1# 2# linux/arch/arm/boot/compressed/Makefile 3# 4# create a compressed vmlinuz image from the original vmlinux 5# 6 7HEAD = head.o 8OBJS = misc.o 9FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c 10 11# 12# Architecture dependencies 13# 14ifeq ($(CONFIG_ARCH_ACORN),y) 15OBJS += ll_char_wr.o font.o 16endif 17 18ifeq ($(CONFIG_ARCH_SHARK),y) 19OBJS += head-shark.o ofw-shark.o 20endif 21 22ifeq ($(CONFIG_ARCH_L7200),y) 23OBJS += head-l7200.o 24endif 25 26ifeq ($(CONFIG_ARCH_CLPS7500),y) 27HEAD = head-clps7500.o 28endif 29 30ifeq ($(CONFIG_ARCH_P720T),y) 31# Borrow this code from SA1100 32OBJS += head-sa1100.o 33endif 34 35ifeq ($(CONFIG_ARCH_SA1100),y) 36OBJS += head-sa1100.o 37endif 38 39ifeq ($(CONFIG_CPU_XSCALE),y) 40OBJS += head-xscale.o 41endif 42 43ifeq ($(CONFIG_PXA_SHARPSL),y) 44OBJS += head-sharpsl.o 45endif 46 47ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) 48ifeq ($(CONFIG_CPU_CP15),y) 49OBJS += big-endian.o 50else 51# The endian should be set by h/w design. 52endif 53endif 54 55# 56# We now have a PIC decompressor implementation. Decompressors running 57# from RAM should not define ZTEXTADDR. Decompressors running directly 58# from ROM or Flash must define ZTEXTADDR (preferably via the config) 59# FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK 60ifeq ($(CONFIG_ZBOOT_ROM),y) 61ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) 62ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) 63else 64ZTEXTADDR := 0 65ZBSSADDR := ALIGN(4) 66endif 67 68SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ 69 70targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \ 71 head.o misc.o $(OBJS) 72 73ifeq ($(CONFIG_FUNCTION_TRACER),y) 74ORIG_CFLAGS := $(KBUILD_CFLAGS) 75KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) 76endif 77 78EXTRA_CFLAGS := -fpic -fno-builtin 79EXTRA_AFLAGS := -Wa,-march=all 80 81# Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via 82# linker symbols. We only define initrd_phys and params_phys if the 83# machine class defined the corresponding makefile variable. 84LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR) 85ifneq ($(INITRD_PHYS),) 86LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS) 87endif 88ifneq ($(PARAMS_PHYS),) 89LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS) 90endif 91LDFLAGS_vmlinux += -p --no-undefined -X \ 92 $(shell $(CC) $(KBUILD_CFLAGS) --print-libgcc-file-name) -T 93 94# Don't allow any static data in misc.o, which 95# would otherwise mess up our GOT table 96CFLAGS_misc.o := -Dstatic= 97 98$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \ 99 $(addprefix $(obj)/, $(OBJS)) FORCE 100 $(call if_changed,ld) 101 @: 102 103$(obj)/piggy.gz: $(obj)/../Image FORCE 104 $(call if_changed,gzip) 105 106$(obj)/piggy.o: $(obj)/piggy.gz FORCE 107 108CFLAGS_font.o := -Dstatic= 109 110$(obj)/font.c: $(FONTC) 111 $(call cmd,shipped) 112 113$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config 114 @sed "$(SEDFLAGS)" < $< > $@ 115