The previous patch used wrong count setting with index value, which got wrong
value from CPUID(EAX=12,ECX=0):EAX. So the SGX1 instruction can't be exposed
to VM and the SGX decice can't work in VM.
Fixes:
d19d6ffa0710 ("target/i386: introduce helper to access supported CPUID")
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <
20220530131834.
1222801-1-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* supports. Features can be further restricted by userspace, but not
* made more permissive.
*/
- x86_cpu_get_supported_cpuid(0x12, index, eax, ebx, ecx, edx);
+ x86_cpu_get_supported_cpuid(0x12, count, eax, ebx, ecx, edx);
if (count == 0) {
*eax &= env->features[FEAT_SGX_12_0_EAX];