| 1 | ## @file
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| 2 | # EFI/Framework Open Virtual Machine Firmware (OVMF) platform
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| 3 | #
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| 4 | # Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
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| 5 | #
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| 6 | # SPDX-License-Identifier: BSD-2-Clause-Patent
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| 7 | #
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| 8 | ##
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| 9 |
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| 10 | [Defines]
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| 11 | DEC_SPECIFICATION = 0x00010005
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| 12 | PACKAGE_NAME = OvmfPkg
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| 13 | PACKAGE_GUID = 2daf5f34-50e5-4b9d-b8e3-5562334d87e5
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| 14 | PACKAGE_VERSION = 0.1
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| 15 |
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| 16 | [Includes]
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| 17 | Include
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| 18 | Csm/Include
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| 19 |
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| 20 | [LibraryClasses]
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| 21 | ## @libraryclass Loads and boots a Linux kernel image
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| 22 | #
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| 23 | LoadLinuxLib|Include/Library/LoadLinuxLib.h
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| 24 |
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| 25 | ## @libraryclass Declares helper functions for Secure Encrypted
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| 26 | # Virtualization (SEV) guests.
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| 27 | MemEncryptSevLib|Include/Library/MemEncryptSevLib.h
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| 28 |
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| 29 | ## @libraryclass Save and restore variables using a file
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| 30 | #
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| 31 | NvVarsFileLib|Include/Library/NvVarsFileLib.h
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| 32 |
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| 33 | ## @libraryclass Provides services to work with PCI capabilities in PCI
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| 34 | # config space.
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| 35 | PciCapLib|Include/Library/PciCapLib.h
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| 36 |
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| 37 | ## @libraryclass Layered on top of PciCapLib, allows clients to plug an
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| 38 | # EFI_PCI_IO_PROTOCOL backend into PciCapLib, for config
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| 39 | # space access.
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| 40 | PciCapPciIoLib|Include/Library/PciCapPciIoLib.h
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| 41 |
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| 42 | ## @libraryclass Layered on top of PciCapLib, allows clients to plug a
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| 43 | # PciSegmentLib backend into PciCapLib, for config space
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| 44 | # access.
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| 45 | PciCapPciSegmentLib|Include/Library/PciCapPciSegmentLib.h
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| 46 |
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| 47 | ## @libraryclass Register a status code handler for printing the Boot
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| 48 | # Manager's LoadImage() and StartImage() preparations, and
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| 49 | # return codes, to the UEFI console.
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| 50 | PlatformBmPrintScLib|Include/Library/PlatformBmPrintScLib.h
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| 51 |
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| 52 | ## @libraryclass Customize FVB2 protocol member functions for a platform.
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| 53 | PlatformFvbLib|Include/Library/PlatformFvbLib.h
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| 54 |
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| 55 | ## @libraryclass Access QEMU's firmware configuration interface
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| 56 | #
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| 57 | QemuFwCfgLib|Include/Library/QemuFwCfgLib.h
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| 58 |
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| 59 | ## @libraryclass S3 support for QEMU fw_cfg
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| 60 | #
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| 61 | QemuFwCfgS3Lib|Include/Library/QemuFwCfgS3Lib.h
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| 62 |
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| 63 | ## @libraryclass Parse the contents of named fw_cfg files as simple
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| 64 | # (scalar) data types.
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| 65 | QemuFwCfgSimpleParserLib|Include/Library/QemuFwCfgSimpleParserLib.h
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| 66 |
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| 67 | ## @libraryclass Rewrite the BootOrder NvVar based on QEMU's "bootorder"
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| 68 | # fw_cfg file.
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| 69 | #
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| 70 | QemuBootOrderLib|Include/Library/QemuBootOrderLib.h
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| 71 |
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| 72 | ## @libraryclass Load a kernel image and command line passed to QEMU via
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| 73 | # the command line
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| 74 | #
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| 75 | QemuLoadImageLib|Include/Library/QemuLoadImageLib.h
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| 76 |
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| 77 | ## @libraryclass Serialize (and deserialize) variables
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| 78 | #
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| 79 | SerializeVariablesLib|Include/Library/SerializeVariablesLib.h
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| 80 |
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| 81 | ## @libraryclass Declares utility functions for virtio device drivers.
