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target-ppc: USE LPCR_ILE to control exception endian on POWER7 

On POWER7, LPCR_ILE is used to control what endian guests take
their exceptions in so use it instead of MSR_ILE.

Signed-off-by: Anton Blanchard <anton@samba.org>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Anton Blanchard 2013-08-07 10:47:01 +10:00 committed by Alexander Graf
parent 7770b6f78a
commit 1e0c7e554e
2 changed files with 12 additions and 0 deletions
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2
target-ppc/cpu.h
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@ -453,6 +453,8 @@ struct ppc_slb_t {
#define MSR_RI 1 /* Recoverable interrupt 1 */
#define MSR_LE 0 /* Little-endian mode 1 hflags */
#define LPCR_ILE (1 << (63-38))
#define msr_sf ((env->msr >> MSR_SF) & 1)
#define msr_isf ((env->msr >> MSR_ISF) & 1)
#define msr_shv ((env->msr >> MSR_SHV) & 1)

10
target-ppc/excp_helper.c
View File

@ -611,9 +611,19 @@ static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
tlb_flush(env, 1);
}
#ifdef TARGET_PPC64
if (excp_model == POWERPC_EXCP_POWER7) {
if (env->spr[SPR_LPCR] & LPCR_ILE) {
new_msr |= (target_ulong)1 << MSR_LE;
}
} else if (msr_ile) {
new_msr |= (target_ulong)1 << MSR_LE;
}
#else
if (msr_ile) {
new_msr |= (target_ulong)1 << MSR_LE;
}
#endif
/* Jump to handler */
vector = env->excp_vectors[excp];