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arch/arm: always has atomic ops

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armv6 and above all have one sort of atomic ops or another. For armv5
and below, they are emulated, either as a kernel trap, a kernel VDSO,
or compiler intrinsics.

Aarch64 is just armv8, so make it a single commit. ;-)

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Anton Kolesov <Anton.Kolesov@synopsys.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Yann E. MORIN 2014-08-17 21:29:51 +02:00 committed by Peter Korsgaard
parent b63ede67ea
commit b8a8263858
2 changed files with 6 additions and 0 deletions
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3
arch/Config.in.aarch64
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@ -3,3 +3,6 @@ config BR2_ARCH
config BR2_ENDIAN
default "LITTLE"
config BR2_ARCH_HAS_ATOMICS
default y

3
arch/Config.in.arm
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@ -340,6 +340,9 @@ config BR2_ENDIAN
default "LITTLE" if BR2_arm
default "BIG" if BR2_armeb
config BR2_ARCH_HAS_ATOMICS
default y
config BR2_GCC_TARGET_CPU
default "arm920" if BR2_arm920
default "arm920t" if BR2_arm920t