i386: hvf: use new helper functions for put/get xsave
This patch makes use of the helper functions for handling xsave in xsave_helper.c, which are shared with kvm. Signed-off-by: Sergio Andres Gomez Del Real <Sergio.G.DelReal@gmail.com> Message-Id: <20170913090522.4022-10-Sergio.G.DelReal@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -502,8 +502,7 @@ int hvf_init_vcpu(CPUState *cpu)
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hvf_reset_vcpu(cpu);
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x86cpu = X86_CPU(cpu);
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x86cpu->env.kvm_xsave_buf = qemu_memalign(4096,
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sizeof(struct hvf_xsave_buf));
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x86cpu->env.kvm_xsave_buf = qemu_memalign(4096, 4096);
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hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_STAR, 1);
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hv_vcpu_enable_native_msr(cpu->hvf_fd, MSR_LSTAR, 1);
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@ -373,13 +373,6 @@ struct HVFX86EmulatorState {
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uint8_t mmio_buf[4096];
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};
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/*
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* hvf xsave area
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*/
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struct hvf_xsave_buf {
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uint32_t data[1024];
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};
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/* useful register access macros */
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#define RIP(cpu) (cpu->hvf_emul->rip)
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#define EIP(cpu) ((uint32_t)cpu->hvf_emul->rip)
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@ -76,36 +76,13 @@ void hvf_get_segment(SegmentCache *qseg, struct vmx_segment *vmx_seg)
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void hvf_put_xsave(CPUState *cpu_state)
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{
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int x;
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struct hvf_xsave_buf *xsave;
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struct X86XSaveArea *xsave;
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xsave = X86_CPU(cpu_state)->env.kvm_xsave_buf;
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memset(xsave, 0, sizeof(*xsave));
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memcpy(&xsave->data[4], &X86_CPU(cpu_state)->env.fpdp, sizeof(X86_CPU(cpu_state)->env.fpdp));
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memcpy(&xsave->data[2], &X86_CPU(cpu_state)->env.fpip, sizeof(X86_CPU(cpu_state)->env.fpip));
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memcpy(&xsave->data[8], &X86_CPU(cpu_state)->env.fpregs, sizeof(X86_CPU(cpu_state)->env.fpregs));
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memcpy(&xsave->data[144], &X86_CPU(cpu_state)->env.ymmh_regs, sizeof(X86_CPU(cpu_state)->env.ymmh_regs));
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memcpy(&xsave->data[288], &X86_CPU(cpu_state)->env.zmmh_regs, sizeof(X86_CPU(cpu_state)->env.zmmh_regs));
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memcpy(&xsave->data[272], &X86_CPU(cpu_state)->env.opmask_regs, sizeof(X86_CPU(cpu_state)->env.opmask_regs));
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memcpy(&xsave->data[240], &X86_CPU(cpu_state)->env.bnd_regs, sizeof(X86_CPU(cpu_state)->env.bnd_regs));
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memcpy(&xsave->data[256], &X86_CPU(cpu_state)->env.bndcs_regs, sizeof(X86_CPU(cpu_state)->env.bndcs_regs));
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memcpy(&xsave->data[416], &X86_CPU(cpu_state)->env.hi16_zmm_regs, sizeof(X86_CPU(cpu_state)->env.hi16_zmm_regs));
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xsave->data[0] = (uint16_t)X86_CPU(cpu_state)->env.fpuc;
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xsave->data[0] |= (X86_CPU(cpu_state)->env.fpus << 16);
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xsave->data[0] |= (X86_CPU(cpu_state)->env.fpstt & 7) << 11;
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for (x = 0; x < 8; ++x)
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xsave->data[1] |= ((!X86_CPU(cpu_state)->env.fptags[x]) << x);
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xsave->data[1] |= (uint32_t)(X86_CPU(cpu_state)->env.fpop << 16);
