在 2012-12-06四的 09:23 +0000，Peter Maydell写道：
> On 6 December 2012 09:16, li guang <lig.f...@cn.fujitsu.com> wrote:
> > 在 2012-12-06四的 08:54 +0000，Peter Maydell写道：
> >> On 6 December 2012 03:03, liguang <lig.f...@cn.fujitsu.com> wrote:
> >> > Signed-off-by: liguang <lig.f...@cn.fujitsu.com>
> >> > --- a/target-i386/seg_helper.c
> >> > +++ b/target-i386/seg_helper.c
> >> > @@ -465,9 +465,9 @@ static void switch_tss(CPUX86State *env, int
> >> > tss_selector,
> >> >
> >> > #ifndef CONFIG_USER_ONLY
> >> > /* reset local breakpoints */
> >> > - if (env->dr[7] & 0x55) {
> >> > - for (i = 0; i < 4; i++) {
> >> > - if (hw_breakpoint_enabled(env->dr[7], i) == 0x1) {
> >> > + if (env->dr[7] & DR7_LOCAL_BP_MASK) {
> >> > + for (i = 0; i < DR7_MAX_BP; i++) {
> >> > + if (hw_breakpoint_enabled(env->dr[7], i)) {
> >> > hw_breakpoint_remove(env, i);
> >> > }
> >> > }
> >>
> >> This is still wrong.
> >
> > do you mean the use of 'hw_breakpoint_enabled'? or others?
> > maybe a mistake, I change it to 'hw_local_breakpoint_enabled'.
> > if it is I'll re-send a corrected patch.
>
> I mean that in the comments on the previous version of this
> patchseet we explained that this check is specifically checking
> for whether the breakpoint is enabled locally, and that your
> change to just returning bool broke this. And in this version
> of the patch there is still exactly the same problem.
why broke?
this function just ask if breakpoint 'i' was enable,
so we answer enabled or not? 2 simple cases, any problem?
>
> -- PMM
--
regards!
li guang
