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Maurice Ma
12f6f62630
Soemtimes when JTAG based debug is not available, it might be easier
to have Shell access in earlier stage to check lots of platform
settings. Today it is impossible because full Shell has lots of other
dependencies which might not satisfy in early stage. This patch added
a PCD PcdMiniShellEnabled to build a mini Shell with very few
dependencies. This mini Shell can be used in early debug phase for SBL.
To use it, add the following to override the PCD for a specific stage
in BootloaderCorePkg.dsc.
EX:
$(PLATFORM_PACKAGE)/Stage1B/Stage1B.inf {
<PcdsFeatureFlag>
gPlatformCommonLibTokenSpaceGuid.PcdMiniShellEnabled | TRUE
...
}
Then include ShellLib.h in stage C code and add ShellLib in related
stage INF file. If adding it into Stage1A, it needs to be after the
Stage1A banner print out.
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
83 lines
1.5 KiB
INI
83 lines
1.5 KiB
INI
## @file
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#
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# Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = ShellLib
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FILE_GUID = C0297BE1-944B-4134-AC79-AA928F74AE31
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = ShellLib
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 IPF
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#
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[Sources]
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CmdBoot.c
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CmdCpuid.c
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CmdDmesg.c
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CmdExit.c
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CmdHelp.c
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CmdHob.c
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CmdMm.c
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CmdMmap.c
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CmdMmcDll.c
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CmdMsr.c
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CmdMtrr.c
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CmdPci.c
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CmdPciUtil.c
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CmdPerf.c
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CmdReset.c
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CmdUcode.c
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CmdCdata.c
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CmdCls.c
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CmdFs.c
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ShellCmds.c
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Parsing.c
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Printing.c
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History.c
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Shell.c
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[Packages]
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MdePkg/MdePkg.dec
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BootloaderCommonPkg/BootloaderCommonPkg.dec
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[LibraryClasses]
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BaseLib
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BaseMemoryLib
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DebugLib
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ConsoleInLib
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ConsoleOutLib
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PrintLib
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IoLib
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MmcAccessLib
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MmcTuningLib
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TimerLib
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PciExpressLib
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HobLib
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BootOptionLib
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ResetSystemLib
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BootloaderCommonLib
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MemoryAllocationLib
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SortLib
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FileSystemLib
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PartitionLib
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ShellExtensionLib
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[Pcd]
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gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
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gPlatformCommonLibTokenSpaceGuid.PcdMiniShellEnabled
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[Guids]
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gLoaderPerformanceInfoGuid
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gLoaderMemoryMapInfoGuid
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gOsBootOptionGuid
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gLoaderFspInfoGuid
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