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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
15include $(srctree)/arch/mips/Kbuild.platforms
16
17# set the default size of the mallocing area for decompressing
18BOOT_HEAP_SIZE := 0x400000
19
20# Disable Function Tracer
21KBUILD_CFLAGS := $(filter-out -pg, $(KBUILD_CFLAGS))
22
23KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
24
25KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ \
26 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
27
28KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
29 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
30 -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
31
32# decompressor objects (linked with vmlinuz)
33vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
34
35ifdef CONFIG_DEBUG_ZBOOT
36vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
37vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
38vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
39vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
40vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o
41endif
42
43extra-y += uart-ath79.c
44$(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
45 $(call cmd,shipped)
46
47vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o
48
49extra-y += ashldi3.c
50$(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE
51 $(call if_changed,shipped)
52
53extra-y += bswapsi.c
54$(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE
55 $(call if_changed,shipped)
56
57targets := $(notdir $(vmlinuzobjs-y))
58
59targets += vmlinux.bin
60OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
61$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
62 $(call if_changed,objcopy)
63
64tool_$(CONFIG_KERNEL_GZIP) = gzip
65tool_$(CONFIG_KERNEL_BZIP2) = bzip2
66tool_$(CONFIG_KERNEL_LZ4) = lz4
67tool_$(CONFIG_KERNEL_LZMA) = lzma
68tool_$(CONFIG_KERNEL_LZO) = lzo
69tool_$(CONFIG_KERNEL_XZ) = xzkern
70
71targets += vmlinux.bin.z
72$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
73 $(call if_changed,$(tool_y))
74
75targets += piggy.o dummy.o
76OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
77 --set-section-flags=.image=contents,alloc,load,readonly,data
78$(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
79 $(call if_changed,objcopy)
80
81HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
82
83# Calculate the load address of the compressed kernel image
84hostprogs-y := calc_vmlinuz_load_addr
85
86ifneq ($(zload-y),)
87VMLINUZ_LOAD_ADDRESS := $(zload-y)
88else
89VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
90 $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
91endif
92UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
93
94vmlinuzobjs-y += $(obj)/piggy.o
95
96quiet_cmd_zld = LD $@
97 cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
98quiet_cmd_strip = STRIP $@
99 cmd_strip = $(STRIP) -s $@
100vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
101 $(call cmd,zld)
102 $(call cmd,strip)
103
104#
105# Some DECstations need all possible sections of an ECOFF executable
106#
107ifdef CONFIG_MACH_DECSTATION
108 e2eflag := -a
109endif
110
111# elf2ecoff can only handle 32bit image
112hostprogs-y += ../elf2ecoff
113
114ifdef CONFIG_32BIT
115 VMLINUZ = vmlinuz
116else
117 VMLINUZ = vmlinuz.32
118endif
119
120quiet_cmd_32 = OBJCOPY $@
121 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
122vmlinuz.32: vmlinuz
123 $(call cmd,32)
124
125quiet_cmd_ecoff = ECOFF $@
126 cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
127vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
128 $(call cmd,ecoff)
129
130OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
131vmlinuz.bin: vmlinuz
132 $(call cmd,objcopy)
133
134OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
135vmlinuz.srec: vmlinuz
136 $(call cmd,objcopy)
137
138uzImage.bin: vmlinuz.bin FORCE
139 $(call if_changed,uimage,none)
140
141clean-files += $(objtree)/vmlinuz
142clean-files += $(objtree)/vmlinuz.32
143clean-files += $(objtree)/vmlinuz.ecoff
144clean-files += $(objtree)/vmlinuz.bin
145clean-files += $(objtree)/vmlinuz.srec
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
16BOOT_HEAP_SIZE := 0x400000
17
18# Disable Function Tracer
19KBUILD_CFLAGS := $(shell echo $(KBUILD_CFLAGS) | sed -e "s/-pg//")
20
21KBUILD_CFLAGS := $(LINUXINCLUDE) $(KBUILD_CFLAGS) -D__KERNEL__ \
22 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
23
24KBUILD_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
28targets := head.o decompress.o dbg.o uart-16550.o uart-alchemy.o
29
30# decompressor objects (linked with vmlinuz)
31vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/dbg.o
32
33ifdef CONFIG_DEBUG_ZBOOT
34vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
35vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
36endif
37
38targets += vmlinux.bin
39OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
40$(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
41 $(call if_changed,objcopy)
42
43tool_$(CONFIG_KERNEL_GZIP) = gzip
44tool_$(CONFIG_KERNEL_BZIP2) = bzip2
45tool_$(CONFIG_KERNEL_LZMA) = lzma
46tool_$(CONFIG_KERNEL_LZO) = lzo
47
48targets += vmlinux.bin.z
49$(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
50 $(call if_changed,$(tool_y))
51
52targets += piggy.o
53OBJCOPYFLAGS_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
59hostprogs-y := calc_vmlinuz_load_addr
60
61VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
62 $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
63
64vmlinuzobjs-y += $(obj)/piggy.o
65
66quiet_cmd_zld = LD $@
67 cmd_zld = $(LD) $(LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
68quiet_cmd_strip = STRIP $@
69 cmd_strip = $(STRIP) -s $@
70vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
71 $(call cmd,zld)
72 $(call cmd,strip)
73
74#
75# Some DECstations need all possible sections of an ECOFF executable
76#
77ifdef CONFIG_MACH_DECSTATION
78 e2eflag := -a
79endif
80
81# elf2ecoff can only handle 32bit image
82hostprogs-y += ../elf2ecoff
83
84ifdef CONFIG_32BIT
85 VMLINUZ = vmlinuz
86else
87 VMLINUZ = vmlinuz.32
88endif
89
90quiet_cmd_32 = OBJCOPY $@
91 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
92vmlinuz.32: vmlinuz
93 $(call cmd,32)
94
95quiet_cmd_ecoff = ECOFF $@
96 cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
97vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
98 $(call cmd,ecoff)
99
100OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
101vmlinuz.bin: vmlinuz
102 $(call cmd,objcopy)
103
104OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
105vmlinuz.srec: vmlinuz
106 $(call cmd,objcopy)
107
108clean-files := $(objtree)/vmlinuz $(objtree)/vmlinuz.{32,ecoff,bin,srec}