diff options
Diffstat (limited to 'toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch')
| -rw-r--r-- | toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch b/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch new file mode 100644 index 0000000000..4051ef39fc --- /dev/null +++ b/toolchain/uClibc/patches-0.9.32/920-remove_sub-arch_variants.patch @@ -0,0 +1,189 @@ +Rely on the compiler to be correctly set up to generate +appropriate code for the target variant. + +This exposes the Thumb option, as it is no longer auto-selected. +The "Use BX" no longer depends on supported CPU to be selected, +so it now defaults to 'n' as it shall work by default on CPUs +that do not have BX. + +Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> +Cc: Khem Raj <raj.khem@gmail.com> +Cc: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> +Cc: Carmelo AMOROSO <carmelo.amoroso@st.com> +--- + Rules.mak | 19 ------- + extra/Configs/Config.arm | 125 ++-------------------------------------------- + 2 files changed, 5 insertions(+), 139 deletions(-) + +diff --git a/Rules.mak b/Rules.mak +index 2a16908..09741a6 100644 +--- a/Rules.mak ++++ b/Rules.mak +@@ -332,25 +332,6 @@ ifeq ($(TARGET_ARCH),arm) + OPTIMIZATION+=-fstrict-aliasing + CPU_CFLAGS-$(ARCH_LITTLE_ENDIAN)+=-mlittle-endian + CPU_CFLAGS-$(ARCH_BIG_ENDIAN)+=-mbig-endian +- CPU_CFLAGS-$(CONFIG_GENERIC_ARM)+= +- CPU_CFLAGS-$(CONFIG_ARM610)+=-mtune=arm610 -march=armv3 +- CPU_CFLAGS-$(CONFIG_ARM710)+=-mtune=arm710 -march=armv3 +- CPU_CFLAGS-$(CONFIG_ARM7TDMI)+=-mtune=arm7tdmi -march=armv4t +- CPU_CFLAGS-$(CONFIG_ARM720T)+=-mtune=arm7tdmi -march=armv4t +- CPU_CFLAGS-$(CONFIG_ARM920T)+=-mtune=arm9tdmi -march=armv4t +- CPU_CFLAGS-$(CONFIG_ARM922T)+=-mtune=arm9tdmi -march=armv4t +- CPU_CFLAGS-$(CONFIG_ARM926T)+=-mtune=arm9e -march=armv5te +- CPU_CFLAGS-$(CONFIG_ARM10T)+=-mtune=arm10tdmi -march=armv5t +- CPU_CFLAGS-$(CONFIG_ARM1136JF_S)+=-mtune=arm1136jf-s -march=armv6 +- CPU_CFLAGS-$(CONFIG_ARM1176JZ_S)+=-mtune=arm1176jz-s -march=armv6 +- CPU_CFLAGS-$(CONFIG_ARM1176JZF_S)+=-mtune=arm1176jzf-s -march=armv6 +- CPU_CFLAGS-$(CONFIG_ARM_SA110)+=-mtune=strongarm110 -march=armv4 +- CPU_CFLAGS-$(CONFIG_ARM_SA1100)+=-mtune=strongarm1100 -march=armv4 +- CPU_CFLAGS-$(CONFIG_ARM_XSCALE)+=$(call check_gcc,-mtune=xscale,-mtune=strongarm110) +- CPU_CFLAGS-$(CONFIG_ARM_XSCALE)+=-march=armv5te -Wa,-mcpu=xscale +- CPU_CFLAGS-$(CONFIG_ARM_IWMMXT)+=-march=iwmmxt -Wa,-mcpu=iwmmxt -mabi=iwmmxt +- CPU_CFLAGS-$(CONFIG_ARM_CORTEX_M3)+=-mcpu=cortex-m3 +- CPU_CFLAGS-$(CONFIG_ARM_CORTEX_M1)+=-mcpu=cortex-m1 + CPU_CFLAGS-$(COMPILE_IN_THUMB_MODE)+=-mthumb + endif + +diff --git a/extra/Configs/Config.arm b/extra/Configs/Config.arm +index c9c40d4..6c75a00 100644 +--- a/extra/Configs/Config.arm ++++ b/extra/Configs/Config.arm +@@ -30,129 +30,14 @@ config CONFIG_ARM_EABI + + endchoice + +-choice +- prompt "Target Processor Type" +- default CONFIG_GENERIC_ARM +- help +- This is the processor type of your CPU. This information is used for +- optimizing purposes. To build a library that will run on all ARMCPU +- types (albeit not optimally fast), you can specify "Generic Arm" here. +- If you pick anything other than "Generic Arm", there is no guarantee +- that uClibc will even run on anything other than the selected +- processor type. +- +- Here are the settings recommended for greatest speed: +- - "Generic Arm" select this if your compiler is already setup to +- optimize things properly, or if you want to run on pretty much +- everything, or you just don't much care. +- - For anything else, pick the ARM core type that best matches the +- cpu you will be using on your device. +- +- If you don't know what to do, choose "Generic Arm". +- +-config CONFIG_GENERIC_ARM +- bool "Generic Arm" +- +-config CONFIG_ARM610 +- bool "Arm 610" +- select ARCH_HAS_MMU +- +-config CONFIG_ARM710 +- bool "Arm 710" +- select ARCH_HAS_MMU +- +-config CONFIG_ARM7TDMI +- bool "Arm 7TDMI" +- select ARCH_HAS_NO_MMU +- select HAS_THUMB +- +-config CONFIG_ARM720T +- bool "Arm 720T" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM920T +- bool "Arm 920T" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM922T +- bool "Arm 922T" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM926T +- bool "Arm 926T" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM10T +- bool "Arm 10T" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM1136JF_S +- bool "Arm 1136JF-S" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM1176JZ_S +- bool "Arm 1176JZ-S" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM1176JZF_S +- bool "Arm 1176JZF-S" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM_CORTEX_M3 +- bool "Arm Cortex-M3" +- select ARCH_HAS_NO_MMU +- select FORCE_THUMB +- +-config CONFIG_ARM_CORTEX_M1 +- bool "Arm Cortex-M1" +- select ARCH_HAS_NO_MMU +- select FORCE_THUMB +- +-config CONFIG_ARM_SA110 +- bool "Intel StrongArm SA-110" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM_SA1100 +- bool "Intel StrongArm SA-1100" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM_XSCALE +- bool "Intel Xscale" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-config CONFIG_ARM_IWMMXT +- bool "Intel Xscale With WMMX PXA27x" +- select ARCH_HAS_MMU +- select HAS_THUMB +- +-endchoice +- +-config HAS_THUMB +- bool +- +-config FORCE_THUMB +- bool +- select HAS_THUMB +- select COMPILE_IN_THUMB_MODE +- select USE_BX +- + config COMPILE_IN_THUMB_MODE +- bool ++ bool "Build using Thumb mode" ++ select USE_BX ++ help ++ Say 'y' here to force building uClibc in thumb mode. ++ Say 'n' to use your compiler's default mode. + + config USE_BX + bool "Use BX in function return" +- default y +- depends on HAS_THUMB + help + Use BX instruction for THUMB aware architectures. +-- +1.7.1 + |