diff options
| -rw-r--r-- | target/i386/hvf/hvf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 10a06c3c79..15f14ac69e 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -828,6 +828,10 @@ int hvf_vcpu_exec(CPUState *cpu) uint32_t rcx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RCX); uint32_t rdx = (uint32_t)rreg(cpu->hvf_fd, HV_X86_RDX); + if (rax == 1) { + /* CPUID1.ecx.OSXSAVE needs to know CR4 */ + env->cr[4] = rvmcs(cpu->hvf_fd, VMCS_GUEST_CR4); + } hvf_cpu_x86_cpuid(env, rax, rcx, &rax, &rbx, &rcx, &rdx); wreg(cpu->hvf_fd, HV_X86_RAX, rax); |