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