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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2015-02-28 20:25:07 +0000
committerlersek <lersek@Edk2>2015-02-28 20:25:07 +0000
commit523b5266b775f18e2aa364cee17bfe6501707ac3 (patch)
tree2d6044c60a1ca2c7fd06a6a9a98982b8ad80dce2 /ArmPkg/ArmPkg.dec
parent967efdcdc3a3a22550563acb9ec77f565b3dbee0 (diff)
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ArmPkg: allow patchable PCDs for memory, FD and FV addresses
In order to allow a runtime self relocating PrePi instance, change the allowable PCD types for the following PCDs: gArmTokenSpaceGuid.PcdSystemMemoryBase gArmTokenSpaceGuid.PcdSystemMemorySize gArmTokenSpaceGuid.PcdFdBaseAddress gArmTokenSpaceGuid.PcdFvBaseAddress to include PcdsPatchableInModule. This makes the build system correctly distinguish fixed PCDs from PCDs whose value may be different from the assigned value at compile time. Note that this only affects platforms that explicitly mark these PCDs as PatchableInModule in the DSC. All existing platforms that use FixedPcd will not be affected by this change. Contributed-under: TianoCore Contribution Agreement 1.0 Acked-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Olivier Martin <olivier.martin@arm.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16954 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/ArmPkg.dec')
-rw-r--r--ArmPkg/ArmPkg.dec25
1 files changed, 14 insertions, 11 deletions
diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec
index ced3929801..87dbd11b86 100644
--- a/ArmPkg/ArmPkg.dec
+++ b/ArmPkg/ArmPkg.dec
@@ -96,14 +96,6 @@
gArmTokenSpaceGuid.PcdSecureFvSize|0x0|UINT32|0x00000030
#
- # ARM Normal (or Non Secure) Firmware PCDs
- #
- gArmTokenSpaceGuid.PcdFdBaseAddress|0|UINT64|0x0000002B
- gArmTokenSpaceGuid.PcdFdSize|0|UINT32|0x0000002C
- gArmTokenSpaceGuid.PcdFvBaseAddress|0|UINT64|0x0000002D
- gArmTokenSpaceGuid.PcdFvSize|0|UINT32|0x0000002E
-
- #
# ARM Hypervisor Firmware PCDs
#
gArmTokenSpaceGuid.PcdHypFdBaseAddress|0|UINT32|0x0000003A
@@ -130,6 +122,15 @@
# Maximum file size for TFTP servers that do not support 'tsize' extension
gArmTokenSpaceGuid.PcdMaxTftpFileSize|0x01000000|UINT32|0x00000000
+ #
+ # ARM Normal (or Non Secure) Firmware PCDs
+ #
+ gArmTokenSpaceGuid.PcdFdSize|0|UINT32|0x0000002C
+ gArmTokenSpaceGuid.PcdFvSize|0|UINT32|0x0000002E
+
+[PcdsFixedAtBuild.common, PcdsPatchableInModule.common]
+ gArmTokenSpaceGuid.PcdFdBaseAddress|0|UINT64|0x0000002B
+ gArmTokenSpaceGuid.PcdFvBaseAddress|0|UINT64|0x0000002D
[PcdsFixedAtBuild.ARM]
#
@@ -210,16 +211,18 @@
#
-# These PCDs are also defined as 'PcdsDynamic' to be redefined when using UEFI in a
-# context of virtual machine.
+# These PCDs are also defined as 'PcdsDynamic' or 'PcdsPatchableInModule' to be
+# redefined when using UEFI in a context of virtual machine.
#
-[PcdsFixedAtBuild.common, PcdsDynamic.common]
+[PcdsFixedAtBuild.common, PcdsDynamic.common, PcdsPatchableInModule.common]
+
# System Memory (DRAM): These PCDs define the region of in-built system memory
# Some platforms can get DRAM extensions, these additional regions will be declared
# to UEFI by ArmPlatformLib
gArmTokenSpaceGuid.PcdSystemMemoryBase|0|UINT64|0x00000029
gArmTokenSpaceGuid.PcdSystemMemorySize|0|UINT64|0x0000002A
+[PcdsFixedAtBuild.common, PcdsDynamic.common]
#
# ARM Architectural Timer
#