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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 | |
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) += $(obj)/uart-alchemy.o |
f86a69b1 | 40 | endif |
1b93b3c3 | 41 | |
c50ec678 | 42 | vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o |
25f66096 | 43 | |
8961b28f | 44 | extra-y += ashldi3.c bswapsi.c |
c50ec678 AB |
45 | $(obj)/ashldi3.o $(obj)/bswapsi.o: KBUILD_CFLAGS += -I$(srctree)/arch/mips/lib |
46 | $(obj)/ashldi3.c $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c | |
25f66096 AB |
47 | $(call cmd,shipped) |
48 | ||
49 | targets := $(notdir $(vmlinuzobjs-y)) | |
4e23eb63 | 50 | |
35eaa1e9 | 51 | targets += vmlinux.bin |
1b93b3c3 | 52 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
35eaa1e9 | 53 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
1b93b3c3 WZ |
54 | $(call if_changed,objcopy) |
55 | ||
1b93b3c3 WZ |
56 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
57 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 | |
31c4867d | 58 | tool_$(CONFIG_KERNEL_LZ4) = lz4 |
1b93b3c3 | 59 | tool_$(CONFIG_KERNEL_LZMA) = lzma |
fe1d45e0 | 60 | tool_$(CONFIG_KERNEL_LZO) = lzo |
4e23eb63 | 61 | tool_$(CONFIG_KERNEL_XZ) = xzkern |
35eaa1e9 | 62 | |
c853d945 WZ |
63 | targets += vmlinux.bin.z |
64 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE | |
1b93b3c3 WZ |
65 | $(call if_changed,$(tool_y)) |
66 | ||
25f66096 | 67 | targets += piggy.o dummy.o |
c853d945 | 68 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
70342287 | 69 | --set-section-flags=.image=contents,alloc,load,readonly,data |
c853d945 | 70 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
35eaa1e9 | 71 | $(call if_changed,objcopy) |
1b93b3c3 | 72 | |
3c4b7fde WZ |
73 | # Calculate the load address of the compressed kernel image |
74 | hostprogs-y := calc_vmlinuz_load_addr | |
75 | ||
b76a4c1a AB |
76 | ifneq ($(zload-y),) |
77 | VMLINUZ_LOAD_ADDRESS := $(zload-y) | |
f9c9affc | 78 | else |
3c4b7fde | 79 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
2ccc5b15 | 80 | $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) |
f9c9affc | 81 | endif |
3c4b7fde WZ |
82 | |
83 | vmlinuzobjs-y += $(obj)/piggy.o | |
84 | ||
fb2646ab | 85 | quiet_cmd_zld = LD $@ |
3c4b7fde | 86 | cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
70342287 | 87 | quiet_cmd_strip = STRIP $@ |
5089ca9d | 88 | cmd_strip = $(STRIP) -s $@ |
3c4b7fde WZ |
89 | vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr |
90 | $(call cmd,zld) | |
5089ca9d | 91 | $(call cmd,strip) |
1b93b3c3 WZ |
92 | |
93 | # | |
94 | # Some DECstations need all possible sections of an ECOFF executable | |
95 | # | |
96 | ifdef CONFIG_MACH_DECSTATION | |
35eaa1e9 | 97 | e2eflag := -a |
1b93b3c3 WZ |
98 | endif |
99 | ||
100 | # elf2ecoff can only handle 32bit image | |
3c4b7fde | 101 | hostprogs-y += ../elf2ecoff |
1b93b3c3 WZ |
102 | |
103 | ifdef CONFIG_32BIT | |
104 | VMLINUZ = vmlinuz | |
105 | else | |
106 | VMLINUZ = vmlinuz.32 | |
107 | endif | |
108 | ||
35eaa1e9 SR |
109 | quiet_cmd_32 = OBJCOPY $@ |
110 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1b93b3c3 | 111 | vmlinuz.32: vmlinuz |
35eaa1e9 | 112 | $(call cmd,32) |
1b93b3c3 | 113 | |
70342287 | 114 | quiet_cmd_ecoff = ECOFF $@ |
35eaa1e9 | 115 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
1b93b3c3 | 116 | vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) |
35eaa1e9 | 117 | $(call cmd,ecoff) |
1b93b3c3 | 118 | |
d4d9a553 | 119 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
1b93b3c3 | 120 | vmlinuz.bin: vmlinuz |
35eaa1e9 | 121 | $(call cmd,objcopy) |
1b93b3c3 | 122 | |
d4d9a553 | 123 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
1b93b3c3 | 124 | vmlinuz.srec: vmlinuz |
35eaa1e9 | 125 | $(call cmd,objcopy) |
1b93b3c3 | 126 | |
ec335292 | 127 | clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} |