diff mbox series

[PULL,v2,31/69] target/mips: Replace gen_exception_end(EXCP_RI) by gen_rsvd_instruction

Message ID 20210114162016.2901557-4-f4bug@amsat.org (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Philippe Mathieu-Daudé Jan. 14, 2021, 4:20 p.m. UTC
gen_reserved_instruction() is easier to read than
generate_exception_end(ctx, EXCP_RI), replace it.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201214183739.500368-12-f4bug@amsat.org>
---
 target/mips/translate.h |   1 +
 target/mips/translate.c | 729 ++++++++++++++++++++--------------------
 2 files changed, 368 insertions(+), 362 deletions(-)
diff mbox series

Patch

diff --git a/target/mips/translate.h b/target/mips/translate.h
index 3d640912f12..98cadffe4e5 100644
--- a/target/mips/translate.h
+++ b/target/mips/translate.h
@@ -55,6 +55,7 @@  typedef struct DisasContext {
 void generate_exception(DisasContext *ctx, int excp);
 void generate_exception_err(DisasContext *ctx, int excp, int err);
 void generate_exception_end(DisasContext *ctx, int excp);
+void gen_reserved_instruction(DisasContext *ctx);
 
 void check_insn(DisasContext *ctx, uint64_t flags);
 #ifdef TARGET_MIPS64
diff --git a/target/mips/translate.c b/target/mips/translate.c
index fa11c8ffe0c..d7767215050 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -2762,6 +2762,11 @@  void generate_exception_end(DisasContext *ctx, int excp)
     generate_exception_err(ctx, excp, 0);
 }
 
+void gen_reserved_instruction(DisasContext *ctx)
+{
+    generate_exception_end(ctx, EXCP_RI);
+}
+
 /* Floating point register moves. */
 static void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
 {
@@ -2916,7 +2921,7 @@  static inline void check_cp1_enabled(DisasContext *ctx)
 static inline void check_cop1x(DisasContext *ctx)
 {
     if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -2927,7 +2932,7 @@  static inline void check_cop1x(DisasContext *ctx)
 static inline void check_cp1_64bitmode(DisasContext *ctx)
 {
     if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -2945,7 +2950,7 @@  static inline void check_cp1_64bitmode(DisasContext *ctx)
 static inline void check_cp1_registers(DisasContext *ctx, int regs)
 {
     if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -2959,7 +2964,7 @@  static inline void check_dsp(DisasContext *ctx)
         if (ctx->insn_flags & ASE_DSP) {
             generate_exception_end(ctx, EXCP_DSPDIS);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
     }
 }
@@ -2970,7 +2975,7 @@  static inline void check_dsp_r2(DisasContext *ctx)
         if (ctx->insn_flags & ASE_DSP) {
             generate_exception_end(ctx, EXCP_DSPDIS);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
     }
 }
@@ -2981,7 +2986,7 @@  static inline void check_dsp_r3(DisasContext *ctx)
         if (ctx->insn_flags & ASE_DSP) {
             generate_exception_end(ctx, EXCP_DSPDIS);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
     }
 }
@@ -2993,7 +2998,7 @@  static inline void check_dsp_r3(DisasContext *ctx)
 void check_insn(DisasContext *ctx, uint64_t flags)
 {
     if (unlikely(!(ctx->insn_flags & flags))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3005,7 +3010,7 @@  void check_insn(DisasContext *ctx, uint64_t flags)
 static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags)
 {
     if (unlikely(ctx->insn_flags & flags)) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3044,7 +3049,7 @@  static inline void check_ps(DisasContext *ctx)
 void check_mips_64(DisasContext *ctx)
 {
     if (unlikely(!(ctx->hflags & MIPS_HFLAG_64))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 #endif
@@ -3065,7 +3070,7 @@  static inline void check_mvh(DisasContext *ctx)
 static inline void check_xnp(DisasContext *ctx)
 {
     if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3077,7 +3082,7 @@  static inline void check_xnp(DisasContext *ctx)
 static inline void check_pw(DisasContext *ctx)
 {
     if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 #endif
@@ -3089,7 +3094,7 @@  static inline void check_pw(DisasContext *ctx)
 static inline void check_mt(DisasContext *ctx)
 {
     if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3106,7 +3111,7 @@  static inline void check_cp0_mt(DisasContext *ctx)
         generate_exception_end(ctx, EXCP_CpU);
     } else {
         if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
     }
 }
@@ -3119,7 +3124,7 @@  static inline void check_cp0_mt(DisasContext *ctx)
 static inline void check_nms(DisasContext *ctx)
 {
     if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3136,7 +3141,7 @@  static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx)
                  !(ctx->CP0_Config2 & (1 << CP0C2_SL)) &&
                  !(ctx->CP0_Config2 & (1 << CP0C2_TL)) &&
                  !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3147,7 +3152,7 @@  static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx)
 static inline void check_eva(DisasContext *ctx)
 {
     if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
 }
 
@@ -3812,7 +3817,7 @@  static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft,
         break;
     default:
         MIPS_INVAL("flt_ldst");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -4461,7 +4466,7 @@  static void gen_HILO1_tx79(DisasContext *ctx, uint32_t opc, int reg)
         break;
     default:
         MIPS_INVAL("mfthilo1 TX79");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -4596,7 +4601,7 @@  static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc,
 #endif
         default:
             MIPS_INVAL("OPC_PCREL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -4807,7 +4812,7 @@  static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt)
 #endif
     default:
         MIPS_INVAL("r6 mul/div");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
  out:
@@ -4865,7 +4870,7 @@  static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt)
         break;
     default:
         MIPS_INVAL("div1 TX79");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
  out:
@@ -5058,7 +5063,7 @@  static void gen_muldiv(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("mul/div");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
  out:
@@ -5189,7 +5194,7 @@  static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("mul/madd TXx9");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -5252,7 +5257,7 @@  static void gen_mul_vr54xx(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("mul vr54xx");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
     gen_store_gpr(t0, rd);
@@ -5878,7 +5883,7 @@  static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt)
         break;
     default:
         MIPS_INVAL("loongson_cp2");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -6067,7 +6072,7 @@  static void gen_loongson_lswc2(DisasContext *ctx, int rt,
 #endif
         default:
             MIPS_INVAL("loongson_gsshfl");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -6115,13 +6120,13 @@  static void gen_loongson_lswc2(DisasContext *ctx, int rt,
 #endif
         default:
             MIPS_INVAL("loongson_gsshfs");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
     default:
         MIPS_INVAL("loongson_gslsq");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
     tcg_temp_free(t0);
@@ -6170,7 +6175,7 @@  static void gen_loongson_lsdc2(DisasContext *ctx, int rt,
         break;
     default:
         MIPS_INVAL("loongson_lsdc2");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
         break;
     }
@@ -6426,7 +6431,7 @@  static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
         LOG_DISAS("Branch in delay / forbidden slot at PC 0x"
                   TARGET_FMT_lx "\n", ctx->base.pc_next);
 #endif
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -6489,14 +6494,14 @@  static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
              * others are reserved.
              */
             MIPS_INVAL("jump hint");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
         gen_load_gpr(btarget, rs);
         break;
     default:
         MIPS_INVAL("branch/jump");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
     if (bcond_compute == 0) {
@@ -6561,7 +6566,7 @@  static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
     } else {
@@ -6632,7 +6637,7 @@  static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("conditional branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
     }
@@ -6709,14 +6714,14 @@  static void gen_compute_branch_nm(DisasContext *ctx, uint32_t opc,
              * others are reserved.
              */
             MIPS_INVAL("jump hint");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
         gen_load_gpr(btarget, rs);
         break;
     default:
         MIPS_INVAL("branch/jump");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
     if (bcond_compute == 0) {
@@ -6749,7 +6754,7 @@  static void gen_compute_branch_nm(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
     } else {
@@ -6772,7 +6777,7 @@  static void gen_compute_branch_nm(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("conditional branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
     }
@@ -6852,7 +6857,7 @@  static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt,
     default:
 fail:
         MIPS_INVAL("bitops");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         tcg_temp_free(t0);
         tcg_temp_free(t1);
         return;
@@ -6930,7 +6935,7 @@  static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd)
 #endif
     default:
         MIPS_INVAL("bsfhl");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         tcg_temp_free(t0);
         return;
     }
@@ -10584,7 +10589,7 @@  static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
 die:
     tcg_temp_free(t0);
     LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
-    generate_exception_end(ctx, EXCP_RI);
+    gen_reserved_instruction(ctx);
 }
 