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| 82 | VirtioLib|Include/Library/VirtioLib.h
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| 83 |
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| 84 | ## @libraryclass Install Virtio Device Protocol instances on virtio-mmio
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| 85 | # transports.
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| 86 | VirtioMmioDeviceLib|Include/Library/VirtioMmioDeviceLib.h
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| 87 |
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| 88 | ## @libraryclass Invoke Xen hypercalls
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| 89 | #
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| 90 | XenHypercallLib|Include/Library/XenHypercallLib.h
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| 91 |
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| 92 | ## @libraryclass Manage XenBus device path and I/O handles
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| 93 | #
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| 94 | XenIoMmioLib|Include/Library/XenIoMmioLib.h
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| 95 |
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| 96 | ## @libraryclass Get information about Xen
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| 97 | #
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| 98 | XenPlatformLib|Include/Library/XenPlatformLib.h
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| 99 |
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| 100 | [Guids]
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| 101 | gUefiOvmfPkgTokenSpaceGuid = {0x93bb96af, 0xb9f2, 0x4eb8, {0x94, 0x62, 0xe0, 0xba, 0x74, 0x56, 0x42, 0x36}}
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| 102 | gEfiXenInfoGuid = {0xd3b46f3b, 0xd441, 0x1244, {0x9a, 0x12, 0x0, 0x12, 0x27, 0x3f, 0xc1, 0x4d}}
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| 103 | gOvmfPkKek1AppPrefixGuid = {0x4e32566d, 0x8e9e, 0x4f52, {0x81, 0xd3, 0x5b, 0xb9, 0x71, 0x5f, 0x97, 0x27}}
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| 104 | gOvmfPlatformConfigGuid = {0x7235c51c, 0x0c80, 0x4cab, {0x87, 0xac, 0x3b, 0x08, 0x4a, 0x63, 0x04, 0xb1}}
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| 105 | gVirtioMmioTransportGuid = {0x837dca9e, 0xe874, 0x4d82, {0xb2, 0x9a, 0x23, 0xfe, 0x0e, 0x23, 0xd1, 0xe2}}
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| 106 | gQemuRamfbGuid = {0x557423a1, 0x63ab, 0x406c, {0xbe, 0x7e, 0x91, 0xcd, 0xbc, 0x08, 0xc4, 0x57}}
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| 107 | gXenBusRootDeviceGuid = {0xa732241f, 0x383d, 0x4d9c, {0x8a, 0xe1, 0x8e, 0x09, 0x83, 0x75, 0x89, 0xd7}}
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| 108 | gRootBridgesConnectedEventGroupGuid = {0x24a2d66f, 0xeedd, 0x4086, {0x90, 0x42, 0xf2, 0x6e, 0x47, 0x97, 0xee, 0x69}}
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| 109 | gMicrosoftVendorGuid = {0x77fa9abd, 0x0359, 0x4d32, {0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b}}
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| 110 | gEfiLegacyBiosGuid = {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}}
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| 111 | gEfiLegacyDevOrderVariableGuid = {0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}}
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| 112 | gLinuxEfiInitrdMediaGuid = {0x5568e427, 0x68fc, 0x4f3d, {0xac, 0x74, 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68}}
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| 113 | gQemuKernelLoaderFsMediaGuid = {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}}
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| 114 |
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| 115 | [Ppis]
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| 116 | # PPI whose presence in the PPI database signals that the TPM base address
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| 117 | # has been discovered and recorded
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| 118 | gOvmfTpmDiscoveredPpiGuid = {0xb9a61ad0, 0x2802, 0x41f3, {0xb5, 0x13, 0x96, 0x51, 0xce, 0x6b, 0xd5, 0x75}}
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| 119 |
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| 120 | [Protocols]
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| 121 | gVirtioDeviceProtocolGuid = {0xfa920010, 0x6785, 0x4941, {0xb6, 0xec, 0x49, 0x8c, 0x57, 0x9f, 0x16, 0x0a}}
