Commit b8a82638 authored Aug 17, 2014 by Yann E. MORIN Committed by Peter Korsgaard Aug 18, 2014

arch/arm: always has atomic ops



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>

parent b63ede67

arch/Config.in.aarch64

+3 −0

Original line number	Diff line number	Diff line
		@@ -3,3 +3,6 @@ config BR2_ARCH

		config BR2_ENDIAN
		default "LITTLE"

		config BR2_ARCH_HAS_ATOMICS
		default y

arch/Config.in.arm

+3 −0

Original line number	Diff line number	Diff line
		@@ -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