BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a CPUID instruction requires the current value of the XCR0 register. In order to retrieve that value, the XGETBV instruction needs

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 VMGEXIT is a new instruction used for Hypervisor/Guest communication when running as an SEV-ES guest. A VMGEXIT will cause an automatic exit (AE

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 To support issuing a VMGEXIT instruction, create a library that can be used to perform GHCB and VMGEXIT related operations and to issue the actu

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Various CpuExceptionHandlerLib libraries will updated to use the new VmgExitLib library. To prevent any build breakage, update the OvmfPkg DSC f

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Various CpuExceptionHandlerLib libraries will updated to use the new VmgExitLib library. To prevent any build breakage, update the UefiPayloadPk

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Add base support to handle #VC exceptions. This includes a stub routine to invoke when a #VC exception occurs and special checks in the common e

#vc

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Add support to the #VC exception handler to handle string IO. This requires expanding the IO instruction parsing to recognize string based IO in

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a CPUID intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Add support to

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a MSR_PROT intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Add support

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a IOIO_PROT intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Add suppor

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a NPF intercept for an NPT entry with a reserved bit set generates a #VC exception. This condition is assumed to be an MMIO access

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a WBINVD intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Dong

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a RDTSC intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Dong

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a RDPMC intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Dong

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a INVD intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Dong <

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a VMMCALL intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Don

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a RDTSCP intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eric Dong

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a MONITOR/MONITORX intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc:

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a MWAIT/MWAITX intercept generates a #VC exception. VMGEXIT must be used to allow the hypervisor to handle this intercept. Cc: Eri

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 Under SEV-ES, a DR7 read or write intercept generates a #VC exception. The #VC handler must provide special support to the guest for this. On a