xref: /openbmc/linux/arch/arm/boot/compressed/Makefile (revision de4533a0) 
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	= drivers/video/console/font_acorn_8x8.c
10
11FONT = $(addprefix ../../../../drivers/video/console/, font_acorn_8x8.o)
12
13#
14# Architecture dependencies
15#
16ifeq ($(CONFIG_ARCH_ACORN),y)
17OBJS		+= ll_char_wr.o $(FONT)
18endif
19
20ifeq ($(CONFIG_ARCH_SHARK),y)
21OBJS		+= head-shark.o ofw-shark.o
22endif
23
24ifeq ($(CONFIG_ARCH_L7200),y)
25OBJS		+= head-l7200.o
26endif
27
28ifeq ($(CONFIG_ARCH_CLPS7500),y)
29HEAD		= head-clps7500.o
30endif
31
32ifeq ($(CONFIG_ARCH_P720T),y)
33# Borrow this code from SA1100
34OBJS		+= head-sa1100.o
35endif
36
37ifeq ($(CONFIG_ARCH_SA1100),y)
38OBJS		+= head-sa1100.o
39endif
40
41ifeq ($(CONFIG_CPU_XSCALE),y)
42OBJS		+= head-xscale.o
43endif
44
45ifeq ($(CONFIG_PXA_SHARPSL),y)
46OBJS		+= head-sharpsl.o
47endif
48
49ifeq ($(CONFIG_ARCH_AT91RM9200),y)
50OBJS		+= head-at91rm9200.o
51endif
52
53ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
54OBJS		+= big-endian.o
55endif
56
57#
58# We now have a PIC decompressor implementation.  Decompressors running
59# from RAM should not define ZTEXTADDR.  Decompressors running directly
60# from ROM or Flash must define ZTEXTADDR (preferably via the config)
61# FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
62ifeq ($(CONFIG_ZBOOT_ROM),y)
63ZTEXTADDR	:= $(CONFIG_ZBOOT_ROM_TEXT)
64ZBSSADDR	:= $(CONFIG_ZBOOT_ROM_BSS)
65else
66ZTEXTADDR	:= 0
67ZBSSADDR	:= ALIGN(4)
68endif
69
70SEDFLAGS	= s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/
71
72targets       := vmlinux vmlinux.lds piggy.gz piggy.o $(FONT) \
73		 head.o misc.o $(OBJS)
74EXTRA_CFLAGS  := -fpic
75EXTRA_AFLAGS  :=
76
77# Supply ZRELADDR, INITRD_PHYS and PARAMS_PHYS to the decompressor via
78# linker symbols.  We only define initrd_phys and params_phys if the
79# machine class defined the corresponding makefile variable.
80LDFLAGS_vmlinux := --defsym zreladdr=$(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) $(CFLAGS) --print-libgcc-file-name) -T
89
90# Don't allow any static data in misc.o, which
91# would otherwise mess up our GOT table
92CFLAGS_misc.o := -Dstatic=
93
94$(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:  $(obj)/piggy.gz FORCE
103
104CFLAGS_font_acorn_8x8.o := -Dstatic=
105
106$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
107	@sed "$(SEDFLAGS)" < $< > $@
108
109$(obj)/misc.o: $(obj)/misc.c include/asm/arch/uncompress.h lib/inflate.c
110
111