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| 122 | gXenBusProtocolGuid = {0x3d3ca290, 0xb9a5, 0x11e3, {0xb7, 0x5d, 0xb8, 0xac, 0x6f, 0x7d, 0x65, 0xe6}}
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| 123 | gXenIoProtocolGuid = {0x6efac84f, 0x0ab0, 0x4747, {0x81, 0xbe, 0x85, 0x55, 0x62, 0x59, 0x04, 0x49}}
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| 124 | gIoMmuAbsentProtocolGuid = {0xf8775d50, 0x8abd, 0x4adf, {0x92, 0xac, 0x85, 0x3e, 0x51, 0xf6, 0xc8, 0xdc}}
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| 125 | gEfiLegacy8259ProtocolGuid = {0x38321dba, 0x4fe0, 0x4e17, {0x8a, 0xec, 0x41, 0x30, 0x55, 0xea, 0xed, 0xc1}}
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| 126 | gEfiFirmwareVolumeProtocolGuid = {0x389F751F, 0x1838, 0x4388, {0x83, 0x90, 0xcd, 0x81, 0x54, 0xbd, 0x27, 0xf8}}
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| 127 | gEfiIsaAcpiProtocolGuid = {0x64a892dc, 0x5561, 0x4536, {0x92, 0xc7, 0x79, 0x9b, 0xfc, 0x18, 0x33, 0x55}}
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| 128 | gEfiIsaIoProtocolGuid = {0x7ee2bd44, 0x3da0, 0x11d4, {0x9a, 0x38, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d}}
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| 129 | gEfiLegacyBiosProtocolGuid = {0xdb9a1e3d, 0x45cb, 0x4abb, {0x85, 0x3b, 0xe5, 0x38, 0x7f, 0xdb, 0x2e, 0x2d}}
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| 130 | gEfiLegacyBiosPlatformProtocolGuid = {0x783658a3, 0x4172, 0x4421, {0xa2, 0x99, 0xe0, 0x09, 0x07, 0x9c, 0x0c, 0xb4}}
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| 131 | gEfiLegacyInterruptProtocolGuid = {0x31ce593d, 0x108a, 0x485d, {0xad, 0xb2, 0x78, 0xf2, 0x1f, 0x29, 0x66, 0xbe}}
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| 132 | gEfiVgaMiniPortProtocolGuid = {0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3}}
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| 133 | gOvmfLoadedX86LinuxKernelProtocolGuid = {0xa3edc05d, 0xb618, 0x4ff6, {0x95, 0x52, 0x76, 0xd7, 0x88, 0x63, 0x43, 0xc8}}
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| 134 |
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| 135 | [PcdsFixedAtBuild]
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| 136 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase|0x0|UINT32|0
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| 137 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize|0x0|UINT32|1
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| 138 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvBase|0x0|UINT32|0x15
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| 139 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize|0x0|UINT32|0x16
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| 140 |
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| 141 | ## This flag is used to control the destination port for PlatformDebugLibIoPort
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| 142 | gUefiOvmfPkgTokenSpaceGuid.PcdDebugIoPort|0x402|UINT16|4
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| 143 |
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| 144 | ## When VirtioScsiDxe is instantiated for a HBA, the numbers of targets and
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| 145 | # LUNs are retrieved from the host during virtio-scsi setup.
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| 146 | # MdeModulePkg/Bus/Scsi/ScsiBusDxe then scans all MaxTarget * MaxLun
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| 147 | # possible devices. This can take extremely long, for example with
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| 148 | # MaxTarget=255 and MaxLun=16383. The *inclusive* constants below limit
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| 149 | # MaxTarget and MaxLun, independently, should the host report higher values,
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| 150 | # so that scanning the number of devices given by their product is still
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| 151 | # acceptably fast.
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| 152 | gUefiOvmfPkgTokenSpaceGuid.PcdVirtioScsiMaxTargetLimit|31|UINT16|6
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| 153 | gUefiOvmfPkgTokenSpaceGuid.PcdVirtioScsiMaxLunLimit|7|UINT32|7
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| 154 |
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| 155 | ## Sets the *inclusive* number of targets and LUNs that PvScsi exposes for
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| 156 | # scan by ScsiBusDxe.
