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_SMP),y)
  29 TFTPIMAGE=/tftpboot/zImage.prep.smp$(MSIZE)
  30 else
  31 TFTPIMAGE=/tftpboot/zImage.prep$(MSIZE)
  32 endif
  33
  34 ifeq ($(CONFIG_PPC64),y)
  35 MSIZE=.64
  36 else
  37 MSIZE=
  38 endif
  39
  40 ZLINKFLAGS = -T ../vmlinux.lds -Ttext 0x00800000
  41
  42 GZIP_FLAGS = -v9
  43
  44 OBJECTS := head.o misc.o ../coffboot/zlib.o
  45 CFLAGS = -O2 -DSTDC_HEADERS -fno-builtin -I$(TOPDIR)/include
  46 OBJCOPY = $(CROSS_COMPILE)objcopy
  47 OBJCOPY_ARGS = -O elf32-powerpc
  48
  49 OBJECTS += vreset.o kbd.o of1275.o
  50 ifeq ($(CONFIG_SERIAL_CONSOLE),y)
  51 OBJECTS += ns16550.o
  52 endif
  53
  54 all:    zImage
  55
  56 zvmlinux.initrd: zvmlinux
  57         $(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
  58         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
  59                 --add-section=initrd=ramdisk.image.gz \
  60                 --add-section=image=../coffboot/vmlinux.gz \
  61                 zvmlinux.initrd.tmp zvmlinux.initrd
  62         $(CC) $(CFLAGS) -DINITRD_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd initrd` \
  63                 -DINITRD_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd initrd` \
  64                 -DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd image` \
  65                 -DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd image` \
  66                 -c -o misc.o misc.c
  67         $(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
  68         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
  69                 --add-section=initrd=ramdisk.image.gz \
  70                 --add-section=image=../coffboot/vmlinux.gz \
  71                 zvmlinux.initrd.tmp $@
  72         rm zvmlinux.initrd.tmp
  73
  74 zImage: zvmlinux mkprep sImage
  75         ./mkprep -pbp zvmlinux zImage
  76
  77 sImage: ../../../vmlinux
  78 ifdef CONFIG_GEMINI
  79         $(OBJCOPY) -I elf32-powerpc -O binary ../../../vmlinux sImage
  80 else
  81 endif
  82
  83 zImage.initrd: zvmlinux.initrd mkprep
  84         ./mkprep -pbp zvmlinux.initrd zImage.initrd
  85
  86 zvmlinux: $(OBJECTS) ../coffboot/vmlinux.gz
  87 #
  88 # build the boot loader image and then compute the offset into it
  89 # for the kernel image
  90 #
  91         $(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
  92         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
  93                 zvmlinux.tmp $@
  94 #
  95 # then with the offset rebuild the bootloader so we know where the kernel is
  96 #
  97         $(CC) $(CFLAGS) -DINITRD_OFFSET=0 -DINITRD_SIZE=0 \
  98                 -DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux image` \
  99                 -DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux image` \
 100                 -c -o misc.o misc.c
 101         $(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
 102         $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
 103                 zvmlinux.tmp $@
 104         rm zvmlinux.tmp
 105
 106 floppy: $(TOPDIR)/vmlinux zImage
 107         dd if=zImage of=/dev/fd0H1440 bs=64b
 108
 109 mkprep : mkprep.c
 110         $(HOSTCC) -o mkprep mkprep.c
 111
 112 znetboot : zImage
 113         cp zImage $(TFTPIMAGE)
 114 ifdef CONFIG_GEMINI
 115         cp sImage /tftpboot/
 116 endif
 117
 118 znetboot.initrd : zImage.initrd
 119         cp zImage.initrd $(TFTPIMAGE)
 120
 121 clean:
 122         rm -f vmlinux* zvmlinux* mkprep zImage*
 123
 124 fastdep:
 125         $(TOPDIR)/scripts/mkdep *.[Sch] > .depend
 126
 127 dep:
 128         $(CPP) -M *.S *.c > .depend
 129
 130 # just here to match coffboot/Makefile
 131 vmlinux.coff:
 132
 133 vmlinux.coff.initrd: