From: Cédric Le Goater <clg@kaod.org>
Date: Fri, 3 Jun 2016 12:11:20 +0000 (+0200)
Subject: ppc: fix hrfid, tlbia and slbia privilege
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1c7336c5d1f720e8d320cb36f9d747ad24663e0d;p=qemu.git

ppc: fix hrfid, tlbia and slbia privilege

commit 74693da98894 ('ppc: tlbie, tlbia and tlbisync are HV only')
introduced some extra checks on the instruction privilege. slbia was
changed wrongly and hrfid, tlbia were forgotten.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index c6b74b8540..5fdcd220fc 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -4108,7 +4108,7 @@ static void gen_hrfid(DisasContext *ctx)
     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
 #else
     /* Restore CPU state */
-    if (unlikely(!ctx->hv)) {
+    if (unlikely(ctx->pr || !ctx->hv)) {
         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
         return;
     }
@@ -4845,7 +4845,7 @@ static void gen_tlbia(DisasContext *ctx)
 #if defined(CONFIG_USER_ONLY)
     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
 #else
-    if (unlikely(ctx->pr)) {
+    if (unlikely(ctx->pr || !ctx->hv)) {
         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
         return;
     }
@@ -4913,7 +4913,7 @@ static void gen_slbia(DisasContext *ctx)
 #if defined(CONFIG_USER_ONLY)
     gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
 #else
-    if (unlikely(ctx->pr || !ctx->hv)) {
+    if (unlikely(ctx->pr)) {
         gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
         return;
     }