From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Wed, 27 Jul 2016 06:56:44 +0000 (+1000)
Subject: ppc: Fix CFAR updates
X-Git-Tag: TizenStudio_2.0_p2.3.2~9^2~14^2~5^2~204^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fbc3b39b3974bd6d3960376a1d4898adbbd47787;p=sdk%2Femulator%2Fqemu.git

ppc: Fix CFAR updates

We were one instruction off

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index ac2c79b..bc5b2ee 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -3346,7 +3346,7 @@ static void gen_b(DisasContext *ctx)
     if (LK(ctx->opcode)) {
         gen_setlr(ctx, ctx->nip);
     }
-    gen_update_cfar(ctx, ctx->nip);
+    gen_update_cfar(ctx, ctx->nip - 4);
     gen_goto_tb(ctx, 0, target);
 }
 
@@ -3411,7 +3411,7 @@ static inline void gen_bcond(DisasContext *ctx, int type)
         }
         tcg_temp_free_i32(temp);
     }
-    gen_update_cfar(ctx, ctx->nip);
+    gen_update_cfar(ctx, ctx->nip - 4);
     if (type == BCOND_IM) {
         target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
         if (likely(AA(ctx->opcode) == 0)) {
@@ -3526,7 +3526,7 @@ static void gen_rfi(DisasContext *ctx)
      */
     /* Restore CPU state */
     CHK_SV;
-    gen_update_cfar(ctx, ctx->nip);
+    gen_update_cfar(ctx, ctx->nip - 4);
     gen_helper_rfi(cpu_env);
     gen_sync_exception(ctx);
 #endif
@@ -3540,7 +3540,7 @@ static void gen_rfid(DisasContext *ctx)
 #else
     /* Restore CPU state */
     CHK_SV;
-    gen_update_cfar(ctx, ctx->nip);
+    gen_update_cfar(ctx, ctx->nip - 4);
     gen_helper_rfid(cpu_env);
     gen_sync_exception(ctx);
 #endif