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Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | # |
a556bec9 | 3 | # linux/arch/m32r/boot/compressed/Makefile |
1da177e4 LT |
4 | # |
5 | # create a compressed vmlinux image from the original vmlinux | |
6 | # | |
7 | ||
337214e8 HT |
8 | targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ |
9 | vmlinux.bin.lzma head.o misc.o piggy.o vmlinux.lds | |
1da177e4 LT |
10 | |
11 | OBJECTS = $(obj)/head.o $(obj)/misc.o | |
12 | ||
13 | # | |
14 | # IMAGE_OFFSET is the load offset of the compression loader | |
15 | # | |
16 | #IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x2000]) | |
17 | #IMAGE_OFFSET := $(shell printf "0x%08x" $$[$(CONFIG_MEMORY_START)+0x00400000]) | |
18 | ||
19 | LDFLAGS_vmlinux := -T | |
20 | ||
21 | $(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS) $(obj)/piggy.o FORCE | |
22 | $(call if_changed,ld) | |
1da177e4 LT |
23 | |
24 | $(obj)/vmlinux.bin: vmlinux FORCE | |
25 | $(call if_changed,objcopy) | |
26 | ||
27 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE | |
28 | $(call if_changed,gzip) | |
29 | ||
337214e8 HT |
30 | $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE |
31 | $(call if_changed,bzip2) | |
32 | ||
33 | $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE | |
34 | $(call if_changed,lzma) | |
35 | ||
1da177e4 LT |
36 | CFLAGS_misc.o += -fpic |
37 | ||
38 | ifdef CONFIG_MMU | |
39 | LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r-linux -T | |
40 | else | |
41 | LDFLAGS_piggy.o := -r --format binary --oformat elf32-m32r -T | |
42 | endif | |
43 | ||
44 | OBJCOPYFLAGS += -R .empty_zero_page | |
45 | ||
df12aef6 GU |
46 | suffix-$(CONFIG_KERNEL_GZIP) = gz |
47 | suffix-$(CONFIG_KERNEL_BZIP2) = bz2 | |
48 | suffix-$(CONFIG_KERNEL_LZMA) = lzma | |
337214e8 | 49 | |
a556bec9 | 50 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE |
1da177e4 | 51 | $(call if_changed,ld) |