diff mbox series

[v4,2/8] target/tricore: Introduce DISAS_TARGET_EXIT

Message ID 20230621142302.1648383-3-kbastian@mail.uni-paderborn.de (mailing list archive)
State New, archived
Headers show
Series TriCore Privilege Levels | expand

Commit Message

Bastian Koppelmann June 21, 2023, 2:22 p.m. UTC 
this replaces all calls to tcg_gen_exit_tb() and moves them to
tricore_tb_stop().

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
---
 target/tricore/translate.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)
diff mbox series

Patch

diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index 1d522d3b50..d4f7415158 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -37,6 +37,7 @@ 
 #include "exec/helper-info.c.inc"
 #undef  HELPER_H
 
+#define DISAS_EXIT        DISAS_TARGET_0
 
 /*
  * TCG registers
@@ -2835,6 +2836,7 @@  static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
         gen_save_pc(dest);
         tcg_gen_lookup_and_goto_ptr();
     }
+    ctx->base.is_jmp = DISAS_NORETURN;
 }
 
 static void generate_trap(DisasContext *ctx, int class, int tin)
@@ -2895,8 +2897,7 @@  static void gen_fret(DisasContext *ctx)
     tcg_gen_qemu_ld_tl(cpu_gpr_a[11], cpu_gpr_a[10], ctx->mem_idx, MO_LESL);
     tcg_gen_addi_tl(cpu_gpr_a[10], cpu_gpr_a[10], 4);
     tcg_gen_mov_tl(cpu_PC, temp);
-    tcg_gen_exit_tb(NULL, 0);
-    ctx->base.is_jmp = DISAS_NORETURN;
+    ctx->base.is_jmp = DISAS_EXIT;
 }
 
 static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1,
@@ -2995,12 +2996,12 @@  static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1,
 /* SR-format jumps */
     case OPC1_16_SR_JI:
         tcg_gen_andi_tl(cpu_PC, cpu_gpr_a[r1], 0xfffffffe);
-        tcg_gen_exit_tb(NULL, 0);
+        ctx->base.is_jmp = DISAS_EXIT;
         break;
     case OPC2_32_SYS_RET:
     case OPC2_16_SR_RET:
         gen_helper_ret(cpu_env);
-        tcg_gen_exit_tb(NULL, 0);
+        ctx->base.is_jmp = DISAS_EXIT;
         break;
 /* B-format */
     case OPC1_32_B_CALLA:
@@ -3152,7 +3153,6 @@  static void gen_compute_branch(DisasContext *ctx, uint32_t opc, int r1,
     default:
         generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
     }
-    ctx->base.is_jmp = DISAS_NORETURN;
 }
 
 
@@ -3493,8 +3493,7 @@  static void decode_sr_system(DisasContext *ctx)
         break;
     case OPC2_16_SR_RFE:
         gen_helper_rfe(cpu_env);
-        tcg_gen_exit_tb(NULL, 0);
-        ctx->base.is_jmp = DISAS_NORETURN;
+        ctx->base.is_jmp = DISAS_EXIT;
         break;
     case OPC2_16_SR_DEBUG:
         /* raise EXCP_DEBUG */
@@ -6075,8 +6074,7 @@  static void decode_rr_idirect(DisasContext *ctx)
     default:
         generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
     }
-    tcg_gen_exit_tb(NULL, 0);
-    ctx->base.is_jmp = DISAS_NORETURN;
+    ctx->base.is_jmp = DISAS_EXIT;
 }
 
 static void decode_rr_divide(DisasContext *ctx)
@@ -7907,8 +7905,7 @@  static void decode_sys_interrupts(DisasContext *ctx)
         break;
     case OPC2_32_SYS_RFE:
         gen_helper_rfe(cpu_env);
-        tcg_gen_exit_tb(NULL, 0);
-        ctx->base.is_jmp = DISAS_NORETURN;
+        ctx->base.is_jmp = DISAS_EXIT;
         break;
     case OPC2_32_SYS_RFM:
         if ((ctx->hflags & TRICORE_HFLAG_KUU) == TRICORE_HFLAG_SM) {
@@ -7920,8 +7917,7 @@  static void decode_sys_interrupts(DisasContext *ctx)
             tcg_gen_brcondi_tl(TCG_COND_NE, tmp, 1, l1);
             gen_helper_rfm(cpu_env);
             gen_set_label(l1);
-            tcg_gen_exit_tb(NULL, 0);
-            ctx->base.is_jmp = DISAS_NORETURN;
+            ctx->base.is_jmp = DISAS_EXIT;
         } else {
             /* generate privilege trap */
         }
@@ -8383,6 +8379,9 @@  static void tricore_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu)
     case DISAS_TOO_MANY:
         gen_goto_tb(ctx, 0, ctx->base.pc_next);
         break;
+    case DISAS_EXIT:
+        tcg_gen_exit_tb(NULL, 0);
+        break;
     case DISAS_NORETURN:
         break;
     default: