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| author | Olivier Martin <olivier.martin@arm.com> | 2014-10-10 11:24:11 +0000 |
|---|---|---|
| committer | oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-10-10 11:24:11 +0000 |
| commit | 1a70a690ea534c77639b92c811f6a6378b2bbea0 (patch) | |
| tree | d8ccc28cbdc7b34ed66d298a740b27c5d87f7f0a /ArmPkg/ArmPkg.dec | |
| parent | 9180ab73e6d4a72c420292c1454f94d391737fa1 (diff) | |
| download | edk2-1a70a690ea534c77639b92c811f6a6378b2bbea0.tar.gz edk2-1a70a690ea534c77639b92c811f6a6378b2bbea0.tar.bz2 edk2-1a70a690ea534c77639b92c811f6a6378b2bbea0.zip | |
ArmPkg/UncachedMemoryAllocationLib: Track uncached memory allocations
Keeping track of uncached memory allocations prevents doing expensive
cache operations (eg: clean & invalidate) on newly allocated regions
by reusing regions where possible
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16205 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/ArmPkg.dec')
| -rw-r--r-- | ArmPkg/ArmPkg.dec | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ArmPkg/ArmPkg.dec b/ArmPkg/ArmPkg.dec index 05bc1dcd6d..2a1947b9ca 100644 --- a/ArmPkg/ArmPkg.dec +++ b/ArmPkg/ArmPkg.dec @@ -77,6 +77,9 @@ gArmTokenSpaceGuid.PcdVFPEnabled|0|UINT32|0x00000024
gArmTokenSpaceGuid.PcdArmUncachedMemoryMask|0x0000000080000000|UINT64|0x00000002
+ # This PCD will free the unallocated buffers if their size reach this threshold.
+ # We set the default value to 512MB.
+ gArmTokenSpaceGuid.PcdArmFreeUncachedMemorySizeThreshold|0x20000000|UINT64|0x00000043
gArmTokenSpaceGuid.PcdArmCacheOperationThreshold|1024|UINT32|0x00000003
gArmTokenSpaceGuid.PcdCpuVectorBaseAddress|0xffff0000|UINT32|0x00000004
gArmTokenSpaceGuid.PcdCpuResetAddress|0x00000000|UINT32|0x00000005
|