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authorDavid Gibson <david@gibson.dropbear.id.au>2013-03-12 00:31:39 +0000
committerAlexander Graf <agraf@suse.de>2013-03-22 15:28:52 +0100
commite1a53ba2e0f6dcf4a8b25586cc9d8ec1e408305c (patch)
tree4c28192da5eb5654fa226ca340aaa4881916b014
parent87dc3fd13e9c573fc435678973d8eb9726d50c3b (diff)
mmu-hash32: Remove nx from context structure
Previous cleanups have meant the nx field of the mmu_ctx_hash32 structure is now only used within ppc_hash32_translate(), and so it can be replaced by a local variable. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
-rw-r--r--target-ppc/mmu-hash32.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/target-ppc/mmu-hash32.c b/target-ppc/mmu-hash32.c
index ae606fdedc..2b88b9ff3a 100644
--- a/target-ppc/mmu-hash32.c
+++ b/target-ppc/mmu-hash32.c
@@ -45,7 +45,6 @@ struct mmu_ctx_hash32 {
hwaddr raddr; /* Real address */
int prot; /* Protection bits */
int key; /* Access key */
- int nx; /* Non-execute area */
};
static int ppc_hash32_pp_check(int key, int pp, int nx)
@@ -383,6 +382,7 @@ static int ppc_hash32_translate(CPUPPCState *env, struct mmu_ctx_hash32 *ctx,
{
int ret;
target_ulong sr;
+ bool nx;
hwaddr pte_offset;
ppc_hash_pte32_t pte;
@@ -414,8 +414,8 @@ static int ppc_hash32_translate(CPUPPCState *env, struct mmu_ctx_hash32 *ctx,
}
/* 5. Check for segment level no-execute violation */
- ctx->nx = !!(sr & SR32_NX);
- if ((rwx == 2) && ctx->nx) {
+ nx = !!(sr & SR32_NX);
+ if ((rwx == 2) && nx) {
return -3;
}
@@ -434,7 +434,7 @@ static int ppc_hash32_translate(CPUPPCState *env, struct mmu_ctx_hash32 *ctx,
pp = pte.pte1 & HPTE32_R_PP;
/* Compute access rights */
- access = ppc_hash32_pp_check(ctx->key, pp, ctx->nx);
+ access = ppc_hash32_pp_check(ctx->key, pp, nx);
/* Keep the matching PTE informations */
ctx->raddr = pte.pte1;
ctx->prot = access;