xref: /openbmc/linux/arch/sh/boot/Makefile (revision fd589a8f) 
1#
2# arch/sh/boot/Makefile
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License.  See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8# Copyright (C) 1999 Stuart Menefy
9#
10
11MKIMAGE := $(srctree)/scripts/mkuboot.sh
12
13#
14# Assign safe dummy values if these variables are not defined,
15# in order to suppress error message.
16#
17CONFIG_PAGE_OFFSET	?= 0x80000000
18CONFIG_MEMORY_START	?= 0x0c000000
19CONFIG_BOOT_LINK_OFFSET	?= 0x00800000
20CONFIG_ZERO_PAGE_OFFSET	?= 0x00001000
21CONFIG_ENTRY_OFFSET	?= 0x00001000
22
23suffix-$(CONFIG_KERNEL_GZIP)  := gz
24suffix-$(CONFIG_KERNEL_BZIP2) := bz2
25suffix-$(CONFIG_KERNEL_LZMA)  := lzma
26
27targets := zImage vmlinux.srec romImage uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
28extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
29subdir- := compressed romimage
30
31$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
32	$(call if_changed,objcopy)
33	@echo '  Kernel: $@ is ready'
34
35$(obj)/compressed/vmlinux: FORCE
36	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
37
38$(obj)/romImage: $(obj)/romimage/vmlinux FORCE
39	$(call if_changed,objcopy)
40	@echo '  Kernel: $@ is ready'
41
42$(obj)/romimage/vmlinux: $(obj)/zImage FORCE
43	$(Q)$(MAKE) $(build)=$(obj)/romimage $@
44
45KERNEL_MEMORY := 0x00000000
46ifeq ($(CONFIG_PMB_FIXED),y)
47KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
48		     $$[$(CONFIG_MEMORY_START) & 0x1fffffff]')
49endif
50ifeq ($(CONFIG_29BIT),y)
51KERNEL_MEMORY := $(shell /bin/bash -c 'printf "0x%08x" \
52		     $$[$(CONFIG_MEMORY_START)]')
53endif
54
55KERNEL_LOAD	:= $(shell /bin/bash -c 'printf "0x%08x" \
56		     $$[$(CONFIG_PAGE_OFFSET)  + \
57			$(KERNEL_MEMORY) + \
58			$(CONFIG_ZERO_PAGE_OFFSET)]')
59
60KERNEL_ENTRY	:= $(shell /bin/bash -c 'printf "0x%08x" \
61		     $$[$(CONFIG_PAGE_OFFSET)  + \
62			$(KERNEL_MEMORY) + \
63			$(CONFIG_ZERO_PAGE_OFFSET) + $(CONFIG_ENTRY_OFFSET)]')
64
65quiet_cmd_uimage = UIMAGE  $@
66      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
67		   -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
68		   -n 'Linux-$(KERNELRELEASE)' -d $< $@
69
70$(obj)/vmlinux.bin: vmlinux FORCE
71	$(call if_changed,objcopy)
72
73$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
74	$(call if_changed,gzip)
75
76$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
77	$(call if_changed,bzip2)
78
79$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
80	$(call if_changed,lzma)
81
82$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
83	$(call if_changed,uimage,bzip2)
84
85$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
86	$(call if_changed,uimage,gzip)
87
88$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
89	$(call if_changed,uimage,lzma)
90
91OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
92$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
93	$(call if_changed,objcopy)
94
95OBJCOPYFLAGS_uImage.srec := -I binary -O srec
96$(obj)/uImage.srec: $(obj)/uImage
97	$(call if_changed,objcopy)
98
99$(obj)/uImage: $(obj)/uImage.$(suffix-y)
100	@ln -sf $(notdir $<) $@
101	@echo '  Image $@ is ready'
102
103export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
104       CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y
105