Commit ab0a19d4 authored by Yang Zhong's avatar Yang Zhong Committed by Paolo Bonzini
Browse files

target/i386: move cpu_sync_bndcs_hflags() function



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: default avatarYang Zhong <yang.zhong@intel.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent e4b4b642
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+30 −0
Original line number Diff line number Diff line
@@ -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;
+0 −30
Original line number Diff line number Diff line
@@ -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)) {