i386/linux/linux-2.3.21/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) -c -o $*.o $<
  18 .S.s:
  19         $(CC) -D__ASSEMBLY__ -traditional -E -o $*.o $<
  20 .S.o:
  21         $(CC) -D__ASSEMBLY__ -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_PPC64),y)
  39 MSIZE=.64
  40 else
  41 MSIZE=
  42 endif
  43
  44 ZLINKFLAGS = -T ../vmlinux.lds -Ttext 0x00800000
  45
  46 GZIP_FLAGS = -v9
  47
  48 OBJECTS := head.o misc.o ../coffboot/zlib.o
  49 CFLAGS = -O2 -DSTDC_HEADERS -fno-builtin -I$(TOPDIR)/include
  50 OBJCOPY = $(CROSS_COMPILE)objcopy
  51 OBJCOPY_ARGS = -O elf32-powerpc
  52
  53 OBJECTS += vreset.o kbd.o of1275.o
  54 ifeq ($(CONFIG_SERIAL_CONSOLE),y)
  55 OBJECTS += ns16550.o
  56 endif
  57
  58 all:    zImage
  59
  60 zvmlinux.initrd: zvmlinux
  61         $(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
  62         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
  63                 --add-section=initrd=ramdisk.image.gz \
  64                 --add-section=image=../coffboot/vmlinux.gz \
  65                 zvmlinux.initrd.tmp zvmlinux.initrd
  66         $(CC) $(CFLAGS) -DINITRD_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd initrd` \
  67                 -DINITRD_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd initrd` \
  68                 -DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd image` \
  69                 -DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd image` \
  70                 -c -o misc.o misc.c
  71         $(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
  72         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
  73                 --add-section=initrd=ramdisk.image.gz \
  74                 --add-section=image=../coffboot/vmlinux.gz \
  75                 zvmlinux.initrd.tmp $@
  76         rm zvmlinux.initrd.tmp
  77
  78 zImage: zvmlinux mkprep sImage
  79 ifdef CONFIG_PREP
  80         ./mkprep -pbp zvmlinux zImage
  81 endif
  82
  83 sImage: ../../../vmlinux
  84 ifdef CONFIG_GEMINI
  85         $(OBJCOPY) -I elf32-powerpc -O binary ../../../vmlinux sImage
  86 endif
  87
  88 zImage.initrd: zvmlinux.initrd mkprep
  89 ifdef CONFIG_PREP
  90         ./mkprep -pbp zvmlinux.initrd zImage.initrd
  91 endif
  92
  93 zvmlinux: $(OBJECTS) ../coffboot/vmlinux.gz
  94 #
  95 # build the boot loader image and then compute the offset into it
  96 # for the kernel image
  97 #
  98         $(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
  99         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
 100                 zvmlinux.tmp $@
 101 #
 102 # then with the offset rebuild the bootloader so we know where the kernel is
 103 #
 104         $(CC) $(CFLAGS) -DINITRD_OFFSET=0 -DINITRD_SIZE=0 \
 105                 -DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux image` \
 106                 -DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux image` \
 107                 -c -o misc.o misc.c
 108         $(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
 109         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
 110                 zvmlinux.tmp $@
 111         rm zvmlinux.tmp
 112
 113 floppy: $(TOPDIR)/vmlinux zImage
 114         dd if=zImage of=/dev/fd0H1440 bs=64b
 115
 116 mkprep : mkprep.c
 117         $(HOSTCC) -o mkprep mkprep.c
 118
 119 znetboot : zImage
 120 ifdef CONFIG_PREP
 121         cp zImage $(TFTPIMAGE)
 122 endif
 123 ifdef CONFIG_GEMINI
 124         cp sImage /tftpboot/
 125 endif
 126
 127 znetboot.initrd : zImage.initrd
 128         cp zImage.initrd $(TFTPIMAGE)
 129
 130 clean:
 131         rm -f vmlinux* zvmlinux* mkprep zImage*
 132
 133 fastdep:
 134         $(TOPDIR)/scripts/mkdep *.[Sch] > .depend
 135
 136 dep:
 137         $(CPP) -M *.S *.c > .depend
 138
 139 # just here to match coffboot/Makefile
 140 vmlinux.coff:
 141
 142 vmlinux.coff.initrd: