diff options
Diffstat (limited to 'arch/arm/boot/compressed/Makefile')
-rw-r--r-- | arch/arm/boot/compressed/Makefile | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile new file mode 100644 index 0000000..c47f2a3 --- /dev/null +++ b/arch/arm/boot/compressed/Makefile @@ -0,0 +1,114 @@ +# +# linux/arch/arm/boot/compressed/Makefile +# +# create a compressed vmlinuz image from the original vmlinux +# + +HEAD = head.o +OBJS = misc.o +FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c + +# +# Architecture dependencies +# +ifeq ($(CONFIG_ARCH_ACORN),y) +OBJS += ll_char_wr.o font.o +endif + +ifeq ($(CONFIG_ARCH_SHARK),y) +OBJS += head-shark.o ofw-shark.o +endif + +ifeq ($(CONFIG_ARCH_L7200),y) +OBJS += head-l7200.o +endif + +ifeq ($(CONFIG_ARCH_CLPS7500),y) +HEAD = head-clps7500.o +endif + +ifeq ($(CONFIG_ARCH_P720T),y) +# Borrow this code from SA1100 +OBJS += head-sa1100.o +endif + +ifeq ($(CONFIG_ARCH_SA1100),y) +OBJS += head-sa1100.o +endif + +ifeq ($(CONFIG_CPU_XSCALE),y) +OBJS += head-xscale.o +endif + +ifeq ($(CONFIG_PXA_SHARPSL),y) +OBJS += head-sharpsl.o +endif + +ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) +ifeq ($(CONFIG_CPU_CP15),y) +OBJS += big-endian.o +else +# The endian should be set by h/w design. +endif +endif + +# +# We now have a PIC decompressor implementation. Decompressors running +# from RAM should not define ZTEXTADDR. Decompressors running directly +# from ROM or Flash must define ZTEXTADDR (preferably via the config) +# FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK +ifeq ($(CONFIG_ZBOOT_ROM),y) +ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT) +ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS) +else +ZTEXTADDR := 0 +ZBSSADDR := ALIGN(4) +endif + +SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ + +targets := vmlinux vmlinux.lds piggy.gz piggy.o font.o font.c \ + head.o misc.o $(OBJS) + +ifeq ($(CONFIG_FUNCTION_TRACER),y) +ORIG_CFLAGS := $(KBUILD_CFLAGS) +KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS)) +endif + +EXTRA_CFLAGS := -fpic -fno-builtin +EXTRA_AFLAGS := -Wa,-march=all + +# Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via +# linker symbols. We only define initrd_phys and params_phys if the +# machine class defined the corresponding makefile variable. +LDFLAGS_vmlinux := --defsym zreladdr=$(ZRELADDR) +ifneq ($(INITRD_PHYS),) +LDFLAGS_vmlinux += --defsym initrd_phys=$(INITRD_PHYS) +endif +ifneq ($(PARAMS_PHYS),) +LDFLAGS_vmlinux += --defsym params_phys=$(PARAMS_PHYS) +endif +LDFLAGS_vmlinux += -p --no-undefined -X \ + $(shell $(CC) $(KBUILD_CFLAGS) --print-libgcc-file-name) -T + +# Don't allow any static data in misc.o, which +# would otherwise mess up our GOT table +CFLAGS_misc.o := -Dstatic= + +$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \ + $(addprefix $(obj)/, $(OBJS)) FORCE + $(call if_changed,ld) + @: + +$(obj)/piggy.gz: $(obj)/../Image FORCE + $(call if_changed,gzip) + +$(obj)/piggy.o: $(obj)/piggy.gz FORCE + +CFLAGS_font.o := -Dstatic= + +$(obj)/font.c: $(FONTC) + $(call cmd,shipped) + +$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config + @sed "$(SEDFLAGS)" < $< > $@ |