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[Qemu-devel] [PATCH v2 5/6] target-i386: Add comment about do_interrupt_
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH v2 5/6] target-i386: Add comment about do_interrupt_user() next_eip argument |
Date: |
Tue, 17 May 2016 15:18:06 +0100 |
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 <address@hidden>
---
target-i386/seg_helper.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c
index b5f3d72..860f948 100644
--- a/target-i386/seg_helper.c
+++ b/target-i386/seg_helper.c
@@ -1128,7 +1128,11 @@ 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)
{
--
1.9.1
- [Qemu-devel] [PATCH v2 0/6] user-exec: cpu_resume_from_signal() cleanups, Peter Maydell, 2016/05/17
- [Qemu-devel] [PATCH v2 5/6] target-i386: Add comment about do_interrupt_user() next_eip argument,
Peter Maydell <=
- [Qemu-devel] [PATCH v2 4/6] user-exec: Don't reextract sigmask from usercontext pointer, Peter Maydell, 2016/05/17
- [Qemu-devel] [PATCH v2 2/6] user-exec: Push resume-from-signal code out to handle_cpu_signal(), Peter Maydell, 2016/05/17
- [Qemu-devel] [PATCH v2 1/6] translate-all.c: Don't pass puc, locked to tb_invalidate_phys_page(), Peter Maydell, 2016/05/17
- [Qemu-devel] [PATCH v2 3/6] cpu-exec: Rename cpu_resume_from_signal() to cpu_loop_exit_noexc(), Peter Maydell, 2016/05/17
- [Qemu-devel] [PATCH v2 6/6] target-i386: Move user-mode exception actions out of user-exec.c, Peter Maydell, 2016/05/17