diff options
Diffstat (limited to 'toolchain/uClibc/patches-0.9.32/910-thumb_blind_options.patch')
| -rw-r--r-- | toolchain/uClibc/patches-0.9.32/910-thumb_blind_options.patch | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches-0.9.32/910-thumb_blind_options.patch b/toolchain/uClibc/patches-0.9.32/910-thumb_blind_options.patch new file mode 100644 index 0000000000..7585533ff2 --- /dev/null +++ b/toolchain/uClibc/patches-0.9.32/910-thumb_blind_options.patch @@ -0,0 +1,146 @@ +Add three new blind options to set use of Thumb mode: +- COMPILE_IN_THUMB_MODE + - if set, CFLAGS will contain -mthumb + - if unset, the compiler's default is used +- HAS_THUMB + - CPUS with Thumb instruction set can select this + - use of BX depends on this +- FORCE_THUMB + - CPUs that are Thumb-only must select this + - this selects: HAS_THUMB, COMPILE_IN_THUMB_MODE and USE_BX + +Also, remove leading space in Rules.mak. + +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 | 7 ++++--- + extra/Configs/Config.arm | 31 ++++++++++++++++++++++++++++--- + 2 files changed, 32 insertions(+), 6 deletions(-) + +diff --git a/Rules.mak b/Rules.mak +index eecdc64..2a16908 100644 +--- a/Rules.mak ++++ b/Rules.mak +@@ -348,9 +348,10 @@ ifeq ($(TARGET_ARCH),arm) + CPU_CFLAGS-$(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-$(CONFIG_ARM_CORTEX_M3)+=-mcpu=cortex-m3 -mthumb +- CPU_CFLAGS-$(CONFIG_ARM_CORTEX_M1)+=-mcpu=cortex-m1 -mthumb ++ 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 + + ifeq ($(TARGET_ARCH),mips) +diff --git a/extra/Configs/Config.arm b/extra/Configs/Config.arm +index 3b90e67..c9c40d4 100644 +--- a/extra/Configs/Config.arm ++++ b/extra/Configs/Config.arm +@@ -64,70 +64,95 @@ config CONFIG_ARM710 + 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 USE_BX ++ select FORCE_THUMB + + config CONFIG_ARM_CORTEX_M1 + bool "Arm Cortex-M1" + select ARCH_HAS_NO_MMU +- select USE_BX ++ 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 ++ + config USE_BX + bool "Use BX in function return" + default y +- depends on !CONFIG_GENERIC_ARM && !CONFIG_ARM610 && !CONFIG_ARM710 ++ depends on HAS_THUMB + help + Use BX instruction for THUMB aware architectures. +-- +1.7.1 + |