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memcpy(&xsave->data[40], &X86_CPU(cpu_state)->env.xmm_regs, sizeof(X86_CPU(cpu_state)->env.xmm_regs));
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xsave->data[6] = X86_CPU(cpu_state)->env.mxcsr;
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*(uint64_t *)&xsave->data[128] = X86_CPU(cpu_state)->env.xstate_bv;
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if (hv_vcpu_write_fpstate(cpu_state->hvf_fd, xsave->data, 4096)){
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x86_cpu_xsave_all_areas(X86_CPU(cpu_state), xsave);
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if (hv_vcpu_write_fpstate(cpu_state->hvf_fd, (void*)xsave, 4096)) {
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abort();
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}
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}
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@ -187,39 +164,15 @@ void hvf_put_msrs(CPUState *cpu_state)
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void hvf_get_xsave(CPUState *cpu_state)
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{
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int x;
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struct hvf_xsave_buf *xsave;
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struct X86XSaveArea *xsave;
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xsave = X86_CPU(cpu_state)->env.kvm_xsave_buf;
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if (hv_vcpu_read_fpstate(cpu_state->hvf_fd, xsave->data, 4096)) {
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if (hv_vcpu_read_fpstate(cpu_state->hvf_fd, (void*)xsave, 4096)) {
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abort();
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}
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memcpy(&X86_CPU(cpu_state)->env.fpdp, &xsave->data[4], sizeof(X86_CPU(cpu_state)->env.fpdp));
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memcpy(&X86_CPU(cpu_state)->env.fpip, &xsave->data[2], sizeof(X86_CPU(cpu_state)->env.fpip));
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memcpy(&X86_CPU(cpu_state)->env.fpregs, &xsave->data[8], sizeof(X86_CPU(cpu_state)->env.fpregs));
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memcpy(&X86_CPU(cpu_state)->env.ymmh_regs, &xsave->data[144], sizeof(X86_CPU(cpu_state)->env.ymmh_regs));
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memcpy(&X86_CPU(cpu_state)->env.zmmh_regs, &xsave->data[288], sizeof(X86_CPU(cpu_state)->env.zmmh_regs));
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memcpy(&X86_CPU(cpu_state)->env.opmask_regs, &xsave->data[272], sizeof(X86_CPU(cpu_state)->env.opmask_regs));
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memcpy(&X86_CPU(cpu_state)->env.bnd_regs, &xsave->data[240], sizeof(X86_CPU(cpu_state)->env.bnd_regs));
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memcpy(&X86_CPU(cpu_state)->env.bndcs_regs, &xsave->data[256], sizeof(X86_CPU(cpu_state)->env.bndcs_regs));
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memcpy(&X86_CPU(cpu_state)->env.hi16_zmm_regs, &xsave->data[416], sizeof(X86_CPU(cpu_state)->env.hi16_zmm_regs));
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X86_CPU(cpu_state)->env.fpuc = (uint16_t)xsave->data[0];
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X86_CPU(cpu_state)->env.fpus = (uint16_t)(xsave->data[0] >> 16);
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X86_CPU(cpu_state)->env.fpstt = (X86_CPU(cpu_state)->env.fpus >> 11) & 7;
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X86_CPU(cpu_state)->env.fpop = (uint16_t)(xsave->data[1] >> 16);
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for (x = 0; x < 8; ++x)
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X86_CPU(cpu_state)->env.fptags[x] =
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((((uint16_t)xsave->data[1] >> x) & 1) == 0);
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memcpy(&X86_CPU(cpu_state)->env.xmm_regs, &xsave->data[40], sizeof(X86_CPU(cpu_state)->env.xmm_regs));
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X86_CPU(cpu_state)->env.mxcsr = xsave->data[6];
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X86_CPU(cpu_state)->env.xstate_bv = *(uint64_t *)&xsave->data[128];
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x86_cpu_xrstor_all_areas(X86_CPU(cpu_state), xsave);
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}
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void hvf_get_segments(CPUState *cpu_state)
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