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target-i386: Define DR7 bit field constants

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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>
This commit is contained in:
liguang 2013-01-15 13:39:55 +08:00 • committed by Andreas Färber
parent 5ec01c2e96
commit 428065ce50
5 changed files with 23 additions and 16 deletions
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4
target-i386/misc_helper.c
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@ -197,11 +197,11 @@ void helper_movl_drN_T0(CPUX86State *env, int reg, target_ulong t0)
env->dr[reg] = t0;
hw_breakpoint_insert(env, reg);
} else if (reg == 7) {
for (i = 0; i < 4; i++) {
for (i = 0; i < DR7_MAX_BP; i++) {
hw_breakpoint_remove(env, i);
}
env->dr[7] = t0;
for (i = 0; i < 4; i++) {
for (i = 0; i < DR7_MAX_BP; i++) {
hw_breakpoint_insert(env, i);
}
} else {