 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
@@ -10794,7 +10799,7 @@  static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
 die:
     tcg_temp_free(t0);
     LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
-    generate_exception_end(ctx, EXCP_RI);
+    gen_reserved_instruction(ctx);
 }
 
 static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
@@ -10954,7 +10959,7 @@  static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
         }
         if (!(ctx->hflags & MIPS_HFLAG_DM)) {
             MIPS_INVAL(opn);
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         } else {
             gen_helper_deret(cpu_env);
             ctx->base.is_jmp = DISAS_EXIT;
@@ -10977,7 +10982,7 @@  static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
     default:
  die:
         MIPS_INVAL(opn);
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
     (void)opn; /* avoid a compiler warning */
@@ -10992,7 +10997,7 @@  static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
     TCGv_i32 t0 = tcg_temp_new_i32();
 
     if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -11083,7 +11088,7 @@  static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
         break;
     default:
         MIPS_INVAL("cp1 cond branch");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
     ctx->btarget = btarget;
@@ -11105,7 +11110,7 @@  static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op,
         LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx
                   "\n", ctx->base.pc_next);
 #endif
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -11125,7 +11130,7 @@  static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op,
         break;
     default:
         MIPS_INVAL("cp1 cond branch");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -11433,7 +11438,7 @@  static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs)
         break;
     default:
         MIPS_INVAL("cp1 move");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -11570,7 +11575,7 @@  static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft,
         break;
     default:
         MIPS_INVAL("gen_sel_s");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -11607,7 +11612,7 @@  static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft,
         break;
     default:
         MIPS_INVAL("gen_sel_d");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -13041,7 +13046,7 @@  static void gen_farith(DisasContext *ctx, enum fopcode op1,
         break;
     default:
         MIPS_INVAL("farith");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 }
@@ -13380,7 +13385,7 @@  static void gen_flt3_arith(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("flt3_arith");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 }
@@ -13455,13 +13460,13 @@  static void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel)
                           offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
             gen_store_gpr(t0, rt);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         break;
 #endif
     default:            /* Invalid */
         MIPS_INVAL("rdhwr");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
     tcg_temp_free(t0);
@@ -13560,7 +13565,7 @@  static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
         LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx
                   "\n", ctx->base.pc_next);
 #endif
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -13622,7 +13627,7 @@  static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("Compact branch/jump");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -13643,7 +13648,7 @@  static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("Compact branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
 
@@ -13766,7 +13771,7 @@  static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("Compact conditional branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
 
@@ -13940,7 +13945,7 @@  static void gen_mips16_save(DisasContext *ctx,
         args = 4;
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -14036,7 +14041,7 @@  static void gen_mips16_save(DisasContext *ctx,
         astatic = 4;
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -14142,7 +14147,7 @@  static void gen_mips16_restore(DisasContext *ctx,
         astatic = 4;
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -14173,7 +14178,7 @@  static void gen_addiupc(DisasContext *ctx, int rx, int imm,
     TCGv t0;
 
     if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -14231,7 +14236,7 @@  static void decode_i64_mips16(DisasContext *ctx,
         check_insn(ctx, ISA_MIPS3);
         check_mips_64(ctx);
         if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         } else {
             offset = extended ? offset : offset << 3;
             gen_ld(ctx, OPC_LDPC, ry, 0, offset);
@@ -14308,7 +14313,7 @@  static int decode_extended_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
             check_mips_64(ctx);
             gen_shift_imm(ctx, OPC_DSLL, rx, ry, sa);
 #else
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
 #endif
             break;
         case 0x2:
@@ -14336,7 +14341,7 @@  static int decode_extended_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
             check_mips_64(ctx);
             gen_arith_imm(ctx, OPC_DADDIU, ry, rx, imm);
 #else
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
 #endif
         } else {
             gen_arith_imm(ctx, OPC_ADDIU, ry, rx, imm);
@@ -14388,7 +14393,7 @@  static int decode_extended_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
             }
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -14451,7 +14456,7 @@  static int decode_extended_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
         break;
 #endif
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -14540,7 +14545,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
             check_mips_64(ctx);
             gen_shift_imm(ctx, OPC_DSLL, rx, ry, sa);
 #else
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
 #endif
             break;
         case 0x2:
@@ -14568,7 +14573,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
                 check_mips_64(ctx);
                 gen_arith_imm(ctx, OPC_DADDIU, ry, rx, imm);
 #else
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
 #endif
             } else {
                 gen_arith_imm(ctx, OPC_ADDIU, ry, rx, imm);
@@ -14652,7 +14657,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
                 gen_arith(ctx, OPC_ADDU, ry, reg32, 0);
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -14742,7 +14747,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
                 break;
 #endif
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 goto done;
             }
 
@@ -14859,7 +14864,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
                 break;
 #endif
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             break;
@@ -14923,7 +14928,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
 #endif
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -14938,7 +14943,7 @@  static int decode_mips16_opc(CPUMIPSState *env, DisasContext *ctx)
         break;
 #endif
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -15636,7 +15641,7 @@  static void gen_ldst_multiple(DisasContext *ctx, uint32_t opc, int reglist,
     TCGv_i32 t2;
 
     if (ctx->hflags & MIPS_HFLAG_BMASK) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -15789,7 +15794,7 @@  static void gen_pool16c_insn(DisasContext *ctx)
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -15934,7 +15939,7 @@  static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd,
     TCGv t0, t1;
 
