u-boot-2012.10 官方文档翻译--目录层次结构

Directory Hierarchy:
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目录层次结构

/arch Architecture specific files
  /arm Files generic to ARM architecture
    /cpu CPU specific files
      /arm720t Files specific to ARM 720 CPUs
      /arm920t Files specific to ARM 920 CPUs
/at91 Files specific to Atmel AT91RM9200 CPU
/imx Files specific to Freescale MC9328 i.MX CPUs
/s3c24x0 Files specific to Samsung S3C24X0 CPUs
      /arm925t Files specific to ARM 925 CPUs
      /arm926ejs Files specific to ARM 926 CPUs
      /arm1136 Files specific to ARM 1136 CPUs
      /ixp Files specific to Intel XScale IXP CPUs
      /pxa Files specific to Intel XScale PXA CPUs
      /s3c44b0 Files specific to Samsung S3C44B0 CPUs
      /sa1100 Files specific to Intel StrongARM SA1100 CPUs
    /lib Architecture specific library files
  /avr32 Files generic to AVR32 architecture
    /cpu CPU specific files
    /lib Architecture specific library files
  /blackfin Files generic to Analog Devices Blackfin architecture
    /cpu CPU specific files
    /lib Architecture specific library files
  /x86 Files generic to x86 architecture
    /cpu CPU specific files
    /lib Architecture specific library files
  /m68k Files generic to m68k architecture
    /cpu CPU specific files
      /mcf52x2 Files specific to Freescale ColdFire MCF52x2 CPUs
      /mcf5227x Files specific to Freescale ColdFire MCF5227x CPUs
      /mcf532x Files specific to Freescale ColdFire MCF5329 CPUs
      /mcf5445x Files specific to Freescale ColdFire MCF5445x CPUs
      /mcf547x_8x Files specific to Freescale ColdFire MCF547x_8x CPUs
    /lib Architecture specific library files
  /microblaze Files generic to microblaze architecture
    /cpu CPU specific files
    /lib Architecture specific library files
  /mips Files generic to MIPS architecture
    /cpu CPU specific files
      /mips32 Files specific to MIPS32 CPUs
      /xburst Files specific to Ingenic XBurst CPUs
    /lib Architecture specific library files
  /nds32 Files generic to NDS32 architecture
    /cpu CPU specific files
      /n1213 Files specific to Andes Technology N1213 CPUs
    /lib Architecture specific library files
  /nios2 Files generic to Altera NIOS2 architecture
    /cpu CPU specific files
    /lib Architecture specific library files
  /powerpc Files generic to PowerPC architecture
    /cpu CPU specific files
      /74xx_7xx Files specific to Freescale MPC74xx and 7xx CPUs
      /mpc5xx Files specific to Freescale MPC5xx CPUs
      /mpc5xxx Files specific to Freescale MPC5xxx CPUs
      /mpc8xx Files specific to Freescale MPC8xx CPUs
      /mpc8220 Files specific to Freescale MPC8220 CPUs
      /mpc824x Files specific to Freescale MPC824x CPUs
      /mpc8260 Files specific to Freescale MPC8260 CPUs
      /mpc85xx Files specific to Freescale MPC85xx CPUs
      /ppc4xx Files specific to AMCC PowerPC 4xx CPUs
    /lib Architecture specific library files
  /sh Files generic to SH architecture
    /cpu CPU specific files
      /sh2 Files specific to sh2 CPUs
      /sh3 Files specific to sh3 CPUs
      /sh4 Files specific to sh4 CPUs
    /lib Architecture specific library files
  /sparc Files generic to SPARC architecture
    /cpu CPU specific files
      /leon2 Files specific to Gaisler LEON2 SPARC CPU
      /leon3 Files specific to Gaisler LEON3 SPARC CPU
    /lib Architecture specific library files
/api Machine/arch independent API for external apps
/board Board dependent files
/common Misc architecture independent functions
/disk Code for disk drive partition handling
/doc Documentation (don't expect too much)
/drivers Commonly used device drivers
/examples Example code for standalone applications, etc.
/fs Filesystem code (cramfs, ext2, jffs2, etc.)
/include Header Files
/lib Files generic to all architectures
  /libfdt Library files to support flattened device trees
  /lzma Library files to support LZMA decompression
  /lzo Library files to support LZO decompression
/net Networking code
/post Power On Self Test
/rtc Real Time Clock drivers
/tools Tools to build S-Record or U-Boot images, etc.