release/src-rt-6.x/linux/linux-2.6/arch/mips/brcm-boards/bcm947xx/compressed/Makefile

   1 #
   2 # Makefile for Broadcom BCM947XX boards
   3 #
   4 # Copyright (C) 2008, Broadcom Corporation
   5 # All Rights Reserved.
   6 #
   7 # THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
   8 # KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
   9 # SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
  10 # FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
  11 #
  12 # $Id: Makefile,v 1.6 2008/04/03 03:48:38 Exp $
  13 #
  14
  15
  16 # Link at 3 MB offset in RAM
  17 TEXT_START      ?= 0x80300000
  18
  19 LOADADDR        := 0x80001000
  20 CROSS_COMPILE   ?= mipsel-linux-
  21
  22 OBJCOPY         := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
  23 OBJCOPYSREC     := $(CROSS_COMPILE)objcopy -O srec -R .reginfo -R .note -R .comment -R .mdebug -S
  24
  25 vpath %.c $(SRCBASE)/shared
  26 vpath %.S $(SRCBASE)/shared
  27 vpath %.lds.in $(SRCBASE)/shared
  28
  29 ASFLAGS         += -D__ASSEMBLY__ -DLOADADDR=$(LOADADDR) -march=mips32 -Wa,-mips32 -Wa,--trap
  30 CFLAGS          += -DLOADADDR=$(LOADADDR) -march=mips32 -Wa,-mips32 -Wa,--trap
  31 # The self-decompresor is standalone, get rid of the linux flags
  32 CFLAGS          := $(subst -Dlinux,,$(CFLAGS))
  33 CFLAGS          += -Ulinux -D_MINOSL_ -ffreestanding
  34 ifdef CONFIG_MCOUNT
  35 CFLAGS          := $(subst -pg,,$(CFLAGS))
  36 endif
  37 CFLAGS          += -ffunction-sections $(call check_gcc, -fvtable-gc, )
  38
  39 SYSTEM          ?= $(LINUXDIR)/vmlinux
  40 OBJECTS         := boot.o sisdram.o sbsdram.o aisdram.o load.o sflash.o \
  41                 hndmips.o hndchipc.o \
  42                 sbutils.o aiutils.o siutils.o hndpmu.o nicpci.o \
  43                 min_osl.o bcmutils.o sromstubs.o nvramstubs.o bcmstdlib.o
  44
  45 CFLAGS          += -G 0 -mno-abicalls -fno-pic -pipe -msoft-float
  46 ASFLAGS         += -G 0 -mno-abicalls -fno-pic -pipe
  47
  48 # Default to bzip2
  49 COMPRESS        ?= bzip2 -c
  50
  51 ifneq ($(findstring gzip,$(COMPRESS)),)
  52 CFLAGS          += -DUSE_GZIP
  53 else
  54 ifneq ($(findstring bzip2,$(COMPRESS)),)
  55 CFLAGS          += -DUSE_BZIP2
  56 else
  57 COMPRESS        := cat
  58 endif
  59 endif
  60
  61 CFLAGS          += -I$(SRCBASE)/include -DBCMDRIVER
  62 ASFLAGS         += -I$(SRCBASE)/include
  63
  64 all: zImage vmlinuz
  65
  66 # Don't build dependencies, this may die if $(CC) isn't gcc
  67 dep:
  68
  69 zImage: vmlinux
  70         $(OBJCOPY) $< $@
  71
  72 # Link the loader and the kernel binary together
  73 vmlinux: vmlinux.lds $(OBJECTS) piggy.o
  74         $(LD) -static --gc-sections -no-warn-mismatch -T vmlinux.lds -o $@ $(OBJECTS) piggy.o
  75
  76 vmlinux.lds: hndrte.lds.in Makefile
  77         @sed -e s/TEXT_START/$(TEXT_START)/ \
  78              -e s/TARGET_ARCH/mips/ < $< > $@
  79
  80 # Create a linkable version of the (possibly compressed) kernel binary
  81 piggy.o: piggz piggy.lds
  82         $(LD) -no-warn-mismatch -T piggy.lds -r -o $@ -b binary piggz -b elf32-tradlittlemips
  83
  84 piggy.lds:
  85         @echo "SECTIONS { .data : { input_len = .; LONG(input_data_end - input_data) input_data = .; *(.data) input_data_end = .; }}" > $@
  86
  87 # Always create a gzipped version named vmlinuz for compatibility
  88 vmlinuz: piggy
  89         $(MAKE) -C $(SRCBASE)/lzma/CPP/7zip/Compress/LZMA_Alone -f makefile.gcc
  90         cat piggy | $(SRCBASE)/lzma/CPP/7zip/Compress/LZMA_Alone/lzma e -si -so -lc1 -lp2 -pb2 > vmlinuz
  91 ##      gzip -c9 $< > $@
  92
  93 piggz: piggy
  94         $(COMPRESS) $< > $@
  95
  96 piggy: $(SYSTEM)
  97         $(OBJCOPY) $< $@
  98
  99 mrproper: clean
 100
 101 clean:
 102         $(Q)rm -f vmlinux vmlinuz zImage piggz piggy *.lds *.o