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-rw-r--r--target-mips/translate.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 4a1ffdbd94..d1de35ad30 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -2142,6 +2142,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc,
         break;
     case OPC_LDL:
         t1 = tcg_temp_new();
+        /* Do a byte access to possibly trigger a page
+           fault with the unaligned address.  */
+        tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
         tcg_gen_andi_tl(t1, t0, 7);
 #ifndef TARGET_WORDS_BIGENDIAN
         tcg_gen_xori_tl(t1, t1, 7);
@@ -2163,6 +2166,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc,
         break;
     case OPC_LDR:
         t1 = tcg_temp_new();
+        /* Do a byte access to possibly trigger a page
+           fault with the unaligned address.  */
+        tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
         tcg_gen_andi_tl(t1, t0, 7);
 #ifdef TARGET_WORDS_BIGENDIAN
         tcg_gen_xori_tl(t1, t1, 7);
@@ -2229,6 +2235,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc,
         break;
     case OPC_LWL:
         t1 = tcg_temp_new();
+        /* Do a byte access to possibly trigger a page
+           fault with the unaligned address.  */
+        tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
         tcg_gen_andi_tl(t1, t0, 3);
 #ifndef TARGET_WORDS_BIGENDIAN
         tcg_gen_xori_tl(t1, t1, 3);
@@ -2251,6 +2260,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc,
         break;
     case OPC_LWR:
         t1 = tcg_temp_new();
+        /* Do a byte access to possibly trigger a page
+           fault with the unaligned address.  */
+        tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB);
         tcg_gen_andi_tl(t1, t0, 3);
 #ifdef TARGET_WORDS_BIGENDIAN
         tcg_gen_xori_tl(t1, t1, 3);