RedBoot

redboot는 RedHat Embedded Debug and Bootstrap firmware 이다.
redhat 사에서 만들은 bootstrap firmware인데, uboot를 주로 쓰던 나로서는
웬지 익숙하지 않은 명령어만 잔뜩 나온다.

uboot의 res(reset)은 redboot의 go 이다.

tynux box가 redboot인데, 이녀석에게서 도움말을 치니 아래와 같이 나온다.

boot - Boot Linux Kernel go [-w <timeout>] [entry] Execute code at a location cache [ON | OFF] Manage machine caches fis {cmds} Manage FLASH images cksum -b <location> -l <length> Compute a 32bit checksum [POSIX algorithm] for a range of memory d_cp15 Dump the contents of register 0 to 6 of the coprocessor 15 dump -b <location> [-l <length>] [-s] [-1|2|4] Display (hex dump) a range of memory memcpy -b <address> -l <length> <target address> Copy the contents of memory load [-r] [-v] [-h <host>] [-m {TFTP | xyzMODEM -c <channel_number>}]        [-b <base_address>] <file_name> Load a file version Display RedBoot version information help [<topic>] Help about help? ldrb <address> Read 8 bits value from the address ldrh <address> Read 16 bits value from the address ldr <address> Read 32 bits value from the address strb -b <address> <value> - Write 8 bits value to the address strh -b <address> <value> - Write 16 bits value to the address str -b <address> <value> - Write 32 bits value to the address macro Num CommandStrings Set Macro 0 Display All Macros 1 Execute macro 1 2 Execute macro 2 3 Execute macro 3 4 Execute macro 4 5 Execute macro 5 6 Execute macro 6 7 Execute macro 7 8 Execute macro 8 9 Execute macro 9 mac [read | write] <new addr> Read / Write MAC address ping [-v] [-n <count>] [-l <length>] [-t <timeout>] [-r <rate>]        [-i <IP_addr>] -h <IP_addr> Network connectivity test Run a script located at the given address The script should end with end    script <address>

RedBoot> help Boot Linux Kernel    boot Manage machine caches    cache [ON | OFF] Compute a 32bit checksum [POSIX algorithm] for a range of memory    cksum -b <location> -l <length> Dump the contents of register 0 to 6 of the coprocessor 15    d_cp15 Display (hex dump) a range of memory    dump -b <location> [-l <length>] [-s] [-1|2|4] Manage FLASH images    fis {cmds} Execute code at a location    go [-w <timeout>] [entry] Help about help?    help [<topic>] Read 32 bits value from the address    ldr <address> Read 8 bits value from the address    ldrb <address> Read 16 bits value from the address    ldrh <address> Load a file    load [-r] [-v] [-h <host>] [-m {TFTP | xyzMODEM -c <channel_number>}]         [-b <base_address>] <file_name> Read / Write MAC address    mac read | write <new addr> Execute macro 1    1 Execute macro 2    2 Execute macro 3    3 Execute macro 4    4 Execute macro 5    5 Execute macro 6    6 Execute macro 7    7 Execute macro 8    8 Execute macro 9    9 Set Macro    macro Num CommandStrings Copy the contents of memory    memcpy -b <address> -l <length> <target address> Network connectivity test    ping [-v] [-n <count>] [-l <length>] [-t <timeout>] [-r <rate>]         [-i <IP_addr>] -h <IP_addr> Run a script located at the given address The script should end with end    script <address> Display All Macros    0 Write 32 bits value to the address    str -b <address> <value> Write 8 bits value to the address    strb -b <address> <value> Write 16 bits value to the address    strh -b <address> <value> Display RedBoot version information    version

RedBoot> fis *** invalid 'fis' command: too few arguments Usage:   fis create -b <mem_base> -l <image_length> [-s <data_length>]       [-f <flash_addr>] [-e <entry_point>] [-r <ram_addr>] [-n] <name>   fis delete name   fis erase -f <flash_addr> -l <length>   fis free   fis init [-f]   fis list [-c] [-d]   fis load [-b <memory_load_address>] [-c] name   fis lock -f <flash_addr> -l <length>   fis unlock -f <flash_addr> -l <length>   fis write -f <flash_addr> -b <mem_base> -l <image_length>

[링크 : http://ecos.sourceware.org/docs-latest/redboot/redboot-guide.html]
[링크 : http://en.wikipedia.org/wiki/RedBoot]

RedBoot -> u-Boot
환경변수는 RedBoot에서 불러오지 않고 별도로 설정해준다.
[링크 : http://bugcommunity.com/wiki/index.php/U-boot]