2014-07-22 23:57:01 +02:00
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## @file
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# FDF include file that defines the main macros and sets the dependent PCDs.
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#
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# Copyright (C) 2014, Red Hat, Inc.
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# Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
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#
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# This program and the accompanying materials are licensed and made available
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# under the terms and conditions of the BSD License which accompanies this
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# distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
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# IMPLIED.
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#
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##
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DEFINE BLOCK_SIZE = 0x1000
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DEFINE VARS_SIZE = 0x20000
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DEFINE VARS_BLOCKS = 0x20
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!ifdef $(FD_SIZE_1MB)
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DEFINE FW_BASE_ADDRESS = 0xFFF00000
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DEFINE FW_SIZE = 0x00100000
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DEFINE FW_BLOCKS = 0x100
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DEFINE CODE_BASE_ADDRESS = 0xFFF20000
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DEFINE CODE_SIZE = 0x000E0000
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DEFINE CODE_BLOCKS = 0xE0
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DEFINE FVMAIN_SIZE = 0x000CC000
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DEFINE SECFV_OFFSET = 0x000EC000
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DEFINE SECFV_SIZE = 0x14000
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!else
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DEFINE FW_BASE_ADDRESS = 0xFFE00000
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DEFINE FW_SIZE = 0x00200000
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DEFINE FW_BLOCKS = 0x200
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DEFINE CODE_BASE_ADDRESS = 0xFFE20000
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DEFINE CODE_SIZE = 0x001E0000
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DEFINE CODE_BLOCKS = 0x1E0
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DEFINE FVMAIN_SIZE = 0x001AC000
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DEFINE SECFV_OFFSET = 0x001CC000
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DEFINE SECFV_SIZE = 0x34000
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!endif
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFdBaseAddress = $(FW_BASE_ADDRESS)
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize = $(FW_SIZE)
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize = $(BLOCK_SIZE)
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase = $(FW_BASE_ADDRESS)
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SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize = 0xE000
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize = $(BLOCK_SIZE)
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase + gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize
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SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize = $(BLOCK_SIZE)
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SET gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase = gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase + gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize
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SET gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize = 0x10000
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OvmfPkg: Sec: assert the build-time calculated end of the scratch buffer
The DecompressMemFvs() function in "OvmfPkg/Sec/SecMain.c" uses more
memory, temporarily, than what PEIFV and DXEFV will ultimately need.
First, it uses an output buffer for decompression, second, the
decompression itself needs a scratch buffer (and this scratch buffer is
the highest area that SEC uses).
DecompressMemFvs() used to be called on normal boots only (ie. not on S3
resume), which is why the decompression output buffer and the scratch
buffer were allowed to scribble over RAM. However, we'll soon start to
worry during S3 resume that the runtime OS might tamper with the
pre-decompressed PEIFV, and we'll decompress the firmware volumes on S3
resume too, from pristine flash. For this we'll need to know the end of
the scratch buffer in advance, so we can prepare a non-malicious OS for
it.
Calculate the end of the scratch buffer statically in the FDF files, and
assert in DecompressMemFvs() that the runtime decompression will match it.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19036 6f19259b-4bc3-4df7-8a09-765794883524
2015-11-30 19:41:20 +01:00
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DEFINE MEMFD_BASE_ADDRESS = 0x800000
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