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Fix handling of XScale LDRD and STRD instructions with post indexed addressing modes.

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This commit is contained in:
Nick Clifton 2001-05-11 21:51:07 +00:00
parent 6112b8746a
commit fb7a8ef0df
2 changed files with 11 additions and 6 deletions
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5
sim/arm/ChangeLog
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@ -1,3 +1,8 @@
2001-05-11 Nick Clifton <nickc@cambridge.redhat.com>
* armemu.c (ARMul_Emulate32): Fix handling of XScale LDRD and STRD
instructions with post indexed addressing modes.
2001-05-08 Jens-Christian Lache <lache@tu-harburg.de>
* armsupp.c (ARMul_FixCPSR): Check Mode not Bank in order to

12
sim/arm/armemu.c
View File

@ -619,7 +619,7 @@ check_PMUintr:
/* XScale Load Consecutive insn. */
ARMword temp = GetLS7RHS (state, instr);
ARMword temp2 = BIT (23) ? LHS + temp : LHS - temp;
ARMword addr = BIT (24) ? temp2 : temp;
ARMword addr = BIT (24) ? temp2 : LHS;
if (BIT (12))
ARMul_UndefInstr (state, instr);
@ -628,14 +628,14 @@ check_PMUintr:
ARMul_Abort (state, ARMul_DataAbortV);
else
{
int wb = BIT (24) && BIT (21);
int wb = BIT (21) || (! BIT (24));
state->Reg[BITS (12, 15)] =
ARMul_LoadWordN (state, addr);
state->Reg[BITS (12, 15) + 1] =
ARMul_LoadWordN (state, addr + 4);
if (wb)
LSBase = addr;
LSBase = temp2;
}
goto donext;
@ -645,7 +645,7 @@ check_PMUintr:
/* XScale Store Consecutive insn. */
ARMword temp = GetLS7RHS (state, instr);
ARMword temp2 = BIT (23) ? LHS + temp : LHS - temp;
ARMword addr = BIT (24) ? temp2 : temp;
ARMword addr = BIT (24) ? temp2 : LHS;
if (BIT (12))
ARMul_UndefInstr (state, instr);
@ -659,8 +659,8 @@ check_PMUintr:
ARMul_StoreWordN (state, addr + 4,
state->Reg[BITS (12, 15) + 1]);
if (BIT (21))
LSBase = addr;
if (BIT (21)|| ! BIT (24))
LSBase = temp2;
}
goto donext;