Motorola 700 Series - Page 11

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Chapter 3 Debugger General Information
Overview of M68000 Firmware..........................................................................3-1
Description of 162Bug .........................................................................................3-1
162Bug Implementation......................................................................................3-3
Installation and Startup.......................................................................................3-3
Prom Versions ................................................................................................3-7
Autoboot................................................................................................................3-7
ROMboot...............................................................................................................3-9
Network Boot......................................................................................................3-10
Restarting the System........................................................................................3-10
Reset...............................................................................................................3-11
Abort..............................................................................................................3-11
Break..............................................................................................................3-12
SYSFAIL* Assertion/Negation..................................................................3-12
MPU Clock Speed Calculation...................................................................3-13
Memory Requirements......................................................................................3-13
Disk I/O Support...............................................................................................3-15
Blocks Versus Sectors ..................................................................................3-15
Device Probe Function................................................................................3-16
Disk I/O via 162Bug Commands..............................................................3-16
IOI (Input/Output Inquiry).................................................................3-16
IOP (Physical I/O to Disk)...................................................................3-16
IOT (I/O Teach).....................................................................................3-17
IOC (I/O Control).................................................................................3-17
BO (Bootstrap Operating System) ......................................................3-17
BH (Bootstrap and Halt) ......................................................................3-17
Disk I/O via 162Bug System Calls............................................................3-17
Default 162Bug Controller and Device Parameters................................3-19
Disk I/O Error Codes..................................................................................3-19
Network I/O Support .......................................................................................3-19
Intel 82596 LAN Coprocessor Ethernet Driver .......................................3-20
UDP/IP Protocol Modules.........................................................................3-20
RARP/ARP Protocol Modules ..................................................................3-21
BOOTP Protocol Module............................................................................3-21
TFTP Protocol Module................................................................................3-21
Network Boot Control Module..................................................................3-21
Network I/O Error Codes..........................................................................3-22