arch/ppc/boot/simple/Makefile

   1 # This is far from simple, but I couldn't think of a good name.  This is
   2 # for making the 'zImage' or 'zImage.initrd' on a number of targets.
   3 #
   4 # Author: Tom Rini <trini@mvista.com>
   5 #
   6 # 2001-2002 (c) MontaVista, Software, Inc.  This file is licensed under
   7 # the terms of the GNU General Public License version 2.  This program
   8 # is licensed "as is" without any warranty of any kind, whether express
   9 # or implied.
  10 #
  11 # Notes:
  12 # (1) All machines must set the END variable to the suffix of the preferred
  13 # final image (i.e. would be copied in 'make znetboot'.
  14 # (2) For machine targets which use the mktree program you can optionally
  15 # set ENTRYPOINT which the image should be loaded at.  The optimal setting
  16 # for ENTRYPOINT is the link address.
  17
  18 USE_STANDARD_AS_RULE            := true
  19
  20 # Normally, we use the 'misc-simple.c' file for decompress_kernel and
  21 # whatnot.  Sometimes we need to override this however.
  22 MISC                            := ../common/misc-simple.o
  23 ifeq ($(CONFIG_EMBEDDEDBOOT),y)
  24 ZIMAGE                          := zImage-EMBEDDED
  25 ZIMAGEINITRD                    := zImage.initrd-EMBEDDED
  26 MISC                            := misc-embedded.o
  27 END                             := embedded
  28 endif
  29 ifeq ($(CONFIG_IBM_OPENBIOS),y)
  30 ZIMAGE                          := zImage-TREE
  31 ZIMAGEINITRD                    := zImage.initrd-TREE
  32 END                             := treeboot
  33 TFTPIMAGE                       := /tftpboot/zImage.embedded
  34 MISC                            := misc-embedded.o
  35 endif
  36 ifeq ($(CONFIG_EBONY),y)
  37 ZIMAGE                          := zImage-TREE
  38 ZIMAGEINITRD                    := zImage.initrd-TREE
  39 END                             := ebony
  40 ENTRYPOINT                      := 0x00800000
  41 EXTRA                           := misc-44x.o
  42 endif
  43 ifeq ($(CONFIG_OCOTEA),y)
  44 ZIMAGE                          := zImage-TREE
  45 ZIMAGEINITRD                    := zImage.initrd-TREE
  46 END                             := ocotea
  47 ENTRYPOINT                      := 0x00800000
  48 EXTRA                           := misc-44x.o
  49 endif
  50 ifeq ($(CONFIG_GEMINI),y)
  51 ZIMAGE                          := zImage-SMON
  52 ZIMAGEINITRD                    := zImage.initrd-SMON
  53 END                             := gemini
  54 endif
  55 # kbuild-2.4 'feature', only one of these will ever by 'y' at a time.
  56 # The rest will be unset.
  57 ifeq ($(CONFIG_LOPEC)$(CONFIG_PPLUS)$(CONFIG_PRPMC750),y)
  58 ZIMAGE                          := zImage-PPLUS
  59 ZIMAGEINITRD                    := zImage.initrd-PPLUS
  60 EXTRA                           := ../common/mpc10x_memory.o
  61 TFTPIMAGE                       := /tftpboot/zImage.pplus
  62 END                             := pplus
  63 endif
  64 ifeq ($(CONFIG_PPLUS),y)
  65 EXTRA                           := legacy.o
  66 endif
  67 ifeq ($(CONFIG_PAL4),y)
  68 ZIMAGE                          := zImage-PAL4
  69 ZIMAGEINITRD                    := zImage.initrd-PAL4
  70 END                             := pal4
  71 endif
  72 ifeq ($(CONFIG_SANDPOINT),y)
  73 ZIMAGE                          := zImage-SP
  74 ZIMAGEINITRD                    := zImage.initrd-SP
  75 CACHEFLAG                       := -include clear.S
  76 TFTPIMAGE                       := /tftpboot/zImage.sandpoint
  77 END                             := sandpoint
  78 endif
  79 ifeq ($(CONFIG_SPRUCE),y)
  80 ZIMAGE                          := zImage-TREE
  81 ZIMAGEINITRD                    := zImage.initrd-TREE
  82 ENTRYPOINT                      := 0x00800000
  83 MISC                            := misc-spruce.o
  84 END                             := spruce
  85 endif
  86
  87 TFTPIMAGE                       ?= /tftpboot/zImage.$(END)
  88 ifeq ($(CONFIG_SMP),y)
  89 TFTPIMAGE                       += .smp
  90 endif
  91
  92
  93 # Setup a default address to put ourselves, change it as needed.
  94 LD_ARGS                         = -T ../ld.script -Ttext 0x00800000 -Bstatic
  95 ifdef CONFIG_8xx
  96 LD_ARGS                         := -T ../ld.script -Ttext 0x00180000 -Bstatic
  97 endif
  98 ifeq ($(CONFIG_8260)$(CONFIG_40x),y)
  99 LD_ARGS                         := -T ../ld.script -Ttext 0x00400000 -Bstatic
 100 endif
 101 OBJCOPY_ARGS                    := -O elf32-powerpc
 102
 103 # head.o and ../common/relocate.o must be at the start.
