OpenWrt – Blame information for rev 4

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4 office 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  
20 TEXT_START := 0x80001000
21 BZ_TEXT_START := 0x80600000
22 BZ_STACK_START := 0x80700000
23  
24 OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
25  
26 CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
27 -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
28 -ffunction-sections -pipe -mlong-calls -fno-common \
29 -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
30 CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB
31  
32 ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) -DBZ_STACK_START=$(BZ_STACK_START)
33  
34 SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/BZ_STACK_START/$(BZ_STACK_START)/;s/TEXT_START/$(TEXT_START)/
35  
36 OBJECTS := head.o data.o
37  
38 all: loader.gz loader.elf
39  
40 # Don't build dependencies, this may die if $(CC) isn't gcc
41 dep:
42  
43 install:
44  
45 loader.gz: loader
46 gzip -nc9 $< > $@
47  
48 loader.elf: loader.o
49 cp $< $@
50  
51 loader: loader.o
52 $(OBJCOPY) $< $@
53  
54 loader.o: loader.lds $(OBJECTS)
55 $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS)
56  
57 loader.lds: loader.lds.in Makefile
58 @sed "$(SEDFLAGS)" < $< > $@
59  
60 data.o: data.lds decompress.image
61 $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips
62  
63 data.lds:
64 @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@
65  
66 decompress.image: decompress
67 $(OBJCOPY) $< $@
68  
69 decompress: decompress.lds decompress.o LzmaDecode.o
70 $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o
71  
72 decompress.lds: decompress.lds.in Makefile
73 @sed "$(SEDFLAGS)" < $< > $@
74  
75 mrproper: clean
76  
77 clean:
78 rm -f loader.gz loader decompress *.lds *.o *.image