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resource_tool
resource_tool 源码位于 /u-boot/tools/resource_tool, 编译uboot后即可生成对应的二进制文件。
解压resource.img
sudo resource_tool --verbose --unpack --image=resource.img [10:35:14][gyl]~/tmp/resource @ sudo ./resource_tool --verbose --unpack --image=resource.img Dump header: partition version:0.0 header size:1 index tbl: offset:1 entry size:1 entry num:2 Dump Index table: entry(0): path:rk-kernel.dtb offset:3 size:82316 D/dump_file(187): try to dump entry:rk-kernel.dtb D/mkdirs(175): mkdir:out entry(1): path:logo.bmp offset:164 size:127818 D/dump_file(187): try to dump entry:logo.bmp D/mkdirs(175): mkdir:out Unack resource.img to out successed! 生成out目录访问需要root权限
@ ll total 728 drwxrwxr-x 3 gyl gyl 4096 Nov 22 10:35 ./ drwxrwxr-x 6 gyl gyl 12288 Nov 22 10:34 ../ d--------- 2 root root 4096 Nov 22 10:35 out/ -rw-rw-r-- 1 gyl gyl 211968 Nov 21 15:23 resource.img -rwxrwxr-x 1 gyl gyl 511440 Nov 15 16:08 resource_tool* d--------- 2 root root 4096 Nov 22 10:35 ./ drwxrwxr-x 3 gyl gyl 4096 Nov 22 10:35 ../ -rw-r--r-- 1 root root 127818 Nov 22 10:35 logo.bmp -rw-r--r-- 1 root root 82316 Nov 22 10:35 rk-kernel.dtb 其中logo.bmp 为开机logo， rk-kernel.dtb 为dts的二进制文件
解压dtb
解压dtb需要工具dtc，该工具位于 kernel/scripts/dtc 目录下，编译kernel后即可生成。
dtc -I dtb -O dts -o xxx.dts xxx.dtb ##resource.img 打包
resource_tool --verbose --pack out/logo.bmp out/rk-kernel.dtb resource.img D/main(107): try to pack 3 files. D/write_header(370): try to write header... D/write_index_tbl(386): try to write index table... D/get_file_size(322): try to get size(out/rk-kernel.dtb)... D/get_file_size(328): path:out/rk-kernel.dtb, size:82316 D/write_file(333): try to write file(out/rk-kernel.dtb) to offset:3... D/get_file_size(322): try to get size(out/rk-kernel.dtb)... D/get_file_size(328): path:out/rk-kernel.dtb, size:82316 D/write_index_tbl(404): try to write index entry(out/rk-kernel.dtb)... D/write_index_tbl(422): mod fdt path:out/rk-kernel.dtb -> rk-kernel.dtb... D/get_file_size(322): try to get size(out/logo.bmp)... D/get_file_size(328): path:out/logo.bmp, size:127818 D/write_file(333): try to write file(out/logo.bmp) to offset:164... D/get_file_size(322): try to get size(out/logo.bmp)... D/get_file_size(328): path:out/logo.bmp, size:127818 D/write_index_tbl(404): try to write index entry(out/logo.bmp)... Pack to resource.img successed! 文章来源: https://blog.csdn.net/hbcbgcx/article/details/89397136