 104 obj-y                           := head.o ../common/relocate.o $(EXTRA) \
 105                                 $(MISC) ../common/misc-common.o \
 106                                 ../common/string.o ../common/util.o \
 107                                 ../common/serial_stub.o
 108 obj-$(CONFIG_40x)               += embed_config.o
 109 obj-$(CONFIG_8xx)               += embed_config.o
 110 obj-$(CONFIG_8260)              += embed_config.o
 111 obj-$(CONFIG_BSEIP)             += iic.o
 112 obj-$(CONFIG_MBX)               += iic.o
 113 obj-$(CONFIG_RPXCLASSIC)        += iic.o
 114 obj-$(CONFIG_RPXLITE)           += iic.o
 115 # Different boards need different serial implementations.
 116 ifeq ($(CONFIG_SERIAL_CONSOLE),y)
 117 obj-$(CONFIG_8xx)               += m8xx_tty.o
 118 obj-$(CONFIG_8260)              += m8260_tty.o
 119 obj-$(CONFIG_SERIAL)            += ../common/ns16550.o
 120 endif
 121
 122 LIBS                            := ../lib/zlib.a
 123
 124 # Tools
 125 MKBUGBOOT                       := ../utils/mkbugboot
 126 MKPREP                          := ../utils/mkprep
 127 MKTREE                          := ../utils/mktree
 128
 129 zvmlinux: $(obj-y) $(LIBS) ../ld.script ../images/vmlinux.gz ../common/dummy.o
 130         $(OBJCOPY) $(OBJCOPY_ARGS) \
 131                 --add-section=.image=../images/vmlinux.gz \
 132                 --set-section-flags=.image=contents,alloc,load,readonly,data \
 133                 ../common/dummy.o image.o
 134         $(LD) $(LD_ARGS) -o $@ $(obj-y) image.o $(LIBS)
 135         $(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr \
 136                 -R .ramdisk -R .sysmap
 137
 138 zvmlinux.initrd: $(obj-y) $(LIBS) ../ld.script ../images/vmlinux.gz \
 139                 ../common/dummy.o
 140         $(OBJCOPY) $(OBJCOPY_ARGS) \
 141                 --add-section=.ramdisk=../images/ramdisk.image.gz \
 142                 --set-section-flags=.ramdisk=contents,alloc,load,readonly,data \
 143                 --add-section=.image=../images/vmlinux.gz \
 144                 --set-section-flags=.image=contents,alloc,load,readonly,data \
 145                 ../common/dummy.o image.o
 146         $(LD) $(LD_ARGS) -o $@ $(obj-y) image.o $(LIBS)
 147         $(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R .comment -R .stab -R .stabstr \
 148                 -R .sysmap
 149
 150 # Sort-of dummy rules, that let us format the image we want.
 151 zImage: $(ZIMAGE)
 152         rm -f zvmlinux
 153 zImage.initrd: $(ZIMAGEINITRD)
 154         rm -f zvmlinux.initrd
 155
 156 znetboot: zImage
 157         cp ../images/zImage.$(END) $(TFTPIMAGE)
 158
 159 znetboot.initrd: zImage.initrd
 160         cp ../images/zImage.initrd.$(END) $(TFTPIMAGE)
 161
 162 zImage-EMBEDDED: zvmlinux
 163         mv zvmlinux ../images/zImage.$(END)
 164
 165 zImage.initrd-EMBEDDED: zvmlinux.initrd
 166         mv zvmlinux.initrd ../images/zImage.initrd.$(END)
 167
 168 zImage-PAL4: zvmlinux
 169         mv zvmlinux ../images/zImage.$(END)
 170
 171 zImage.initrd-PAL4: zvmlinux.initrd
 172         mv zvmlinux.initrd ../images/zImage.initrd.$(END)
 173
 174 zImage-PPLUS: zvmlinux $(MKPREP) $(MKBUGBOOT)
 175         $(MKPREP) -pbp zvmlinux ../images/zImage.pplus
 176         $(MKBUGBOOT) zvmlinux ../images/zImage.bugboot
 177
 178 zImage.initrd-PPLUS: zvmlinux.initrd $(MKPREP) $(MKBUGBOOT)
 179         $(MKPREP) -pbp zvmlinux.initrd ../images/zImage.initrd.pplus
 180         $(MKBUGBOOT) zvmlinux.initrd ../images/zImage.initrd.bugboot
 181
 182 zImage-SP: zvmlinux
 183         mv zvmlinux ../images/zImage.sandpoint
 184
 185 zImage.initrd-SP: zvmlinux.initrd
 186         mv zvmlinux.initrd ../images/zImage.initrd.sandpoint
 187
 188 zImage-SMON: zvmlinux
 189         dd if=zvmlinux of=../images/zImage.$(END) skip=64 bs=1k
 190
 191 zImage.initrd-SMON: zvmlinux.initrd
 192         dd if=zvmlinux.initrd of=../images/zImage.initrd.$(END) skip=64 bs=1k
 193
 194 zImage-TREE: zvmlinux
 195         $(MKTREE) zvmlinux ../images/zImage.$(END) $(ENTRYPOINT)
 196
 197 zImage.initrd-TREE: zvmlinux.initrd
 198         $(MKTREE) zvmlinux.initrd ../images/zImage.initrd.$(END) $(ENTRYPOINT)
 199
 200 include $(TOPDIR)/Rules.make