[Qemu-devel] [PULL 19/34] target-mips: stop translation after ctc1

[Leon Alrae <leon.alrae@imgtec.com>]

From: Yongbok Kim <yongbok.kim@imgtec.com>

stop translation as ctc1 instruction can change hflags

Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
---
 target-mips/translate.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target-mips/translate.c b/target-mips/translate.c
index 9a8f5c9..b388ba5 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -7490,12 +7490,15 @@ static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
         break;
     case 3:
         /* XXX: For now we support only a single FPU context. */
+        save_cpu_state(ctx, 1);
         {
             TCGv_i32 fs_tmp = tcg_const_i32(rd);
 
             gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
             tcg_temp_free_i32(fs_tmp);
         }
+        /* Stop translation as we may have changed hflags */
+        ctx->bstate = BS_STOP;
         break;
     /* COP2: Not implemented. */
     case 4:
@@ -8089,12 +8092,15 @@ static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
         break;
     case OPC_CTC1:
         gen_load_gpr(t0, rt);
+        save_cpu_state(ctx, 1);
         {
             TCGv_i32 fs_tmp = tcg_const_i32(fs);
 
             gen_helper_0e2i(ctc1, t0, fs_tmp, rt);
             tcg_temp_free_i32(fs_tmp);
         }
+        /* Stop translation as we may have changed hflags */
+        ctx->bstate = BS_STOP;
         opn = "ctc1";
         break;
 #if defined(TARGET_MIPS64)
-- 
2.1.0