diff options
| -rw-r--r-- | target/i386/whpx-all.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/target/i386/whpx-all.c b/target/i386/whpx-all.c index b947eb1da8..cb863b7666 100644 --- a/target/i386/whpx-all.c +++ b/target/i386/whpx-all.c @@ -1044,38 +1044,32 @@ static int whpx_vcpu_run(CPUState *cpu) WHV_REGISTER_VALUE reg_values[5]; WHV_REGISTER_NAME reg_names[5]; UINT32 reg_count = 5; - UINT64 rip, rax, rcx, rdx, rbx; + UINT64 cpuid_fn, rip = 0, rax = 0, rcx = 0, rdx = 0, rbx = 0; + X86CPU *x86_cpu = X86_CPU(cpu); + CPUX86State *env = &x86_cpu->env; memset(reg_values, 0, sizeof(reg_values)); rip = vcpu->exit_ctx.VpContext.Rip + vcpu->exit_ctx.VpContext.InstructionLength; - switch (vcpu->exit_ctx.CpuidAccess.Rax) { - case 1: - rax = vcpu->exit_ctx.CpuidAccess.DefaultResultRax; - /* Advertise that we are running on a hypervisor */ - rcx = - vcpu->exit_ctx.CpuidAccess.DefaultResultRcx | - CPUID_EXT_HYPERVISOR; - - rdx = vcpu->exit_ctx.CpuidAccess.DefaultResultRdx; - rbx = vcpu->exit_ctx.CpuidAccess.DefaultResultRbx; - break; + cpuid_fn = vcpu->exit_ctx.CpuidAccess.Rax; + + /* + * Ideally, these should be supplied to the hypervisor during VCPU + * initialization and it should be able to satisfy this request. + * But, currently, WHPX doesn't support setting CPUID values in the + * hypervisor once the partition has been setup, which is too late + * since VCPUs are realized later. For now, use the values from + * QEMU to satisfy these requests, until WHPX adds support for + * being able to set these values in the hypervisor at runtime. + */ + cpu_x86_cpuid(env, cpuid_fn, 0, (UINT32 *)&rax, (UINT32 *)&rbx, + (UINT32 *)&rcx, (UINT32 *)&rdx); + switch (cpuid_fn) { case 0x80000001: - rax = vcpu->exit_ctx.CpuidAccess.DefaultResultRax; /* Remove any support of OSVW */ - rcx = - vcpu->exit_ctx.CpuidAccess.DefaultResultRcx & - ~CPUID_EXT3_OSVW; - - rdx = vcpu->exit_ctx.CpuidAccess.DefaultResultRdx; - rbx = vcpu->exit_ctx.CpuidAccess.DefaultResultRbx; + rcx &= ~CPUID_EXT3_OSVW; break; - default: - rax = vcpu->exit_ctx.CpuidAccess.DefaultResultRax; - rcx = vcpu->exit_ctx.CpuidAccess.DefaultResultRcx; - rdx = vcpu->exit_ctx.CpuidAccess.DefaultResultRdx; - rbx = vcpu->exit_ctx.CpuidAccess.DefaultResultRbx; } reg_names[0] = WHvX64RegisterRip; |