OpenWrt – Blame information for rev 4

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4 office 1 #
2 # Copyright (C) 2006-2010 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7 include $(TOPDIR)/rules.mk
8 include $(INCLUDE_DIR)/image.mk
9  
10 LOADADDR = 0x81000000 # RAM start + 16M
11 KERNEL_ENTRY = 0x80101000
12 RAMSIZE = 0x00100000 # 1MB
13 IMAGE_COPY = 1
14  
15 LOADER_MAKEOPTS= \
16 CROSS_COMPILE="$(TARGET_CROSS)" \
17 PATH="$(TARGET_PATH)" \
18 CC="$(TARGET_CC)" \
19 KDIR=$(KDIR) \
20 LOADADDR=$(LOADADDR) \
21 KERNEL_ENTRY=$(KERNEL_ENTRY) \
22 RAMSIZE=$(RAMSIZE) \
23 IMAGE_COPY=$(IMAGE_COPY)
24  
25  
26 LOADER_DIR = $(GENERIC_PLATFORM_DIR)/image/lzma-loader
27  
28 define Build/lzma-loader-elf
29 rm -rf $@.loader
30 mkdir -p $@.loader
31 $(CP) $(LOADER_DIR)/src/* $@.loader/
32 $(CP) $@ $@.loader/vmlinux.lzma
33 $(MAKE) -C $@.loader $(LOADER_MAKEOPTS)
34 cp $@.loader/lzma.elf $@
35 rm -rf $@.loader
36 endef
37  
38 define Device/nand
39 CMDLINE := ubi.mtd=1 ubi.block=0,rootfs root=/dev/ubiblock0_1
40 BOARD_NAME := rb532
41 SUPPORTED_DEVICES := rb532
42 KERNEL_INITRAMFS := append-kernel | patch-cmdline | lzma | lzma-loader-elf
43 KERNEL := $$(KERNEL_INITRAMFS) | kernel2minor -s 2048 -i 0 -c
44 IMAGES := sysupgrade.bin
45 FILESYSTEMS := squashfs
46 IMAGE/sysupgrade.bin := sysupgrade-tar | append-metadata
47 endef
48  
49 TARGET_DEVICES := nand
50  
51 define Build/Clean
52 $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
53 endef
54  
55 define Image/Prepare
56 cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
57 $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
58 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
59 $(STAGING_DIR_HOST)/bin/patch-cmdline $(KDIR)/vmlinux-initramfs '$(strip $(call Image/cmdline/yaffs2)) '
60 cat $(KDIR)/vmlinux-initramfs | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
61 $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
62 $(CP) $(KDIR)/loader.elf $(KDIR)/loader-initramfs.elf
63 endif
64 endef
65  
66 VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux-kernel
67  
68 define Image/BuildKernel
69 $(CP) $(KDIR)/loader.elf $(VMLINUX)
70 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
71 $(CP) $(KDIR)/loader-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs
72 endif
73 endef
74  
75 define Image/cmdline/yaffs2
76 root=/dev/mtdblock1 rootfstype=yaffs2
77 endef
78  
79 define Image/Build/squashfs
80 dd if=/dev/zero bs=128k count=1 >> $(KDIR)/root.squashfs
81 endef
82  
83 define Image/Build
84 $(call Image/Build/$(1),$(1))
85 $(CP) $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel
86 $(STAGING_DIR_HOST)/bin/patch-cmdline $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel 'root=/dev/sda2 '
87 ./gen_image.sh $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).bin \
88 6 $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel \
89 $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
90 128
91 endef
92  
93 $(eval $(call BuildImage))