コミット: 8c796f1a15d0fca41c4f3e985bfbd33a5afb9ddc - qemu (git)

コミットメタ情報

• リビジョン: 8c796f1a15d0fca41c4f3e985bfbd33a5afb9ddc (tree)
• 日時: 2022-01-21 14:52:57
• 作者: LIU Zhiwei <zhiwei_liu@c-sk...>
• コミッター: Alistair Francis

ログメッセージ

target/riscv: Ignore the pc bits above XLEN

The read from PC for translation is in cpu_get_tb_cpu_state, before translation.

Signed-off-by: LIU Zhiwei <[e-mail]>
Reviewed-by: Richard Henderson <[e-mail]>
Reviewed-by: Alistair Francis <[e-mail]>
Message-id: [e-mail]
Signed-off-by: Alistair Francis <[e-mail]>

変更サマリ

• modified: target/riscv/cpu_helper.c

差分

--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -43,7 +43,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, target_ulong *pc,
 
     uint32_t flags = 0;
 
-    *pc = env->pc;
+    *pc = env->xl == MXL_RV32 ? env->pc & UINT32_MAX : env->pc;
     *cs_base = 0;
 
     if (riscv_has_ext(env, RVV) || cpu->cfg.ext_zve32f || cpu->cfg.ext_zve64f) {