diff options
Diffstat (limited to 'arch/mips/boot/compressed/Makefile')
-rw-r--r-- | arch/mips/boot/compressed/Makefile | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile new file mode 100644 index 000000000000..e27f40bbd4e5 --- /dev/null +++ b/arch/mips/boot/compressed/Makefile | |||
@@ -0,0 +1,100 @@ | |||
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 <wuzj@lemote.com> | ||
13 | # | ||
14 | |||
15 | # compressed kernel load addr: VMLINUZ_LOAD_ADDRESS > VMLINUX_LOAD_ADDRESS + VMLINUX_SIZE | ||
16 | VMLINUX_SIZE := $(shell wc -c $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | cut -d' ' -f1) | ||
17 | VMLINUX_SIZE := $(shell [ -n "$(VMLINUX_SIZE)" ] && echo $$(($(VMLINUX_SIZE) + (65536 - $(VMLINUX_SIZE) % 65536)))) | ||
18 | VMLINUZ_LOAD_ADDRESS := 0x$(shell [ -n "$(VMLINUX_SIZE)" ] && printf %x $$(($(VMLINUX_LOAD_ADDRESS) + $(VMLINUX_SIZE)))) | ||
19 | |||
20 | # set the default size of the mallocing area for decompressing | ||
21 | BOOT_HEAP_SIZE := 0x400000 | ||
22 | |||
23 | # Disable Function Tracer | ||
24 | KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//") | ||
25 | |||
26 | KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \ | ||
27 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" \ | ||
28 | |||
29 | KBUILD_AFLAGS := $(LINUXINCLUDE) $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ | ||
30 | -DKERNEL_ENTRY=0x$(shell $(NM) $(objtree)/$(KBUILD_IMAGE) 2>/dev/null | grep " kernel_entry" | cut -f1 -d \ ) \ | ||
31 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) | ||
32 | |||
33 | obj-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o | ||
34 | |||
35 | obj-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o | ||
36 | |||
37 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S | ||
38 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) | ||
39 | $(call if_changed,objcopy) | ||
40 | |||
41 | suffix_$(CONFIG_KERNEL_GZIP) = gz | ||
42 | suffix_$(CONFIG_KERNEL_BZIP2) = bz2 | ||
43 | suffix_$(CONFIG_KERNEL_LZMA) = lzma | ||
44 | tool_$(CONFIG_KERNEL_GZIP) = gzip | ||
45 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 | ||
46 | tool_$(CONFIG_KERNEL_LZMA) = lzma | ||
47 | $(obj)/vmlinux.$(suffix_y): $(obj)/vmlinux.bin | ||
48 | $(call if_changed,$(tool_y)) | ||
49 | |||
50 | $(obj)/piggy.o: $(obj)/vmlinux.$(suffix_y) $(obj)/dummy.o | ||
51 | $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) \ | ||
52 | --add-section=.image=$< \ | ||
53 | --set-section-flags=.image=contents,alloc,load,readonly,data \ | ||
54 | $(obj)/dummy.o $@ | ||
55 | |||
56 | LDFLAGS_vmlinuz := $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T | ||
57 | vmlinuz: $(src)/ld.script $(obj-y) $(obj)/piggy.o | ||
58 | $(call if_changed,ld) | ||
59 | $(Q)$(OBJCOPY) $(OBJCOPYFLAGS) -R .comment -R .stab -R .stabstr -R .initrd -R .sysmap $@ | ||
60 | |||
61 | # | ||
62 | # Some DECstations need all possible sections of an ECOFF executable | ||
63 | # | ||
64 | ifdef CONFIG_MACH_DECSTATION | ||
65 | E2EFLAGS = -a | ||
66 | else | ||
67 | E2EFLAGS = | ||
68 | endif | ||
69 | |||
70 | # elf2ecoff can only handle 32bit image | ||
71 | |||
72 | ifdef CONFIG_32BIT | ||
73 | VMLINUZ = vmlinuz | ||
74 | else | ||
75 | VMLINUZ = vmlinuz.32 | ||
76 | endif | ||
77 | |||
78 | vmlinuz.32: vmlinuz | ||
79 | $(Q)$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | ||
80 | |||
81 | vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ) | ||
82 | $(Q)$(obj)/../elf2ecoff $(VMLINUZ) vmlinuz.ecoff $(E2EFLAGS) | ||
83 | |||
84 | $(obj)/../elf2ecoff: $(src)/../elf2ecoff.c | ||
85 | $(Q)$(HOSTCC) -o $@ $^ | ||
86 | |||
87 | drop-sections = .reginfo .mdebug .comment .note .pdr .options .MIPS.options | ||
88 | strip-flags = $(addprefix --remove-section=,$(drop-sections)) | ||
89 | |||
90 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary $(strip-flags) | ||
91 | vmlinuz.bin: vmlinuz | ||
92 | $(call if_changed,objcopy) | ||
93 | |||
94 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec $(strip-flags) | ||
95 | vmlinuz.srec: vmlinuz | ||
96 | $(call if_changed,objcopy) | ||
97 | |||
98 | clean: | ||
99 | clean-files += *.o \ | ||
100 | vmlinu* | ||