sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ArmPkg/UncachedMemoryAllocationLib: Track uncached memory allocations

Browse Source 
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
This commit is contained in:
Olivier Martin
2014-10-10 11:24:11 +00:00
committed by oliviermartin
parent 9180ab73e6
commit 1a70a690ea
3 changed files with 217 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
ArmPkg/ArmPkg.dec
View File

@@ -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