blob: b5fcd906886d8f0fd128b7191ad2c70b22d7c62e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
uses CONFIG_SMP
uses CONFIG_PRECOMPRESSED_ROM_STREAM
uses CONFIG_USE_INIT
uses HAVE_FAILOVER_BOOT
uses USE_FAILOVER_IMAGE
uses USE_FALLBACK_IMAGE
init init/crt0.S.lb
if HAVE_FAILOVER_BOOT
if USE_FAILOVER_IMAGE
ldscript init/ldscript_failover.lb
else
ldscript init/ldscript.lb
end
else
if USE_FALLBACK_IMAGE
ldscript init/ldscript_fallback.lb
else
ldscript init/ldscript.lb
end
end
makerule all
depends "linuxbios.rom"
end
makerule floppy
depends "all"
action "mcopy -o linuxbios.rom a:"
end
makerule nrv2b
depends "$(TOP)/util/nrv2b/nrv2b.c"
action "$(HOSTCC) -O2 -DENCODE -DDECODE -DMAIN -DVERBOSE -DNDEBUG -DBITSIZE=32 -DENDIAN=0 $< -o $@"
end
makerule payload
depends "$(PAYLOAD)"
action "cp $< $@"
end
makerule payload.nrv2b
depends "$(PAYLOAD) nrv2b"
action "./nrv2b e $(PAYLOAD) $@"
end
# unlike nrv2b, lzma is a huge build mess. If they want lzma, they have to have built it
makerule payload.lzma
depends "$(PAYLOAD) "
action "lzma e $(PAYLOAD) $@"
end
# this one example shows the mess that has occurred. People are now mixing
# conditional if in the make style with if in the config language style.
# The -1 is linux standard.
# I don't much like it but it is the mode nowadays. So linuxbios will change
# what a mess. -- RGM
# catch the case where there is no compression
makedefine PAYLOAD-1:=payload
# match the case where a compression type is specified.
makedefine PAYLOAD-$(CONFIG_COMPRESSED_ROM_STREAM_NRV2B):=payload.nrv2b
makedefine PAYLOAD-$(CONFIG_COMPRESSED_ROM_STREAM_LZMA):=payload.lzma
# catch the case where there is precompression. Yes, this bites.
if CONFIG_PRECOMPRESSED_ROM_STREAM
makedefine PAYLOAD-1:=payload
end
if USE_FAILOVER_IMAGE
makedefine LINUXBIOS_APC:=
makedefine LINUXBIOS_RAM_ROM:=
makerule linuxbios.rom
depends "linuxbios.strip"
action "cp $< $@"
end
else
makerule linuxbios.rom
depends "linuxbios.strip buildrom $(PAYLOAD-1)"
action "./buildrom $< $@ $(PAYLOAD-1) $(ROM_IMAGE_SIZE) $(ROM_SECTION_SIZE)"
end
end
makerule crt0.S
depends "$(CRT0)"
action "cp $< $@"
end
addaction clean "rm -f romimage payload.*"
if CONFIG_USE_INIT
makerule init.o
depends "$(INIT-OBJECTS)"
action "$(LD) -melf_i386 -r -o init.pre.o $(INIT-OBJECTS)"
action "$(OBJCOPY) --rename-section .text=.init.text --rename-section .data=.init.data --rename-section .rodata=.init.rodata --rename-section .rodata.str1.1=.init.rodata.str1.1 init.pre.o init.o"
end
makerule linuxbios
depends "crt0.o init.o $(LINUXBIOS_APC) $(LINUXBIOS_RAM_ROM) ldscript.ld"
action "$(CC) -nostdlib -nostartfiles -static -o $@ -T ldscript.ld crt0.o init.o"
action "$(CROSS_COMPILE)nm -n linuxbios | sort > linuxbios.map"
end
end
dir lib
dir boot
if CONFIG_SMP
dir smp
end
|
