| Makefile (71f2c153755442c05d15cd025484f676a5f3541f) | Makefile (60aac93283823b44644c92d0803d821b9d2d987a) |
|---|---|
| 1# 2# linux/arch/arm/boot/compressed/Makefile 3# 4# create a compressed vmlinuz image from the original vmlinux 5# 6 7OBJS = 8 --- 12 unchanged lines hidden (view full) --- 21OBJS += sdhi-sh7372.o 22endif 23 24AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) 25HEAD = head.o 26OBJS += misc.o decompress.o 27FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c 28 | 1# 2# linux/arch/arm/boot/compressed/Makefile 3# 4# create a compressed vmlinuz image from the original vmlinux 5# 6 7OBJS = 8 --- 12 unchanged lines hidden (view full) --- 21OBJS += sdhi-sh7372.o 22endif 23 24AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) 25HEAD = head.o 26OBJS += misc.o decompress.o 27FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c 28 |
| 29# string library code (-Os is enforced to keep it much smaller) 30OBJS += string.o 31CFLAGS_string.o := -Os 32 | |
| 33# 34# Architecture dependencies 35# 36ifeq ($(CONFIG_ARCH_ACORN),y) 37OBJS += ll_char_wr.o font.o 38endif 39 40ifeq ($(CONFIG_ARCH_SHARK),y) --- 47 unchanged lines hidden (view full) --- 88endif 89 90SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ 91 92suffix_$(CONFIG_KERNEL_GZIP) = gzip 93suffix_$(CONFIG_KERNEL_LZO) = lzo 94suffix_$(CONFIG_KERNEL_LZMA) = lzma 95 | 29# 30# Architecture dependencies 31# 32ifeq ($(CONFIG_ARCH_ACORN),y) 33OBJS += ll_char_wr.o font.o 34endif 35 36ifeq ($(CONFIG_ARCH_SHARK),y) --- 47 unchanged lines hidden (view full) --- 84endif 85 86SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ 87 88suffix_$(CONFIG_KERNEL_GZIP) = gzip 89suffix_$(CONFIG_KERNEL_LZO) = lzo 90suffix_$(CONFIG_KERNEL_LZMA) = lzma 91 |
| 96# Borrowed libfdt files for the ATAG compatibility mode 97 98libfdt := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c 99libfdt_hdrs := fdt.h libfdt.h libfdt_internal.h 100 101libfdt_objs := $(addsuffix .o, $(basename $(libfdt))) 102 103$(addprefix $(obj)/,$(libfdt) $(libfdt_hdrs)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/% 104 $(call cmd,shipped) 105 106$(addprefix $(obj)/,$(libfdt_objs) atags_to_fdt.o): \ 107 $(addprefix $(obj)/,$(libfdt_hdrs)) 108 109ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y) 110OBJS += $(libfdt_objs) atags_to_fdt.o 111endif 112 | |
| 113targets := vmlinux vmlinux.lds \ 114 piggy.$(suffix_y) piggy.$(suffix_y).o \ | 92targets := vmlinux vmlinux.lds \ 93 piggy.$(suffix_y) piggy.$(suffix_y).o \ |
| 115 lib1funcs.o lib1funcs.S font.o font.c head.o misc.o $(OBJS) | 94 font.o font.c head.o misc.o $(OBJS) |
| 116 117# Make sure files are removed during clean | 95 96# Make sure files are removed during clean |
| 118extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S $(libfdt) $(libfdt_hdrs) | 97extra-y += piggy.gzip piggy.lzo piggy.lzma lib1funcs.S |
| 119 120ifeq ($(CONFIG_FUNCTION_TRACER),y) 121ORIG_CFLAGS := $(KBUILD_CFLAGS) 122KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 123endif 124 | 98 99ifeq ($(CONFIG_FUNCTION_TRACER),y) 100ORIG_CFLAGS := $(KBUILD_CFLAGS) 101KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 102endif 103 |
| 125ccflags-y := -fpic -fno-builtin -I$(obj) | 104ccflags-y := -fpic -fno-builtin |
| 126asflags-y := -Wa,-march=all 127 | 105asflags-y := -Wa,-march=all 106 |
| 128# Supply kernel BSS size to the decompressor via a linker symbol. 129KBSS_SZ = $(shell size $(obj)/../../../../vmlinux | awk 'END{print $$3}') 130LDFLAGS_vmlinux = --defsym _kernel_bss_size=$(KBSS_SZ) | |
