release/src/lzma-loader/Makefile

   1 #
   2 # Makefile for Broadcom BCM947XX boards
   3 #
   4 # Copyright 2001-2003, 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 # Copyright 2004  Manuel Novoa III <mjn3@codepoet.org>
  13 #   Modified to support bzip'd kernels.
  14 #   Of course, it would be better to integrate bunzip capability into CFE.
  15 #
  16 # Copyright 2005  Oleg I. Vdovikin <oleg@cs.msu.su>
  17 #   Cleaned up, modified for lzma support, removed from kernel
  18 #
  19 # 2009-10-05 - Upgrade to lzma SDK 4.57 by Leonid Lisovskiy
  20 #
  21
  22 TEXT_START      := 0x80001000
  23 BZ_TEXT_START   := 0x80500000
  24
  25 OBJCOPY         := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
  26
  27 CFLAGS          = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \
  28                   -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
  29                   -ffunction-sections -pipe -Wa,--trap \
  30                   -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32
  31 CFLAGS          += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB
  32 CFLAGS          += -I$(SRCBASE)/include -I$(SRCBASE)/lzma/C/Compress/Lzma
  33
  34 ASFLAGS         = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START)
  35
  36 SEDFLAGS        := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/
  37
  38 OBJECTS         := head.o data.o
  39
  40 vpath %.c $(SRCBASE)/lzma/C/Compress/Lzma
  41
  42 all: loader.gz
  43
  44 # Don't build dependencies, this may die if $(CC) isn't gcc
  45 dep:
  46
  47 install:
  48
  49 loader.gz: loader
  50         gzip -nc9 $< > $@
  51
  52 loader: loader.o
  53         $(OBJCOPY) $< $@
  54
  55 loader.o: loader.lds $(OBJECTS)
  56         $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS)
  57
  58 loader.lds: loader.lds.in Makefile
  59         @sed "$(SEDFLAGS)" < $< > $@
  60
  61 data.o: data.lds decompress.image
  62         $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips
  63
  64 data.lds:
  65         @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@
  66
  67 decompress.image: decompress
  68         $(OBJCOPY) $< $@
  69
  70 decompress: decompress.lds decompress.o LzmaDecode.o
  71         $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o
  72
  73 decompress.lds: decompress.lds.in Makefile
  74         @sed "$(SEDFLAGS)" < $< > $@
  75
  76 mrproper: clean
  77
  78 clean:
  79         rm -f loader.gz loader decompress *.lds *.o *.image