Commit | Line | Data |
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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 | |
1b6bc35a | 21 | KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE), $(KBUILD_CFLAGS)) |
1b93b3c3 | 22 | |
23df3415 MC |
23 | KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS)) |
24 | ||
195615ec HC |
25 | # Disable lq/sq in zboot |
26 | ifdef CONFIG_CPU_LOONGSON64 | |
27 | KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2 | |
28 | endif | |
29 | ||
a510b616 | 30 | KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \ |
dac2965c | 31 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull" |
1b93b3c3 | 32 | |
e4c64e6f | 33 | KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \ |
dac2965c | 34 | -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \ |
3185557d | 35 | -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS) |
1b93b3c3 | 36 | |
35eaa1e9 | 37 | # decompressor objects (linked with vmlinuz) |
cddc40f5 | 38 | vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o |
1b93b3c3 | 39 | |
f86a69b1 | 40 | ifdef CONFIG_DEBUG_ZBOOT |
7ae7ef3f | 41 | vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o |
35eaa1e9 | 42 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o |
dbb98314 | 43 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o |
42a4f17d | 44 | vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o |
b3f0a250 | 45 | vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o |
f86a69b1 | 46 | endif |
1b93b3c3 | 47 | |
cddc40f5 | 48 | vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o |
25f66096 | 49 | |
c5c7440f | 50 | vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o $(obj)/clz_ctz.o |
e2f4b3be | 51 | |
25f66096 | 52 | targets := $(notdir $(vmlinuzobjs-y)) |
4e23eb63 | 53 | |
35eaa1e9 | 54 | targets += vmlinux.bin |
9d63bcb8 | 55 | |
1b93b3c3 | 56 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
9d63bcb8 | 57 | |
35eaa1e9 | 58 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
1b93b3c3 WZ |
59 | $(call if_changed,objcopy) |
60 | ||
1b93b3c3 | 61 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
7ce7e984 MY |
62 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2_with_size |
63 | tool_$(CONFIG_KERNEL_LZ4) = lz4_with_size | |
64 | tool_$(CONFIG_KERNEL_LZMA) = lzma_with_size | |
65 | tool_$(CONFIG_KERNEL_LZO) = lzo_with_size | |
66 | tool_$(CONFIG_KERNEL_XZ) = xzkern_with_size | |
67 | tool_$(CONFIG_KERNEL_ZSTD) = zstd22_with_size | |
35eaa1e9 | 68 | |
c853d945 | 69 | targets += vmlinux.bin.z |
9d63bcb8 | 70 | |
c853d945 | 71 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE |
1b93b3c3 WZ |
72 | $(call if_changed,$(tool_y)) |
73 | ||
25f66096 | 74 | targets += piggy.o dummy.o |
9d63bcb8 | 75 | |
c853d945 | 76 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
70342287 | 77 | --set-section-flags=.image=contents,alloc,load,readonly,data |
9d63bcb8 | 78 | |
c853d945 | 79 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
35eaa1e9 | 80 | $(call if_changed,objcopy) |
1b93b3c3 | 81 | |
1196364f KDB |
82 | HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE) |
83 | ||
3c4b7fde | 84 | # Calculate the load address of the compressed kernel image |
5f2fb52f | 85 | hostprogs := calc_vmlinuz_load_addr |
3c4b7fde | 86 | |
79876cc1 YS |
87 | ifneq (0x0,$(CONFIG_ZBOOT_LOAD_ADDRESS)) |
88 | zload-y = $(CONFIG_ZBOOT_LOAD_ADDRESS) | |
89 | endif | |
90 | ||
b76a4c1a AB |
91 | ifneq ($(zload-y),) |
92 | VMLINUZ_LOAD_ADDRESS := $(zload-y) | |
f9c9affc | 93 | else |
3c4b7fde | 94 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
ff487d41 | 95 | $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS)) |
f9c9affc | 96 | endif |
ccebb88a | 97 | UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) |
3c4b7fde WZ |
98 | |
99 | vmlinuzobjs-y += $(obj)/piggy.o | |
100 | ||
9d63bcb8 AL |
101 | targets += ../../../../vmlinuz |
102 | ||
fb2646ab | 103 | quiet_cmd_zld = LD $@ |
