From e95bf452a9e22bd1c9ae23fea041989e0603c39d Mon Sep 17 00:00:00 2001 From: Richard Kuo Date: Mon, 31 Oct 2011 18:55:58 -0500 Subject: Hexagon: Add configuration and makefiles for the Hexagon architecture. Signed-off-by: Linas Vepstas Signed-off-by: Richard Kuo Acked-by: Arnd Bergmann Signed-off-by: Linus Torvalds --- arch/hexagon/Makefile | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 arch/hexagon/Makefile (limited to 'arch/hexagon/Makefile') diff --git a/arch/hexagon/Makefile b/arch/hexagon/Makefile new file mode 100644 index 00000000000..0c4de8790fd --- /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 -- cgit v1.2.3-70-g09d2