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authorMarcelo Tosatti <mtosatti@redhat.com>2010-06-15 22:40:12 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2010-06-15 22:40:12 -0300
commit9f6f96ea4331a011765c89b09177a5fb9dd6070f (patch)
tree0cc85127092d29923b79ddb857faf999a888ca04 /qemu-kvm-x86.c
parent077176369e8d34463fcf4d9f3c87d797a2bf6250 (diff)
Fix compilation with !KVM_CAP_XSAVE
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'qemu-kvm-x86.c')
-rw-r--r--qemu-kvm-x86.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/qemu-kvm-x86.c b/qemu-kvm-x86.c
index 4f0b1d017..1232049e6 100644
--- a/qemu-kvm-x86.c
+++ b/qemu-kvm-x86.c
@@ -784,8 +784,6 @@ void kvm_arch_load_regs(CPUState *env, int level)
{
struct kvm_regs regs;
struct kvm_fpu fpu;
- struct kvm_xsave* xsave;
- struct kvm_xcrs xcrs;
struct kvm_sregs sregs;
struct kvm_msr_entry msrs[100];
int rc, n, i;
@@ -816,7 +814,10 @@ void kvm_arch_load_regs(CPUState *env, int level)
kvm_set_regs(env, &regs);
+#ifdef KVM_CAP_XSAVE
if (kvm_check_extension(kvm_state, KVM_CAP_XSAVE)) {
+ struct kvm_xsave* xsave;
+
uint16_t cwd, swd, twd, fop;
xsave = qemu_memalign(4096, sizeof(struct kvm_xsave));
@@ -839,6 +840,8 @@ void kvm_arch_load_regs(CPUState *env, int level)
sizeof env->ymmh_regs);
kvm_set_xsave(env, xsave);
if (kvm_check_extension(kvm_state, KVM_CAP_XCRS)) {
+ struct kvm_xcrs xcrs;
+
xcrs.nr_xcrs = 1;
xcrs.flags = 0;
xcrs.xcrs[0].xcr = 0;
@@ -846,6 +849,7 @@ void kvm_arch_load_regs(CPUState *env, int level)
kvm_set_xcrs(env, &xcrs);
}
} else {
+#endif
memset(&fpu, 0, sizeof fpu);
fpu.fsw = env->fpus & ~(7 << 11);
fpu.fsw |= (env->fpstt & 7) << 11;
@@ -856,7 +860,9 @@ void kvm_arch_load_regs(CPUState *env, int level)
memcpy(fpu.xmm, env->xmm_regs, sizeof env->xmm_regs);
fpu.mxcsr = env->mxcsr;
kvm_set_fpu(env, &fpu);
+#ifdef KVM_CAP_XSAVE
}
+#endif
memset(sregs.interrupt_bitmap, 0, sizeof(sregs.interrupt_bitmap));
if (env->interrupt_injected >= 0) {
@@ -975,8 +981,6 @@ void kvm_arch_save_regs(CPUState *env)
{
struct kvm_regs regs;
struct kvm_fpu fpu;
- struct kvm_xsave* xsave;
- struct kvm_xcrs xcrs;
struct kvm_sregs sregs;
struct kvm_msr_entry msrs[100];
uint32_t hflags;
@@ -1008,7 +1012,9 @@ void kvm_arch_save_regs(CPUState *env)
env->eflags = regs.rflags;
env->eip = regs.rip;
+#ifdef KVM_CAP_XSAVE
if (kvm_check_extension(kvm_state, KVM_CAP_XSAVE)) {
+ struct kvm_xsave* xsave;
uint16_t cwd, swd, twd, fop;
xsave = qemu_memalign(4096, sizeof(struct kvm_xsave));
kvm_get_xsave(env, xsave);
@@ -1030,11 +1036,14 @@ void kvm_arch_save_regs(CPUState *env)
memcpy(env->ymmh_regs, &xsave->region[XSAVE_YMMH_SPACE],
sizeof env->ymmh_regs);
if (kvm_check_extension(kvm_state, KVM_CAP_XCRS)) {
+ struct kvm_xcrs xcrs;
+
kvm_get_xcrs(env, &xcrs);
if (xcrs.xcrs[0].xcr == 0)
env->xcr0 = xcrs.xcrs[0].value;
}
} else {
+#endif
kvm_get_fpu(env, &fpu);
env->fpstt = (fpu.fsw >> 11) & 7;
env->fpus = fpu.fsw;
@@ -1044,7 +1053,9 @@ void kvm_arch_save_regs(CPUState *env)
memcpy(env->fpregs, fpu.fpr, sizeof env->fpregs);
memcpy(env->xmm_regs, fpu.xmm, sizeof env->xmm_regs);
env->mxcsr = fpu.mxcsr;
+#ifdef KVM_CAP_XSAVE
}
+#endif
kvm_get_sregs(env, &sregs);