static int kvm_put_fpu(CPUState *env) { struct kvm_fpu fpu; int i; memset(&fpu, 0, sizeof fpu); fpu.fsw = env->fpus & ~(7 << 11); fpu.fsw |= (env->fpstt & 7) << 11; fpu.fcw = env->fpuc; for (i = 0; i < 8; ++i) fpu.ftwx |= (!env->fptags[i]) << i; memcpy(fpu.fpr, env->fpregs, sizeof env->fpregs); memcpy(fpu.xmm, env->xmm_regs, sizeof env->xmm_regs); fpu.mxcsr = env->mxcsr; return kvm_vcpu_ioctl(env, KVM_SET_FPU, &fpu); }
static int kvm_put_fpu(CPUState *env) { struct kvm_fpu fpu; int i; memset(&fpu, 0, sizeof fpu); fpu.fsw = env->fpus & ~(7 << 11); fpu.fsw |= (env->fpstt & 7) << 11; fpu.fcw = env->fpuc; for (i = 0; i < 8; ++i) fpu.ftwx |= (!env->fptags[i]) << i; memcpy(fpu.fpr, env->fpregs, sizeof env->fpregs); memcpy(fpu.xmm, env->xmm_regs, sizeof env->xmm_regs); fpu.mxcsr = env->mxcsr; return kvm_vcpu_ioctl(env, KVM_SET_FPU, &fpu); }