From: Peter Maydell Date: Tue, 17 May 2016 14:18:06 +0000 (+0100) Subject: target-i386: Add comment about do_interrupt_user() next_eip argument X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=33271823323483b4ede1ae99de83d33b25875402;p=qemu.git target-i386: Add comment about do_interrupt_user() next_eip argument Add a comment to do_interrupt_user() along the same lines as the existing one for do_interrupt_all() noting that the next_eip argument is not used unless is_int is true or intno is EXCP_SYSCALL. Signed-off-by: Peter Maydell Reviewed-by: Sergey Fedorov Acked-by: Eduardo Habkost Acked-by: Riku Voipio Message-id: 1463494687-25947-6-git-send-email-peter.maydell@linaro.org --- diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c index 97aee092dc..6cbdf17426 100644 --- a/target-i386/seg_helper.c +++ b/target-i386/seg_helper.c @@ -1129,7 +1129,11 @@ static void do_interrupt_real(CPUX86State *env, int intno, int is_int, } #if defined(CONFIG_USER_ONLY) -/* fake user mode interrupt */ +/* fake user mode interrupt. is_int is TRUE if coming from the int + * instruction. next_eip is the env->eip value AFTER the interrupt + * instruction. It is only relevant if is_int is TRUE or if intno + * is EXCP_SYSCALL. + */ static void do_interrupt_user(CPUX86State *env, int intno, int is_int, int error_code, target_ulong next_eip) {