| Makefile (8632987380765dee716d460640aa58d58d52998e) | Makefile (251cc826be7dec61e574b291b371362c10dd84ea) |
|---|---|
| 1# SPDX-License-Identifier: GPL-2.0 2# 3# linux/arch/arm/boot/compressed/Makefile 4# 5# create a compressed vmlinuz image from the original vmlinux 6# 7 8OBJS = 9 10HEAD = head.o 11OBJS += misc.o decompress.o 12ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y) 13OBJS += debug.o 14AFLAGS_head.o += -DDEBUG 15endif | 1# SPDX-License-Identifier: GPL-2.0 2# 3# linux/arch/arm/boot/compressed/Makefile 4# 5# create a compressed vmlinuz image from the original vmlinux 6# 7 8OBJS = 9 10HEAD = head.o 11OBJS += misc.o decompress.o 12ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y) 13OBJS += debug.o 14AFLAGS_head.o += -DDEBUG 15endif |
| 16FONTC = $(srctree)/lib/fonts/font_acorn_8x8.c | |
| 17 18# string library code (-Os is enforced to keep it much smaller) 19OBJS += string.o 20CFLAGS_string.o := -Os 21 22ifeq ($(CONFIG_ARM_VIRT_EXT),y) 23OBJS += hyp-stub.o 24endif --- 69 unchanged lines hidden (view full) --- 94endif 95 96# -fstack-protector-strong triggers protection checks in this code, 97# but it is being used too early to link to meaningful stack_chk logic. 98$(foreach o, $(libfdt_objs) atags_to_fdt.o fdt_check_mem_start.o, \ 99 $(eval CFLAGS_$(o) := -I $(srctree)/scripts/dtc/libfdt -fno-stack-protector)) 100 101targets := vmlinux vmlinux.lds piggy_data piggy.o \ | 16 17# string library code (-Os is enforced to keep it much smaller) 18OBJS += string.o 19CFLAGS_string.o := -Os 20 21ifeq ($(CONFIG_ARM_VIRT_EXT),y) 22OBJS += hyp-stub.o 23endif --- 69 unchanged lines hidden (view full) --- 93endif 94 95# -fstack-protector-strong triggers protection checks in this code, 96# but it is being used too early to link to meaningful stack_chk logic. 97$(foreach o, $(libfdt_objs) atags_to_fdt.o fdt_check_mem_start.o, \ 98 $(eval CFLAGS_$(o) := -I $(srctree)/scripts/dtc/libfdt -fno-stack-protector)) 99 100targets := vmlinux vmlinux.lds piggy_data piggy.o \ |
| 102 lib1funcs.o ashldi3.o bswapsdi2.o \ | |
| 103 head.o $(OBJS) 104 | 101 head.o $(OBJS) 102 |
| 105clean-files += lib1funcs.S ashldi3.S bswapsdi2.S hyp-stub.S 106 | |
| 107KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 108 109ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin \ 110 -I$(obj) $(DISABLE_ARM_SSP_PER_TASK_PLUGIN) 111ccflags-remove-$(CONFIG_FUNCTION_TRACER) += -pg 112asflags-y := -DZIMAGE 113 114# Supply kernel BSS size to the decompressor via a linker symbol. --- 14 unchanged lines hidden (view full) --- 129LDFLAGS_vmlinux += -X 130# Report orphan sections 131ifdef CONFIG_LD_ORPHAN_WARN 132LDFLAGS_vmlinux += --orphan-handling=warn 133endif 134# Next argument is a linker script 135LDFLAGS_vmlinux += -T 136 | 103KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 104 105ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin \ 106 -I$(obj) $(DISABLE_ARM_SSP_PER_TASK_PLUGIN) 107ccflags-remove-$(CONFIG_FUNCTION_TRACER) += -pg 108asflags-y := -DZIMAGE 109 110# Supply kernel BSS size to the decompressor via a linker symbol. --- 14 unchanged lines hidden (view full) --- 125LDFLAGS_vmlinux += -X 126# Report orphan sections 127ifdef CONFIG_LD_ORPHAN_WARN 128LDFLAGS_vmlinux += --orphan-handling=warn 129endif 130# Next argument is a linker script 131LDFLAGS_vmlinux += -T 132 |
| 137# For __aeabi_uidivmod 138lib1funcs = $(obj)/lib1funcs.o | 133OBJS += lib1funcs.o ashldi3.o bswapsdi2.o |
| 139 | 134 |
| 140$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S 141 $(call cmd,shipped) 142 143# For __aeabi_llsl 144ashldi3 = $(obj)/ashldi3.o 145 146$(obj)/ashldi3.S: $(srctree)/arch/$(SRCARCH)/lib/ashldi3.S 147 $(call cmd,shipped) 148 149# For __bswapsi2, __bswapdi2 150bswapsdi2 = $(obj)/bswapsdi2.o 151 152$(obj)/bswapsdi2.S: $(srctree)/arch/$(SRCARCH)/lib/bswapsdi2.S 153 $(call cmd,shipped) 154 | |
| 155# We need to prevent any GOTOFF relocs being used with references 156# to symbols in the .bss section since we cannot relocate them 157# independently from the rest at run time. This can be achieved by 158# ensuring that no private .bss symbols exist, as global symbols 159# always have a GOT entry which is what we need. 160# The .data section is already discarded by the linker script so no need 161# to bother about it here. 162check_for_bad_syms = \ --- 7 unchanged lines hidden (view full) --- 170 echo 'multiple zreladdrs: $(ZRELADDR)'; \ 171 echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \ 172 false; \ 173fi 174 175efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drivers/firmware/efi/libstub/lib.a 176 177$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \ | 135# We need to prevent any GOTOFF relocs being used with references 136# to symbols in the .bss section since we cannot relocate them 137# independently from the rest at run time. This can be achieved by 138# ensuring that no private .bss symbols exist, as global symbols 139# always have a GOT entry which is what we need. 140# The .data section is already discarded by the linker script so no need 141# to bother about it here. 142check_for_bad_syms = \ --- 7 unchanged lines hidden (view full) --- 150 echo 'multiple zreladdrs: $(ZRELADDR)'; \ 151 echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \ 152 false; \ 153fi 154 155efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drivers/firmware/efi/libstub/lib.a 156 157$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \ |
| 178 $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) $(ashldi3) \ 179 $(bswapsdi2) $(efi-obj-y) FORCE | 158 $(addprefix $(obj)/, $(OBJS)) \ 159 $(efi-obj-y) FORCE |
| 180 @$(check_for_multiple_zreladdr) 181 $(call if_changed,ld) 182 @$(check_for_bad_syms) 183 184$(obj)/piggy_data: $(obj)/../Image FORCE 185 $(call if_changed,$(compress-y)) 186 187$(obj)/piggy.o: $(obj)/piggy_data 188 189CFLAGS_font.o := -Dstatic= | 160 @$(check_for_multiple_zreladdr) 161 $(call if_changed,ld) 162 @$(check_for_bad_syms) 163 164$(obj)/piggy_data: $(obj)/../Image FORCE 165 $(call if_changed,$(compress-y)) 166 167$(obj)/piggy.o: $(obj)/piggy_data 168 169CFLAGS_font.o := -Dstatic= |
| 190 191$(obj)/font.c: $(FONTC) 192 $(call cmd,shipped) 193 | |
| 194AFLAGS_hyp-stub.o := -Wa,-march=armv7-a | 170AFLAGS_hyp-stub.o := -Wa,-march=armv7-a |
| 195 196$(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S 197 $(call cmd,shipped) | |