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authorNick Clifton <nickc@redhat.com>2001-05-11 21:51:07 +0000
committerNick Clifton <nickc@redhat.com>2001-05-11 21:51:07 +0000
commitc34a3a045989be10ab8ad01ef2f97fb9458544cc (patch)
treefcb55e74b7238cd194c9e2c1eaf20eae1426d831 /sim/arm/armemu.c
parent73ed6fedaf75e5edf02d960c2714e8f21d04d653 (diff)
downloadgdb-c34a3a045989be10ab8ad01ef2f97fb9458544cc.tar.gz
Fix handling of XScale LDRD and STRD instructions with post indexed addressing modes.
Diffstat (limited to 'sim/arm/armemu.c')
-rw-r--r--sim/arm/armemu.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/sim/arm/armemu.c b/sim/arm/armemu.c
index 0947470abba..4edac6f4112 100644
--- a/sim/arm/armemu.c
+++ b/sim/arm/armemu.c
@@ -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;