| 131# Supply ZRELADDR to the decompressor via a linker symbol. 132ifneq ($(CONFIG_AUTO_ZRELADDR),y) 133LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) 134endif 135ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) 136LDFLAGS_vmlinux += --be8 137endif 138# ? 139LDFLAGS_vmlinux += -p 140# Report unresolved symbol references 141LDFLAGS_vmlinux += --no-undefined 142# Delete all temporary local symbols 143LDFLAGS_vmlinux += -X 144# Next argument is a linker script 145LDFLAGS_vmlinux += -T 146 147# For __aeabi_uidivmod 148lib1funcs = $(obj)/lib1funcs.o 149 | 107# Supply ZRELADDR to the decompressor via a linker symbol. 108ifneq ($(CONFIG_AUTO_ZRELADDR),y) 109LDFLAGS_vmlinux += --defsym zreladdr=$(ZRELADDR) 110endif 111ifeq ($(CONFIG_CPU_ENDIAN_BE8),y) 112LDFLAGS_vmlinux += --be8 113endif 114# ? 115LDFLAGS_vmlinux += -p 116# Report unresolved symbol references 117LDFLAGS_vmlinux += --no-undefined 118# Delete all temporary local symbols 119LDFLAGS_vmlinux += -X 120# Next argument is a linker script 121LDFLAGS_vmlinux += -T 122 123# For __aeabi_uidivmod 124lib1funcs = $(obj)/lib1funcs.o 125 |
| 150$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S | 126$(obj)/lib1funcs.S: $(srctree)/arch/$(SRCARCH)/lib/lib1funcs.S FORCE |
| 151 $(call cmd,shipped) 152 153# We need to prevent any GOTOFF relocs being used with references 154# to symbols in the .bss section since we cannot relocate them 155# independently from the rest at run time. This can be achieved by 156# ensuring that no private .bss symbols exist, as global symbols 157# always have a GOT entry which is what we need. 158# The .data section is already discarded by the linker script so no need 159# to bother about it here. 160check_for_bad_syms = \ 161bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \ 162[ -z "$$bad_syms" ] || \ 163 ( echo "following symbols must have non local/private scope:" >&2; \ 164 echo "$$bad_syms" >&2; rm -f $@; false ) 165 | 127 $(call cmd,shipped) 128 129# We need to prevent any GOTOFF relocs being used with references 130# to symbols in the .bss section since we cannot relocate them 131# independently from the rest at run time. This can be achieved by 132# ensuring that no private .bss symbols exist, as global symbols 133# always have a GOT entry which is what we need. 134# The .data section is already discarded by the linker script so no need 135# to bother about it here. 136check_for_bad_syms = \ 137bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \ 138[ -z "$$bad_syms" ] || \ 139 ( echo "following symbols must have non local/private scope:" >&2; \ 140 echo "$$bad_syms" >&2; rm -f $@; false ) 141 |
| 142check_for_multiple_zreladdr = \ 143if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" == "" ]; then \ 144 echo 'multiple zreladdrs: $(ZRELADDR)'; \ 145 echo 'This needs CONFIG_AUTO_ZRELADDR to be set'; \ 146 false; \ 147fi 148 |
|
| 166$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ 167 $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE | 149$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \ 150 $(addprefix $(obj)/, $(OBJS)) $(lib1funcs) FORCE |
| 151 @$(check_for_multiple_zreladdr) |
|
| 168 $(call if_changed,ld) 169 @$(check_for_bad_syms) 170 171$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE 172 $(call if_changed,$(suffix_y)) 173 174$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE 175 176CFLAGS_font.o := -Dstatic= 177 178$(obj)/font.c: $(FONTC) 179 $(call cmd,shipped) 180 181$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG) 182 @sed "$(SEDFLAGS)" < $< > $@ | 152 $(call if_changed,ld) 153 @$(check_for_bad_syms) 154 155$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE 156 $(call if_changed,$(suffix_y)) 157 158$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE 159 160CFLAGS_font.o := -Dstatic= 161 162$(obj)/font.c: $(FONTC) 163 $(call cmd,shipped) 164 165$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG) 166 @sed "$(SEDFLAGS)" < $< > $@ |