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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 | |
209ec69a | 21 | KBUILD_CFLAGS := $(filter-out -pg, $(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 | |
a4a38931 JH |
37 | # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. |
38 | KCOV_INSTRUMENT := n | |
8b3165e5 | 39 | GCOV_PROFILE := n |
feb26e81 | 40 | UBSAN_SANITIZE := n |
a4a38931 | 41 | |
35eaa1e9 | 42 | # decompressor objects (linked with vmlinuz) |
7ae7ef3f | 43 | vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o |
1b93b3c3 | 44 | |
f86a69b1 | 45 | ifdef CONFIG_DEBUG_ZBOOT |
7ae7ef3f | 46 | vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o |
35eaa1e9 | 47 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o |
dbb98314 | 48 | vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o |
42a4f17d | 49 | vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o |
b3f0a250 | 50 | vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o |
f86a69b1 | 51 | endif |
1b93b3c3 | 52 | |
b3f0a250 AB |
53 | extra-y += uart-ath79.c |
54 | $(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c | |
55 | $(call cmd,shipped) | |
56 | ||
c50ec678 | 57 | vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o |
25f66096 | 58 | |
9ed491b8 MR |
59 | extra-y += ashldi3.c |
60 | $(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE | |
61 | $(call if_changed,shipped) | |
62 | ||
63 | extra-y += bswapsi.c | |
64 | $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE | |
65 | $(call if_changed,shipped) | |
25f66096 AB |
66 | |
67 | targets := $(notdir $(vmlinuzobjs-y)) | |
4e23eb63 | 68 | |
35eaa1e9 | 69 | targets += vmlinux.bin |
9d63bcb8 | 70 | |
1b93b3c3 | 71 | OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S |
9d63bcb8 | 72 | |
35eaa1e9 | 73 | $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE |
1b93b3c3 WZ |
74 | $(call if_changed,objcopy) |
75 | ||
1b93b3c3 WZ |
76 | tool_$(CONFIG_KERNEL_GZIP) = gzip |
77 | tool_$(CONFIG_KERNEL_BZIP2) = bzip2 | |
31c4867d | 78 | tool_$(CONFIG_KERNEL_LZ4) = lz4 |
1b93b3c3 | 79 | tool_$(CONFIG_KERNEL_LZMA) = lzma |
fe1d45e0 | 80 | tool_$(CONFIG_KERNEL_LZO) = lzo |
4e23eb63 | 81 | tool_$(CONFIG_KERNEL_XZ) = xzkern |
a510b616 | 82 | tool_$(CONFIG_KERNEL_ZSTD) = zstd22 |
35eaa1e9 | 83 | |
c853d945 | 84 | targets += vmlinux.bin.z |
9d63bcb8 | 85 | |
c853d945 | 86 | $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE |
1b93b3c3 WZ |
87 | $(call if_changed,$(tool_y)) |
88 | ||
25f66096 | 89 | targets += piggy.o dummy.o |
9d63bcb8 | 90 | |
c853d945 | 91 | OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \ |
70342287 | 92 | --set-section-flags=.image=contents,alloc,load,readonly,data |
9d63bcb8 | 93 | |
c853d945 | 94 | $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE |
35eaa1e9 | 95 | $(call if_changed,objcopy) |
1b93b3c3 | 96 | |
1196364f KDB |
97 | HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE) |
98 | ||
3c4b7fde | 99 | # Calculate the load address of the compressed kernel image |
5f2fb52f | 100 | hostprogs := calc_vmlinuz_load_addr |
3c4b7fde | 101 | |
b76a4c1a AB |
102 | ifneq ($(zload-y),) |
103 | VMLINUZ_LOAD_ADDRESS := $(zload-y) | |
f9c9affc | 104 | else |
3c4b7fde | 105 | VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \ |
ff487d41 | 106 | $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS)) |
f9c9affc | 107 | endif |
ccebb88a | 108 | UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS) |
3c4b7fde WZ |
109 | |
110 | vmlinuzobjs-y += $(obj)/piggy.o | |
111 | ||
9d63bcb8 AL |
112 | targets += ../../../../vmlinuz |
113 | ||
fb2646ab | 114 | quiet_cmd_zld = LD $@ |
d503ac53 | 115 | cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@ |
9d63bcb8 | 116 | quiet_cmd_strip = STRIP $@ |
5089ca9d | 117 | cmd_strip = $(STRIP) -s $@ |
9d63bcb8 AL |
