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| author | Peter Maydell | 2016-05-17 16:18:06 +0200 |
|---|---|---|
| committer | Peter Maydell | 2016-06-09 16:55:02 +0200 |
| commit | 33271823323483b4ede1ae99de83d33b25875402 (patch) | |
| tree | f719645e17d3acbc473bca72a9ea87754bbc15e3 | |
| parent | user-exec: Don't reextract sigmask from usercontext pointer (diff) | |
| download | qemu-33271823323483b4ede1ae99de83d33b25875402.tar.gz qemu-33271823323483b4ede1ae99de83d33b25875402.tar.xz qemu-33271823323483b4ede1ae99de83d33b25875402.zip | |
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 <peter.maydell@linaro.org>
Reviewed-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Riku Voipio <riku.voipio@linaro.org>
Message-id: 1463494687-25947-6-git-send-email-peter.maydell@linaro.org
| -rw-r--r-- | target-i386/seg_helper.c | 6 |
1 files changed, 5 insertions, 1 deletions
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) { |