When SEV is enabled then we must unroll the rep String I/O instructions. The patch updates dsc file to use SEV version of IoLib inf. The main difference between BaseIoLibIntrinsic.inf and BaseIoLibIntrinsicSev.inf is, SEV version checks if its running under SEV enabled guest, If so then it unroll the String I/O (REP INS/OUTS) otherwise fallbacks to rep ins/outs.
Cc: Jordan Justen <[email protected]> Cc: Laszlo Ersek <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Brijesh Singh <[email protected]> Reviewed-by: Laszlo Ersek <[email protected]> --- OvmfPkg/OvmfPkgIa32.dsc | 2 +- OvmfPkg/OvmfPkgIa32X64.dsc | 2 +- OvmfPkg/OvmfPkgX64.dsc | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index bd115c9ced93..f3889c29f426 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -120,7 +120,7 @@ [LibraryClasses] PciExpressLib|MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf PciLib|MdePkg/Library/BasePciLibCf8/BasePciLibCf8.inf PciSegmentLib|MdePkg/Library/BasePciSegmentLibPci/BasePciSegmentLibPci.inf - IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf + IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf MtrrLib|UefiCpuPkg/Library/MtrrLib/MtrrLib.inf diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 9727db842922..2aaa21f79e49 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -125,7 +125,7 @@ [LibraryClasses] PciExpressLib|MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf PciLib|MdePkg/Library/BasePciLibCf8/BasePciLibCf8.inf PciSegmentLib|MdePkg/Library/BasePciSegmentLibPci/BasePciSegmentLibPci.inf - IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf + IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf MtrrLib|UefiCpuPkg/Library/MtrrLib/MtrrLib.inf diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 61aaed761657..b1e35942ba03 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -125,7 +125,7 @@ [LibraryClasses] PciExpressLib|MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf PciLib|MdePkg/Library/BasePciLibCf8/BasePciLibCf8.inf PciSegmentLib|MdePkg/Library/BasePciSegmentLibPci/BasePciSegmentLibPci.inf - IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf + IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicSev.inf OemHookStatusCodeLib|MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf SerialPortLib|PcAtChipsetPkg/Library/SerialIoLib/SerialIoLib.inf MtrrLib|UefiCpuPkg/Library/MtrrLib/MtrrLib.inf -- 2.7.4 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
