1 # 1 #
2 # This file is subject to the terms and condit !! 2 # linux/arch/i386/boot/compressed/Makefile
3 # License. <<
4 # 3 #
5 # Adapted for MIPS Pete Popov, Dan Malek !! 4 # create a compressed vmlinux image from the original vmlinux
6 # 5 #
7 # Copyright (C) 1994 by Linus Torvalds <<
8 # Adapted for PowerPC by Gary Thomas <<
9 # modified by Cort (cort@cs.nmt.edu) <<
10 # <<
11 # Copyright (C) 2009 Lemote Inc. & DSLab, Lanz <<
12 # Author: Wu Zhangjin <wuzhangjin@gmail.com> <<
13 # <<
14 <<
15 include $(srctree)/arch/mips/Kbuild.platforms <<
16 <<
17 # set the default size of the mallocing area f <<
18 BOOT_HEAP_SIZE := 0x400000 <<
19 <<
20 # Disable Function Tracer <<
21 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRAC <<
22 <<
23 KBUILD_CFLAGS := $(filter-out -fstack-protecto <<
24 <<
25 # Disable lq/sq in zboot <<
26 ifdef CONFIG_CPU_LOONGSON64 <<
27 KBUILD_CFLAGS := $(filter-out -march=loongson3 <<
28 endif <<
29 <<
30 KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ <<
31 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D" <<
32 <<
33 KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY <<
34 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ <<
35 -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS <<
36 <<
37 # decompressor objects (linked with vmlinuz) <<
38 vmlinuzobjs-y := $(obj)/head.o $(obj)/decompre <<
39 <<
40 ifdef CONFIG_DEBUG_ZBOOT <<
41 vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) <<
42 vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16 <<
43 vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_P <<
44 vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) <<
45 vmlinuzobjs-$(CONFIG_ATH79) <<
46 endif <<
47 <<
48 vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashl <<
49 <<
50 vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bs <<
51 <<
52 targets := $(notdir $(vmlinuzobjs-y)) <<
53 <<
54 targets += vmlinux.bin <<
55 <<
56 OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O <<
57 <<
58 $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE <<
59 $(call if_changed,objcopy) <<
60 <<
61 tool_$(CONFIG_KERNEL_GZIP) = gzip <<
62 tool_$(CONFIG_KERNEL_BZIP2) = bzip2_with_siz <<
63 tool_$(CONFIG_KERNEL_LZ4) = lz4_with_size <<
64 tool_$(CONFIG_KERNEL_LZMA) = lzma_with_size <<
65 tool_$(CONFIG_KERNEL_LZO) = lzo_with_size <<
66 tool_$(CONFIG_KERNEL_XZ) = xzkern_with_si <<
67 tool_$(CONFIG_KERNEL_ZSTD) = zstd22_with_si <<
68 <<
69 targets += vmlinux.bin.z <<
70 <<
71 $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE <<
72 $(call if_changed,$(tool_y)) <<
73 <<
74 targets += piggy.o dummy.o <<
75 6
76 OBJCOPYFLAGS_piggy.o := --add-section=.image=$ !! 7 HEAD = head.o
77 --set-section-flags=.i !! 8 SYSTEM = $(TOPDIR)/vmlinux
78 9
79 $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux. !! 10 OBJECTS = $(HEAD) misc.o
80 $(call if_changed,objcopy) <<
81 11
82 HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUX !! 12 ZLDFLAGS = -e startup_32
83 <<
84 # Calculate the load address of the compressed <<
85 hostprogs := calc_vmlinuz_load_addr <<
86 <<
87 ifneq (0x0,$(CONFIG_ZBOOT_LOAD_ADDRESS)) <<
88 zload-y = $(CONFIG_ZBOOT_LOAD_ADDRESS) <<
89 endif <<
90 <<
91 ifneq ($(zload-y),) <<
92 VMLINUZ_LOAD_ADDRESS := $(zload-y) <<
93 else <<
94 VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vml <<
95 $(obj)/vmlinux.bin $(LINKER_LO <<
96 endif <<
97 UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) <<
98 <<
99 vmlinuzobjs-y += $(obj)/piggy.o <<
100 <<
101 targets += ../../../../vmlinuz <<
102 <<
103 quiet_cmd_zld = LD $@ <<
104 cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext <<
105 quiet_cmd_strip = STRIP $@ <<
106 cmd_strip = $(STRIP) -s $@ <<
107 <<
108 $(objtree)/vmlinuz: $(src)/ld.script $(vmlinuz <<
109 $(call cmd,zld) <<
110 $(call cmd,strip) <<
111 <<
112 objboot := $(objtree)/arch/mips/boot <<
113 <<
114 $(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE <<