     if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -15946,7 +15951,7 @@  static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd,
     switch (opc) {
     case LWP:
         if (rd == base) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             return;
         }
         tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
@@ -15967,7 +15972,7 @@  static void gen_ldst_pair(DisasContext *ctx, uint32_t opc, int rd,
 #ifdef TARGET_MIPS64
     case LDP:
         if (rd == base) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             return;
         }
         tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ);
@@ -16312,7 +16317,7 @@  static void gen_pool32axf(CPUMIPSState *env, DisasContext *ctx, int rt, int rs)
             } else {
                 check_insn(ctx, ISA_MIPS_R1);
                 if (ctx->hflags & MIPS_HFLAG_SBRI) {
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                 } else {
                     generate_exception_end(ctx, EXCP_DBp);
                 }
@@ -16362,7 +16367,7 @@  static void gen_pool32axf(CPUMIPSState *env, DisasContext *ctx, int rt, int rs)
     default:
     pool32axf_invalid:
         MIPS_INVAL("pool32axf");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -16631,7 +16636,7 @@  static void gen_pool32fxf(DisasContext *ctx, int rt, int rs)
         break;
     default:
         MIPS_INVAL("pool32fxf");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -16835,12 +16840,12 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
         case SIGRIE:
             check_insn(ctx, ISA_MIPS_R6);
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         default:
         pool32a_invalid:
                 MIPS_INVAL("pool32a");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
         }
         break;
@@ -16882,7 +16887,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("pool32b");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -17362,7 +17367,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
             default:
             pool32f_invalid:
                 MIPS_INVAL("pool32f");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         } else {
@@ -17524,7 +17529,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
             /* Fall through */
         default:
             MIPS_INVAL("pool32i");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -17607,7 +17612,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         case LD_EVA:
             if (!ctx->eva) {
                 MIPS_INVAL("pool32c ld-eva");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             check_cp0_enabled(ctx);
@@ -17646,7 +17651,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         case ST_EVA:
             if (!ctx->eva) {
                 MIPS_INVAL("pool32c st-eva");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             check_cp0_enabled(ctx);
@@ -17698,7 +17703,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("pool32c");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -17990,7 +17995,7 @@  static void decode_micromips32_opc(CPUMIPSState *env, DisasContext *ctx)
         gen_st(ctx, mips32_op, rt, rs, imm);
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -18021,7 +18026,7 @@  static int decode_micromips_opc(CPUMIPSState *env, DisasContext *ctx)
         case 7:
         /* LB32, LH32, LWC132, LDC132, LW32 */
             if (ctx->hflags & MIPS_HFLAG_BDS16) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 return 2;
             }
             break;
@@ -18032,7 +18037,7 @@  static int decode_micromips_opc(CPUMIPSState *env, DisasContext *ctx)
         case 3:
         /* MOVE16, ANDI16, POOL16D, POOL16E, BEQZ16, BNEZ16, B16, LI16 */
             if (ctx->hflags & MIPS_HFLAG_BDS32) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 return 2;
             }
             break;
@@ -18105,7 +18110,7 @@  static int decode_micromips_opc(CPUMIPSState *env, DisasContext *ctx)
     case POOL16F:
         check_insn_opc_removed(ctx, ISA_MIPS_R6);
         if (ctx->opcode & 1) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         } else {
             /* MOVEP */
             int enc_dest = uMIPS_RD(ctx->opcode);
@@ -18243,7 +18248,7 @@  static int decode_micromips_opc(CPUMIPSState *env, DisasContext *ctx)
     case RES_29:
     case RES_31:
     case RES_39:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         decode_micromips32_opc(env, ctx);
@@ -19501,7 +19506,7 @@  static void gen_pool32a0_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
                     gen_helper_dvpe(t0, cpu_env);
                     gen_store_gpr(t0, rt);
                 } else {
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                 }
                 break;
             case 1:
@@ -19516,7 +19521,7 @@  static void gen_pool32a0_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
                     gen_helper_evpe(t0, cpu_env);
                     gen_store_gpr(t0, rt);
                 } else {
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                 }
                 break;
             }
@@ -19566,7 +19571,7 @@  static void gen_pool32a0_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
         break;
 #endif
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -19607,7 +19612,7 @@  static void gen_pool32axf_1_5_nanomips_insn(DisasContext *ctx, uint32_t opc,
         gen_helper_maq_sa_w_phl(t0, v1_t, v0_t, cpu_env);
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -19658,7 +19663,7 @@  static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc,
             gen_helper_shilo(t0, v0_t, cpu_env);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -19732,7 +19737,7 @@  static void gen_pool32axf_1_nanomips_insn(DisasContext *ctx, uint32_t opc,
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -19770,7 +19775,7 @@  static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc,
             gen_helper_dpsq_s_w_ph(t0, v1, v0, cpu_env);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -19793,7 +19798,7 @@  static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc,
             gen_helper_dpsq_sa_l_w(t0, v0, v1, cpu_env);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -19820,7 +19825,7 @@  static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc,
             gen_helper_mulsa_w_ph(t0, v0, v1, cpu_env);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -19847,12 +19852,12 @@  static void gen_pool32axf_2_multiply(DisasContext *ctx, uint32_t opc,
             gen_helper_mulsaq_s_w_ph(t0, v1, v0, cpu_env);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -19996,7 +20001,7 @@  static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc,
             gen_store_gpr(t0, ret);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -20089,7 +20094,7 @@  static void gen_pool32axf_2_nanomips_insn(DisasContext *ctx, uint32_t opc,
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -20232,7 +20237,7 @@  static void gen_pool32axf_4_nanomips_insn(DisasContext *ctx, uint32_t opc,
         gen_bshfl(ctx, OPC_WSBH, ret, rs);
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -20287,7 +20292,7 @@  static void gen_pool32axf_7_nanomips_insn(DisasContext *ctx, uint32_t opc,
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
     tcg_temp_free(t0);
@@ -20384,7 +20389,7 @@  static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
             break;
 #endif
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -20395,7 +20400,7 @@  static void gen_pool32axf_nanomips_insn(CPUMIPSState *env, DisasContext *ctx)
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -20428,7 +20433,7 @@  static void gen_compute_imm_branch(DisasContext *ctx, uint32_t opc,
     case NM_BBNEZC:
         check_nms(ctx);
         if (imm >= 32 && !(ctx->hflags & MIPS_HFLAG_64)) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         } else if (rt == 0 && opc == NM_BBEQZC) {
             /* Unconditional branch */
@@ -20478,7 +20483,7 @@  static void gen_compute_imm_branch(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("Immediate Value Compact branch");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -20591,7 +20596,7 @@  static void gen_compute_compact_branch_nm(DisasContext *ctx, uint32_t opc,
         break;
     default:
         MIPS_INVAL("Compact branch/jump");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -20603,7 +20608,7 @@  static void gen_compute_compact_branch_nm(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("Compact branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
     } else {
@@ -20664,7 +20669,7 @@  static void gen_compute_compact_branch_nm(DisasContext *ctx, uint32_t opc,
             break;
         default:
             MIPS_INVAL("Compact conditional branch/jump");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             goto out;
         }
 
@@ -20708,7 +20713,7 @@  static void gen_compute_branch_cp1_nm(DisasContext *ctx, uint32_t op,
         break;
     default:
         MIPS_INVAL("cp1 cond branch");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         goto out;
     }
 
