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1b93b3c3 WZ |
1 | # |
2 | # This file is subject to the terms and conditions of the GNU General Public | |
3 | # License. | |
4 | # | |
5 | # Adapted for MIPS Pete Popov, Dan Malek | |
6 | # | |
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, Lanzhou University | |
f7a904df | 12 | # Author: Wu Zhangjin <wuzhangjin@gmail.com> |
1b93b3c3 WZ |
13 | # |
14 | ||
b76a4c1a AB |
15 | include $(srctree)/arch/mips/Kbuild.platforms |
16 | ||
1b93b3c3 WZ |
17 | # set the default size of the mallocing area for decompressing |
18 | BOOT_HEAP_SIZE := 0x400000 | |
19 | ||
20 | # Disable Function Tracer | |
209ec69a | 21 | KBUILD_CFLAGS := $(filter-out -pg, $(KBUILD_CFLAGS)) |
1b93b3c3 | 22 | |
23df3415 MC |
23 | KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS)) |
24 | ||
e4c64e6f | 25 | KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ \ |
dac2965c | 26 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" |
1b93b3c3 | 27 | |
e4c64e6f | 28 | KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ |
dac2965c | 29 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ |
3185557d | 30 | -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) |
1b93b3c3 | 31 | |
35eaa1e9 | 32 | # decompressor objects (linked with vmlinuz) |
7ae7ef3f | 33 | vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o |
1b93b3c3 | 34 | |
f86a69b1 | 35 | ifdef CONFIG_DEBUG_ZBOOT |
7ae7ef3f | 36 | vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o |
35eaa1e9 | 37 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o |
dbb98314 | 38 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o |
42a4f17d | 39 | vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o |
b3f0a250 | 40 | vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o |
f86a69b1 | 41 | endif |
1b93b3c3 | 42 | |
b3f0a250 AB |
43 | extra-y += uart-ath79.c |
44 | $(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c | |
45 | $(call cmd,shipped) | |
46 | ||
c50ec678 | 47 | vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o |
25f66096 | 48 | |
9ed491b8 MR |
49 | extra-y += ashldi3.c |
50 | $(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE | |
51 | $(call if_changed,shipped) | |
52 | ||
53 | extra-y += bswapsi.c | |
54 | $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE | |
55 | $(call if_changed,shipped) | |
25f66096 AB |
56 | |
57 | targets := $(notdir $(vmlinuzobjs-y)) | |
4e23eb63 | 58 | |
35eaa1e9 | 59 | targets += vmlinux.bin |
1b93b3c3 | 60 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
35eaa1e9 | 61 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
1b93b3c3 WZ |
62 | $(call if_changed,objcopy) |
63 | ||
1b93b3c3 WZ |
64 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
65 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 | |
31c4867d | 66 | tool_$(CONFIG_KERNEL_LZ4) = lz4 |
1b93b3c3 | 67 | tool_$(CONFIG_KERNEL_LZMA) = lzma |
fe1d45e0 | 68 | tool_$(CONFIG_KERNEL_LZO) = lzo |
4e23eb63 | 69 | tool_$(CONFIG_KERNEL_XZ) = xzkern |
35eaa1e9 | 70 | |
c853d945 WZ |
71 | targets += vmlinux.bin.z |
72 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE | |
1b93b3c3 WZ |
73 | $(call if_changed,$(tool_y)) |
74 | ||
25f66096 | 75 | targets += piggy.o dummy.o |
c853d945 | 76 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
70342287 | 77 | --set-section-flags=.image=contents,alloc,load,readonly,data |
c853d945 | 78 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
35eaa1e9 | 79 | $(call if_changed,objcopy) |
1b93b3c3 | 80 | |
3c4b7fde WZ |
81 | # Calculate the load address of the compressed kernel image |
82 | hostprogs-y := calc_vmlinuz_load_addr | |
83 | ||
b76a4c1a AB |
84 | ifneq ($(zload-y),) |
85 | VMLINUZ_LOAD_ADDRESS := $(zload-y) | |
f9c9affc | 86 | else |
3c4b7fde | 87 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
2ccc5b15 | 88 | $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) |
f9c9affc | 89 | endif |
ccebb88a | 90 | UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) |
3c4b7fde WZ |
91 | |
92 | vmlinuzobjs-y += $(obj)/piggy.o | |
93 | ||
fb2646ab | 94 | quiet_cmd_zld = LD $@ |
d503ac53 | 95 | cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
70342287 | 96 | quiet_cmd_strip = STRIP $@ |
5089ca9d | 97 | cmd_strip = $(STRIP) -s $@ |
3c4b7fde WZ |
98 | vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr |
99 | $(call cmd,zld) | |
5089ca9d | 100 | $(call cmd,strip) |
1b93b3c3 WZ |
101 | |
102 | # | |
103 | # Some DECstations need all possible sections of an ECOFF executable | |
104 | # | |
105 | ifdef CONFIG_MACH_DECSTATION | |
35eaa1e9 | 106 | e2eflag := -a |
1b93b3c3 WZ |
107 | endif |
108 | ||
109 | # elf2ecoff can only handle 32bit image | |
3c4b7fde | 110 | hostprogs-y += ../elf2ecoff |
1b93b3c3 WZ |
111 | |
112 | ifdef CONFIG_32BIT | |
113 | VMLINUZ = vmlinuz | |
114 | else | |
115 | VMLINUZ = vmlinuz.32 | |
116 | endif | |
117 | ||
35eaa1e9 SR |
118 | quiet_cmd_32 = OBJCOPY $@ |
119 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1b93b3c3 | 120 | vmlinuz.32: vmlinuz |
35eaa1e9 | 121 | $(call cmd,32) |
1b93b3c3 | 122 | |
70342287 | 123 | quiet_cmd_ecoff = ECOFF $@ |
35eaa1e9 | 124 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
1b93b3c3 | 125 | vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) |
35eaa1e9 | 126 | $(call cmd,ecoff) |
1b93b3c3 | 127 | |
d4d9a553 | 128 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
1b93b3c3 | 129 | vmlinuz.bin: vmlinuz |
35eaa1e9 | 130 | $(call cmd,objcopy) |
1b93b3c3 | 131 | |
d4d9a553 | 132 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
1b93b3c3 | 133 | vmlinuz.srec: vmlinuz |
35eaa1e9 | 134 | $(call cmd,objcopy) |
1b93b3c3 | 135 | |
ccebb88a MH |
136 | uzImage.bin: vmlinuz.bin FORCE |
137 | $(call if_changed,uimage,none) | |
138 | ||
5f2483eb JH |
139 | clean-files += $(objtree)/vmlinuz |
140 | clean-files += $(objtree)/vmlinuz.32 | |
141 | clean-files += $(objtree)/vmlinuz.ecoff | |
142 | clean-files += $(objtree)/vmlinuz.bin | |
143 | clean-files += $(objtree)/vmlinuz.srec |