Message ID | 1445012619-23772-9-git-send-email-ehabkost@redhat.com |
---|---|
State | New |
Headers | show |
On 10/16/2015 06:23 AM, Eduardo Habkost wrote: > Bits 4-11 and 16-31 on DR6 are documented as always 1, so ensure they > can't be cleared by software. > > Signed-off-by: Eduardo Habkost<ehabkost@redhat.com> > --- > target-i386/bpt_helper.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Richard Henderson <rth@twiddle.net> r~
diff --git a/target-i386/bpt_helper.c b/target-i386/bpt_helper.c index 3cb4a09..0fbdc03 100644 --- a/target-i386/bpt_helper.c +++ b/target-i386/bpt_helper.c @@ -261,7 +261,7 @@ void helper_set_dr(CPUX86State *env, int reg, target_ulong t0) } /* fallthru */ case 6: - env->dr[6] = t0; + env->dr[6] = t0 | DR6_FIXED_1; return; case 5: if (env->cr[4] & CR4_DE_MASK) {
Bits 4-11 and 16-31 on DR6 are documented as always 1, so ensure they can't be cleared by software. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> --- target-i386/bpt_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)