$(call cc-option,-mno-implicit-fp,-m4-nofpu)
cflags-$(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) := $(call cc-option,-m5-32media-nofpu,)
-cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
-cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
-
-cflags-y += $(call cc-option,-mno-fdpic)
-
+ifeq ($(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
isaflags-$(CONFIG_SH_DSP) := \
$(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
+endif
-cflags-y += $(isaflags-y) -ffreestanding
+cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
+cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
-cflags-$(CONFIG_MORE_COMPILE_OPTIONS) += \
- $(shell echo $(CONFIG_COMPILE_OPTIONS) | sed -e 's/"//g')
+cflags-y += $(call cc-option,-mno-fdpic)
+cflags-y += $(isaflags-y) -ffreestanding
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
-R .stab -R .stabstr -S
# Give the various platforms the opportunity to set default image types
defaultimage-$(CONFIG_SUPERH32) := zImage
defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
+defaultimage-$(CONFIG_SH_RSK) := uImage
+defaultimage-$(CONFIG_SH_URQUELL) := uImage
+defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
+defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
# Set some sensible Kbuild defaults
-KBUILD_DEFCONFIG := shx3_defconfig
KBUILD_IMAGE := $(defaultimage-y)
#
# error messages during linking.
#
ifdef CONFIG_SUPERH32
-UTS_MACHINE := sh
-LDFLAGS_vmlinux += -e _stext
+UTS_MACHINE := sh
+BITS := 32
+LDFLAGS_vmlinux += -e _stext
+KBUILD_DEFCONFIG := shx3_defconfig
else
-UTS_MACHINE := sh64
-LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
- --defsym phys_stext_shmedia=phys_stext+1 \
- -e phys_stext_shmedia
+UTS_MACHINE := sh64
+BITS := 64
+LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
+ --defsym phys_stext_shmedia=phys_stext+1 \
+ -e phys_stext_shmedia
+KBUILD_DEFCONFIG := cayman_defconfig
+endif
+
+ifneq ($(SUBARCH),$(ARCH))
+ ifeq ($(CROSS_COMPILE),)
+ CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux- $(UTS_MACHINE)-linux-gnu- $(UTS_MACHINE)-unknown-linux-gnu-)
+ endif
endif
ifdef CONFIG_CPU_LITTLE_ENDIAN
-LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64'
+ld-bfd := elf32-$(UTS_MACHINE)-linux
+LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64' --oformat $(ld-bfd)
LDFLAGS += -EL
else
-LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4'
+ld-bfd := elf32-$(UTS_MACHINE)big-linux
+LDFLAGS_vmlinux += --defsym 'jiffies=jiffies_64+4' --oformat $(ld-bfd)
LDFLAGS += -EB
endif
-head-y := arch/sh/kernel/init_task.o
-head-$(CONFIG_SUPERH32) += arch/sh/kernel/head_32.o
-head-$(CONFIG_SUPERH64) += arch/sh/kernel/head_64.o
+export ld-bfd BITS
+
+head-y := arch/sh/kernel/init_task.o arch/sh/kernel/head_$(BITS).o
core-y += arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
core-$(CONFIG_SH_FPU_EMU) += arch/sh/math-emu/
machdir-$(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/, \
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
-LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
-libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y) $(LIBGCC)
+libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
PHONY += maketools FORCE
compressed: zImage
-archprepare: maketools arch/sh/lib64/syscalltab.h
+archprepare: maketools
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
+ $(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
define archhelp
@echo '* zImage - Compressed kernel image'
@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
+CLEAN_FILES += include/asm-sh/machtypes.h
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff