Commit | Line | Data |
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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 | |
21 | KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//") | |
22 | ||
23df3415 MC |
23 | KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS)) |
24 | ||
1b93b3c3 | 25 | KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ |
dac2965c | 26 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" |
1b93b3c3 WZ |
27 | |
28 | KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ | |
dac2965c | 29 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ |
3185557d | 30 | -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) |
1b93b3c3 | 31 | |
dc4d7b37 | 32 | targets := head.o decompress.o string.o dbg.o uart-16550.o uart-alchemy.o |
35eaa1e9 SR |
33 | |
34 | # decompressor objects (linked with vmlinuz) | |
7ae7ef3f | 35 | vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o |
1b93b3c3 | 36 | |
f86a69b1 | 37 | ifdef CONFIG_DEBUG_ZBOOT |
7ae7ef3f | 38 | vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o |
35eaa1e9 | 39 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o |
42a4f17d | 40 | vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o |
f86a69b1 | 41 | endif |
1b93b3c3 | 42 | |
4e23eb63 FF |
43 | ifdef CONFIG_KERNEL_XZ |
44 | vmlinuzobjs-y += $(obj)/../../lib/ashldi3.o | |
45 | endif | |
46 | ||
35eaa1e9 | 47 | targets += vmlinux.bin |
1b93b3c3 | 48 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
35eaa1e9 | 49 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
1b93b3c3 WZ |
50 | $(call if_changed,objcopy) |
51 | ||
1b93b3c3 WZ |
52 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
53 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 | |
31c4867d | 54 | tool_$(CONFIG_KERNEL_LZ4) = lz4 |
1b93b3c3 | 55 | tool_$(CONFIG_KERNEL_LZMA) = lzma |
fe1d45e0 | 56 | tool_$(CONFIG_KERNEL_LZO) = lzo |
4e23eb63 | 57 | tool_$(CONFIG_KERNEL_XZ) = xzkern |
35eaa1e9 | 58 | |
c853d945 WZ |
59 | targets += vmlinux.bin.z |
60 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE | |
1b93b3c3 WZ |
61 | $(call if_changed,$(tool_y)) |
62 | ||
35eaa1e9 | 63 | targets += piggy.o |
c853d945 | 64 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
70342287 | 65 | --set-section-flags=.image=contents,alloc,load,readonly,data |
c853d945 | 66 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
35eaa1e9 | 67 | $(call if_changed,objcopy) |
1b93b3c3 | 68 | |
3c4b7fde WZ |
69 | # Calculate the load address of the compressed kernel image |
70 | hostprogs-y := calc_vmlinuz_load_addr | |
71 | ||
b76a4c1a AB |
72 | ifneq ($(zload-y),) |
73 | VMLINUZ_LOAD_ADDRESS := $(zload-y) | |
f9c9affc | 74 | else |
3c4b7fde | 75 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
2ccc5b15 | 76 | $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) |
f9c9affc | 77 | endif |
3c4b7fde WZ |
78 | |
79 | vmlinuzobjs-y += $(obj)/piggy.o | |
80 | ||
fb2646ab | 81 | quiet_cmd_zld = LD $@ |
3c4b7fde | 82 | cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
70342287 | 83 | quiet_cmd_strip = STRIP $@ |
5089ca9d | 84 | cmd_strip = $(STRIP) -s $@ |
3c4b7fde WZ |
85 | vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr |
86 | $(call cmd,zld) | |
5089ca9d | 87 | $(call cmd,strip) |
1b93b3c3 WZ |
88 | |
89 | # | |
90 | # Some DECstations need all possible sections of an ECOFF executable | |
91 | # | |
92 | ifdef CONFIG_MACH_DECSTATION | |
35eaa1e9 | 93 | e2eflag := -a |
1b93b3c3 WZ |
94 | endif |
95 | ||
96 | # elf2ecoff can only handle 32bit image | |
3c4b7fde | 97 | hostprogs-y += ../elf2ecoff |
1b93b3c3 WZ |
98 | |
99 | ifdef CONFIG_32BIT | |
100 | VMLINUZ = vmlinuz | |
101 | else | |
102 | VMLINUZ = vmlinuz.32 | |
103 | endif | |
104 | ||
35eaa1e9 SR |
105 | quiet_cmd_32 = OBJCOPY $@ |
106 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1b93b3c3 | 107 | vmlinuz.32: vmlinuz |
35eaa1e9 | 108 | $(call cmd,32) |
1b93b3c3 | 109 | |
70342287 | 110 | quiet_cmd_ecoff = ECOFF $@ |
35eaa1e9 | 111 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
1b93b3c3 | 112 | vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) |
35eaa1e9 | 113 | $(call cmd,ecoff) |
1b93b3c3 | 114 | |
d4d9a553 | 115 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
1b93b3c3 | 116 | vmlinuz.bin: vmlinuz |
35eaa1e9 | 117 | $(call cmd,objcopy) |
1b93b3c3 | 118 | |
d4d9a553 | 119 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
1b93b3c3 | 120 | vmlinuz.srec: vmlinuz |
35eaa1e9 | 121 | $(call cmd,objcopy) |
1b93b3c3 | 122 | |
ec335292 | 123 | clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} |