d503ac53 | 104 | cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
9d63bcb8 | 105 | quiet_cmd_strip = STRIP $@ |
5089ca9d | 106 | cmd_strip = $(STRIP) -s $@ |
9d63bcb8 AL |
107 | |
108 | $(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr | |
3c4b7fde | 109 | $(call cmd,zld) |
5089ca9d | 110 | $(call cmd,strip) |
1b93b3c3 | 111 | |
9d63bcb8 AL |
112 | objboot := $(objtree)/arch/mips/boot |
113 | ||
114 | $(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE | |
115 | ||
1b93b3c3 WZ |
116 | # |
117 | # Some DECstations need all possible sections of an ECOFF executable | |
118 | # | |
119 | ifdef CONFIG_MACH_DECSTATION | |
35eaa1e9 | 120 | e2eflag := -a |
1b93b3c3 WZ |
121 | endif |
122 | ||
123 | # elf2ecoff can only handle 32bit image | |
5f2fb52f | 124 | hostprogs += ../elf2ecoff |
1b93b3c3 WZ |
125 | |
126 | ifdef CONFIG_32BIT | |
9d63bcb8 | 127 | VMLINUZ = $(objtree)/vmlinuz |
1b93b3c3 | 128 | else |
9d63bcb8 | 129 | VMLINUZ = $(objboot)/vmlinuz.32 |
1b93b3c3 WZ |
130 | endif |
131 | ||
9d63bcb8 AL |
132 | targets += ../vmlinuz.32 |
133 | ||
35eaa1e9 SR |
134 | quiet_cmd_32 = OBJCOPY $@ |
135 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
9d63bcb8 AL |
136 | |
137 | $(objboot)/vmlinuz.32: $(objtree)/vmlinuz | |
35eaa1e9 | 138 | $(call cmd,32) |
1b93b3c3 | 139 | |
9d63bcb8 AL |
140 | targets += ../vmlinuz.ecoff |
141 | ||
70342287 | 142 | quiet_cmd_ecoff = ECOFF $@ |
35eaa1e9 | 143 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
9d63bcb8 AL |
144 | |
145 | $(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff $(VMLINUZ) | |
35eaa1e9 | 146 | $(call cmd,ecoff) |
1b93b3c3 | 147 | |
9d63bcb8 AL |
148 | targets += ../vmlinuz.bin |
149 | ||
d4d9a553 | 150 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
9d63bcb8 AL |
151 | |
152 | $(objboot)/vmlinuz.bin: $(objtree)/vmlinuz | |
35eaa1e9 | 153 | $(call cmd,objcopy) |
1b93b3c3 | 154 | |
9d63bcb8 AL |
155 | targets += ../vmlinuz.srec |
156 | ||
d4d9a553 | 157 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
9d63bcb8 AL |
158 | |
159 | $(objboot)/vmlinuz.srec: $(objtree)/vmlinuz | |
35eaa1e9 | 160 | $(call cmd,objcopy) |
1b93b3c3 | 161 | |
9d63bcb8 | 162 | targets += ../uzImage.bin |
ccebb88a | 163 | |
9d63bcb8 AL |
164 | $(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin FORCE |
165 | $(call if_changed,uimage,none) | |
a3fb6550 AL |
166 | |
167 | # | |
168 | # Flattened Image Tree (.itb) image | |
169 | # | |
170 | ||
171 | ifeq ($(ADDR_BITS),32) | |
172 | itb_addr_cells = 1 | |
173 | endif | |
174 | ifeq ($(ADDR_BITS),64) | |
175 | itb_addr_cells = 2 | |
176 | endif | |
177 | ||
178 | targets += ../vmlinuz.its.S | |
179 | ||
180 | quiet_cmd_its_cat = CAT $@ | |
181 | cmd_its_cat = cat $(real-prereqs) >$@ | |
182 | ||
183 | $(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE | |
184 | $(call if_changed,its_cat) | |
185 | ||
186 | targets += ../vmlinuz.its | |
187 | ||
188 | quiet_cmd_cpp_its_S = ITS $@ | |
189 | cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \ | |
190 | -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \ | |
191 | -DVMLINUX_BINARY="\"$(2)\"" \ | |
192 | -DVMLINUX_COMPRESSION="\"none\"" \ | |
193 | -DVMLINUX_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ | |
194 | -DVMLINUX_ENTRY_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ | |
195 | -DADDR_BITS=$(ADDR_BITS) \ | |
196 | -DADDR_CELLS=$(itb_addr_cells) | |
197 | ||
198 | $(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its.S FORCE | |
199 | $(call if_changed,cpp_its_S,vmlinuz.bin) | |
200 | ||
201 | targets += ../vmlinuz.itb | |
202 | ||
203 | quiet_cmd_itb-image = ITB $@ | |
204 | cmd_itb-image = \ | |
205 | env PATH="$(objtree)/scripts/dtc:$(PATH)" \ | |
206 | $(BASH) $(MKIMAGE) \ | |
207 | -D "-I dts -O dtb -p 500 \ | |
208 | --include $(objtree)/arch/mips \ | |
209 | --warning no-unit_address_vs_reg" \ | |
210 | -f $(2) $@ | |
211 | ||
212 | $(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE | |
213 | $(call if_changed,itb-image,$<) |