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[PATCH v2 3/8] target/tricore: ENABLE/DISABLE exit to main-loop
From: |
Bastian Koppelmann |
Subject: |
[PATCH v2 3/8] target/tricore: ENABLE/DISABLE exit to main-loop |
Date: |
Fri, 16 Jun 2023 17:28:03 +0200 |
so we can recognize exceptions after re-enabling interrupts.
Reported-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
---
target/tricore/translate.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index d4f7415158..6164ba6539 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -38,6 +38,7 @@
#undef HELPER_H
#define DISAS_EXIT DISAS_TARGET_0
+#define DISAS_EXIT_UPDATE DISAS_TARGET_1
/*
* TCG registers
@@ -7880,11 +7881,13 @@ static void decode_sys_interrupts(DisasContext *ctx)
break;
case OPC2_32_SYS_DISABLE:
tcg_gen_andi_tl(cpu_ICR, cpu_ICR, ~ctx->icr_ie_mask);
+ ctx->base.is_jmp = DISAS_EXIT_UPDATE;
break;
case OPC2_32_SYS_DISABLE_D:
if (has_feature(ctx, TRICORE_FEATURE_16)) {
tcg_gen_extract_tl(cpu_gpr_d[r1], cpu_ICR, ctx->icr_ie_offset, 1);
tcg_gen_andi_tl(cpu_ICR, cpu_ICR, ~ctx->icr_ie_mask);
+ ctx->base.is_jmp = DISAS_EXIT_UPDATE;
} else {
generate_trap(ctx, TRAPC_INSN_ERR, TIN2_IOPC);
}
@@ -7892,6 +7895,7 @@ static void decode_sys_interrupts(DisasContext *ctx)
break;
case OPC2_32_SYS_ENABLE:
tcg_gen_ori_tl(cpu_ICR, cpu_ICR, ctx->icr_ie_mask);
+ ctx->base.is_jmp = DISAS_EXIT_UPDATE;
break;
case OPC2_32_SYS_ISYNC:
break;
@@ -8379,6 +8383,9 @@ 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_UPDATE:
+ gen_save_pc(ctx->base.pc_next);
+ /* fall through */
case DISAS_EXIT:
tcg_gen_exit_tb(NULL, 0);
break;
--
2.40.1
- [PATCH v2 0/8] TriCore Privilege Levels, Bastian Koppelmann, 2023/06/16
- [PATCH v2 1/8] target/tricore: Fix RR_JLI clobbering reg A[11], Bastian Koppelmann, 2023/06/16
- [PATCH v2 2/8] target/tricore: Introduce DISAS_TARGET_EXIT, Bastian Koppelmann, 2023/06/16
- [PATCH v2 3/8] target/tricore: ENABLE/DISABLE exit to main-loop,
Bastian Koppelmann <=
- [PATCH v2 4/8] target/tricore: Indirect jump insns use tcg_gen_lookup_and_goto_ptr(), Bastian Koppelmann, 2023/06/16
- [PATCH v2 5/8] target/tricore: Introduce priv tb flag, Bastian Koppelmann, 2023/06/16
- [PATCH v2 6/8] target/tricore: Implement privilege level for all insns, Bastian Koppelmann, 2023/06/16
- [PATCH v2 7/8] target/tricore: Honour privilege changes on PSW write, Bastian Koppelmann, 2023/06/16
- [PATCH v2 8/8] target/tricore: Fix ICR.IE offset in RESTORE insn, Bastian Koppelmann, 2023/06/16