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authorAnton Blanchard <anton@samba.org>2013-08-07 10:47:01 +1000
committerAlexander Graf <agraf@suse.de>2013-09-02 10:06:41 +0200
commit1e0c7e554e449abb7bf759339ca2cf8cda232532 (patch)
tree3ae4a27c012b853695eceda3ed3d56dba825079e
parent7770b6f78a2d655e03852a5de238f5926c92be6a (diff)
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>
-rw-r--r--target-ppc/cpu.h2
-rw-r--r--target-ppc/excp_helper.c10
2 files changed, 12 insertions, 0 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 711db083e0..422a6bbd2e 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -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)
diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c
index e9fcad8ef6..e957761109 100644
--- a/target-ppc/excp_helper.c
+++ b/target-ppc/excp_helper.c
@@ -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];