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| 157 | # As specified above for VirtioScsi, ScsiBusDxe scans all MaxTarget * MaxLun
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| 158 | # possible devices, which can take extremely long. Thus, the below constants
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| 159 | # are used so that scanning the number of devices given by their product
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| 160 | # is still acceptably fast.
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| 161 | gUefiOvmfPkgTokenSpaceGuid.PcdPvScsiMaxTargetLimit|64|UINT8|0x36
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| 162 | gUefiOvmfPkgTokenSpaceGuid.PcdPvScsiMaxLunLimit|0|UINT8|0x37
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| 163 |
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| 164 | ## After PvScsiDxe sends a SCSI request to the device, it waits for
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| 165 | # the request completion in a polling loop.
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| 166 | # This constant defines how many micro-seconds to wait between each
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| 167 | # polling loop iteration.
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| 168 | gUefiOvmfPkgTokenSpaceGuid.PcdPvScsiWaitForCmpStallInUsecs|5|UINT32|0x38
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| 169 |
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| 170 | ## Set the *inclusive* number of targets that MptScsi exposes for scan
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| 171 | # by ScsiBusDxe.
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| 172 | gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiMaxTargetLimit|7|UINT8|0x39
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| 173 |
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| 174 | ## Microseconds to stall between polling for MptScsi request result
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| 175 | gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiStallPerPollUsec|5|UINT32|0x40
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| 176 |
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| 177 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0x8
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| 178 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0x9
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| 179 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0xa
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| 180 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize|0|UINT32|0xb
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| 181 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|0x0|UINT32|0xc
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| 182 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase|0x0|UINT32|0xd
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| 183 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase|0x0|UINT32|0xe
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| 184 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFdBaseAddress|0x0|UINT32|0xf
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| 185 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase|0x0|UINT32|0x11
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| 186 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesSize|0x0|UINT32|0x12
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| 187 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase|0x0|UINT32|0x13
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| 188 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize|0x0|UINT32|0x14
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| 189 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase|0x0|UINT32|0x18
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| 190 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageSize|0x0|UINT32|0x19
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| 191 | gUefiOvmfPkgTokenSpaceGuid.PcdGuidedExtractHandlerTableSize|0x0|UINT32|0x1a
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| 192 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDecompressionScratchEnd|0x0|UINT32|0x1f
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| 193 |
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| 194 | ## Pcd8259LegacyModeMask defines the default mask value for platform. This
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| 195 | # value is determined.
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| 196 | # 1) If platform only support pure UEFI, value should be set to 0xFFFF or
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| 197 | # 0xFFFE; Because only clock interrupt is allowed in legacy mode in pure
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| 198 | # UEFI platform.
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| 199 | # 2) If platform install CSM and use thunk module:
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| 200 | # a) If thunk call provided by CSM binary requires some legacy interrupt
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| 201 | # support, the corresponding bit should be opened as 0.
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| 202 | # For example, if keyboard interfaces provided CSM binary use legacy
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| 203 | # keyboard interrupt in 8259 bit 1, then the value should be set to
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| 204 | # 0xFFFC.
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| 205 | # b) If all thunk call provied by CSM binary do not require legacy
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| 206 | # interrupt support, value should be set to 0xFFFF or 0xFFFE.
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| 207 | #
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| 208 | # The default value of legacy mode mask could be changed by
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| 209 | # EFI_LEGACY_8259_PROTOCOL->SetMask(). But it is rarely need change it
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| 210 | # except some special cases such as when initializing the CSM binary, it
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| 211 | # should be set to 0xFFFF to mask all legacy interrupt. Please restore the
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| 212 | # original legacy mask value if changing is made for these special case.
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| 213 | gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeMask|0xFFFF|UINT16|0x3
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| 214 |
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| 215 | ## Pcd8259LegacyModeEdgeLevel defines the default edge level for legacy
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| 216 | # mode's interrrupt controller.
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| 217 | # For the corresponding bits, 0 = Edge triggered and 1 = Level triggered.
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| 218 | gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel|0x0000|UINT16|0x5
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| 219 |
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| 220 | ## Indicates if BiosVideo driver will switch to 80x25 Text VGA Mode when
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| 221 | # exiting boot service.
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| 222 | # TRUE - Switch to Text VGA Mode.
