Some pending fixes for BaseMemoryLib* and BaseMemoryLibOptDxe, now resent as a single series.
Patch #1 fixes an arithmetic bug in BaseMemoryLibOptDxe for ARM, which renders it unusable at the moment. Patch #2 adds some asserts that are mentioned in the respective comment blocks but are missing from the code. Patch #3 fixes a performance regressions observed by moving from the (soon to be deprecated) BaseMemoryLibStm in ArmPkg to BaseMemoryLibOptDxe. The culprit has been identified to be CompareGuid(), which needlessly uses unaligned accessors (since this library can only be used in a context where unaligned accesses are allowed) Ard Biesheuvel (3): MdePkg/BaseMemoryLibOptDxe ARM: fix arithmetic bugs in CompareMem() MdePkg/BaseMemoryLib*: add missing ASSERT()s MdePkg/BaseMemoryLibOptDxe ARM|AARCH64: implement accelerated GUID functions MdePkg/Library/BaseMemoryLib/MemLibGuid.c | 8 ++ MdePkg/Library/BaseMemoryLibMmx/MemLibGuid.c | 8 ++ MdePkg/Library/BaseMemoryLibOptDxe/AArch64/CompareGuid.S | 40 ++++++ MdePkg/Library/BaseMemoryLibOptDxe/Arm/CompareGuid.S | 66 +++++++++ MdePkg/Library/BaseMemoryLibOptDxe/Arm/CompareGuid.asm | 69 +++++++++ MdePkg/Library/BaseMemoryLibOptDxe/Arm/CompareMem.S | 4 +- MdePkg/Library/BaseMemoryLibOptDxe/Arm/MemLibGuid.c | 152 ++++++++++++++++++++ MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf | 7 +- MdePkg/Library/BaseMemoryLibOptDxe/MemLibGuid.c | 8 ++ MdePkg/Library/BaseMemoryLibOptPei/MemLibGuid.c | 8 ++ MdePkg/Library/BaseMemoryLibRepStr/MemLibGuid.c | 8 ++ MdePkg/Library/BaseMemoryLibSse2/MemLibGuid.c | 8 ++ MdePkg/Library/PeiMemoryLib/MemLibGuid.c | 8 ++ MdePkg/Library/UefiMemoryLib/MemLibGuid.c | 8 ++ 14 files changed, 399 insertions(+), 3 deletions(-) create mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/AArch64/CompareGuid.S create mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Arm/CompareGuid.S create mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Arm/CompareGuid.asm create mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Arm/MemLibGuid.c -- 2.7.4 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel