+ ## Pcd8259LegacyModeMask defines the default mask value for platform. This\r
+ # value is determined.\r
+ # 1) If platform only support pure UEFI, value should be set to 0xFFFF or\r
+ # 0xFFFE; Because only clock interrupt is allowed in legacy mode in pure\r
+ # UEFI platform.\r
+ # 2) If platform install CSM and use thunk module:\r
+ # a) If thunk call provided by CSM binary requires some legacy interrupt\r
+ # support, the corresponding bit should be opened as 0.\r
+ # For example, if keyboard interfaces provided CSM binary use legacy\r
+ # keyboard interrupt in 8259 bit 1, then the value should be set to\r
+ # 0xFFFC.\r
+ # b) If all thunk call provied by CSM binary do not require legacy\r
+ # interrupt support, value should be set to 0xFFFF or 0xFFFE.\r
+ #\r
+ # The default value of legacy mode mask could be changed by\r
+ # EFI_LEGACY_8259_PROTOCOL->SetMask(). But it is rarely need change it\r
+ # except some special cases such as when initializing the CSM binary, it\r
+ # should be set to 0xFFFF to mask all legacy interrupt. Please restore the\r
+ # original legacy mask value if changing is made for these special case.\r
+ gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeMask|0xFFFF|UINT16|0x3\r
+\r
+ ## Pcd8259LegacyModeEdgeLevel defines the default edge level for legacy\r
+ # mode's interrrupt controller.\r
+ # For the corresponding bits, 0 = Edge triggered and 1 = Level triggered.\r
+ gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel|0x0000|UINT16|0x5\r
+\r
+ ## Indicates if BiosVideo driver will switch to 80x25 Text VGA Mode when\r
+ # exiting boot service.\r
+ # TRUE - Switch to Text VGA Mode.\r
+ # FALSE - Does not switch to Text VGA Mode.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable|FALSE|BOOLEAN|0x28\r
+\r
+ ## Indicates if BiosVideo driver will check for VESA BIOS Extension service\r
+ # support.\r
+ # TRUE - Check for VESA BIOS Extension service.\r
+ # FALSE - Does not check for VESA BIOS Extension service.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable|TRUE|BOOLEAN|0x29\r
+\r
+ ## Indicates if BiosVideo driver will check for VGA service support.\r
+ # NOTE: If both PcdBiosVideoCheckVbeEnable and PcdBiosVideoCheckVgaEnable\r
+ # are set to FALSE, that means Graphics Output protocol will not be\r
+ # installed, the VGA miniport protocol will be installed instead.\r
+ # TRUE - Check for VGA service.<BR>\r
+ # FALSE - Does not check for VGA service.<BR>\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable|TRUE|BOOLEAN|0x2a\r
+\r
+ ## Indicates if memory space for legacy region will be set as cacheable.\r
+ # TRUE - Set cachebility for legacy region.\r
+ # FALSE - Does not set cachebility for legacy region.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion|TRUE|BOOLEAN|0x2b\r
+\r
+ ## Specify memory size with bytes to reserve EBDA below 640K for OPROM.\r
+ # The value should be a multiple of 4KB.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdEbdaReservedMemorySize|0x8000|UINT32|0x2c\r
+\r
+ ## Specify memory base address for OPROM to find free memory.\r
+ # Some OPROMs do not use EBDA or PMM to allocate memory for its usage,\r
+ # instead they find the memory filled with zero from 0x20000.\r
+ # The value should be a multiple of 4KB.\r
+ # The range should be below the EBDA reserved range from\r
+ # (CONVENTIONAL_MEMORY_TOP - Reserved EBDA Memory Size) to\r
+ # CONVENTIONAL_MEMORY_TOP.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdOpromReservedMemoryBase|0x60000|UINT32|0x2d\r
+\r
+ ## Specify memory size with bytes for OPROM to find free memory.\r
+ # The value should be a multiple of 4KB. And the range should be below the\r
+ # EBDA reserved range from\r
+ # (CONVENTIONAL_MEMORY_TOP - Reserved EBDA Memory Size) to\r
+ # CONVENTIONAL_MEMORY_TOP.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdOpromReservedMemorySize|0x28000|UINT32|0x2e\r
+\r
+ ## Specify the end of address below 1MB for the OPROM.\r
+ # The last shadowed OpROM should not exceed this address.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdEndOpromShadowAddress|0xdffff|UINT32|0x2f\r
+\r
+ ## Specify the low PMM (Post Memory Manager) size with bytes below 1MB.\r
+ # The value should be a multiple of 4KB.\r
+ # @Prompt Low PMM (Post Memory Manager) Size\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdLowPmmMemorySize|0x10000|UINT32|0x30\r
+\r
+ ## Specify the high PMM (Post Memory Manager) size with bytes above 1MB.\r
+ # The value should be a multiple of 4KB.\r
+ gUefiOvmfPkgTokenSpaceGuid.PcdHighPmmMemorySize|0x400000|UINT32|0x31\r
+\r