1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # linux/arch/sh/boot/compressed/Makefile !! 2 # This file is subject to the terms and conditions of the GNU General Public
>> 3 # License.
4 # 4 #
5 # create a compressed vmlinux image from the o !! 5 # Adapted for MIPS Pete Popov, Dan Malek
6 # 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 include $(srctree)/arch/mips/Kbuild.platforms
>> 16
>> 17 # set the default size of the mallocing area for decompressing
>> 18 BOOT_HEAP_SIZE := 0x400000
>> 19
>> 20 # Disable Function Tracer
>> 21 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE), $(KBUILD_CFLAGS))
>> 22
>> 23 KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
>> 24
>> 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
>> 30 KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
>> 31 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
>> 32
>> 33 KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
>> 34 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
>> 35 -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
>> 36
>> 37 # decompressor objects (linked with vmlinuz)
>> 38 vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o
>> 39
>> 40 ifdef CONFIG_DEBUG_ZBOOT
>> 41 vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
>> 42 vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
>> 43 vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
>> 44 vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
>> 45 vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o
>> 46 endif
>> 47
>> 48 vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
>> 49
>> 50 vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o $(obj)/clz_ctz.o
>> 51
>> 52 targets := $(notdir $(vmlinuzobjs-y))
>> 53
>> 54 targets += vmlinux.bin
>> 55
>> 56 OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
>> 57
>> 58 $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
>> 59 $(call if_changed,objcopy)
>> 60
>> 61 tool_$(CONFIG_KERNEL_GZIP) = gzip
>> 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
>> 68
>> 69 targets += vmlinux.bin.z
>> 70
>> 71 $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
>> 72 $(call if_changed,$(tool_y))
>> 73
>> 74 targets += piggy.o dummy.o
>> 75
>> 76 OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
>> 77 --set-section-flags=.image=contents,alloc,load,readonly,data
>> 78
>> 79 $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
>> 80 $(call if_changed,objcopy)
>> 81
>> 82 HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
>> 83
>> 84 # Calculate the load address of the compressed kernel image
>> 85 hostprogs := calc_vmlinuz_load_addr
>> 86
>> 87 ifneq (0x0,$(CONFIG_ZBOOT_LOAD_ADDRESS))
>> 88 zload-y = $(CONFIG_ZBOOT_LOAD_ADDRESS)
>> 89 endif
>> 90
>> 91 ifneq ($(zload-y),)
>> 92 VMLINUZ_LOAD_ADDRESS := $(zload-y)
>> 93 else
>> 94 VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
>> 95 $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS))
>> 96 endif
>> 97 UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
>> 98
>> 99 vmlinuzobjs-y += $(obj)/piggy.o
>> 100
>> 101 targets += ../../../../vmlinuz
>> 102
>> 103 quiet_cmd_zld = LD $@
>> 104 cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
>> 105 quiet_cmd_strip = STRIP $@
>> 106 cmd_strip = $(STRIP) -s $@
7 107
8 OBJECTS := head_32.o misc.o piggy.o \ !! 108 $(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
9 ashiftrt.o ashldi3.o ashrsi3.o ashl !! 109 $(call cmd,zld)
>> 110 $(call cmd,strip)
10 111
11 targets := vmlinux vmlinux.bin vmlinux.bin.gz !! 112 objboot := $(objtree)/arch/mips/boot
12 vmlinux.bin.lzma vmlinux.bin.xz vml !! 113
>> 114 $(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE
13 115
14 # 116 #
15 # IMAGE_OFFSET is the load offset of the compr !! 117 # Some DECstations need all possible sections of an ECOFF executable
16 # 118 #
17 ifeq ($(CONFIG_32BIT),y) !! 119 ifdef CONFIG_MACH_DECSTATION
18 IMAGE_OFFSET := $(shell /bin/bash -c 'print !! 120 e2eflag := -a
19 $$[$(CONFIG_MEMORY_START) !! 121 endif
20 $(CONFIG_BOOT_LINK_OFF !! 122
>> 123 # elf2ecoff can only handle 32bit image
>> 124 hostprogs += ../elf2ecoff
>> 125
>> 126 ifdef CONFIG_32BIT
>> 127 VMLINUZ = $(objtree)/vmlinuz
21 else 128 else
22 IMAGE_OFFSET := $(shell /bin/bash -c 'print !! 129 VMLINUZ = $(objboot)/vmlinuz.32
23 $$[$(CONFIG_PAGE_OFFSET) <<
24 $(KERNEL_MEMORY) + \ <<
25 $(CONFIG_BOOT_LINK_OFF <<
26 endif 130 endif
27 131
28 ccflags-remove-$(CONFIG_MCOUNT) += -pg !! 132 targets += ../vmlinuz.32
29 133
30 LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext !! 134 quiet_cmd_32 = OBJCOPY $@
31 -T $(obj)/../../kernel/vmli !! 135 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
32 136
33 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING !! 137 $(objboot)/vmlinuz.32: $(objtree)/vmlinuz
>> 138 $(call cmd,32)
34 139
35 $(obj)/vmlinux: $(addprefix $(obj)/, $(OBJECTS !! 140 targets += ../vmlinuz.ecoff
36 $(call if_changed,ld) <<
37 141
38 $(obj)/vmlinux.bin: vmlinux FORCE !! 142 quiet_cmd_ecoff = ECOFF $@
39 $(call if_changed,objcopy) !! 143 cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
>> 144
>> 145 $(objboot)/vmlinuz.ecoff: $(objboot)/elf2ecoff $(VMLINUZ)
>> 146 $(call cmd,ecoff)
>> 147
>> 148 targets += ../vmlinuz.bin
>> 149
>> 150 OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
>> 151
>> 152 $(objboot)/vmlinuz.bin: $(objtree)/vmlinuz
>> 153 $(call cmd,objcopy)
>> 154
>> 155 targets += ../vmlinuz.srec
>> 156
>> 157 OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
>> 158
>> 159 $(objboot)/vmlinuz.srec: $(objtree)/vmlinuz
>> 160 $(call cmd,objcopy)
>> 161
>> 162 targets += ../uzImage.bin
>> 163
>> 164 $(objboot)/uzImage.bin: $(objboot)/vmlinuz.bin FORCE
>> 165 $(call if_changed,uimage,none)
>> 166
>> 167 #
>> 168 # Flattened Image Tree (.itb) image
>> 169 #
>> 170
>> 171 ifeq ($(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
40 179
41 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 180 quiet_cmd_its_cat = CAT $@
42 $(call if_changed,gzip) !! 181 cmd_its_cat = cat $(real-prereqs) >$@
43 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FOR <<
44 $(call if_changed,bzip2_with_size) <<
45 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO <<
46 $(call if_changed,lzma_with_size) <<
47 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORC <<
48 $(call if_changed,xzkern_with_size) <<
49 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FOR <<
50 $(call if_changed,lzo_with_size) <<
51 182
52 OBJCOPYFLAGS += -R .empty_zero_page !! 183 $(objboot)/vmlinuz.its.S: $(addprefix $(srctree)/arch/mips/$(PLATFORM)/,$(ITS_INPUTS)) FORCE
>> 184 $(call if_changed,its_cat)
53 185
54 LDFLAGS_piggy.o := -r --format binary --oforma !! 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) $@
55 211
56 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmli !! 212 $(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE
57 $(call if_changed,ld) !! 213 $(call if_changed,itb-image,$<)
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