@@ -20838,7 +20843,7 @@  static void gen_p_lsx(DisasContext *ctx, int rd, int rs, int rt)
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -20855,7 +20860,7 @@  static void gen_pool32f_nanomips_insn(DisasContext *ctx)
     rd = extract32(ctx->opcode, 11, 5);
 
     if (!(ctx->CP0_Config1 & (1 << CP0C1_FP))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
     check_cp1_enabled(ctx);
@@ -20929,7 +20934,7 @@  static void gen_pool32f_nanomips_insn(DisasContext *ctx)
             gen_farith(ctx, OPC_MSUBF_D, rt, rs, rd, 0);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -21118,7 +21123,7 @@  static void gen_pool32f_nanomips_insn(DisasContext *ctx)
                     gen_farith(ctx, OPC_CVT_S_L, -1, rs, rt, 0);
                     break;
                 default:
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                     break;
                 }
                 break;
@@ -21135,12 +21140,12 @@  static void gen_pool32f_nanomips_insn(DisasContext *ctx)
             gen_r6_cmp_d(ctx, extract32(ctx->opcode, 6, 5), rt, rs, rd);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -21666,7 +21671,7 @@  static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc,
             gen_store_gpr(v1_t, rt);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -21688,7 +21693,7 @@  static void gen_pool32a5_nanomips_insn(DisasContext *ctx, int opc,
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -21716,13 +21721,13 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
             switch (extract32(ctx->opcode, 19, 2)) {
             case NM_SIGRIE:
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             case NM_P_SYSCALL:
                 if ((extract32(ctx->opcode, 18, 1)) == NM_SYSCALL) {
                     generate_exception_end(ctx, EXCP_SYSCALL);
                 } else {
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                 }
                 break;
             case NM_BREAK:
@@ -21733,7 +21738,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                     gen_helper_do_semihosting(cpu_env);
                 } else {
                     if (ctx->hflags & MIPS_HFLAG_SBRI) {
-                        generate_exception_end(ctx, EXCP_RI);
+                        gen_reserved_instruction(ctx);
                     } else {
                         generate_exception_end(ctx, EXCP_DBp);
                     }
@@ -21791,12 +21796,12 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                 gen_pool32axf_nanomips_insn(env, ctx);
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -21815,7 +21820,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_st(ctx, OPC_SW, rt, 28, extract32(ctx->opcode, 2, 19) << 2);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -21886,7 +21891,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                 }
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             return 6;
@@ -21921,12 +21926,12 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                     }
                     break;
                 default:
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                     break;
                 }
                 break;
             case NM_P_SR_F:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             break;
@@ -22014,7 +22019,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                            extract32(ctx->opcode, 6, 5));
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             break;
@@ -22027,12 +22032,12 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                            extract32(ctx->opcode, 6, 5));
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -22100,7 +22105,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                     gen_st(ctx, OPC_SH, rt, 28, u);
                     break;
                 default:
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                     break;
                 }
                 break;
@@ -22122,7 +22127,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                 }
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -22182,7 +22187,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                 gen_cop1_ldst(ctx, OPC_SDC1, rt, rs, u);
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -22245,7 +22250,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                     }
                     break;
                 default:
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                     break;
                 }
                 break;
@@ -22385,7 +22390,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                         gen_llwp(ctx, rs, 0, rt, extract32(ctx->opcode, 3, 5));
                         break;
                     default:
-                        generate_exception_end(ctx, EXCP_RI);
+                        gen_reserved_instruction(ctx);
                         break;
                     }
                     break;
@@ -22405,7 +22410,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                                  true);
                         break;
                     default:
-                        generate_exception_end(ctx, EXCP_RI);
+                        gen_reserved_instruction(ctx);
                         break;
                     }
                     break;
@@ -22456,7 +22461,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                 }
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -22500,7 +22505,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_compute_nanomips_pbalrsc_branch(ctx, rs, rt);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -22535,7 +22540,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                     }
                     break;
                 default:
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                     break;
                 }
                 break;
@@ -22584,7 +22589,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
                 }
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -22600,7 +22605,7 @@  static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx)
         }
         break;
     default:
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
     return 4;
@@ -22639,7 +22644,7 @@  static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
                 if (extract32(ctx->opcode, 2, 1) == 0) {
                     generate_exception_end(ctx, EXCP_SYSCALL);
                 } else {
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                 }
                 break;
             case NM_BREAK16:
@@ -22650,14 +22655,14 @@  static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
                     gen_helper_do_semihosting(cpu_env);
                 } else {
                     if (ctx->hflags & MIPS_HFLAG_SBRI) {
-                        generate_exception_end(ctx, EXCP_RI);
+                        gen_reserved_instruction(ctx);
                     } else {
                         generate_exception_end(ctx, EXCP_DBp);
                     }
                 }
                 break;
             default:
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -22696,7 +22701,7 @@  static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_arith_imm(ctx, OPC_ADDIU, rt, 29, imm);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -22745,7 +22750,7 @@  static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_r6_muldiv(ctx, R6_OPC_MUL, rt, rs, rt);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -22781,7 +22786,7 @@  static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_ld(ctx, OPC_LBU, rt, rs, offset);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -22800,7 +22805,7 @@  static int decode_nanomips_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_ld(ctx, OPC_LHU, rt, rs, offset);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -23579,7 +23584,7 @@  static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc,
                 break;
             default:            /* Invalid */
                 MIPS_INVAL("MASK SHLL.QB");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             break;
@@ -23694,7 +23699,7 @@  static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc,
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK SHLL.OB");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -24385,7 +24390,7 @@  static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx,
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK APPEND");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -24419,7 +24424,7 @@  static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx,
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK DAPPEND");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -24688,7 +24693,7 @@  static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("special_r6 muldiv");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -24705,7 +24710,7 @@  static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
              */
             gen_cl(ctx, op1, rd, rs);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         break;
     case R6_OPC_SDBBP:
@@ -24713,7 +24718,7 @@  static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
             gen_helper_do_semihosting(cpu_env);
         } else {
             if (ctx->hflags & MIPS_HFLAG_SBRI) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
             } else {
                 generate_exception_end(ctx, EXCP_DBp);
             }
@@ -24734,7 +24739,7 @@  static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
             check_mips_64(ctx);
             gen_cl(ctx, op1, rd, rs);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         break;
     case OPC_DMULT:
@@ -24757,14 +24762,14 @@  static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("special_r6 muldiv");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
 #endif
     default:            /* Invalid */
         MIPS_INVAL("special_r6");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -24811,7 +24816,7 @@  static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:            /* Invalid */
         MIPS_INVAL("special_tx79");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -24882,16 +24887,16 @@  static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
     case OPC_SPIM:
 #ifdef MIPS_STRICT_STANDARD
         MIPS_INVAL("SPIM");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
 #else
         /* Implemented as RI exception for now. */
         MIPS_INVAL("spim (unofficial)");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
 #endif
         break;
     default:            /* Invalid */
         MIPS_INVAL("special_legacy");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -24913,7 +24918,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             rs == 0 && rt == 0) { /* PAUSE */
             if ((ctx->insn_flags & ISA_MIPS_R6) &&
                 (ctx->hflags & MIPS_HFLAG_BMASK)) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         }
@@ -24933,7 +24938,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             gen_shift_imm(ctx, op1, rd, rt, sa);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -24959,7 +24964,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             gen_shift(ctx, op1, rd, rs, rt);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -24993,7 +24998,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             /* Pmon entry point, also R4010 selsl */
 #ifdef MIPS_STRICT_STANDARD
             MIPS_INVAL("PMON / selsl");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
 #else
             gen_helper_0e0i(pmon, sa);
 #endif
@@ -25034,7 +25039,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             gen_shift_imm(ctx, op1, rd, rt, sa);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -25052,7 +25057,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             gen_shift_imm(ctx, op1, rd, rt, sa);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -25084,7 +25089,7 @@  static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
             gen_shift(ctx, op1, rd, rs, rt);
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -25149,7 +25154,7 @@  static void gen_mmi_pcpyh(DisasContext *ctx)
     rd = extract32(opcode, 11, 5);
 
