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4 Commits

Author SHA1 Message Date
Ard Biesheuvel 0ee255f50a MdePkg/BaseMemoryLibOptDxe AARCH64: Make asm files BTI compatible 
Add the BTI instructions and the associated note to make the AArch64 asm
objects compatible with BTI enforcement.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
 2023-03-30 11:05:22 +00:00
Michael D Kinney aa1b377e71 MdePkg/BaseMemoryLibOptDxe: Apply BSD-2-Clause-Patent 
Change license to BSD-2-Clause-Patent using an
SPDX-License-Identifier statement.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Ard Biesheuvel <ard.biesheuvel@arm.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
 2020-08-06 20:20:40 +00:00
Ard Biesheuvel 8b4ca351dd MdePkg/BaseMemoryLibOptDxe ARM AARCH64: fix thinko in SetMem## 
The new InternalMemSetMem##() implementations for ARM and AARCH64 in
BaseMemoryLibOptDxe fail to take into account that the 'length' argument
is not in bytes, but in number of items to be copied. So multiply by the
item size before proceeding.

Reported-by: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
 2016-09-23 11:50:51 +01:00
Ard Biesheuvel c86cd1e175 MdePkg/BaseMemoryLibOptDxe: add accelerated AARCH64 routines 
This adds AARCH64 support to BaseMemoryLibOptDxe, based on the cortex-strings
library. All string routines are accelerated except ScanMem16, ScanMem32,
ScanMem64 and IsZeroBuffer, which can wait for another day. (Very few
occurrences exist in the codebase)

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
 2016-09-13 16:28:15 +01:00