[Buildroot] [PATCH 17/21] arch: remove BR2_ARCH_HAS_ATOMICS option
Yann E. MORIN
yann.morin.1998 at free.fr
Tue Jan 26 22:22:26 UTC 2016
Thomas, All,
On 2016-01-25 00:08 +0100, Thomas Petazzoni spake thusly:
> Now that BR2_ARCH_HAS_ATOMICS is no longer used anywhere, we can
> remove it from arch/Config.in*, as well as from the documentation.
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
Regards,
Yann E. MORIN.
> ---
> arch/Config.in | 4 ----
> arch/Config.in.aarch64 | 3 ---
> arch/Config.in.arc | 3 ---
> arch/Config.in.arm | 3 ---
> arch/Config.in.bfin | 3 ---
> arch/Config.in.m68k | 3 ---
> arch/Config.in.microblaze | 3 ---
> arch/Config.in.mips | 3 ---
> arch/Config.in.nios2 | 3 ---
> arch/Config.in.powerpc | 3 ---
> arch/Config.in.sh | 3 ---
> arch/Config.in.x86 | 3 ---
> arch/Config.in.xtensa | 3 ---
> docs/manual/adding-packages-directory.txt | 5 -----
> 14 files changed, 45 deletions(-)
>
> diff --git a/arch/Config.in b/arch/Config.in
> index 4cdd54e..401bd28 100644
> --- a/arch/Config.in
> +++ b/arch/Config.in
> @@ -284,10 +284,6 @@ config BR2_GCC_TARGET_FLOAT_ABI
> config BR2_GCC_TARGET_MODE
> string
>
> -# If the architecture has atomic operations, select this:
> -config BR2_ARCH_HAS_ATOMICS
> - bool
> -
> # Must be selected by binary formats that support shared libraries.
> config BR2_BINFMT_SUPPORTS_SHARED
> bool
> diff --git a/arch/Config.in.aarch64 b/arch/Config.in.aarch64
> index 325bccc..34cd409 100644
> --- a/arch/Config.in.aarch64
> +++ b/arch/Config.in.aarch64
> @@ -5,6 +5,3 @@ config BR2_ARCH
> config BR2_ENDIAN
> default "LITTLE" if BR2_aarch64
> default "BIG" if BR2_aarch64_be
> -
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> diff --git a/arch/Config.in.arc b/arch/Config.in.arc
> index 7e0ad08..7d341f3 100644
> --- a/arch/Config.in.arc
> +++ b/arch/Config.in.arc
> @@ -21,9 +21,6 @@ config BR2_ARC_ATOMIC_EXT
> bool "Atomic extension (LLOCK/SCOND instructions)"
> default y if BR2_arc770d || BR2_archs38
>
> -config BR2_ARCH_HAS_ATOMICS
> - default y if BR2_ARC_ATOMIC_EXT
> -
> config BR2_ARCH
> default "arc" if BR2_arcle
> default "arceb" if BR2_arceb
> diff --git a/arch/Config.in.arm b/arch/Config.in.arm
> index 60cd3a7..2b34f42 100644
> --- a/arch/Config.in.arm
> +++ b/arch/Config.in.arm
> @@ -426,9 +426,6 @@ 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 "arm920t" if BR2_arm920t
> default "arm922t" if BR2_arm922t
> diff --git a/arch/Config.in.bfin b/arch/Config.in.bfin
> index 0783969..415fc89 100644
> --- a/arch/Config.in.bfin
> +++ b/arch/Config.in.bfin
> @@ -68,9 +68,6 @@ config BR2_ARCH
> config BR2_ENDIAN
> default "LITTLE"
>
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> -
> config BR2_GCC_TARGET_CPU
> default bf606 if BR2_bf606
> default bf607 if BR2_bf607
> diff --git a/arch/Config.in.m68k b/arch/Config.in.m68k
> index 6b868a1..f40f97c 100644
> --- a/arch/Config.in.m68k
> +++ b/arch/Config.in.m68k
> @@ -4,9 +4,6 @@ config BR2_ARCH
> config BR2_ENDIAN
> default "BIG"
>
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> -
> config BR2_GCC_TARGET_ARCH
> default "68000" if BR2_m68k_68000
> default "68010" if BR2_m68k_68010
> diff --git a/arch/Config.in.microblaze b/arch/Config.in.microblaze
> index 7c21dfc..2d4c1fe 100644
> --- a/arch/Config.in.microblaze
> +++ b/arch/Config.in.microblaze
> @@ -9,6 +9,3 @@ config BR2_ENDIAN
