qemu-riscv
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[PATCH v2 3/5] target/riscv: Sync cpu_pc before update badaddr


From: Weiwei Li
Subject: [PATCH v2 3/5] target/riscv: Sync cpu_pc before update badaddr
Date: Wed, 29 Mar 2023 11:23:44 +0800

We should sync cpu_pc before storing it into badaddr when mis-aligned
exception is triggered.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
---
 target/riscv/insn_trans/trans_rvi.c.inc | 1 +
 target/riscv/translate.c                | 1 +
 2 files changed, 2 insertions(+)

diff --git a/target/riscv/insn_trans/trans_rvi.c.inc 
b/target/riscv/insn_trans/trans_rvi.c.inc
index 4ad54e8a49..05d8b5d57f 100644
--- a/target/riscv/insn_trans/trans_rvi.c.inc
+++ b/target/riscv/insn_trans/trans_rvi.c.inc
@@ -171,6 +171,7 @@ static bool gen_branch(DisasContext *ctx, arg_b *a, TCGCond 
cond)
 
     if (!has_ext(ctx, RVC) && ((ctx->base.pc_next + a->imm) & 0x3)) {
         /* misaligned */
+        gen_set_pc_imm(ctx, ctx->base.pc_next + a->imm);
         gen_exception_inst_addr_mis(ctx);
     } else {
         gen_goto_tb(ctx, 0, ctx->base.pc_next + a->imm);
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 0ee8ee147d..f7ddf4c50d 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -551,6 +551,7 @@ static void gen_jal(DisasContext *ctx, int rd, target_ulong 
imm)
     next_pc = ctx->base.pc_next + imm;
     if (!has_ext(ctx, RVC)) {
         if ((next_pc & 0x3) != 0) {
+            gen_set_pc_imm(ctx, next_pc);
             gen_exception_inst_addr_mis(ctx);
             return;
         }
-- 
2.25.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]