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target-ppc: Allow little-endian user mode.

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This allows running PPC64 little-endian in user mode if target is configured
that way.  In PPC64 LE user mode we set MSR.LE during initialization.

Signed-off-by: Doug Kwan <dougkwan@google.com>
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Doug Kwan
2014-05-29 09:12:20 -05:00
committed by Alexander Graf
parent d90b94cd78
commit e22c357b3e
4 changed files with 92 additions and 96 deletions
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8
linux-user/main.c
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@@ -1484,7 +1484,7 @@ static int do_store_exclusive(CPUPPCState *env)
{
target_ulong addr;
target_ulong page_addr;
target_ulong val, val2 __attribute__((unused));
target_ulong val, val2 __attribute__((unused)) = 0;
int flags;
int segv = 0;
@@ -1527,6 +1527,12 @@ static int do_store_exclusive(CPUPPCState *env)
case 8: segv = put_user_u64(val, addr); break;
case 16: {
if (val2 == env->reserve_val2) {
if (msr_le) {
val2 = val;
val = env->gpr[reg+1];
} else {
val2 = env->gpr[reg+1];
}
segv = put_user_u64(val, addr);
if (!segv) {
segv = put_user_u64(val2, addr + 8);