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Source at commit 6feb62833d9875a9da762d3fbb9f97881166c4ca created 13 years 10 months ago. By Maarten ter Huurne, MIPS: JZ4740: A320: Force vmlinuz load address on Dingoo A320 | |
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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 |
12 | # Author: Wu Zhangjin <wuzhangjin@gmail.com> |
13 | # |
14 | |
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 | |
21 | KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ |
22 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" |
23 | |
24 | KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ |
25 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ |
26 | -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) |
27 | |
28 | targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o |
29 | |
30 | # decompressor objects (linked with vmlinuz) |
31 | vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o |
32 | |
33 | ifdef CONFIG_DEBUG_ZBOOT |
34 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o |
35 | vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o |
36 | endif |
37 | |
38 | targets += vmlinux.bin |
39 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
40 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
41 | $(call if_changed,objcopy) |
42 | |
43 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
44 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 |
45 | tool_$(CONFIG_KERNEL_LZMA) = lzma |
46 | tool_$(CONFIG_KERNEL_LZO) = lzo |
47 | |
48 | targets += vmlinux.bin.z |
49 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE |
50 | $(call if_changed,$(tool_y)) |
51 | |
52 | targets += piggy.o |
53 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
54 | --set-section-flags=.image=contents,alloc,load,readonly,data |
55 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
56 | $(call if_changed,objcopy) |
57 | |
58 | # Calculate the load address of the compressed kernel image |
59 | hostprogs-y := calc_vmlinuz_load_addr |
60 | |
61 | ifeq ($(CONFIG_JZ4740_A320),y) |
62 | VMLINUZ_LOAD_ADDRESS = 0x80600000 |
63 | else |
64 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
65 | $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS)) |
66 | endif |
67 | |
68 | vmlinuzobjs-y += $(obj)/piggy.o |
69 | |
70 | quiet_cmd_zld = LD $@ |
71 | cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
72 | quiet_cmd_strip = STRIP $@ |
73 | cmd_strip = $(STRIP) -s $@ |
74 | vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr |
75 | $(call cmd,zld) |
76 | $(call cmd,strip) |
77 | |
78 | # |
79 | # Some DECstations need all possible sections of an ECOFF executable |
80 | # |
81 | ifdef CONFIG_MACH_DECSTATION |
82 | e2eflag := -a |
83 | endif |
84 | |
85 | # elf2ecoff can only handle 32bit image |
86 | hostprogs-y += ../elf2ecoff |
87 | |
88 | ifdef CONFIG_32BIT |
89 | VMLINUZ = vmlinuz |
90 | else |
91 | VMLINUZ = vmlinuz.32 |
92 | endif |
93 | |
94 | quiet_cmd_32 = OBJCOPY $@ |
95 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ |
96 | vmlinuz.32: vmlinuz |
97 | $(call cmd,32) |
98 | |
99 | quiet_cmd_ecoff = ECOFF $@ |
100 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
101 | vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) |
102 | $(call cmd,ecoff) |
103 | |
104 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
105 | vmlinuz.bin: vmlinuz |
106 | $(call cmd,objcopy) |
107 | |
108 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
109 | vmlinuz.srec: vmlinuz |
110 | $(call cmd,objcopy) |
111 | |
112 | clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec} |
113 |
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