Difference between revisions of "YAMON"

Revision as of 18:58, 22 November 2004

YAMONâ„¢ is the ROM monitor used on MIPS Technologies' development boards.

YAMON. (You need a free registration to download a documentation and sourcecode)

An example of YAMON boot log on a MIPS Malta Board with a 24Kc core:

YAMON ROM Monitor, Revision 02.06. Copyright (c) 1999-2004 MIPS Technologies, Inc. - All Rights Reserved.

For a list of available commands, type 'help'.

Compilation time = Mar 23 2004 16:50:44 Board type/revision = 0x02 (Malta) / 0x00 Core board type/revision = 0x07 (CoreFPGA-2) / 0x00 System controller/revision = MIPS SOC-it 101 OCP / 1.3 SDR-FW-1:1 FPGA revision = 0x0001 MAC address = 00.d0.a0.00.04.2b Board S/N = 0000000819 PCI bus frequency = 33.33 MHz Processor Company ID/options = 0x01 (MIPS Technologies, Inc.) / 0x00 Processor ID/revision = 0x93 (MIPS 24Kc) / 0x60 Endianness = Little CPU/Bus frequency = 25 MHz / 25 MHz Flash memory size = 4 MByte SDRAM size = 64 MByte First free SDRAM address = 0x800b3860

Example of environment variables in YAMON YAMON> set

baseboardserial (RO) 0000000819 bootfile (R/W) bootprot (R/W) tftp bootserport (R/W) tty0 bootserver (R/W) 0.0.0.0 cpuconfig (R/W) ethaddr (RO) 00.d0.a0.00.04.2b fpu (R/W) gateway (R/W) 0.0.0.0 ipaddr (R/W) 10.0.0.100 memsize (RO) 0x04000000 modetty0 (R/W) 38400,n,8,1,hw modetty1 (R/W) 38400,n,8,1,hw prompt (R/W) YAMON start (R/W) startdelay (R/W) subnetmask (R/W) 255.255.255.0 yamonrev (RO) 02.06

An srec kernel image can be loaded in YAMON as follows:

load tftfp://<tftp server name>/<srec file in /tftpboot>

for example, if I have a vmlinux.srec in /tftpboot on 10.0.0.139, then:

load tftp://10.0.0.139/vmlinux.srec