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- disable strict alignment on LDRD/STRD 

- handle RD in STREX/STREXB
This commit is contained in:
bunnei 2014-05-06 21:34:00 -04:00
parent 9db26df05f
commit d1472b816f
1 changed files with 22 additions and 17 deletions
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39
src/core/arm/interpreter/armemu.cpp
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@ -5536,14 +5536,15 @@ Handle_Load_Double (ARMul_State * state, ARMword instr)
addr = base;
/* The address must be aligned on a 8 byte boundary. */
if (addr & 0x7) {
#ifdef ABORTS
ARMul_DATAABORT (addr);
#else
ARMul_UndefInstr (state, instr);
#endif
return;
}
// FIX(Normatt): Disable strict alignment on LDRD/STRD
// if (addr & 0x7) {
//#ifdef ABORTS
// ARMul_DATAABORT (addr);
//#else
// ARMul_UndefInstr (state, instr);
//#endif
// return;
// }
/* For pre indexed or post indexed addressing modes,
check that the destination registers do not overlap
@ -5640,14 +5641,15 @@ Handle_Store_Double (ARMul_State * state, ARMword instr)
addr = base;
/* The address must be aligned on a 8 byte boundary. */
if (addr & 0x7) {
#ifdef ABORTS
ARMul_DATAABORT (addr);
#else
ARMul_UndefInstr (state, instr);
#endif
return;
}
// FIX(Normatt): Disable strict alignment on LDRD/STRD
// if (addr & 0x7) {
//#ifdef ABORTS
// ARMul_DATAABORT (addr);
//#else
// ARMul_UndefInstr (state, instr);
//#endif
// return;
// }
/* For pre indexed or post indexed addressing modes,
check that the destination registers do not overlap
@ -6405,6 +6407,8 @@ handle_v6_insn (ARMul_State * state, ARMword instr)
if (state->Aborted) {
TAKEABORT;
}
// FIX(Normmatt): Handle RD in STREX/STREXB
state->Reg[DESTReg] = 0; //Always succeed
return 1;
}
@ -6432,7 +6436,8 @@ handle_v6_insn (ARMul_State * state, ARMword instr)
if (state->Aborted) {
TAKEABORT;
}
// FIX(Normmatt): Handle RD in STREX/STREXB
state->Reg[DESTReg] = 0; //Always succeed
//printf("In %s, strexb not implemented\n", __FUNCTION__);
UNDEF_LSRBPC;
/* WRITESDEST (dest); */