115 13
116 # 14 #
117 # Some DECstations need all possible sections !! 15 # ZIMAGE_OFFSET is the load offset of the compression loader
>> 16 # BZIMAGE_OFFSET is the load offset of the high loaded compression loader
118 # 17 #
119 ifdef CONFIG_MACH_DECSTATION !! 18 ZIMAGE_OFFSET = 0x1000
120 e2eflag := -a !! 19 BZIMAGE_OFFSET = 0x100000
121 endif <<
122 <<
123 # elf2ecoff can only handle 32bit image <<
124 hostprogs += ../elf2ecoff <<
125 <<
126 ifdef CONFIG_32BIT <<
127 VMLINUZ = $(objtree)/vmlinuz <<
128 else <<
129 VMLINUZ = $(objboot)/vmlinuz.32 <<
130 endif <<
131 20
132 targets += ../vmlinuz.32 !! 21 ZLINKFLAGS = -Ttext $(ZIMAGE_OFFSET) $(ZLDFLAGS)
>> 22 BZLINKFLAGS = -Ttext $(BZIMAGE_OFFSET) $(ZLDFLAGS)
133 23
134 quiet_cmd_32 = OBJCOPY $@ !! 24 all: vmlinux
135 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OB <<
136 25
137 $(objboot)/vmlinuz.32: $(objtree)/vmlinuz !! 26 vmlinux: piggy.o $(OBJECTS)
138 $(call cmd,32) !! 27 $(LD) $(ZLINKFLAGS) -o vmlinux $(OBJECTS) piggy.o
139 28
140 targets += ../vmlinuz.ecoff !! 29 bvmlinux: piggy.o $(OBJECTS)
>> 30 $(LD) $(BZLINKFLAGS) -o bvmlinux $(OBJECTS) piggy.o
141 31
142 quiet_cmd_ecoff = ECOFF $@ !! 32 head.o: head.S
143 cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) !! 33 $(CC) $(AFLAGS) -traditional -c head.S
144 34
145 $(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff !! 35 comma := ,
146 $(call cmd,ecoff) <<
147 36
148 targets += ../vmlinuz.bin !! 37 misc.o: misc.c
149 !! 38 $(CC) $(CFLAGS) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) -c misc.c
150 OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O <<
151 <<
152 $(objboot)/vmlinuz.bin: $(objtree)/vmlinuz <<
153 $(call cmd,objcopy) <<
154 <<
155 targets += ../vmlinuz.srec <<
156 <<
157 OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) - <<
158 <<
159 $(objboot)/vmlinuz.srec: $(objtree)/vmlinuz <<
160 $(call cmd,objcopy) <<
161 <<
162 targets += ../uzImage.bin <<
163 <<
164 $(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin <<
165 $(call if_changed,uimage,none) <<
166 <<
167 # <<
168 # Flattened Image Tree (.itb) image <<
169 # <<
170 39
171 ifeq ($(ADDR_BITS),32) !! 40 piggy.o: $(SYSTEM)
172 itb_addr_cells = 1 !! 41 tmppiggy=_tmp_$$$$piggy; \
173 endif !! 42 rm -f $$tmppiggy $$tmppiggy.gz $$tmppiggy.lnk; \
174 ifeq ($(ADDR_BITS),64) !! 43 $(OBJCOPY) $(SYSTEM) $$tmppiggy; \
175 itb_addr_cells = 2 !! 44 gzip -f -9 < $$tmppiggy > $$tmppiggy.gz; \
176 endif !! 45 echo "SECTIONS { .data : { input_len = .; LONG(input_data_end - input_data) input_data = .; *(.data) input_data_end = .; }}" > $$tmppiggy.lnk; \
177 !! 46 $(LD) -r -o piggy.o -b binary $$tmppiggy.gz -b elf32-i386 -T $$tmppiggy.lnk; \
178 targets += ../vmlinuz.its.S !! 47 rm -f $$tmppiggy $$tmppiggy.gz $$tmppiggy.lnk
179 <<
180 quiet_cmd_its_cat = CAT $@ <<
181 cmd_its_cat = cat $(real-prereqs) >$@ <<
182 <<
183 $(objboot)/vmlinuz.its.S: $(addprefix $(srctre <<
184 $(call if_changed,its_cat) <<
185 <<
186 targets += ../vmlinuz.its <<
187 <<
188 quiet_cmd_cpp_its_S = ITS $@ <<
189 cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \ <<
190 -DKERNEL_NAME="\"Linux <<
191 -DVMLINUX_BINARY="\"$( <<
192 -DVMLINUX_COMPRESSION= <<
193 -DVMLINUX_LOAD_ADDRESS <<
194 -DVMLINUX_ENTRY_ADDRES <<
195 -DADDR_BITS=$(ADDR_BIT <<
196 -DADDR_CELLS=$(itb_add <<
197 <<
198 $(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its <<
199 $(call if_changed,cpp_its_S,vmlinuz.bi <<
200 <<
201 targets += ../vmlinuz.itb <<
202 <<
203 quiet_cmd_itb-image = ITB $@ <<
204 cmd_itb-image = \ <<
205 env PATH="$(objtree)/scripts/d <<
206 $(BASH) $(MKIMAGE) \ <<
207 -D "-I dts -O dtb -p 500 \ <<
208 --include $(objtree)/a <<
209 --warning no-unit_addr <<
210 -f $(2) $@ <<
211 48
212 $(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its !! 49 clean:
213 $(call if_changed,itb-image,$<) !! 50 rm -f vmlinux bvmlinux _tmp_*
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.