1 # SPDX-License-Identifier: GPL-2.0-only <<
2 # 1 #
3 # linux/arch/parisc/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 self-extracting vmlinux !! 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
7 29
8 OBJECTS := head.o real2.o firmware.o misc.o pi !! 30 KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
9 targets := vmlinux.lds vmlinux vmlinux.bin vml !! 31 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
10 targets += vmlinux.bin.xz vmlinux.bin.lzma vml <<
11 targets += $(OBJECTS) sizes.h <<
12 32
13 KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER !! 33 KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
14 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING !! 34 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
15 KBUILD_CFLAGS += -fno-strict-aliasing !! 35 -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
16 KBUILD_CFLAGS += $(cflags-y) -fno-delete-null- !! 36
17 KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdi !! 37 # decompressor objects (linked with vmlinuz)
18 ifndef CONFIG_64BIT !! 38 vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o
19 KBUILD_CFLAGS += -mfast-indirect-calls !! 39
>> 40 ifdef CONFIG_DEBUG_ZBOOT
>> 41 vmlinuzobjs-$(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) += $(obj)/uart-ath79.o
20 endif 46 endif
21 47
22 LDFLAGS_vmlinux := -X -e startup --as-needed - !! 48 vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
23 $(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix !! 49
24 $(call if_changed,ld) !! 50 vmlinuzobjs-$(CONFIG_KERNEL_ZSTD) += $(obj)/bswapdi.o $(obj)/ashldi3.o $(obj)/clz_ctz.o
25 51
26 sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss !! 52 targets := $(notdir $(vmlinuzobjs-y))
27 53
28 quiet_cmd_sizes = GEN $@ !! 54 targets += vmlinux.bin
29 cmd_sizes = $(NM) $< | sed -n $(sed-size <<
30 55
31 $(obj)/sizes.h: vmlinux FORCE !! 56 OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
32 $(call if_changed,sizes) !! 57
>> 58 $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
>> 59 $(call if_changed,objcopy)
33 60
34 AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOA !! 61 tool_$(CONFIG_KERNEL_GZIP) = gzip
35 $(obj)/head.o: $(obj)/sizes.h !! 62 tool_$(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_$(CONFIG_KERNEL_ZSTD) = zstd22_with_size
36 68
37 CFLAGS_misc.o += -I$(objtree)/$(obj) !! 69 targets += vmlinux.bin.z
38 $(obj)/misc.o: $(obj)/sizes.h <<
39 70
40 AFLAGS_real2.o += -DBOOTLOADER !! 71 $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
>> 72 $(call if_changed,$(tool_y))
41 73
42 CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -D !! 74 targets += piggy.o dummy.o
43 $(obj)/vmlinux.lds: $(obj)/sizes.h <<
44 75
45 OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .no !! 76 OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
46 $(obj)/vmlinux.bin: vmlinux FORCE !! 77 --set-section-flags=.image=contents,alloc,load,readonly,data
>> 78
>> 79 $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
47 $(call if_changed,objcopy) 80 $(call if_changed,objcopy)
48 81
49 suffix-$(CONFIG_KERNEL_GZIP) := gz !! 82 HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
50 suffix-$(CONFIG_KERNEL_BZIP2) := bz2 !! 83
51 suffix-$(CONFIG_KERNEL_LZ4) := lz4 !! 84 # Calculate the load address of the compressed kernel image
52 suffix-$(CONFIG_KERNEL_LZMA) := lzma !! 85 hostprogs := calc_vmlinuz_load_addr
53 suffix-$(CONFIG_KERNEL_LZO) := lzo !! 86
54 suffix-$(CONFIG_KERNEL_XZ) := xz !! 87 ifneq (0x0,$(CONFIG_ZBOOT_LOAD_ADDRESS))
55 !! 88 zload-y = $(CONFIG_ZBOOT_LOAD_ADDRESS)
56 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORC !! 89 endif
57 $(call if_changed,gzip) !! 90
58 $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FOR !! 91 ifneq ($(zload-y),)
59 $(call if_changed,bzip2_with_size) !! 92 VMLINUZ_LOAD_ADDRESS := $(zload-y)
60 $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FOR !! 93 else
61 $(call if_changed,lz4_with_size) !! 94 VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
62 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FO !! 95 $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS))
63 $(call if_changed,lzma_with_size) !! 96 endif
64 $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FOR !! 97 UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
65 $(call if_changed,lzo_with_size) !! 98
66 $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORC !! 99 vmlinuzobjs-y += $(obj)/piggy.o
67 $(call if_changed,xzkern_with_size) !! 100
68 !! 101 targets += ../../../../vmlinuz
69 LDFLAGS_piggy.o := -r --format binary --oforma !! 102
70 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmli !! 103 quiet_cmd_zld = LD $@
71 $(call if_changed,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 $@
>> 107
>> 108 $(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
>> 109 $(call cmd,zld)
>> 110 $(call cmd,strip)
>> 111
>> 112 objboot := $(objtree)/arch/mips/boot
>> 113
>> 114 $(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE
>> 115
>> 116 #
>> 117 # Some DECstations need all possible sections of an ECOFF executable
>> 118 #
>> 119 ifdef CONFIG_MACH_DECSTATION
>> 120 e2eflag := -a
>> 121 endif
>> 122
>> 123 # elf2ecoff can only handle 32bit image
>> 124 hostprogs += ../elf2ecoff
>> 125
>> 126 ifdef CONFIG_32BIT
>> 127 VMLINUZ = $(objtree)/vmlinuz
>> 128 else
>> 129 VMLINUZ = $(objboot)/vmlinuz.32
>> 130 endif
>> 131
>> 132 targets += ../vmlinuz.32
>> 133
>> 134 quiet_cmd_32 = OBJCOPY $@
>> 135 cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
>> 136
>> 137 $(objboot)/vmlinuz.32: $(objtree)/vmlinuz
>> 138 $(call cmd,32)
>> 139
>> 140 targets += ../vmlinuz.ecoff
>> 141
>> 142 quiet_cmd_ecoff = ECOFF $@
>> 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
>> 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 $(call if_changed,itb-image,$<)
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.