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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2014-10-26 14:16:23 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2014-11-01 18:18:05 +0100 |
| commit | 837cad1e47d2e8a81956140d37ee23f5d3c07de6 (patch) | |
| tree | cfd0d0c41781c381a7a5fb72c88a88c662d2d8de /arch/mips/config.mk | |
| parent | 4207917867d4bf3dc071ca0ed0ddf5955cfcc55d (diff) | |
| download | u-boot-imx-837cad1e47d2e8a81956140d37ee23f5d3c07de6.zip u-boot-imx-837cad1e47d2e8a81956140d37ee23f5d3c07de6.tar.gz u-boot-imx-837cad1e47d2e8a81956140d37ee23f5d3c07de6.tar.bz2 | |
MIPS: refactor setting of compiler options
Refactor and unify all compiler settings in arch/mips/config.mk.
Also add tune flags for each supported CPU type.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Diffstat (limited to 'arch/mips/config.mk')
| -rw-r--r-- | arch/mips/config.mk | 42 |
1 files changed, 29 insertions, 13 deletions
diff --git a/arch/mips/config.mk b/arch/mips/config.mk index a2d07af..b758116 100644 --- a/arch/mips/config.mk +++ b/arch/mips/config.mk @@ -5,25 +5,41 @@ # SPDX-License-Identifier: GPL-2.0+ # -ifeq ($(CROSS_COMPILE),) -CROSS_COMPILE := mips_4KC- +ifdef CONFIG_SYS_BIG_ENDIAN +32bit-emul := elf32btsmip +64bit-emul := elf64btsmip +32bit-bfd := elf32-tradbigmips +64bit-bfd := elf64-tradbigmips +PLATFORM_CPPFLAGS += -EB +PLATFORM_LDFLAGS += -EB endif -# Handle special prefix in ELDK 4.0 toolchain -ifneq (,$(findstring 4KCle,$(CROSS_COMPILE))) -ENDIANNESS := -EL +ifdef CONFIG_SYS_LITTLE_ENDIAN +32bit-emul := elf32ltsmip +64bit-emul := elf64ltsmip +32bit-bfd := elf32-tradlittlemips +64bit-bfd := elf64-tradlittlemips +PLATFORM_CPPFLAGS += -EL +PLATFORM_LDFLAGS += -EL endif -ifdef CONFIG_SYS_LITTLE_ENDIAN -ENDIANNESS := -EL +ifdef CONFIG_32BIT +PLATFORM_CPPFLAGS += -mabi=32 +PLATFORM_LDFLAGS += -m $(32bit-emul) +OBJCOPYFLAGS += -O $(32bit-bfd) endif -ifdef CONFIG_SYS_BIG_ENDIAN -ENDIANNESS := -EB +ifdef CONFIG_64BIT +PLATFORM_CPPFLAGS += -mabi=64 +PLATFORM_LDFLAGS += -m$(64bit-emul) +OBJCOPYFLAGS += -O $(64bit-bfd) endif -# Default to EB if no endianess is configured -ENDIANNESS ?= -EB +cpuflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,-mips32 +cpuflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,-mips32r2 +cpuflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,-mips64 +cpuflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,-mips64r2 +PLATFORM_CPPFLAGS += $(cpuflags-y) PLATFORM_CPPFLAGS += -D__MIPS__ @@ -49,9 +65,9 @@ __HAVE_ARCH_GENERIC_BOARD := y # On the other hand, we want PIC in the U-Boot code to relocate it from ROM # to RAM. $28 is always used as gp. # -PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic $(ENDIANNESS) +PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic PLATFORM_CPPFLAGS += -msoft-float -PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib $(ENDIANNESS) +PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections LDFLAGS_FINAL += --gc-sections -pie OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .got |