target-ppc: stop translation after a trap instruction

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 0b11fda..9da4240 100644 (file)
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -3618,8 +3618,9 @@ static void gen_sc(DisasContext *ctx)
 static void gen_tw(DisasContext *ctx)
 {
     TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode));
-    /* Update the nip since this might generate a trap exception */
-    gen_update_nip(ctx, ctx->nip);
+    /* Stop the translation since this might generate a trap exception
+       and/or following instructions might be invalid */
+    gen_stop_exception(ctx);
     gen_helper_tw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
     tcg_temp_free_i32(t0);
 }
@@ -3629,8 +3630,9 @@ static void gen_twi(DisasContext *ctx)
 {
     TCGv t0 = tcg_const_tl(SIMM(ctx->opcode));
     TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode));
-    /* Update the nip since this might generate a trap exception */
-    gen_update_nip(ctx, ctx->nip);
+    /* Stop the translation since this might generate a trap exception
+       and/or following instructions might be invalid */
+    gen_stop_exception(ctx);
     gen_helper_tw(cpu_gpr[rA(ctx->opcode)], t0, t1);
     tcg_temp_free(t0);
     tcg_temp_free_i32(t1);
@@ -3641,8 +3643,9 @@ static void gen_twi(DisasContext *ctx)
 static void gen_td(DisasContext *ctx)
 {
     TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode));
-    /* Update the nip since this might generate a trap exception */
-    gen_update_nip(ctx, ctx->nip);
+    /* Stop the translation since this might generate a trap exception
+       and/or following instructions might be invalid */
+    gen_stop_exception(ctx);
     gen_helper_td(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
     tcg_temp_free_i32(t0);
 }
@@ -3652,8 +3655,9 @@ static void gen_tdi(DisasContext *ctx)
 {
     TCGv t0 = tcg_const_tl(SIMM(ctx->opcode));
     TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode));
-    /* Update the nip since this might generate a trap exception */
-    gen_update_nip(ctx, ctx->nip);
+    /* Stop the translation since this might generate a trap exception
+       and/or following instructions might be invalid */
+    gen_stop_exception(ctx);
     gen_helper_td(cpu_gpr[rA(ctx->opcode)], t0, t1);
     tcg_temp_free(t0);
     tcg_temp_free_i32(t1);