     if (unlikely(pd != 0)) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     } else if (rd == 0) {
         /* nop */
     } else if (rt == 0) {
@@ -26356,16 +26361,16 @@  static void decode_opc_mxu__pool00(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_Q8SLT:
         /* TODO: Implement emulation of Q8SLT instruction. */
         MIPS_INVAL("OPC_MXU_Q8SLT");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8SLTU:
         /* TODO: Implement emulation of Q8SLTU instruction. */
         MIPS_INVAL("OPC_MXU_Q8SLTU");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26395,41 +26400,41 @@  static void decode_opc_mxu__pool01(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32SLT:
         /* TODO: Implement emulation of S32SLT instruction. */
         MIPS_INVAL("OPC_MXU_S32SLT");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16SLT:
         /* TODO: Implement emulation of D16SLT instruction. */
         MIPS_INVAL("OPC_MXU_D16SLT");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16AVG:
         /* TODO: Implement emulation of D16AVG instruction. */
         MIPS_INVAL("OPC_MXU_D16AVG");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16AVGR:
         /* TODO: Implement emulation of D16AVGR instruction. */
         MIPS_INVAL("OPC_MXU_D16AVGR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8AVG:
         /* TODO: Implement emulation of Q8AVG instruction. */
         MIPS_INVAL("OPC_MXU_Q8AVG");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8AVGR:
         /* TODO: Implement emulation of Q8AVGR instruction. */
         MIPS_INVAL("OPC_MXU_Q8AVGR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8ADD:
         /* TODO: Implement emulation of Q8ADD instruction. */
         MIPS_INVAL("OPC_MXU_Q8ADD");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26452,26 +26457,26 @@  static void decode_opc_mxu__pool02(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32CPS:
         /* TODO: Implement emulation of S32CPS instruction. */
         MIPS_INVAL("OPC_MXU_S32CPS");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16CPS:
         /* TODO: Implement emulation of D16CPS instruction. */
         MIPS_INVAL("OPC_MXU_D16CPS");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8ABD:
         /* TODO: Implement emulation of Q8ABD instruction. */
         MIPS_INVAL("OPC_MXU_Q8ABD");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q16SAT:
         /* TODO: Implement emulation of Q16SAT instruction. */
         MIPS_INVAL("OPC_MXU_Q16SAT");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26501,16 +26506,16 @@  static void decode_opc_mxu__pool03(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_D16MULF:
         /* TODO: Implement emulation of D16MULF instruction. */
         MIPS_INVAL("OPC_MXU_D16MULF");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16MULE:
         /* TODO: Implement emulation of D16MULE instruction. */
         MIPS_INVAL("OPC_MXU_D16MULE");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26536,7 +26541,7 @@  static void decode_opc_mxu__pool04(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26559,16 +26564,16 @@  static void decode_opc_mxu__pool05(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32STD:
         /* TODO: Implement emulation of S32STD instruction. */
         MIPS_INVAL("OPC_MXU_S32STD");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32STDR:
         /* TODO: Implement emulation of S32STDR instruction. */
         MIPS_INVAL("OPC_MXU_S32STDR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26591,16 +26596,16 @@  static void decode_opc_mxu__pool06(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32LDDV:
         /* TODO: Implement emulation of S32LDDV instruction. */
         MIPS_INVAL("OPC_MXU_S32LDDV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32LDDVR:
         /* TODO: Implement emulation of S32LDDVR instruction. */
         MIPS_INVAL("OPC_MXU_S32LDDVR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26623,16 +26628,16 @@  static void decode_opc_mxu__pool07(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32STDV:
         /* TODO: Implement emulation of S32TDV instruction. */
         MIPS_INVAL("OPC_MXU_S32TDV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32STDVR:
         /* TODO: Implement emulation of S32TDVR instruction. */
         MIPS_INVAL("OPC_MXU_S32TDVR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26655,16 +26660,16 @@  static void decode_opc_mxu__pool08(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32LDI:
         /* TODO: Implement emulation of S32LDI instruction. */
         MIPS_INVAL("OPC_MXU_S32LDI");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32LDIR:
         /* TODO: Implement emulation of S32LDIR instruction. */
         MIPS_INVAL("OPC_MXU_S32LDIR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26687,16 +26692,16 @@  static void decode_opc_mxu__pool09(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32SDI:
         /* TODO: Implement emulation of S32SDI instruction. */
         MIPS_INVAL("OPC_MXU_S32SDI");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32SDIR:
         /* TODO: Implement emulation of S32SDIR instruction. */
         MIPS_INVAL("OPC_MXU_S32SDIR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26719,16 +26724,16 @@  static void decode_opc_mxu__pool10(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32LDIV:
         /* TODO: Implement emulation of S32LDIV instruction. */
         MIPS_INVAL("OPC_MXU_S32LDIV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32LDIVR:
         /* TODO: Implement emulation of S32LDIVR instruction. */
         MIPS_INVAL("OPC_MXU_S32LDIVR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26751,16 +26756,16 @@  static void decode_opc_mxu__pool11(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32SDIV:
         /* TODO: Implement emulation of S32SDIV instruction. */
         MIPS_INVAL("OPC_MXU_S32SDIV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32SDIVR:
         /* TODO: Implement emulation of S32SDIVR instruction. */
         MIPS_INVAL("OPC_MXU_S32SDIVR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26783,21 +26788,21 @@  static void decode_opc_mxu__pool12(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_D32ACC:
         /* TODO: Implement emulation of D32ACC instruction. */
         MIPS_INVAL("OPC_MXU_D32ACC");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D32ACCM:
         /* TODO: Implement emulation of D32ACCM instruction. */
         MIPS_INVAL("OPC_MXU_D32ACCM");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D32ASUM:
         /* TODO: Implement emulation of D32ASUM instruction. */
         MIPS_INVAL("OPC_MXU_D32ASUM");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26820,21 +26825,21 @@  static void decode_opc_mxu__pool13(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_Q16ACC:
         /* TODO: Implement emulation of Q16ACC instruction. */
         MIPS_INVAL("OPC_MXU_Q16ACC");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q16ACCM:
         /* TODO: Implement emulation of Q16ACCM instruction. */
         MIPS_INVAL("OPC_MXU_Q16ACCM");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q16ASUM:
         /* TODO: Implement emulation of Q16ASUM instruction. */
         MIPS_INVAL("OPC_MXU_Q16ASUM");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26864,21 +26869,21 @@  static void decode_opc_mxu__pool14(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_Q8ADDE:
         /* TODO: Implement emulation of Q8ADDE instruction. */
         MIPS_INVAL("OPC_MXU_Q8ADDE");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D8SUM:
         /* TODO: Implement emulation of D8SUM instruction. */
         MIPS_INVAL("OPC_MXU_D8SUM");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D8SUMC:
         /* TODO: Implement emulation of D8SUMC instruction. */
         MIPS_INVAL("OPC_MXU_D8SUMC");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26908,26 +26913,26 @@  static void decode_opc_mxu__pool15(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32MUL:
         /* TODO: Implement emulation of S32MUL instruction. */
         MIPS_INVAL("OPC_MXU_S32MUL");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32MULU:
         /* TODO: Implement emulation of S32MULU instruction. */
         MIPS_INVAL("OPC_MXU_S32MULU");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32EXTR:
         /* TODO: Implement emulation of S32EXTR instruction. */
         MIPS_INVAL("OPC_MXU_S32EXTR");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32EXTRV:
         /* TODO: Implement emulation of S32EXTRV instruction. */
         MIPS_INVAL("OPC_MXU_S32EXTRV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -26975,12 +26980,12 @@  static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_D32SARW:
         /* TODO: Implement emulation of D32SARW instruction. */
         MIPS_INVAL("OPC_MXU_D32SARW");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32ALN:
         /* TODO: Implement emulation of S32ALN instruction. */
         MIPS_INVAL("OPC_MXU_S32ALN");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32ALNI:
         gen_mxu_S32ALNI(ctx);
@@ -26988,7 +26993,7 @@  static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_S32LUI:
         /* TODO: Implement emulation of S32LUI instruction. */
         MIPS_INVAL("OPC_MXU_S32LUI");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32NOR:
         gen_mxu_S32NOR(ctx);
@@ -27004,7 +27009,7 @@  static void decode_opc_mxu__pool16(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27027,31 +27032,31 @@  static void decode_opc_mxu__pool17(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_LXW:
         /* TODO: Implement emulation of LXW instruction. */
         MIPS_INVAL("OPC_MXU_LXW");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_LXH:
         /* TODO: Implement emulation of LXH instruction. */
         MIPS_INVAL("OPC_MXU_LXH");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_LXHU:
         /* TODO: Implement emulation of LXHU instruction. */
         MIPS_INVAL("OPC_MXU_LXHU");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_LXB:
         /* TODO: Implement emulation of LXB instruction. */
         MIPS_INVAL("OPC_MXU_LXB");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_LXBU:
         /* TODO: Implement emulation of LXBU instruction. */
         MIPS_INVAL("OPC_MXU_LXBU");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27073,36 +27078,36 @@  static void decode_opc_mxu__pool18(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_D32SLLV:
         /* TODO: Implement emulation of D32SLLV instruction. */
         MIPS_INVAL("OPC_MXU_D32SLLV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D32SLRV:
         /* TODO: Implement emulation of D32SLRV instruction. */
         MIPS_INVAL("OPC_MXU_D32SLRV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D32SARV:
         /* TODO: Implement emulation of D32SARV instruction. */
         MIPS_INVAL("OPC_MXU_D32SARV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q16SLLV:
         /* TODO: Implement emulation of Q16SLLV instruction. */
         MIPS_INVAL("OPC_MXU_Q16SLLV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q16SLRV:
         /* TODO: Implement emulation of Q16SLRV instruction. */
         MIPS_INVAL("OPC_MXU_Q16SLRV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q16SARV:
         /* TODO: Implement emulation of Q16SARV instruction. */
         MIPS_INVAL("OPC_MXU_Q16SARV");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27128,7 +27133,7 @@  static void decode_opc_mxu__pool19(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27151,36 +27156,36 @@  static void decode_opc_mxu__pool20(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_Q8MOVZ:
         /* TODO: Implement emulation of Q8MOVZ instruction. */
         MIPS_INVAL("OPC_MXU_Q8MOVZ");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8MOVN:
         /* TODO: Implement emulation of Q8MOVN instruction. */
         MIPS_INVAL("OPC_MXU_Q8MOVN");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16MOVZ:
         /* TODO: Implement emulation of D16MOVZ instruction. */
         MIPS_INVAL("OPC_MXU_D16MOVZ");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_D16MOVN:
         /* TODO: Implement emulation of D16MOVN instruction. */
         MIPS_INVAL("OPC_MXU_D16MOVN");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32MOVZ:
         /* TODO: Implement emulation of S32MOVZ instruction. */
         MIPS_INVAL("OPC_MXU_S32MOVZ");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_S32MOVN:
         /* TODO: Implement emulation of S32MOVN instruction. */
         MIPS_INVAL("OPC_MXU_S32MOVN");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27203,16 +27208,16 @@  static void decode_opc_mxu__pool21(CPUMIPSState *env, DisasContext *ctx)
     case OPC_MXU_Q8MAC:
         /* TODO: Implement emulation of Q8MAC instruction. */
         MIPS_INVAL("OPC_MXU_Q8MAC");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     case OPC_MXU_Q8MACSU:
         /* TODO: Implement emulation of Q8MACSU instruction. */
         MIPS_INVAL("OPC_MXU_Q8MACSU");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     default:
         MIPS_INVAL("decode_opc_mxu");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27271,12 +27276,12 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_S32MADD:
             /* TODO: Implement emulation of S32MADD instruction. */
             MIPS_INVAL("OPC_MXU_S32MADD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S32MADDU:
             /* TODO: Implement emulation of S32MADDU instruction. */
             MIPS_INVAL("OPC_MXU_S32MADDU");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL00:
             decode_opc_mxu__pool00(env, ctx);
@@ -27284,12 +27289,12 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_S32MSUB:
             /* TODO: Implement emulation of S32MSUB instruction. */
             MIPS_INVAL("OPC_MXU_S32MSUB");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S32MSUBU:
             /* TODO: Implement emulation of S32MSUBU instruction. */
             MIPS_INVAL("OPC_MXU_S32MSUBU");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL01:
             decode_opc_mxu__pool01(env, ctx);
@@ -27309,27 +27314,27 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_D16MACF:
             /* TODO: Implement emulation of D16MACF instruction. */
             MIPS_INVAL("OPC_MXU_D16MACF");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_D16MADL:
             /* TODO: Implement emulation of D16MADL instruction. */
             MIPS_INVAL("OPC_MXU_D16MADL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S16MAD:
             /* TODO: Implement emulation of S16MAD instruction. */
             MIPS_INVAL("OPC_MXU_S16MAD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_Q16ADD:
             /* TODO: Implement emulation of Q16ADD instruction. */
             MIPS_INVAL("OPC_MXU_Q16ADD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_D16MACE:
             /* TODO: Implement emulation of D16MACE instruction. */
             MIPS_INVAL("OPC_MXU_D16MACE");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL04:
             decode_opc_mxu__pool04(env, ctx);
@@ -27358,7 +27363,7 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_D32ADD:
             /* TODO: Implement emulation of D32ADD instruction. */
             MIPS_INVAL("OPC_MXU_D32ADD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL12:
             decode_opc_mxu__pool12(env, ctx);
@@ -27372,7 +27377,7 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_Q8ACCE:
             /* TODO: Implement emulation of Q8ACCE instruction. */
             MIPS_INVAL("OPC_MXU_Q8ACCE");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S8LDD:
             gen_mxu_s8ldd(ctx);
@@ -27380,17 +27385,17 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_S8STD:
             /* TODO: Implement emulation of S8STD instruction. */
             MIPS_INVAL("OPC_MXU_S8STD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S8LDI:
             /* TODO: Implement emulation of S8LDI instruction. */
             MIPS_INVAL("OPC_MXU_S8LDI");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S8SDI:
             /* TODO: Implement emulation of S8SDI instruction. */
             MIPS_INVAL("OPC_MXU_S8SDI");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL15:
             decode_opc_mxu__pool15(env, ctx);
@@ -27404,52 +27409,52 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_S16LDD:
             /* TODO: Implement emulation of S16LDD instruction. */
             MIPS_INVAL("OPC_MXU_S16LDD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S16STD:
             /* TODO: Implement emulation of S16STD instruction. */
             MIPS_INVAL("OPC_MXU_S16STD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S16LDI:
             /* TODO: Implement emulation of S16LDI instruction. */
             MIPS_INVAL("OPC_MXU_S16LDI");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S16SDI:
             /* TODO: Implement emulation of S16SDI instruction. */
             MIPS_INVAL("OPC_MXU_S16SDI");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_D32SLL:
             /* TODO: Implement emulation of D32SLL instruction. */
             MIPS_INVAL("OPC_MXU_D32SLL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_D32SLR:
             /* TODO: Implement emulation of D32SLR instruction. */
             MIPS_INVAL("OPC_MXU_D32SLR");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_D32SARL:
             /* TODO: Implement emulation of D32SARL instruction. */
             MIPS_INVAL("OPC_MXU_D32SARL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_D32SAR:
             /* TODO: Implement emulation of D32SAR instruction. */
             MIPS_INVAL("OPC_MXU_D32SAR");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_Q16SLL:
             /* TODO: Implement emulation of Q16SLL instruction. */
             MIPS_INVAL("OPC_MXU_Q16SLL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_Q16SLR:
             /* TODO: Implement emulation of Q16SLR instruction. */
             MIPS_INVAL("OPC_MXU_Q16SLR");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL18:
             decode_opc_mxu__pool18(env, ctx);
@@ -27457,7 +27462,7 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_Q16SAR:
             /* TODO: Implement emulation of Q16SAR instruction. */
             MIPS_INVAL("OPC_MXU_Q16SAR");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU__POOL19:
             decode_opc_mxu__pool19(env, ctx);
@@ -27471,26 +27476,26 @@  static void decode_opc_mxu(CPUMIPSState *env, DisasContext *ctx)
         case OPC_MXU_Q16SCOP:
             /* TODO: Implement emulation of Q16SCOP instruction. */
             MIPS_INVAL("OPC_MXU_Q16SCOP");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_Q8MADL:
             /* TODO: Implement emulation of Q8MADL instruction. */
             MIPS_INVAL("OPC_MXU_Q8MADL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_S32SFL:
             /* TODO: Implement emulation of S32SFL instruction. */
             MIPS_INVAL("OPC_MXU_S32SFL");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_MXU_Q8SAD:
             /* TODO: Implement emulation of Q8SAD instruction. */
             MIPS_INVAL("OPC_MXU_Q8SAD");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         default:
             MIPS_INVAL("decode_opc_mxu");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
 