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| 223 | # FALSE - Does not switch to Text VGA Mode.
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| 224 | gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable|FALSE|BOOLEAN|0x28
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| 225 |
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| 226 | ## Indicates if BiosVideo driver will check for VESA BIOS Extension service
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| 227 | # support.
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| 228 | # TRUE - Check for VESA BIOS Extension service.
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| 229 | # FALSE - Does not check for VESA BIOS Extension service.
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| 230 | gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable|TRUE|BOOLEAN|0x29
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| 231 |
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| 232 | ## Indicates if BiosVideo driver will check for VGA service support.
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| 233 | # NOTE: If both PcdBiosVideoCheckVbeEnable and PcdBiosVideoCheckVgaEnable
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| 234 | # are set to FALSE, that means Graphics Output protocol will not be
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| 235 | # installed, the VGA miniport protocol will be installed instead.
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| 236 | # TRUE - Check for VGA service.<BR>
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| 237 | # FALSE - Does not check for VGA service.<BR>
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| 238 | gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable|TRUE|BOOLEAN|0x2a
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| 239 |
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| 240 | ## Indicates if memory space for legacy region will be set as cacheable.
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| 241 | # TRUE - Set cachebility for legacy region.
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| 242 | # FALSE - Does not set cachebility for legacy region.
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| 243 | gUefiOvmfPkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion|TRUE|BOOLEAN|0x2b
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| 244 |
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| 245 | ## Specify memory size with bytes to reserve EBDA below 640K for OPROM.
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| 246 | # The value should be a multiple of 4KB.
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| 247 | gUefiOvmfPkgTokenSpaceGuid.PcdEbdaReservedMemorySize|0x8000|UINT32|0x2c
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| 248 |
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| 249 | ## Specify memory base address for OPROM to find free memory.
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| 250 | # Some OPROMs do not use EBDA or PMM to allocate memory for its usage,
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| 251 | # instead they find the memory filled with zero from 0x20000.
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| 252 | # The value should be a multiple of 4KB.
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| 253 | # The range should be below the EBDA reserved range from
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| 254 | # (CONVENTIONAL_MEMORY_TOP - Reserved EBDA Memory Size) to
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| 255 | # CONVENTIONAL_MEMORY_TOP.
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| 256 | gUefiOvmfPkgTokenSpaceGuid.PcdOpromReservedMemoryBase|0x60000|UINT32|0x2d
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| 257 |
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| 258 | ## Specify memory size with bytes for OPROM to find free memory.
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| 259 | # The value should be a multiple of 4KB. And the range should be below the
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| 260 | # EBDA reserved range from
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| 261 | # (CONVENTIONAL_MEMORY_TOP - Reserved EBDA Memory Size) to
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| 262 | # CONVENTIONAL_MEMORY_TOP.
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| 263 | gUefiOvmfPkgTokenSpaceGuid.PcdOpromReservedMemorySize|0x28000|UINT32|0x2e
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| 264 |
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| 265 | ## Specify the end of address below 1MB for the OPROM.
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| 266 | # The last shadowed OpROM should not exceed this address.
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| 267 | gUefiOvmfPkgTokenSpaceGuid.PcdEndOpromShadowAddress|0xdffff|UINT32|0x2f
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| 268 |
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| 269 | ## Specify the low PMM (Post Memory Manager) size with bytes below 1MB.
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| 270 | # The value should be a multiple of 4KB.
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| 271 | # @Prompt Low PMM (Post Memory Manager) Size
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| 272 | gUefiOvmfPkgTokenSpaceGuid.PcdLowPmmMemorySize|0x10000|UINT32|0x30
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| 273 |
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| 274 | ## Specify the high PMM (Post Memory Manager) size with bytes above 1MB.
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| 275 | # The value should be a multiple of 4KB.
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| 276 | gUefiOvmfPkgTokenSpaceGuid.PcdHighPmmMemorySize|0x400000|UINT32|0x31
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| 277 |
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| 278 | gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr|0x0|UINT32|0x17
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| 279 | gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize|0x0|UINT32|0x32
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| 280 |
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| 281 | ## Number of page frames to use for storing grant table entries.
