs|(1<<15));
u16 set = (instr & 0xFFFF);
res.NotStrictlyNeeded |= set & ~(res.SrcRegs|res.DstRegs|(1<<15));
res.SrcRegs |= set;
res.NotStrictlyNeeded |= set;
}
if ((instr >> 28) < 0xE)