         gen_set_label(l_exit);
@@ -27569,7 +27574,7 @@  static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
 #endif
     default:            /* Invalid */
         MIPS_INVAL("special2_legacy");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27591,7 +27596,7 @@  static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
     case R6_OPC_PREF:
         if (rt >= 24) {
             /* hint codes 24-31 are reserved and signal RI */
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         /* Treat as NOP. */
         break;
@@ -27630,7 +27635,7 @@  static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
 #ifndef CONFIG_USER_ONLY
     case OPC_GINV:
         if (unlikely(ctx->gi <= 1)) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         check_cp0_enabled(ctx);
         switch ((ctx->opcode >> 6) & 3) {
@@ -27641,7 +27646,7 @@  static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
             gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2));
             break;
         default:
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -27682,7 +27687,7 @@  static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
 #endif
     default:            /* Invalid */
         MIPS_INVAL("special3_r6");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -27733,13 +27738,13 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
                 break;
             default:
                 MIPS_INVAL("MASK ADDUH.QB");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         } else if (ctx->insn_flags & INSN_LOONGSON2E) {
             gen_loongson_integer(ctx, op1, rd, rs, rt);
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         break;
     case OPC_LX_DSP:
@@ -27755,7 +27760,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK LX");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -27786,7 +27791,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("MASK ABSQ_S.PH");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -27823,7 +27828,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK ADDU.QB");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
 
