Message ID | 1345655737-2476-1-git-send-email-jcmvbkbc@gmail.com |
---|---|
State | New |
Headers | show |
On Wed, Aug 22, 2012 at 9:15 PM, Max Filippov <jcmvbkbc@gmail.com> wrote: > This prevents guest from proceeding with uninitialised garbage returned > from unimplemented simcalls. Oops, looks like ENOSYS is the right errno for that.
diff --git a/target-xtensa/xtensa-semi.c b/target-xtensa/xtensa-semi.c index 1c8a19e..9afa99d 100644 --- a/target-xtensa/xtensa-semi.c +++ b/target-xtensa/xtensa-semi.c @@ -218,6 +218,8 @@ void HELPER(simcall)(CPUXtensaState *env) default: qemu_log("%s(%d): not implemented\n", __func__, regs[2]); + regs[2] = -1; + regs[3] = EINVAL; break; } }
This prevents guest from proceeding with uninitialised garbage returned from unimplemented simcalls. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> --- target-xtensa/xtensa-semi.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)