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authorliguang <lig.fnst@cn.fujitsu.com>2013-01-15 13:39:55 +0800
committerAndreas Färber <afaerber@suse.de>2013-01-15 09:14:35 +0100
commit428065ce50643a56bff043501809b62b035f0b17 (patch)
tree0e854bab9efea8205eae804dd5a3c5860e2c40e7 /target-i386/seg_helper.c
parent5ec01c2e96910e1588d1a0de8609b9dda7618c7f (diff)
downloadqemu-428065ce50643a56bff043501809b62b035f0b17.tar.gz
target-i386: Define DR7 bit field constants
Implicit use of dr7 bit field is a little hard to understand, so define constants for them and use them consistently. Signed-off-by: liguang <lig.fnst@cn.fujitsu.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'target-i386/seg_helper.c')
-rw-r--r--target-i386/seg_helper.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c
index c2a99ee9bc..c40bd964c0 100644
--- a/target-i386/seg_helper.c
+++ b/target-i386/seg_helper.c
@@ -465,13 +465,13 @@ 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 (env->dr[7] & DR7_LOCAL_BP_MASK) {
+ for (i = 0; i < DR7_MAX_BP; i++) {
if (hw_breakpoint_enabled(env->dr[7], i) == 0x1) {
hw_breakpoint_remove(env, i);
}
}
- env->dr[7] &= ~0x55;
+ env->dr[7] &= ~DR7_LOCAL_BP_MASK;
}
#endif
}