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| author | Richard Kuo <rkuo@codeaurora.org> | 2011-11-01 00:55:58 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-01 15:34:21 +0100 |
| commit | e95bf452a9e22bd1c9ae23fea041989e0603c39d (patch) | |
| tree | fd18331fe343605c4d751237d191bdd258cd721c /arch/hexagon/Makefile | |
| parent | Hexagon: Comet platform support (diff) | |
| download | linux-e95bf452a9e22bd1c9ae23fea041989e0603c39d.tar.xz linux-e95bf452a9e22bd1c9ae23fea041989e0603c39d.zip | |
Hexagon: Add configuration and makefiles for the Hexagon architecture.
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/hexagon/Makefile')
| -rw-r--r-- | arch/hexagon/Makefile | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile new file mode 100644 index 000000000000..0c4de8790fd5 --- /dev/null +++ b/arch/hexagon/Makefile @@ -0,0 +1,58 @@ +# Makefile for the Hexagon arch + +KBUILD_DEFCONFIG = comet_defconfig + +# Do not use GP-relative jumps +KBUILD_CFLAGS += -G0 +LDFLAGS_vmlinux += -G0 + +# Do not use single-byte enums; these will overflow. +KBUILD_CFLAGS += -fno-short-enums + +# Modules must use either long-calls, or use pic/plt. +# Use long-calls for now, it's easier. And faster. +# CFLAGS_MODULE += -fPIC +# LDFLAGS_MODULE += -shared +CFLAGS_MODULE += -mlong-calls + +cflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1) +cflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2) +cflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3) +cflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4) + +aflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1) +aflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2) +aflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3) +aflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4) + +ldflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1) +ldflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2) +ldflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3) +ldflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4) + +KBUILD_CFLAGS += $(cflags-y) +KBUILD_AFLAGS += $(aflags-y) + +# no KBUILD_LDFLAGS? +LDFLAGS += $(ldflags-y) + +# Thread-info register will be r19. This value is not configureable; +# it is hard-coded in several files. +TIR_NAME := r19 +KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__ +KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME) + +LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) +libs-y += $(LIBGCC) + +head-y := arch/hexagon/kernel/head.o \ + arch/hexagon/kernel/init_task.o + +core-y += arch/hexagon/kernel/ \ + arch/hexagon/mm/ \ + arch/hexagon/lib/ + +# arch/hexagon/platform/common/ +# +#core-$(CONFIG_HEXAGON_COMET) += arch/hexagon/platform/comet/ +#machine-$(CONFIG_HEXAGON_COMET) := comet |