arch/ppc/boot/Makefile

   1 #
   2 # arch/ppc/boot/Makefile
   3 #
   4 # This file is subject to the terms and conditions of the GNU General Public
   5 # License.  See the file "COPYING" in the main directory of this archive
   6 # for more details.
   7 #
   8 # Copyright (C) 1994 by Linus Torvalds
   9 # Adapted for PowerPC by Gary Thomas
  10 # modified by Cort (cort@cs.nmt.edu)
  11 #
  12 .c.s:
  13         $(CC) $(CFLAGS) -S -o $*.s $<
  14 .s.o:
  15         $(AS) -o $*.o $<
  16 .c.o:
  17         $(CC) $(CFLAGS)  -DINITRD_OFFSET=$(IOFF) -DINITRD_SIZE=$(ISZ) -DZIMAGE_OFFSET=$(ZOFF) -DZIMAGE_SIZE=$(ZSZ) -D__BOOTER__ -c -o $*.o $<
  18 .S.s:
  19         $(CPP) $(AFLAGS) -traditional -o $*.o $<
  20 .S.o:
  21         $(CC) $(AFLAGS) -traditional -c -o $*.o $<
  22
  23 ZOFF = 0
  24 ZSZ = 0
  25 IOFF = 0
  26 ISZ = 0
  27
  28 ifeq ($(CONFIG_ALL_PPC),y)
  29 CONFIG_PREP=y
  30 endif
  31
  32 ifeq ($(CONFIG_SMP),y)
  33 TFTPIMAGE=/tftpboot/zImage.prep.smp$(MSIZE)
  34 else
  35 TFTPIMAGE=/tftpboot/zImage.prep$(MSIZE)
  36 endif
  37
  38 ifeq ($(CONFIG_SMP),y)
  39 TFTPSIMAGE=/tftpboot/sImage.smp
  40 else
  41 TFTPSIMAGE=/tftpboot/sImage
  42 endif
  43
  44 ifeq ($(CONFIG_PPC64BRIDGE),y)
  45 MSIZE=.64
  46 else
  47 MSIZE=
  48 endif
  49
  50 ZLINKFLAGS = -T ../vmlinux.lds -Ttext 0x00800000
  51
  52 GZIP_FLAGS = -v9f
  53
  54 OBJECTS := head.o misc.o ../coffboot/zlib.o
  55 CFLAGS = $(CPPFLAGS) -O2 -DSTDC_HEADERS -fno-builtin
  56 OBJCOPY_ARGS = -O elf32-powerpc
  57
  58 OBJECTS += vreset.o kbd.o of1275.o
  59 ifeq ($(CONFIG_SERIAL_CONSOLE),y)
  60 OBJECTS += ns16550.o
  61 endif
  62
  63 all:    zImage
  64
  65 zvmlinux.initrd: zvmlinux
  66         $(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
  67         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
  68                 --add-section=initrd=ramdisk.image.gz \
  69                 --add-section=image=../coffboot/vmlinux.gz \
  70                 zvmlinux.initrd.tmp zvmlinux.initrd
  71         $(CC) $(CFLAGS) -DINITRD_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd initrd` \
  72                 -DINITRD_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd initrd` \
  73                 -DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd image` \
  74                 -DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd image` \
  75                 -D__BOOTER__ \
  76                 -c -o misc.o misc.c
  77         $(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
  78         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
  79                 --add-section=initrd=ramdisk.image.gz \
  80                 --add-section=image=../coffboot/vmlinux.gz \
  81                 zvmlinux.initrd.tmp $@
  82         rm zvmlinux.initrd.tmp
  83
  84 zImage: zvmlinux mkprep sImage
  85 ifdef CONFIG_PREP
  86         ./mkprep -pbp zvmlinux zImage
  87 endif
  88 ifdef CONFIG_APUS
  89         $(STRIP) ../../../vmlinux -o vmapus
  90         gzip $(GZIP_FLAGS) vmapus
  91 endif
  92
  93 sImage: ../../../vmlinux
  94 ifdef CONFIG_GEMINI
  95         $(OBJCOPY) -I elf32-powerpc -O binary ../../../vmlinux sImage
  96 endif
  97
  98 zImage.initrd: zvmlinux.initrd mkprep
  99 ifdef CONFIG_PREP
 100         ./mkprep -pbp zvmlinux.initrd zImage.initrd
 101 endif
 102
 103 zvmlinux: $(OBJECTS) ../coffboot/vmlinux.gz
 104 #
 105 # build the boot loader image and then compute the offset into it
 106 # for the kernel image
 107 #
 108         $(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
 109         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
 110                 zvmlinux.tmp $@
 111 #
 112 # then with the offset rebuild the bootloader so we know where the kernel is
 113 #
 114         $(CC) $(CFLAGS) -DINITRD_OFFSET=0 -DINITRD_SIZE=0 \
 115                 -DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux image` \
 116                 -DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux image` \
 117                 -D__BOOTER__ \
 118                 -c -o misc.o misc.c
 119         $(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
 120         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
 121                 zvmlinux.tmp $@
 122         rm zvmlinux.tmp
 123
 124 floppy: $(TOPDIR)/vmlinux zImage
 125         dd if=zImage of=/dev/fd0H1440 bs=64b
 126
 127 mkprep : mkprep.c
 128         $(HOSTCC) -o mkprep mkprep.c
 129
 130 znetboot : zImage
 131 ifdef CONFIG_PREP
 132         cp zImage $(TFTPIMAGE)
 133 endif
 134 ifdef CONFIG_GEMINI
 135         cp sImage $(TFTPSIMAGE)
 136 endif
 137
 138 znetboot.initrd : zImage.initrd
 139         cp zImage.initrd $(TFTPIMAGE)
 140
 141 clean:
 142         rm -f vmlinux* zvmlinux* mkprep zImage* sImage*
 143
 144 fastdep:
 145         $(TOPDIR)/scripts/mkdep *.[Sch] > .depend
 146
 147 dep:
 148         $(CPP) $(CPPFLAGS) -M *.S *.c > .depend
 149
 150 # just here to match coffboot/Makefile
 151 vmlinux.coff:
 152
 153 vmlinux.coff.initrd: