1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # linux/arch/arm/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 vmlinuz image from the o !! 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>
6 # 13 #
7 14
8 OBJS = !! 15 include $(srctree)/arch/mips/Kbuild.platforms
9 16
10 HEAD = head.o !! 17 # set the default size of the mallocing area for decompressing
11 OBJS += misc.o decompress.o !! 18 BOOT_HEAP_SIZE := 0x400000
12 CFLAGS_decompress.o += $(DISABLE_STACKLEAK_PLU !! 19
13 ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y) !! 20 # Disable Function Tracer
14 OBJS += debug.o !! 21 KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_FTRACE), $(KBUILD_CFLAGS))
15 AFLAGS_head.o += -DDEBUG <<
16 endif <<
17 22
18 # string library code (-Os is enforced to keep !! 23 KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
19 OBJS += string.o <<
20 CFLAGS_string.o := -Os <<
21 24
22 ifeq ($(CONFIG_ARM_VIRT_EXT),y) !! 25 # Disable lq/sq in zboot
23 OBJS += hyp-stub.o !! 26 ifdef CONFIG_CPU_LOONGSON64
>> 27 KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2
24 endif 28 endif
25 29
26 # !! 30 KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
27 # Architecture dependencies !! 31 -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
28 # !! 32
29 ifeq ($(CONFIG_ARCH_ACORN),y) !! 33 KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
30 OBJS += ll_char_wr.o font.o !! 34 -DBOOT_HEAP_SIZE=$(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) += $(obj)/uart-ath79.o
31 endif 46 endif
32 47
33 ifeq ($(CONFIG_ARCH_SA1100),y) !! 48 vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
34 OBJS += head-sa1100.o !! 49
>> 50 vmlinuzobjs-$(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 = $(CONFIG_ZBOOT_LOAD_ADDRESS)
35 endif 89 endif
36 90
37 ifeq ($(CONFIG_CPU_XSCALE),y) !! 91 ifneq ($(zload-y),)
38 OBJS += head-xscale.o !! 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))
39 endif 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 $@
>> 107
>> 108 $(objtree)/vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
>> 109 $(call cmd,zld)
>> 110 $(call cmd,strip)
40 111
41 ifeq ($(CONFIG_PXA_SHARPSL_DETECT_MACH_ID),y) !! 112 objboot := $(objtree)/arch/mips/boot
42 OBJS += head-sharpsl.o !! 113
>> 114 $(objboot)/vmlinuz: $(objtree)/vmlinuz FORCE
>> 115
>> 116 #
>> 117 # Some DECstations need all possible sections of an ECOFF executable
>> 118 #
>> 119 ifdef CONFIG_MACH_DECSTATION
>> 120 e2eflag := -a
43 endif 121 endif
44 122
45 ifeq ($(CONFIG_CPU_ENDIAN_BE32),y) !! 123 # elf2ecoff can only handle 32bit image
46 ifeq ($(CONFIG_CPU_CP15),y) !! 124 hostprogs += ../elf2ecoff
47 OBJS += big-endian.o !! 125
>> 126 ifdef CONFIG_32BIT
>> 127 VMLINUZ = $(objtree)/vmlinuz
48 else 128 else
49 # The endian should be set by h/w design. !! 129 VMLINUZ = $(objboot)/vmlinuz.32
50 endif <<
51 endif 130 endif
52 131
>> 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 $(call if_changed,uimage,none)
>> 166
53 # 167 #
54 # We now have a PIC decompressor implementatio !! 168 # Flattened Image Tree (.itb) image
55 # from RAM should not define ZTEXTADDR. Decom !! 169 #
56 # from ROM or Flash must define ZTEXTADDR (pre !! 170
57 # FIXME: Previous assignment to ztextaddr-y is !! 171 ifeq ($(ADDR_BITS),32)
58 ifeq ($(CONFIG_ZBOOT_ROM),y) !! 172 itb_addr_cells = 1
59 ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) <<
60 ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) <<
61 else <<
62 ZTEXTADDR := 0 <<
63 ZBSSADDR := ALIGN(8) <<
64 endif 173 endif
>> 174 ifeq ($(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
65 187
66 MALLOC_SIZE := 65536 !! 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)
67 197
68 AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) !! 198 $(objboot)/vmlinuz.its: $(objboot)/vmlinuz.its.S FORCE
69 CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTA !! 199 $(call if_changed,cpp_its_S,vmlinuz.bin)
70 CPPFLAGS_vmlinux.lds += -DTEXT_OFFSET="$(TEXT_ <<
71 CPPFLAGS_vmlinux.lds += -DMALLOC_SIZE="$(MALLO <<
72 <<
73 compress-$(CONFIG_KERNEL_GZIP) = gzip <<
74 compress-$(CONFIG_KERNEL_LZO) = lzo_with_size <<
75 compress-$(CONFIG_KERNEL_LZMA) = lzma_with_siz <<
76 compress-$(CONFIG_KERNEL_XZ) = xzkern_with_s <<
77 compress-$(CONFIG_KERNEL_LZ4) = lz4_with_size <<
78 <<
79 libfdt_objs := fdt_rw.o fdt_ro.o fdt_wip.o fdt <<
80 <<
81 ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y) <<
82 CFLAGS_REMOVE_atags_to_fdt.o += -Wframe-larger <<
83 CFLAGS_atags_to_fdt.o += -Wframe-larger-than=1 <<
84 OBJS += $(libfdt_objs) atags_to_fdt.o <<
85 endif <<
86 ifeq ($(CONFIG_USE_OF),y) <<
87 OBJS += $(libfdt_objs) fdt_check_mem_start. <<
88 endif <<
89 <<
90 OBJS += lib1funcs.o ashldi3.o bswapsdi2.o <<
91 <<
92 targets := vmlinux vmlinux.lds piggy_dat <<
93 head.o $(OBJS) <<
94 <<
95 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING <<
96 <<
97 ccflags-y := -fpic $(call cc-option,-mno-singl <<
98 -I$(srctree)/scripts/dtc/libfdt - <<
99 -I$(obj) $(DISABLE_ARM_SSP_PER_TA <<
100 ccflags-remove-$(CONFIG_FUNCTION_TRACER) += -p <<
101 asflags-y := -DZIMAGE <<
102 <<
103 # Supply kernel BSS size to the decompressor v <<
104 KBSS_SZ = $(shell echo $$(($$($(NM) vmlinux | <<
105 sed -n -e 's/^\([^ ]*\) [ABD] <<
106 -e 's/^\([^ ]*\) [ABD] <<
107 LDFLAGS_vmlinux = --defsym _kernel_bss_size=$( <<
108 # Supply ZRELADDR to the decompressor via a li <<
109 ifneq ($(CONFIG_AUTO_ZRELADDR),y) <<
110 LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADD <<
111 endif <<
112 ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) <<
113 LDFLAGS_vmlinux += --be8 <<
114 endif <<
115 # Report unresolved symbol references <<
116 LDFLAGS_vmlinux += --no-undefined <<
117 # Delete all temporary local symbols <<
118 LDFLAGS_vmlinux += -X <<
119 # Report orphan sections <<
120 ifdef CONFIG_LD_ORPHAN_WARN <<
121 LDFLAGS_vmlinux += --orphan-handling=$(CONFIG_ <<
122 endif <<
123 # Next argument is a linker script <<
124 LDFLAGS_vmlinux += -T <<
125 <<
126 # We need to prevent any GOTOFF relocs being u <<
127 # to symbols in the .bss section since we cann <<
128 # independently from the rest at run time. Th <<
129 # ensuring that no private .bss symbols exist, <<
130 # always have a GOT entry which is what we nee <<
131 # The .data section is already discarded by th <<
132 # to bother about it here. <<
133 check_for_bad_syms = \ <<
134 bad_syms=$$($(NM) $@ | sed -n 's/^.\{8\} [bc] <<
135 [ -z "$$bad_syms" ] || \ <<
136 ( echo "following symbols must have non loca <<
137 echo "$$bad_syms" >&2; false ) <<
138 <<
139 check_for_multiple_zreladdr = \ <<
140 if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_A <<
141 echo 'multiple zreladdrs: $(ZRELADDR)' <<
142 echo 'This needs CONFIG_AUTO_ZRELADDR <<
143 false; \ <<
144 fi <<
145 <<
146 efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drive <<
147 <<
148 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HE <<
149 $(addprefix $(obj)/, $(OBJS)) <<
150 $(efi-obj-y) FORCE <<
151 @$(check_for_multiple_zreladdr) <<
152 $(call if_changed,ld) <<
153 @$(check_for_bad_syms) <<
154 200
155 $(obj)/piggy_data: $(obj)/../Image FORCE !! 201 targets += ../vmlinuz.itb
156 $(call if_changed,$(compress-y)) <<
157 202
158 $(obj)/piggy.o: $(obj)/piggy_data !! 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) $@
159 211
160 CFLAGS_font.o := -Dstatic= !! 212 $(objboot)/vmlinuz.itb: $(objboot)/vmlinuz.its $(objboot)/vmlinuz.bin FORCE
>> 213 $(call if_changed,itb-image,$<)
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