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| 282 | gUefiOvmfPkgTokenSpaceGuid.PcdXenGrantFrames|4|UINT32|0x33
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| 283 |
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| 284 | [PcdsDynamic, PcdsDynamicEx]
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| 285 | gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|2
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| 286 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable|FALSE|BOOLEAN|0x10
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| 287 | gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0|UINT16|0x1b
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| 288 | gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated|FALSE|BOOLEAN|0x21
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| 289 |
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| 290 | ## The IO port aperture shared by all PCI root bridges.
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| 291 | #
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| 292 | gUefiOvmfPkgTokenSpaceGuid.PcdPciIoBase|0x0|UINT64|0x22
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| 293 | gUefiOvmfPkgTokenSpaceGuid.PcdPciIoSize|0x0|UINT64|0x23
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| 294 |
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| 295 | ## The 32-bit MMIO aperture shared by all PCI root bridges.
|
|---|
| 296 | #
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| 297 | gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Base|0x0|UINT64|0x24
|
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| 298 | gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size|0x0|UINT64|0x25
|
|---|
| 299 |
|
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| 300 | ## The 64-bit MMIO aperture shared by all PCI root bridges.
|
|---|
| 301 | #
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| 302 | gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Base|0x0|UINT64|0x26
|
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| 303 | gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size|0x0|UINT64|0x27
|
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| 304 |
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| 305 | ## The following setting controls how many megabytes we configure as TSEG on
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|---|
| 306 | # Q35, for SMRAM purposes. Permitted defaults are: 1, 2, 8. Other defaults
|
|---|
| 307 | # cause undefined behavior. During boot, the PCD is updated by PlatformPei
|
|---|
| 308 | # to reflect the extended TSEG size, if one is advertized by QEMU.
|
|---|
| 309 | #
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| 310 | # This PCD is only accessed if PcdSmmSmramRequire is TRUE (see below).
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| 311 | gUefiOvmfPkgTokenSpaceGuid.PcdQ35TsegMbytes|8|UINT16|0x20
|
|---|
| 312 |
|
|---|
| 313 | ## Set to TRUE by PlatformPei if the Q35 board supports the "SMRAM at default
|
|---|
| 314 | # SMBASE" feature.
|
|---|
| 315 | #
|
|---|
| 316 | # This PCD is only accessed if PcdSmmSmramRequire is TRUE (see below).
|
|---|
| 317 | gUefiOvmfPkgTokenSpaceGuid.PcdQ35SmramAtDefaultSmbase|FALSE|BOOLEAN|0x34
|
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| 318 |
|
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| 319 | [PcdsFeatureFlag]
|
|---|
| 320 | gUefiOvmfPkgTokenSpaceGuid.PcdQemuBootOrderPciTranslation|TRUE|BOOLEAN|0x1c
|
|---|
| 321 | gUefiOvmfPkgTokenSpaceGuid.PcdQemuBootOrderMmioTranslation|FALSE|BOOLEAN|0x1d
|
|---|
| 322 |
|
|---|
| 323 | ## This feature flag enables SMM/SMRAM support. Note that it also requires
|
|---|
| 324 | # such support from the underlying QEMU instance; if that support is not
|
|---|
| 325 | # present, the firmware will reject continuing after a certain point.
|
|---|
| 326 | #
|
|---|
| 327 | # The flag also acts as a general "security switch"; when TRUE, many
|
|---|
| 328 | # components will change behavior, with the goal of preventing a malicious
|
|---|
| 329 | # runtime OS from tampering with firmware structures (special memory ranges
|
|---|
| 330 | # used by OVMF, the varstore pflash chip, LockBox etc).
|
|---|
| 331 | gUefiOvmfPkgTokenSpaceGuid.PcdSmmSmramRequire|FALSE|BOOLEAN|0x1e
|
|---|
| 332 |
|
|---|
| 333 | ## Informs modules (including pre-DXE-phase modules) whether the platform
|
|---|
| 334 | # firmware contains a CSM (Compatibility Support Module).
|
|---|
| 335 | #
|
|---|
| 336 | gUefiOvmfPkgTokenSpaceGuid.PcdCsmEnable|FALSE|BOOLEAN|0x35
|
|---|
