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   1 #
   2 # This file is subject to the terms and conditions of the GNU General Public
   3 # License.  See the file "COPYING" in the main directory of this archive
   4 # for more details.
   5 #
   6 # Copyright (C) 2000, 2001  Paolo Alberelli
   7 # Copyright (C) 2003, 2004  Paul Mundt
   8 #
   9 # This file is included by the global makefile so that you can add your own
  10 # architecture-specific flags and dependencies. Remember to do have actions
  11 # for "archclean" and "archdep" for cleaning up and making dependencies for
  12 # this architecture
  13 #
  14
  15 cpu-y                           := -mb
  16 cpu-$(CONFIG_LITTLE_ENDIAN)     := -ml
  17
  18 cpu-$(CONFIG_CPU_SH5)           += -m5-32media-nofpu
  19
  20 ifdef CONFIG_LITTLE_ENDIAN
  21 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64'
  22 LDFLAGS                 += -EL  -mshlelf32_linux
  23 else
  24 LDFLAGS_vmlinux         += --defsym 'jiffies=jiffies_64+4'
  25 LDFLAGS                 += -EB  -mshelf32_linux
  26 endif
  27
  28 # No requirements for endianess support from AFLAGS, 'as' always run through gcc
  29 AFLAGS          += -m5 -isa=sh64 -traditional
  30 CFLAGS          += $(cpu-y)
  31
  32 LDFLAGS_vmlinux += --defsym phys_stext=_stext-$(CONFIG_CACHED_MEMORY_OFFSET) \
  33                   --defsym phys_stext_shmedia=phys_stext+1 \
  34                   -e phys_stext_shmedia
  35
  36 OBJCOPYFLAGS    := -O binary -R .note -R .comment -R .stab -R .stabstr -S
  37
  38 #
  39 # arch/sh64/defconfig never had any hope of being
  40 # frequently updated, so use one that does
  41 #
  42 KBUILD_DEFCONFIG        := cayman_defconfig
  43
  44 ifdef LOADADDR
  45 LINKFLAGS     += -Ttext $(word 1,$(LOADADDR))
  46 endif
  47
  48 machine-$(CONFIG_SH_CAYMAN)     := cayman
  49 machine-$(CONFIG_SH_SIMULATOR)  := sim
  50 machine-$(CONFIG_SH_HARP)       := harp
  51 machine-$(CONFIG_SH_ROMRAM)     := romram
  52
  53 head-y := arch/$(ARCH)/kernel/head.o arch/$(ARCH)/kernel/init_task.o
  54
  55 core-y  += arch/sh64/kernel/ arch/sh64/mm/
  56
  57 ifneq ($(machine-y),)
  58 core-y  += arch/sh64/mach-$(machine-y)/
  59 endif
  60
  61 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
  62 libs-y  += arch/$(ARCH)/lib/ $(LIBGCC)
  63
  64 drivers-$(CONFIG_OPROFILE)      += arch/sh64/oprofile/
  65
  66 boot := arch/$(ARCH)/boot
  67
  68 zImage: vmlinux
  69         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  70
  71 compressed: zImage
  72
  73 archclean:
  74         $(Q)$(MAKE) $(clean)=$(boot)
  75
  76 prepare: include/asm-$(ARCH)/asm-offsets.h arch/$(ARCH)/lib/syscalltab.h
  77
  78 include/asm-$(ARCH)/asm-offsets.h: arch/$(ARCH)/kernel/asm-offsets.s \
  79                                    include/asm include/linux/version.h
  80         $(call filechk,gen-asm-offsets)
  81
  82 define filechk_gen-syscalltab
  83        (set -e; \
  84         echo "/*"; \
  85         echo " * DO NOT MODIFY."; \
  86         echo " *"; \
  87         echo " * This file was generated by arch/$(ARCH)/Makefile"; \
  88         echo " * Any changes will be reverted at build time."; \
  89         echo " */"; \
  90         echo ""; \
  91         echo "#ifndef __SYSCALLTAB_H"; \
  92         echo "#define __SYSCALLTAB_H"; \
  93         echo ""; \
  94         echo "#include <linux/kernel.h>"; \
  95         echo ""; \
  96         echo "struct syscall_info {"; \
  97         echo "  const char *name;"; \
  98         echo "} syscall_info_table[] = {"; \
  99         sed -e '/^.*\.long /!d;s//    { "/;s/\(\([^/]*\)\/\)\{1\}.*/\2/; \
 100                 s/[ \t]*$$//g;s/$$/" },/;s/\("\)sys_/\1/g'; \
 101         echo "};"; \
 102         echo ""; \
 103         echo "#define NUM_SYSCALL_INFO_ENTRIES  ARRAY_SIZE(syscall_info_table)"; \
 104         echo ""; \
 105         echo "#endif /* __SYSCALLTAB_H */" )
 106 endef
 107
 108 arch/$(ARCH)/lib/syscalltab.h: arch/sh64/kernel/syscalls.S
 109         $(call filechk,gen-syscalltab)
 110
 111 CLEAN_FILES += include/asm-$(ARCH)/asm-offsets.h arch/$(ARCH)/lib/syscalltab.h
 112
 113 define archhelp
 114         @echo '  zImage                    - Compressed kernel image (arch/sh64/boot/zImage)'
 115 endef
 116