         }
@@ -27863,7 +27868,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK CMPU.EQ.QB");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -27899,7 +27904,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK DPAW.PH");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -27929,7 +27934,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             }
         default:            /* Invalid */
             MIPS_INVAL("MASK INSV");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -27964,7 +27969,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK EXTR.W");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28010,7 +28015,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK ABSQ_S.QH");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28049,7 +28054,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK ADDU.OB");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28094,7 +28099,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK CMPU_EQ.OB");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28131,7 +28136,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK EXTR.W");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28170,7 +28175,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:            /* Invalid */
             MIPS_INVAL("MASK DPAQ.W.QH");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28200,7 +28205,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
         }
         default:            /* Invalid */
             MIPS_INVAL("MASK DINSV");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -28210,7 +28215,7 @@  static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
 #endif
     default:            /* Invalid */
         MIPS_INVAL("special3_legacy");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -28248,11 +28253,11 @@  static void decode_mmi0(CPUMIPSState *env, DisasContext *ctx)
     case MMI_OPC_0_PPACB:     /* TODO: MMI_OPC_0_PPACB */
     case MMI_OPC_0_PEXT5:     /* TODO: MMI_OPC_0_PEXT5 */
     case MMI_OPC_0_PPAC5:     /* TODO: MMI_OPC_0_PPAC5 */
-        generate_exception_end(ctx, EXCP_RI); /* TODO: MMI_OPC_CLASS_MMI0 */
+        gen_reserved_instruction(ctx); /* TODO: MMI_OPC_CLASS_MMI0 */
         break;
     default:
         MIPS_INVAL("TX79 MMI class MMI0");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -28280,11 +28285,11 @@  static void decode_mmi1(CPUMIPSState *env, DisasContext *ctx)
     case MMI_OPC_1_PSUBUB:    /* TODO: MMI_OPC_1_PSUBUB */
     case MMI_OPC_1_PEXTUB:    /* TODO: MMI_OPC_1_PEXTUB */
     case MMI_OPC_1_QFSRV:     /* TODO: MMI_OPC_1_QFSRV */
-        generate_exception_end(ctx, EXCP_RI); /* TODO: MMI_OPC_CLASS_MMI1 */
+        gen_reserved_instruction(ctx); /* TODO: MMI_OPC_CLASS_MMI1 */
         break;
     default:
         MIPS_INVAL("TX79 MMI class MMI1");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -28315,14 +28320,14 @@  static void decode_mmi2(CPUMIPSState *env, DisasContext *ctx)
     case MMI_OPC_2_PDIVBW:    /* TODO: MMI_OPC_2_PDIVBW */
     case MMI_OPC_2_PEXEW:     /* TODO: MMI_OPC_2_PEXEW */
     case MMI_OPC_2_PROT3W:    /* TODO: MMI_OPC_2_PROT3W */
-        generate_exception_end(ctx, EXCP_RI); /* TODO: MMI_OPC_CLASS_MMI2 */
+        gen_reserved_instruction(ctx); /* TODO: MMI_OPC_CLASS_MMI2 */
         break;
     case MMI_OPC_2_PCPYLD:
         gen_mmi_pcpyld(ctx);
         break;
     default:
         MIPS_INVAL("TX79 MMI class MMI2");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -28343,7 +28348,7 @@  static void decode_mmi3(CPUMIPSState *env, DisasContext *ctx)
     case MMI_OPC_3_PNOR:       /* TODO: MMI_OPC_3_PNOR */
     case MMI_OPC_3_PEXCH:      /* TODO: MMI_OPC_3_PEXCH */
     case MMI_OPC_3_PEXCW:      /* TODO: MMI_OPC_3_PEXCW */
-        generate_exception_end(ctx, EXCP_RI); /* TODO: MMI_OPC_CLASS_MMI3 */
+        gen_reserved_instruction(ctx); /* TODO: MMI_OPC_CLASS_MMI3 */
         break;
     case MMI_OPC_3_PCPYH:
         gen_mmi_pcpyh(ctx);
@@ -28353,7 +28358,7 @@  static void decode_mmi3(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("TX79 MMI class MMI3");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -28407,23 +28412,23 @@  static void decode_mmi(CPUMIPSState *env, DisasContext *ctx)
     case MMI_OPC_PSLLW:         /* TODO: MMI_OPC_PSLLW */
     case MMI_OPC_PSRLW:         /* TODO: MMI_OPC_PSRLW */
     case MMI_OPC_PSRAW:         /* TODO: MMI_OPC_PSRAW */
-        generate_exception_end(ctx, EXCP_RI);    /* TODO: MMI_OPC_CLASS_MMI */
+        gen_reserved_instruction(ctx);    /* TODO: MMI_OPC_CLASS_MMI */
         break;
     default:
         MIPS_INVAL("TX79 MMI class");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
 
