# # arch/sh/Makefile # # Copyright (C) 1999 Kaz Kojima # Copyright (C) 2002 - 2008 Paul Mundt # Copyright (C) 2002 M. R. Brown # # This file is subject to the terms and conditions of the GNU General Public # License. See the file "COPYING" in the main directory of this archive # for more details. # isa-y := any isa-$(CONFIG_SH_DSP) := sh isa-$(CONFIG_CPU_SH2) := sh2 isa-$(CONFIG_CPU_SH2A) := sh2a isa-$(CONFIG_CPU_SH3) := sh3 isa-$(CONFIG_CPU_SH4) := sh4 isa-$(CONFIG_CPU_SH4A) := sh4a isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al isa-$(CONFIG_CPU_SH5) := shmedia ifeq ($(CONFIG_SUPERH32),y) isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp isa-y := $(isa-y)-up endif cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,) cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \ $(call cc-option,-m2a-nofpu,) cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,) cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \ $(call cc-option,-mno-implicit-fp,-m4-nofpu) cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \ $(call cc-option,-m4a-nofpu,) cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,) cflags-$(CONFIG_CPU_SH5) := $(call cc-option,-m5-32media-nofpu,) ifeq ($(cflags-y),) # # In the case where we are stuck with a compiler that has been uselessly # restricted to a particular ISA, a favourite default of newer GCCs when # extensive multilib targets are not provided, ensure we get the best fit # regarding FP generation. This is intentionally stupid (albeit many # orders of magnitude less than GCC's default behaviour), as anything # with a large number of multilib targets better have been built # correctly for the target in mind. # cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \ grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//') # At this point, anything goes. isaflags-y := $(call as-option,-Wa$(comma)-isa=any,) else # # -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that # support it, while -Wa,-dsp by itself limits the range of usable opcodes # on certain CPU subtypes. Try the ISA variant first, and if that fails, # fall back on -Wa,-dsp for the old binutils versions. Even without DSP # opcodes, we always want the best ISA tuning the version of binutils # will provide. # isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),) isaflags-$(CONFIG_SH_DSP) := \ $(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp) endif cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml cflags-y += $(call cc-option,-mno-fdpic) cflags-y += $(isaflags-y) -ffreestanding cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \ $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g') OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \ -R .stab -R .stabstr -S # Give the various platforms the opportunity to set default image types defaultimage-$(CONFIG_SUPERH32) := zImage defaultimage-$(CONFIG_SH_SH7785LCR) := uImage defaultimage-$(CONFIG_SH_RSK) := uImage defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux # Set some sensible Kbuild defaults KBUILD_DEFCONFIG := shx3_defconfig KBUILD_IMAGE := $(defaultimage-y) # # Choosing incompatible machines durings configuration will result in # error messages during linking. # ifdef CONFIG_SUPERH32 UTS_MACHINE := sh LDFLAGS_vmlinux += -e _stext else UTS_MACHINE := sh64 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \ --defsym phys_stext_shmedia=phys_stext+1 \ -e phys_stext_shmedia endif ifdef CONFIG_CPU_LITTLE_ENDIAN LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' LDFLAGS += -EL else LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' LDFLAGS += -EB endif head-y := arch/sh/kernel/init_task.o head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/ core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/ # Mach groups machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se machdir-$(CONFIG_SH_HP6XX) += mach-hp6xx machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast machdir-$(CONFIG_SH_SH03) += mach-sh03 machdir-$(CONFIG_SH_SECUREEDGE5410) += mach-snapgear machdir-$(CONFIG_SH_RTS7751R2D) += mach-r2d machdir-$(CONFIG_SH_7751_SYSTEMH) += mach-systemh machdir-$(CONFIG_SH_EDOSK7705) += mach-edosk7705 machdir-$(CONFIG_SH_HIGHLANDER) += mach-highlander machdir-$(CONFIG_SH_MIGOR) += mach-migor machdir-$(CONFIG_SH_SDK7780) += mach-sdk7780 machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto machdir-$(CONFIG_SH_SH7763RDP) += mach-sh7763rdp machdir-$(CONFIG_SH_SH4202_MICRODEV) += mach-microdev machdir-$(CONFIG_SH_LANDISK) += mach-landisk machdir-$(CONFIG_SH_TITAN) += mach-titan machdir-$(CONFIG_SH_LBOX_RE2) += mach-lboxre2 machdir-$(CONFIG_SH_CAYMAN) += mach-cayman machdir-$(CONFIG_SH_RSK) += mach-rsk ifneq ($(machdir-y),) core-y += $(addprefix arch/sh/boards/, \ $(filter-out ., $(patsubst %,%/,$(machdir-y)))) endif # Common machine type headers. Not part of the arch/sh/boards/ hierarchy. machdir-y += mach-common # Companion chips core-$(CONFIG_HD6446X_SERIES) += arch/sh/cchips/hd6446x/ # # CPU header paths # # These are ordered by optimization level. A CPU family that is a subset # of another (ie, SH-2A / SH-2), is picked up first, with increasing # levels of genericness if nothing more suitable is situated in the # hierarchy. # # As an example, in order of preference, SH-2A > SH-2 > common definitions. # cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2 cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3 cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4 cpuincdir-$(CONFIG_CPU_SH5) += cpu-sh5 cpuincdir-y += cpu-common # Must be last drivers-y += arch/sh/drivers/ drivers-$(CONFIG_OPROFILE) += arch/sh/oprofile/ boot := arch/sh/boot cflags-y += $(foreach d, $(cpuincdir-y), -Iarch/sh/include/$(d)) \ $(foreach d, $(machdir-y), -Iarch/sh/include/$(d)) KBUILD_CFLAGS += -pipe $(cflags-y) KBUILD_CPPFLAGS += $(cflags-y) KBUILD_AFLAGS += $(cflags-y) libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y) libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) PHONY += maketools FORCE maketools: include/linux/version.h FORCE $(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h all: $(KBUILD_IMAGE) zImage uImage uImage.srec vmlinux.srec: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ compressed: zImage archprepare: maketools arch/sh/lib64/syscalltab.h archclean: $(Q)$(MAKE) $(clean)=$(boot) define archhelp @echo '* zImage - Compressed kernel image' @echo ' vmlinux.srec - Create an ELF S-record' @echo ' uImage - Create a bootable image for U-Boot' @echo ' uImage.srec - Create an S-record for U-Boot' endef define filechk_gen-syscalltab (set -e; \ echo "/*"; \ echo " * DO NOT MODIFY."; \ echo " *"; \ echo " * This file was generated by arch/sh/Makefile"; \ echo " * Any changes will be reverted at build time."; \ echo " */"; \ echo ""; \ echo "#ifndef __SYSCALLTAB_H"; \ echo "#define __SYSCALLTAB_H"; \ echo ""; \ echo "#include <linux/kernel.h>"; \ echo ""; \ echo "struct syscall_info {"; \ echo " const char *name;"; \ echo "} syscall_info_table[] = {"; \ sed -e '/^.*\.long /!d;s// { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \ s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \ echo "};"; \ echo ""; \ echo "#define NUM_SYSCALL_INFO_ENTRIES ARRAY_SIZE(syscall_info_table)";\ echo ""; \ echo "#endif /* __SYSCALLTAB_H */" ) endef arch/sh/lib64/syscalltab.h: arch/sh/kernel/syscalls_64.S $(call filechk,gen-syscalltab) CLEAN_FILES += arch/sh/lib64/syscalltab.h \ include/asm-sh/machtypes.h