118 | |
119 | $(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr | |
3c4b7fde | 120 | $(call cmd,zld) |
5089ca9d | 121 | $(call cmd,strip) |
1b93b3c3 | 122 | |
9d63bcb8 AL |
123 | objboot := $(objtree)/arch/mips/boot |
124 | ||
125 | $(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE | |
126 | ||
1b93b3c3 WZ |
127 | # |
128 | # Some DECstations need all possible sections of an ECOFF executable | |
129 | # | |
130 | ifdef CONFIG_MACH_DECSTATION | |
35eaa1e9 | 131 | e2eflag := -a |
1b93b3c3 WZ |
132 | endif |
133 | ||
134 | # elf2ecoff can only handle 32bit image | |
5f2fb52f | 135 | hostprogs += ../elf2ecoff |
1b93b3c3 WZ |
136 | |
137 | ifdef CONFIG_32BIT | |
9d63bcb8 | 138 | VMLINUZ = $(objtree)/vmlinuz |
1b93b3c3 | 139 | else |
9d63bcb8 | 140 | VMLINUZ = $(objboot)/vmlinuz.32 |
1b93b3c3 WZ |
141 | endif |
142 | ||
9d63bcb8 AL |
143 | targets += ../vmlinuz.32 |
144 | ||
35eaa1e9 SR |
145 | quiet_cmd_32 = OBJCOPY $@ |
146 | cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@ | |
9d63bcb8 AL |
147 | |
148 | $(objboot)/vmlinuz.32: $(objtree)/vmlinuz | |
35eaa1e9 | 149 | $(call cmd,32) |
1b93b3c3 | 150 | |
9d63bcb8 AL |
151 | targets += ../vmlinuz.ecoff |
152 | ||
70342287 | 153 | quiet_cmd_ecoff = ECOFF $@ |
35eaa1e9 | 154 | cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag) |
9d63bcb8 AL |
155 | |
156 | $(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff $(VMLINUZ) | |
35eaa1e9 | 157 | $(call cmd,ecoff) |
1b93b3c3 | 158 | |
9d63bcb8 AL |
159 | targets += ../vmlinuz.bin |
160 | ||
d4d9a553 | 161 | OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary |
9d63bcb8 AL |
162 | |
163 | $(objboot)/vmlinuz.bin: $(objtree)/vmlinuz | |
35eaa1e9 | 164 | $(call cmd,objcopy) |
1b93b3c3 | 165 | |
9d63bcb8 AL |
166 | targets += ../vmlinuz.srec |
167 | ||
d4d9a553 | 168 | OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec |
9d63bcb8 AL |
169 | |
170 | $(objboot)/vmlinuz.srec: $(objtree)/vmlinuz | |
35eaa1e9 | 171 | $(call cmd,objcopy) |
1b93b3c3 | 172 | |
9d63bcb8 | 173 | targets += ../uzImage.bin |
ccebb88a | 174 | |
9d63bcb8 AL |
175 | $(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin FORCE |
176 | $(call if_changed,uimage,none) | |
a3fb6550 AL |
177 | |
178 | # | |
179 | # Flattened Image Tree (.itb) image | |
180 | # | |
181 | ||
182 | ifeq ($(ADDR_BITS),32) | |
183 | itb_addr_cells = 1 | |
184 | endif | |
185 | ifeq ($(ADDR_BITS),64) | |
186 | itb_addr_cells = 2 | |
187 | endif | |
188 | ||
189 | targets += ../vmlinuz.its.S | |
190 | ||
191 | quiet_cmd_its_cat = CAT $@ | |
192 | cmd_its_cat = cat $(real-prereqs) >$@ | |
193 | ||
194 | $(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE | |
195 | $(call if_changed,its_cat) | |
196 | ||
197 | targets += ../vmlinuz.its | |
198 | ||
199 | quiet_cmd_cpp_its_S = ITS $@ | |
200 | cmd_cpp_its_S = $(CPP) -P -C -o $@ $< \ | |
201 | -DKERNEL_NAME="\"Linux $(KERNELRELEASE)\"" \ | |
202 | -DVMLINUX_BINARY="\"$(2)\"" \ | |
203 | -DVMLINUX_COMPRESSION="\"none\"" \ | |
204 | -DVMLINUX_LOAD_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ | |
205 | -DVMLINUX_ENTRY_ADDRESS=$(VMLINUZ_LOAD_ADDRESS) \ | |
206 | -DADDR_BITS=$(ADDR_BITS) \ | |
207 | -DADDR_CELLS=$(itb_addr_cells) | |
208 | ||
209 | $(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its.S FORCE | |
210 | $(call if_changed,cpp_its_S,vmlinuz.bin) | |
211 | ||
212 | targets += ../vmlinuz.itb | |
213 | ||
214 | quiet_cmd_itb-image = ITB $@ | |
215 | cmd_itb-image = \ | |
216 | env PATH="$(objtree)/scripts/dtc:$(PATH)" \ | |
217 | $(BASH) $(MKIMAGE) \ | |
218 | -D "-I dts -O dtb -p 500 \ | |
219 | --include $(objtree)/arch/mips \ | |
220 | --warning no-unit_address_vs_reg" \ | |
221 | -f $(2) $@ | |
222 | ||
223 | $(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE | |
224 | $(call if_changed,itb-image,$<) |