|Plan 9 from Bell Labs kernel images require additional setup to pass
|configuration information to the kernel. An environment variable named
|confaddr must be defined with the same value as CONFADDR (see mem.h).
|Use of this facility is optional, but should be preferable to manual
|When booting an image, arguments supplied to the bootm command will be
|copied to CONFADDR. If no arguments are specified, the contents of the
|bootargs environment variable will be copied.
|If no command line arguments or bootargs are defined, CONFADDR is left
|uninitialized to permit manual configuration. For example, PC-style
|configuration could be simulated by issuing a fatload in bootcmd:
| # setenv bootcmd fatload mmc 0 $confaddr plan9.ini; ...; bootm