[U-Boot] [U-Boot-Users] some flow about uboot
Hiroshi Ito
ito at mlb.co.jp
Wed Jan 27 14:41:49 CET 2010
>in config_cmd_default.h
>#ifndef CONFIG_SYS_NO_FLASH
>#define CONFIG_CMD_FLASH /* flinfo, erase, protect */
>#define CONFIG_CMD_IMLS /* List all found images */
>#else
>
>so in cmd_bootm.c below funciton will not be compiled
>#if defined(CONFIG_CMD_IMLS)
Please come again after studying C language.
>if I remember correctly, #ifdef XYZ and #if defined(XYZ) mean the same
>thing, right?
right.
and, #ifndef XYZ and #if !defined(XYZ) mean the same thing.
--------
Hiroshi Ito
Media Lab. Inc.,
URL http://www.mlb.co.jp ( Sorry, Japanese only. )
TEL +81-3-5294-7255 FAX +81-3-5294-7256
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