#include <Library/PeiServicesLib.h>\r
#include <Library/QemuFwCfgLib.h>\r
#include <Library/ResourcePublicationLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
#include <Guid/MemoryTypeInformation.h>\r
#include <Ppi/MasterBootMode.h>\r
#include <IndustryStandard/Pci22.h>\r
+#include <IndustryStandard/SmBios.h>\r
#include <OvmfPlatforms.h>\r
\r
#include "Platform.h"\r
IoOr8 (0x92, BIT1);\r
\r
//\r
- // Build the CPU hob with 36-bit addressing and 16-bits of IO space.\r
+ // Build the CPU HOB with guest RAM size dependent address width and 16-bits\r
+ // of IO space. (Side note: unlike other HOBs, the CPU HOB is needed during\r
+ // S3 resume as well, so we build it unconditionally.)\r
//\r
- BuildCpuHob (36, 16);\r
+ BuildCpuHob (mPhysMemAddressWidth, 16);\r
\r
//\r
// Determine platform type and save Host Bridge DID to PCD\r
}\r
\r
\r
+/**\r
+ Set the SMBIOS entry point version for the generic SmbiosDxe driver.\r
+**/\r
+STATIC\r
+VOID\r
+SmbiosVersionInitialization (\r
+ VOID\r
+ )\r
+{\r
+ FIRMWARE_CONFIG_ITEM Anchor;\r
+ UINTN AnchorSize;\r
+ SMBIOS_TABLE_ENTRY_POINT QemuAnchor;\r
+ UINT16 SmbiosVersion;\r
+\r
+ if (RETURN_ERROR (QemuFwCfgFindFile ("etc/smbios/smbios-anchor", &Anchor,\r
+ &AnchorSize)) ||\r
+ AnchorSize != sizeof QemuAnchor) {\r
+ return;\r
+ }\r
+\r
+ QemuFwCfgSelectItem (Anchor);\r
+ QemuFwCfgReadBytes (AnchorSize, &QemuAnchor);\r
+ if (CompareMem (QemuAnchor.AnchorString, "_SM_", 4) != 0 ||\r
+ CompareMem (QemuAnchor.IntermediateAnchorString, "_DMI_", 5) != 0) {\r
+ return;\r
+ }\r
+\r
+ SmbiosVersion = (UINT16)(QemuAnchor.MajorVersion << 8 |\r
+ QemuAnchor.MinorVersion);\r
+ DEBUG ((EFI_D_INFO, "%a: SMBIOS version from QEMU: 0x%04x\n", __FUNCTION__,\r
+ SmbiosVersion));\r
+ PcdSet16 (PcdSmbiosVersion, SmbiosVersion);\r
+}\r
+\r
+\r
/**\r
Perform Platform PEI initialization.\r
\r
}\r
\r
BootModeInitialization ();\r
+ AddressWidthInitialization ();\r
\r
PublishPeiMemory ();\r
\r
PeiFvInitialization ();\r
\r
MemMapInitialization ();\r
+\r
+ SmbiosVersionInitialization ();\r
}\r
\r
MiscInitialization ();\r