aboutsummaryrefslogtreecommitdiff
path: root/target/i386/kvm.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/i386/kvm.c')
-rw-r--r--target/i386/kvm.c91
1 files changed, 3 insertions, 88 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index ee36502789..f84a49d366 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1433,56 +1433,12 @@ static int kvm_put_xsave(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
X86XSaveArea *xsave = env->kvm_xsave_buf;
- uint16_t cwd, swd, twd;
- int i;
if (!has_xsave) {
return kvm_put_fpu(cpu);
}
+ x86_cpu_xsave_all_areas(cpu, xsave);
- memset(xsave, 0, sizeof(struct kvm_xsave));
- twd = 0;
- swd = env->fpus & ~(7 << 11);
- swd |= (env->fpstt & 7) << 11;
- cwd = env->fpuc;
- for (i = 0; i < 8; ++i) {
- twd |= (!env->fptags[i]) << i;
- }
- xsave->legacy.fcw = cwd;
- xsave->legacy.fsw = swd;
- xsave->legacy.ftw = twd;
- xsave->legacy.fpop = env->fpop;
- xsave->legacy.fpip = env->fpip;
- xsave->legacy.fpdp = env->fpdp;
- memcpy(&xsave->legacy.fpregs, env->fpregs,
- sizeof env->fpregs);
- xsave->legacy.mxcsr = env->mxcsr;
- xsave->header.xstate_bv = env->xstate_bv;
- memcpy(&xsave->bndreg_state.bnd_regs, env->bnd_regs,
- sizeof env->bnd_regs);
- xsave->bndcsr_state.bndcsr = env->bndcs_regs;
- memcpy(&xsave->opmask_state.opmask_regs, env->opmask_regs,
- sizeof env->opmask_regs);
-
- for (i = 0; i < CPU_NB_REGS; i++) {
- uint8_t *xmm = xsave->legacy.xmm_regs[i];
- uint8_t *ymmh = xsave->avx_state.ymmh[i];
- uint8_t *zmmh = xsave->zmm_hi256_state.zmm_hi256[i];
- stq_p(xmm, env->xmm_regs[i].ZMM_Q(0));
- stq_p(xmm+8, env->xmm_regs[i].ZMM_Q(1));
- stq_p(ymmh, env->xmm_regs[i].ZMM_Q(2));
- stq_p(ymmh+8, env->xmm_regs[i].ZMM_Q(3));
- stq_p(zmmh, env->xmm_regs[i].ZMM_Q(4));
- stq_p(zmmh+8, env->xmm_regs[i].ZMM_Q(5));
- stq_p(zmmh+16, env->xmm_regs[i].ZMM_Q(6));
- stq_p(zmmh+24, env->xmm_regs[i].ZMM_Q(7));
- }
-
-#ifdef TARGET_X86_64
- memcpy(&xsave->hi16_zmm_state.hi16_zmm, &env->xmm_regs[16],
- 16 * sizeof env->xmm_regs[16]);
- memcpy(&xsave->pkru_state, &env->pkru, sizeof env->pkru);
-#endif
return kvm_vcpu_ioctl(CPU(cpu), KVM_SET_XSAVE, xsave);
}
@@ -1868,8 +1824,7 @@ static int kvm_get_xsave(X86CPU *cpu)
{
CPUX86State *env = &cpu->env;
X86XSaveArea *xsave = env->kvm_xsave_buf;
- int ret, i;
- uint16_t cwd, swd, twd;
+ int ret;
if (!has_xsave) {
return kvm_get_fpu(cpu);
@@ -1879,48 +1834,8 @@ static int kvm_get_xsave(X86CPU *cpu)
if (ret < 0) {
return ret;
}
+ x86_cpu_xrstor_all_areas(cpu, xsave);
- cwd = xsave->legacy.fcw;
- swd = xsave->legacy.fsw;
- twd = xsave->legacy.ftw;
- env->fpop = xsave->legacy.fpop;
- env->fpstt = (swd >> 11) & 7;
- env->fpus = swd;
- env->fpuc = cwd;
- for (i = 0; i < 8; ++i) {
- env->fptags[i] = !((twd >> i) & 1);
- }
- env->fpip = xsave->legacy.fpip;
- env->fpdp = xsave->legacy.fpdp;
- env->mxcsr = xsave->legacy.mxcsr;
- memcpy(env->fpregs, &xsave->legacy.fpregs,
- sizeof env->fpregs);
- env->xstate_bv = xsave->header.xstate_bv;
- memcpy(env->bnd_regs, &xsave->bndreg_state.bnd_regs,
- sizeof env->bnd_regs);
- env->bndcs_regs = xsave->bndcsr_state.bndcsr;
- memcpy(env->opmask_regs, &xsave->opmask_state.opmask_regs,
- sizeof env->opmask_regs);
-
- for (i = 0; i < CPU_NB_REGS; i++) {
- uint8_t *xmm = xsave->legacy.xmm_regs[i];
- uint8_t *ymmh = xsave->avx_state.ymmh[i];
- uint8_t *zmmh = xsave->zmm_hi256_state.zmm_hi256[i];
- env->xmm_regs[i].ZMM_Q(0) = ldq_p(xmm);
- env->xmm_regs[i].ZMM_Q(1) = ldq_p(xmm+8);
- env->xmm_regs[i].ZMM_Q(2) = ldq_p(ymmh);
- env->xmm_regs[i].ZMM_Q(3) = ldq_p(ymmh+8);
- env->xmm_regs[i].ZMM_Q(4) = ldq_p(zmmh);
- env->xmm_regs[i].ZMM_Q(5) = ldq_p(zmmh+8);
- env->xmm_regs[i].ZMM_Q(6) = ldq_p(zmmh+16);
- env->xmm_regs[i].ZMM_Q(7) = ldq_p(zmmh+24);
- }
-
-#ifdef TARGET_X86_64
- memcpy(&env->xmm_regs[16], &xsave->hi16_zmm_state.hi16_zmm,
- 16 * sizeof env->xmm_regs[16]);
- memcpy(&env->pkru, &xsave->pkru_state, sizeof env->pkru);
-#endif
return 0;
}