From: Thomas Petazzoni Date: Tue, 2 Feb 2016 15:31:32 +0000 (+0100) Subject: arch: remove BR2_ARCH_HAS_ATOMICS option X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4a3f597a0ea3392bbd1063c40291743955309472;p=buildroot.git arch: remove BR2_ARCH_HAS_ATOMICS option 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 Acked-by: "Yann E. MORIN" --- diff --git a/arch/Config.in b/arch/Config.in index 4cdd54e251..401bd28e86 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 325bcccda2..34cd409a59 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 7e0ad08425..7d341f3136 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 60cd3a7f87..2b34f42850 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 0783969261..415fc890d8 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 6b868a1676..f40f97c43e 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 7c21dfca8c..2d4c1fec43 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 1e5d24de6e..fda1a1d7e7 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 7807769cfa..ed638981aa 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 8581a4d10d..09ac794d61 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 9f8f79c6ad..1bdea37cbc 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 771c20f475..7be814b8fa 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 a0e18f1e66..fcb3dc926f 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 aa9f4e81f4..5537032dcd 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