diff options
Diffstat (limited to 'target-i386')
-rw-r--r-- | target-i386/bpt_helper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target-i386/bpt_helper.c b/target-i386/bpt_helper.c index 23ce828491..49472ea85b 100644 --- a/target-i386/bpt_helper.c +++ b/target-i386/bpt_helper.c @@ -85,6 +85,8 @@ void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7) target_ulong old_dr7 = env->dr[7]; int i; + new_dr7 |= DR7_FIXED_1; + /* If nothing is changing except the global/local enable bits, then we can make the change more efficient. */ if (((old_dr7 ^ new_dr7) & ~0xff) == 0) { |