> config BR2_microblaze
> bool
> default y if BR2_microblazeel || BR2_microblazebe
> -
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> diff --git a/arch/Config.in.mips b/arch/Config.in.mips
> index 1e5d24d..fda1a1d 100644
> --- a/arch/Config.in.mips
> +++ b/arch/Config.in.mips
> @@ -67,9 +67,6 @@ config BR2_ENDIAN
> default "LITTLE" if BR2_mipsel || BR2_mips64el
> default "BIG" if BR2_mips || BR2_mips64
>
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> -
> config BR2_GCC_TARGET_ARCH
> default "mips32" if BR2_mips_32
> default "mips32r2" if BR2_mips_32r2
> diff --git a/arch/Config.in.nios2 b/arch/Config.in.nios2
> index 7807769..ed63898 100644
> --- a/arch/Config.in.nios2
> +++ b/arch/Config.in.nios2
> @@ -3,6 +3,3 @@ config BR2_ARCH
>
> config BR2_ENDIAN
> default "LITTLE"
> -
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> diff --git a/arch/Config.in.powerpc b/arch/Config.in.powerpc
> index 8581a4d..09ac794 100644
> --- a/arch/Config.in.powerpc
> +++ b/arch/Config.in.powerpc
> @@ -164,9 +164,6 @@ config BR2_ENDIAN
> default "BIG" if BR2_powerpc || BR2_powerpc64
> default "LITTLE" if BR2_powerpc64le
>
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> -
> config BR2_GCC_TARGET_CPU
> default "401" if BR2_powerpc_401
> default "403" if BR2_powerpc_403
> diff --git a/arch/Config.in.sh b/arch/Config.in.sh
> index 9f8f79c..1bdea37 100644
> --- a/arch/Config.in.sh
> +++ b/arch/Config.in.sh
> @@ -28,6 +28,3 @@ config BR2_ARCH
> config BR2_ENDIAN
> default "LITTLE" if BR2_sh4 || BR2_sh4a || BR2_sh64
> default "BIG" if BR2_sh2a || BR2_sh4eb || BR2_sh4aeb
> -
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> diff --git a/arch/Config.in.x86 b/arch/Config.in.x86
> index 771c20f..7be814b 100644
> --- a/arch/Config.in.x86
> +++ b/arch/Config.in.x86
> @@ -245,9 +245,6 @@ config BR2_ARCH
> config BR2_ENDIAN
> default "LITTLE"
>
> -config BR2_ARCH_HAS_ATOMICS
> - default y if !BR2_x86_i386
> -
> config BR2_GCC_TARGET_ARCH
> default "i386" if BR2_x86_i386
> default "i486" if BR2_x86_i486
> diff --git a/arch/Config.in.xtensa b/arch/Config.in.xtensa
> index a0e18f1..fcb3dc9 100644
> --- a/arch/Config.in.xtensa
> +++ b/arch/Config.in.xtensa
> @@ -54,6 +54,3 @@ config BR2_ENDIAN
>
> config BR2_ARCH
> default "xtensa" if BR2_xtensa
> -
> -config BR2_ARCH_HAS_ATOMICS
> - default y
> diff --git a/docs/manual/adding-packages-directory.txt b/docs/manual/adding-packages-directory.txt
> index cd78390..dac6275 100644
> --- a/docs/manual/adding-packages-directory.txt
> +++ b/docs/manual/adding-packages-directory.txt
> @@ -274,11 +274,6 @@ use in the comment.
> ** Dependency symbol: +BR2_USE_MMU+
> ** Comment string: no comment to be added
>
> -* Atomic instructions (whereby the architecture has instructions to
> - perform some operations atomically, like LOCKCMPXCHG on x86)
> -** Dependency symbol: +BR2_ARCH_HAS_ATOMICS+
> -** Comment string: no comment to be added
> -
> * Gcc +__sync_*+ built-ins used for atomic operations. They are
> available in variants operating on 1 byte, 2 bytes, 4 bytes and 8
> bytes. Since different architectures support atomic operations on
> --
> 2.6.4
>
> _______________________________________________
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> http://lists.busybox.net/mailman/listinfo/buildroot
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