 static void gen_mmi_lq(CPUMIPSState *env, DisasContext *ctx)
 {
-    generate_exception_end(ctx, EXCP_RI);    /* TODO: MMI_OPC_LQ */
+    gen_reserved_instruction(ctx);    /* TODO: MMI_OPC_LQ */
 }
 
 static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset)
 {
-    generate_exception_end(ctx, EXCP_RI);    /* TODO: MMI_OPC_SQ */
+    gen_reserved_instruction(ctx);    /* TODO: MMI_OPC_SQ */
 }
 
 /*
@@ -28631,7 +28636,7 @@  static inline int check_msa_access(DisasContext *ctx)
 {
     if (unlikely((ctx->hflags & MIPS_HFLAG_FPU) &&
                  !(ctx->hflags & MIPS_HFLAG_F64))) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return 0;
     }
 
@@ -28640,7 +28645,7 @@  static inline int check_msa_access(DisasContext *ctx)
             generate_exception_end(ctx, EXCP_MSADIS);
             return 0;
         } else {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             return 0;
         }
     }
@@ -28697,7 +28702,7 @@  static void gen_msa_branch(CPUMIPSState *env, DisasContext *ctx, uint32_t op1)
     check_msa_access(ctx);
 
     if (ctx->hflags & MIPS_HFLAG_BMASK) {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
     switch (op1) {
@@ -28772,7 +28777,7 @@  static void gen_msa_i8(CPUMIPSState *env, DisasContext *ctx)
         {
             uint8_t df = (ctx->opcode >> 24) & 0x3;
             if (df == DF_DOUBLE) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
             } else {
                 TCGv_i32 tdf = tcg_const_i32(df);
                 gen_helper_msa_shf_df(cpu_env, tdf, twd, tws, ti8);
@@ -28782,7 +28787,7 @@  static void gen_msa_i8(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -28854,7 +28859,7 @@  static void gen_msa_i5(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -28890,7 +28895,7 @@  static void gen_msa_bit(CPUMIPSState *env, DisasContext *ctx)
         m = dfm & 0x7;
         df = DF_BYTE;
     } else {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -28938,7 +28943,7 @@  static void gen_msa_bit(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -29783,7 +29788,7 @@  static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
     case OPC_HSUB_S_df:
     case OPC_HSUB_U_df:
         if (df == DF_BYTE) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         switch (MASK_MSA_3R(ctx->opcode)) {
@@ -29921,7 +29926,7 @@  static void gen_msa_3r(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
     tcg_temp_free_i32(twd);
@@ -29953,7 +29958,7 @@  static void gen_msa_elm_3e(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -29990,12 +29995,12 @@  static void gen_msa_elm_df(CPUMIPSState *env, DisasContext *ctx, uint32_t df,
 #if !defined(TARGET_MIPS64)
         /* Double format valid only for MIPS64 */
         if (df == DF_DOUBLE) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         if ((MASK_MSA_ELM(ctx->opcode) == OPC_COPY_U_df) &&
               (df == DF_WORD)) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
 #endif
@@ -30065,7 +30070,7 @@  static void gen_msa_elm_df(CPUMIPSState *env, DisasContext *ctx, uint32_t df,
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
     }
     tcg_temp_free_i32(twd);
     tcg_temp_free_i32(tws);
@@ -30095,7 +30100,7 @@  static void gen_msa_elm(CPUMIPSState *env, DisasContext *ctx)
         gen_msa_elm_3e(env, ctx);
         return;
     } else {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         return;
     }
 
@@ -30250,7 +30255,7 @@  static void gen_msa_3rf(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -30278,7 +30283,7 @@  static void gen_msa_2r(CPUMIPSState *env, DisasContext *ctx)
 #if !defined(TARGET_MIPS64)
         /* Double format valid only for MIPS64 */
         if (df == DF_DOUBLE) {
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
 #endif
@@ -30334,7 +30339,7 @@  static void gen_msa_2r(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -30449,7 +30454,7 @@  static void gen_msa_vec_v(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -30478,7 +30483,7 @@  static void gen_msa_vec(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -30576,7 +30581,7 @@  static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:
         MIPS_INVAL("MSA instruction");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 
@@ -30660,7 +30665,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
                     /* OPC_NAL, OPC_BAL */
                     gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4);
                 } else {
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                 }
             } else {
                 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
@@ -30679,7 +30684,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
         case OPC_SIGRIE:
             check_insn(ctx, ISA_MIPS_R6);
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         case OPC_SYNCI:
             check_insn(ctx, ISA_MIPS_R2);
@@ -30714,7 +30719,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
 #endif
         default:            /* Invalid */
             MIPS_INVAL("regimm");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -30823,7 +30828,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
                     break;
                 default:            /* Invalid */
                     MIPS_INVAL("mfmc0");
-                    generate_exception_end(ctx, EXCP_RI);
+                    gen_reserved_instruction(ctx);
                     break;
                 }
                 tcg_temp_free(t0);
@@ -30840,7 +30845,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("cp0");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -30876,7 +30881,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */
         if (ctx->insn_flags & ISA_MIPS_R6) {
             if (rt == 0) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */
@@ -30889,7 +30894,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
     case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */
         if (ctx->insn_flags & ISA_MIPS_R6) {
             if (rt == 0) {
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
             /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */
@@ -31138,7 +31143,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
             break;
         default:
             MIPS_INVAL("cp1");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             break;
         }
         break;
@@ -31224,7 +31229,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
                 break;
             default:
                 MIPS_INVAL("cp3");
-                generate_exception_end(ctx, EXCP_RI);
+                gen_reserved_instruction(ctx);
                 break;
             }
         } else {
@@ -31289,7 +31294,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
             gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
         } else {
             MIPS_INVAL("major opcode");
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
         }
         break;
 #endif
@@ -31307,7 +31312,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
                 tcg_temp_free(t0);
             }
 #else
-            generate_exception_end(ctx, EXCP_RI);
+            gen_reserved_instruction(ctx);
             MIPS_INVAL("major opcode");
 #endif
         } else {
@@ -31333,7 +31338,7 @@  static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
         break;
     default:            /* Invalid */
         MIPS_INVAL("major opcode");
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         break;
     }
 }
@@ -31438,7 +31443,7 @@  static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
         ctx->opcode = cpu_lduw_code(env, ctx->base.pc_next);
         insn_bytes = decode_mips16_opc(env, ctx);
     } else {
-        generate_exception_end(ctx, EXCP_RI);
+        gen_reserved_instruction(ctx);
         g_assert(ctx->base.is_jmp == DISAS_NORETURN);
         return;
     }