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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 | ||
1b93b3c3 WZ |
15 | # set the default size of the mallocing area for decompressing |
16 | BOOT_HEAP_SIZE := 0x400000 | |
17 | ||
18 | # Disable Function Tracer | |
19 | KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//") | |
20 | ||
23df3415 MC |
21 | KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS)) |
22 | ||
1b93b3c3 | 23 | KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ |
dac2965c | 24 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" |
1b93b3c3 WZ |
25 | |
26 | KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ | |
dac2965c | 27 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ |
3185557d | 28 | -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) |
1b93b3c3 | 29 | |
35eaa1e9 SR |
30 | targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o |
31 | ||
32 | # decompressor objects (linked with vmlinuz) | |
33 | vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o | |
1b93b3c3 | 34 | |
f86a69b1 | 35 | ifdef CONFIG_DEBUG_ZBOOT |
35eaa1e9 | 36 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o |
42a4f17d | 37 | vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o |
f86a69b1 | 38 | endif |
1b93b3c3 | 39 | |
4e23eb63 FF |
40 | ifdef CONFIG_KERNEL_XZ |
41 | vmlinuzobjs-y += $(obj)/../../lib/ashldi3.o | |
42 | endif | |
43 | ||
35eaa1e9 | 44 | targets += vmlinux.bin |
1b93b3c3 | 45 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
35eaa1e9 | 46 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
1b93b3c3 WZ |
47 | $(call if_changed,objcopy) |
48 | ||
1b93b3c3 WZ |
49 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
50 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 | |
51 | tool_$(CONFIG_KERNEL_LZMA) = lzma | |
fe1d45e0 | 52 | tool_$(CONFIG_KERNEL_LZO) = lzo |
4e23eb63 | 53 | tool_$(CONFIG_KERNEL_XZ) = xzkern |
35eaa1e9 | 54 | |
c853d945 WZ |
55 | targets += vmlinux.bin.z |
56 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE | |
1b93b3c3 WZ |
57 | $(call if_changed,$(tool_y)) |
58 | ||
35eaa1e9 | 59 | targets += piggy.o |
c853d945 | 60 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
70342287 | 61 | --set-section-flags=.image=contents,alloc,load,readonly,data |
c853d945 | 62 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
35eaa1e9 | 63 | $(call if_changed,objcopy) |
1b93b3c3 | 64 | |
3c4b7fde WZ |
65 | # Calculate the load address of the compressed kernel image |
66 | hostprogs-y := calc_vmlinuz_load_addr | |
67 | ||
f9c9affc LBR |
68 | ifeq ($(CONFIG_MACH_JZ4740),y) |
69 | VMLINUZ_LOAD_ADDRESS := 0x80600000 | |
70 | else | |
3c4b7fde | 71 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
2ccc5b15 | 72 | $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) |
f9c9affc | 73 | endif |
3c4b7fde WZ |
74 | |
75 | vmlinuzobjs-y += $(obj)/piggy.o | |
76 | ||
70342287 | 77 | quiet_cmd_zld = LD $@ |
3c4b7fde | 78 | cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
70342287 | 79 | quiet_cmd_strip = STRIP $@ |
5089ca9d | 80 | cmd_strip = $(STRIP) -s $@ |
3c4b7fde WZ |
81 | vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr |
82 | $(call cmd,zld) | |
5089ca9d | 83 | $(call cmd,strip) |
1b93b3c3 WZ |
84 | |
85 | # | |
86 | # Some DECstations need all possible sections of an ECOFF executable | |
87 | # | |
88 | ifdef CONFIG_MACH_DECSTATION | |
35eaa1e9 | 89 | e2eflag := -a |
1b93b3c3 WZ |
90 | endif |
91 | ||
92 | # elf2ecoff can only handle 32bit image | |
3c4b7fde | 93 | hostprogs-y += ../elf2ecoff |
1b93b3c3 WZ |
94 | |
95 | ifdef CONFIG_32BIT | |
96 | VMLINUZ = vmlinuz | |
97 | else | |
98 | VMLINUZ = vmlinuz.32 | |
99 | endif | |
100 | ||
35eaa1e9 SR |
101 | quiet_cmd_32 = OBJCOPY $@ |
102 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
1b93b3c3 | 103 | vmlinuz.32: vmlinuz |
35eaa1e9 | 104 | $(call cmd,32) |
1b93b3c3 | 105 | |
70342287 | 106 | quiet_cmd_ecoff = ECOFF $@ |
35eaa1e9 | 107 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
1b93b3c3 | 108 | vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) |
35eaa1e9 | 109 | $(call cmd,ecoff) |
1b93b3c3 | 110 | |
d4d9a553 | 111 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
1b93b3c3 | 112 | vmlinuz.bin: vmlinuz |
35eaa1e9 | 113 | $(call cmd,objcopy) |
1b93b3c3 | 114 | |
d4d9a553 | 115 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
1b93b3c3 | 116 | vmlinuz.srec: vmlinuz |
35eaa1e9 | 117 | $(call cmd,objcopy) |
1b93b3c3 | 118 | |
ec335292 | 119 | clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} |