xi
IOT (Input/Output Teach) ....................................................................... 3-11
IOC (Input/Output Control) ................................................................... 3-11
BO (Bootstrap Operating System) ........................................................... 3-11
BH (Bootstrap and Halt) ........................................................................... 3-11
Disk I/O via 197Bug System Calls .......................................................... 3-12
Default 197Bug Controller and Device Parameters ..................................... 3-13
Disk I/O Error Codes ....................................................................................... 3-13
Network I/O Support ...................................................................................... 3-13
Physical Layer Manager Ethernet Driver............................................... 3-14
UDP/IP Protocol Modules ....................................................................... 3-14
RARP/ARP Protocol Modules ................................................................ 3-14
BOOTP Protocol Module .......................................................................... 3-14
TFTP Protocol Module .............................................................................. 3-14
Network Boot Control Module................................................................ 3-15
Network I/O Error Codes ........................................................................ 3-15
Multiprocessor Support .......................................................................................... 3-15
Multiprocessor Control Register (MPCR) Method ...................................... 3-15
GCSR Method.................................................................................................... 3-17
Diagnostic Facilities ................................................................................................. 3-17
CHAPTER 4
USING THE 197Bug DEBUGGER
Entering Debugger Command Lines ...................................................................... 4-1
Syntactic Variables .............................................................................................. 4-2
Expression as a Parameter.......................................................................... 4-2
Address as a Parameter .............................................................................. 4-4
Address Formats.......................................................................................... 4-4
Offset Registers ............................................................................................ 4-4
Port Numbers ...................................................................................................... 4-5
Entering and Debugging Programs......................................................................... 4-5
Calling System Utilities From User Programs ....................................................... 4-6
Preserving The Debugger Operating Environment .............................................. 4-6
197Bug Vector Table and Workspace................................................................ 4-6
Hardware Functions ........................................................................................... 4-6
Exception Vectors Used by 197Bug .................................................................. 4-6
CPU/MPU Registers .......................................................................................... 4-7
Floating Point Support .............................................................................................. 4-7
Single Precision Real........................................................................................... 4-8
Double Precision Real......................................................................................... 4-8
Scientific Notation............................................................................................... 4-8
197Bug Debugger Command Set............................................................................. 4-9
Solution Systems Technologies Inc.
720-565-5995 | [email protected] | www.solusys.com
Solution Systems Technologies Inc.
720-565-5995 | [email protected] | www.solusys.com
