On 11/14/25 09:29, [email protected] wrote:
From: Nguyen Dinh Phi <[email protected]>
Currently, this function is only available in MSHV. If a different accelerator
is used, and the code jumps to this section, a segfault will occur.
(I ran into this with HVF)
Signed-off-by: Nguyen Dinh Phi <[email protected]>
Applied, thanks.
Paolo
---
target/i386/emulate/x86_decode.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/target/i386/emulate/x86_decode.c b/target/i386/emulate/x86_decode.c
index 97bd6f1a3b..d037ed1142 100644
--- a/target/i386/emulate/x86_decode.c
+++ b/target/i386/emulate/x86_decode.c
@@ -77,7 +77,11 @@ static inline uint64_t decode_bytes(CPUX86State *env, struct
x86_decode *decode,
memcpy(&val, decode->stream->bytes + decode->len, size);
} else {
target_ulong va = linear_rip(env_cpu(env), env->eip) + decode->len;
- emul_ops->fetch_instruction(env_cpu(env), &val, va, size);
+ if (emul_ops->fetch_instruction) {
+ emul_ops->fetch_instruction(env_cpu(env), &val, va, size);
+ } else {
+ emul_ops->read_mem(env_cpu(env), &val, va, size);
+ }
}
decode->len += size;