For chromebooks, we need a new build variant whose target arch is
goldmont, but without SHA and XSAVES support (b/314243939#comment21)
Bug: 314243939
Test: Build an image with TARGET_ARCH_VARIANT:=goldmont-without-sha-xsaves
Change-Id: If73660b515b443d5c138ca367fa3d1c6f18485b5
Its target arch is goldmont, but without xsaves support.
This ensures efficient execution on a broad range of Intel/AMD CPUs used
in Chromebooks, including those lacking xsaves support.
(e.g. Kaby Lake, Gemini Lake, Alder Lake and AMD Zen series)
Bug: 314243939
Test: Build an image with TARGET_ARCH_VARIANT:=goldmont-without-xsaves
Change-Id: I9963cc3356394815f068fc998a9708bdb30c8266
Armv9 with mandatory PAC and BTI extensions.
Stack protector is disabled as it is irrelevant with PAC.
Bug: 263283855
Test: NFC
Change-Id: I2f298f21dade12824597e0a6920772a2bfc63afb
Add definitions for the Cortex-A32 CPU. This is an aarch32 only ARMv8-A
core. See more here https://developer.arm.com/Processors/Cortex-A32 .
Test: added new minidroid target using this CPU variant and built
Change-Id: Id2351a43b9c6cb9785ef469b8c13fadd8b6324b8
Signed-off-by: Mark Slevinsky <markslevinsky@google.com>
Signed-off-by: Jesus Sanchez-Palencia <jesussanp@google.com>
This change adds a new arch named "armv8-a-branchprot". The new target
is no different from the usual "armv8-a" variant except it has the
compiler flag "-mbranch-protection=standard" set.
With this flag compiler emits Armv8.3-A Pointer Authentication and
Armv8.5-A Branch Target Identification instructions. All of these
instructions are in the hint space; therefore devices which do not
support any of these extensions would execute them as NOPs.
In terms of directory structure there is no change in the output of
build/soong/scripts/build-ndk-prebuilts.sh script.
Test: build NDK prebuilts
Change-Id: Ie52ccba5653fbf567f0b7ca312d8a8e71602ad06
Make sure every exported function or type has a godoc comment.
Also makes minor changes like unexporting functions that are not used
outside the package and fixing minor style warnings.
Bug: 173449605
Test: m checkbuild
Change-Id: I533a595d02035aae8b2b603590be639826d2d4c8
