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target/i386: move cpu_sync_bndcs_hflags() function

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Move cpu_sync_bndcs_hflags() function from mpx_helper.c
to helper.c because mpx_helper.c need be disabled when
tcg is disabled.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Yang Zhong 2017-07-03 18:12:15 +08:00 committed by Paolo Bonzini
parent e4b4b6428c
commit ab0a19d4f0
2 changed files with 30 additions and 30 deletions
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30
target/i386/helper.c
View File

@ -29,6 +29,36 @@
#include "hw/i386/apic_internal.h"
#endif
void cpu_sync_bndcs_hflags(CPUX86State *env)
{
uint32_t hflags = env->hflags;
uint32_t hflags2 = env->hflags2;
uint32_t bndcsr;
if ((hflags & HF_CPL_MASK) == 3) {
bndcsr = env->bndcs_regs.cfgu;
} else {
bndcsr = env->msr_bndcfgs;
}
if ((env->cr[4] & CR4_OSXSAVE_MASK)
&& (env->xcr0 & XSTATE_BNDCSR_MASK)
&& (bndcsr & BNDCFG_ENABLE)) {
hflags |= HF_MPX_EN_MASK;
} else {
hflags &= ~HF_MPX_EN_MASK;
}
if (bndcsr & BNDCFG_BNDPRESERVE) {
hflags2 |= HF2_MPX_PR_MASK;
} else {
hflags2 &= ~HF2_MPX_PR_MASK;
}
env->hflags = hflags;
env->hflags2 = hflags2;
}
static void cpu_x86_version(CPUX86State *env, int *family, int *model)
{
int cpuver = env->cpuid_version;

30
target/i386/mpx_helper.c
View File

@ -24,36 +24,6 @@
#include "exec/exec-all.h"
void cpu_sync_bndcs_hflags(CPUX86State *env)
{
uint32_t hflags = env->hflags;
uint32_t hflags2 = env->hflags2;
uint32_t bndcsr;
if ((hflags & HF_CPL_MASK) == 3) {
bndcsr = env->bndcs_regs.cfgu;
} else {
bndcsr = env->msr_bndcfgs;
}
if ((env->cr[4] & CR4_OSXSAVE_MASK)
&& (env->xcr0 & XSTATE_BNDCSR_MASK)
&& (bndcsr & BNDCFG_ENABLE)) {
hflags |= HF_MPX_EN_MASK;
} else {
hflags &= ~HF_MPX_EN_MASK;
}
if (bndcsr & BNDCFG_BNDPRESERVE) {
hflags2 |= HF2_MPX_PR_MASK;
} else {
hflags2 &= ~HF2_MPX_PR_MASK;
}
env->hflags = hflags;
env->hflags2 = hflags2;
}
void helper_bndck(CPUX86State *env, uint32_t fail)
{
if (unlikely(fail)) {