User`s manual

Firmware Debug Logging
SBCSCSI/D1 5-7
5
have been extra bytes in which a trace entry would not fit.
sdt_alloc() uses this field to determine the bounds of the log
when a wraparound situation occurs.
0x0C - Current This is a pointer to the last trace entry which was logged.
0x10 - 68K This is an eyecatcher to inform the user that the next field
(68Ksize) is the number to specify when displaying a trace
entry with the 68K ROM debugger MD command.
0x14 - 68Ksize This is the number to specify when displaying a trace entry
with the 68K ROM debugger
MD command.
0x18 - 88K This is an eyecatcher to inform the user that the next field
(88Ksize) is the number to specify when displaying a trace
entry with the 88K ROM debugger MD command.
0x1C - 88Ksize This is the number to specify when displaying a trace entry
with the 88K ROM debugger MD command.
2. Extract the following values from the first_entry.
The current trace entry pointer = 0x7FD070.
The trace entry frame size = 0x98.
3. Display trace entries from the current trace frame to sequentially older
entries in memory.
167-Bug>md 7fd070:98
007FD070 4E43 5220 434F 4D50 0000 0000 0000 0000 NCR COMP........
007FD080 0000 0000 AE01 20D4 0000 8080 0000 0000 ...... .........
007FD090 0F00 0000 FF00 0000 0000 F000 1200 0000 ................
007FD0A0 FFF4 7036 0100 0000 9808 0000 0000 6DFC ..p6..........m.
007FD0B0 0000 6DFC FF83 33CC 0008 020E 2100 3DE0 ..m...3.....!.=.
007FD0C0 0083 A1C8 0000 0200 0000 E000 0000 000A ................
007FD0D0 0000 1098 0000 0001 0000 10E7 0000 0006 ................
007FD0E0 0000 10C0 0000 0001 0000 611C 0001 0000 ..........a.....
007FD0F0 0000 1084 0008 000E 0000 0000 0000 0000 ................
007FD100 0000 0000 0000 60CC 0000 0000 8004 000E ......`.........
007FD110 0000 0000 0000 0000 0000 000A 2800 0000 ............(...
007FD120 0000 0000 0100 0000 0000 0007 0000 10B1 ................
007FD130 0103 0100 0000 0000 0000 0000 0000 0006 ................
007FD140 0000 10C0 C001 0301 1900 0000 0000 0000 ................
007FD150 0000 0000 0000 E000 0000 0000 0000 0000 ................
007FD160 0000 0000 FF84 E120 0000 0000 0000 0200 ....... ........
007FD170 0000 0000 0000 0000 0000 0000 0000 0000 ................
007FD180 0000 1084 0000 0000 0000 0001 0000 6F64 ..............od
007FD190 0000 0000 0000 0000 0000 0000 0000 0000 ................