2 # linux/arch/arm/boot/compressed/Makefile
4 # create a compressed vmlinuz image from the original vmlinux
9 FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c
12 # Architecture dependencies
14 ifeq ($(CONFIG_ARCH_ACORN),y)
15 OBJS += ll_char_wr.o font.o
18 ifeq ($(CONFIG_ARCH_SHARK),y)
19 OBJS += head-shark.o ofw-shark.o
22 ifeq ($(CONFIG_ARCH_L7200),y)
26 ifeq ($(CONFIG_ARCH_CLPS7500),y)
27 HEAD = head-clps7500.o
30 ifeq ($(CONFIG_ARCH_P720T),y)
31 # Borrow this code from SA1100
35 ifeq ($(CONFIG_ARCH_SA1100),y)
39 ifeq ($(CONFIG_CPU_XSCALE),y)
43 ifeq ($(CONFIG_PXA_SHARPSL),y)
44 OBJS += head-sharpsl.o
47 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
48 ifeq ($(CONFIG_CPU_CP15),y)
51 # The endian should be set by h/w design.
56 # We now have a PIC decompressor implementation. Decompressors running
57 # from RAM should not define ZTEXTADDR. Decompressors running directly
58 # from ROM or Flash must define ZTEXTADDR (preferably via the config)
59 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
60 ifeq ($(CONFIG_ZBOOT_ROM),y)
61 ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
62 ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
68 SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
70 targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \
73 ifeq ($(CONFIG_FTRACE),y)
74 ORIG_CFLAGS := $(KBUILD_CFLAGS)
75 KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
78 EXTRA_CFLAGS := -fpic -fno-builtin
79 EXTRA_AFLAGS := -Wa,-march=all
81 # Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
82 # linker symbols. We only define initrd_phys and params_phys if the
83 # machine class defined the corresponding makefile variable.
84 LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR)
85 ifneq ($(INITRD_PHYS),)
86 LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS)
88 ifneq ($(PARAMS_PHYS),)
89 LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS)
91 LDFLAGS_vmlinux += -p --no-undefined -X \
92 $(shell $(CC) $(KBUILD_CFLAGS) --print-libgcc-file-name) -T
94 # Don't allow any static data in misc.o, which
95 # would otherwise mess up our GOT table
96 CFLAGS_misc.o := -Dstatic=
98 $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
99 $(addprefix $(obj)/, $(OBJS)) FORCE
100 $(call if_changed,ld)
103 $(obj)/piggy.gz: $(obj)/../Image FORCE
104 $(call if_changed,gzip)
106 $(obj)/piggy.o: $(obj)/piggy.gz FORCE
108 CFLAGS_font.o := -Dstatic=
110 $(obj)/font.c: $(FONTC)
113 $(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
114 @sed "$(SEDFLAGS)" < $< > $@