最終更新:2024-11-29 (金) 07:14:16 (9d)  

dtc
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Device Tree Compiler

http://manpages.ubuntu.com/manpages/xenial/man1/dtc.1.html

例 

  • dtc -I dtb boot.img-second.gz -O dts -o meson8_tm8.dtd
dtc -I dtb -O dts /sys/firmware/fdt -o ~/devicetree.dts
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ファイル

  • DTS - Device Tree Source
  • DTB - Device Tree Blob
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Linuxカーネル

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Ubuntu/パッケージ

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help 

  • Usage: dtc [options] <input file>

Options: -[qI:O:o:V:d:R:S:p:a:fb:i:H:sW:E:@AThv]
  -q, --quiet                
	Quiet: -q suppress warnings, -qq errors, -qqq all
  -I, --in-format <arg>      
	Input formats are:
		dts - device tree source text
		dtb - device tree blob
		fs  - /proc/device-tree style directory
  -o, --out <arg>            
	Output file
  -O, --out-format <arg>     
	Output formats are:
		dts - device tree source text
		dtb - device tree blob
		yaml - device tree encoded as YAML
		asm - assembler source
  -V, --out-version <arg>    
	Blob version to produce, defaults to 17 (for dtb and asm output)
  -d, --out-dependency <arg> 
	Output dependency file
  -R, --reserve <arg>        
	Make space for <number> reserve map entries (for dtb and asm output)
  -S, --space <arg>          
	Make the blob at least <bytes> long (extra space)
  -p, --pad <arg>            
	Add padding to the blob of <bytes> long (extra space)
  -a, --align <arg>          
	Make the blob align to the <bytes> (extra space)
  -b, --boot-cpu <arg>       
	Set the physical boot cpu
  -f, --force                
	Try to produce output even if the input tree has errors
  -i, --include <arg>        
	Add a path to search for include files
  -s, --sort                 
	Sort nodes and properties before outputting (useful for comparing trees)
  -H, --phandle <arg>        
	Valid phandle formats are:
		legacy - "linux,phandle" properties only
		epapr  - "phandle" properties only
		both   - Both "linux,phandle" and "phandle" properties
  -W, --warning <arg>        
	Enable/disable warnings (prefix with "no-")
  -E, --error <arg>          
	Enable/disable errors (prefix with "no-")
  -@, --symbols              
	Enable generation of symbols
  -A, --auto-alias           
	Enable auto-alias of labels
  -T, --annotate             
	Annotate output .dts with input source file and line (-T -T for more details)
  -h, --help                 
	Print this help and exit
  -v, --version              
	Print version and exit
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