RTOS/rtems
1
0
Fork 0
forked from Imagelibrary/rtems
Code Pull Requests Activity

2007-12-14 Chris Johns <chrisj@rtems.org>

Browse Source 
* gdb-init: Add the show-exception.
This commit is contained in:
Chris Johns
2007-12-14 04:52:24 +00:00
parent dcdaba216a
commit 2199d748f5
2 changed files with 30 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
c/src/lib/libbsp/m68k/mcf5235/ChangeLog
View File

@@ -1,3 +1,7 @@
2007-12-14 Chris Johns <chrisj@rtems.org>
* gdb-init: Add the show-exception.
2007-12-11 Joel Sherrill <joel.sherrill@OARcorp.com>
* include/bsp.h, startup/bspstart.c: Eliminate copies of the

27
c/src/lib/libbsp/m68k/mcf5235/gdb-init
View File

@@ -4,11 +4,36 @@
target remote | m68k-bdm-gdbserver pipe /dev/bdmcf0
#
# The console loop the Axman dbug monitor. Found by trial and error
# The console loop in the Axman dbug monitor. Found by trial and error
# with the debugger.
#
hb *0xffe254c0
#
# Show the exception stack frame.
#
define show-exception-sframe
set $frsr = *(unsigned short *)((unsigned long)$sp + 2)
set $frpc = *(unsigned long *)((unsigned long)$sp + 4)
set $frfvo = *(unsigned short *)((unsigned long)$sp + 0)
set $frcode = $frfvo >> 12
set $frvect = ($frfvo & 0xFFF) >> 2
set $frstatus = ((($frfvo >> 10) & 3) << 2) | ($frfvo & 3)
printf "EXCEPTION -- SR:0x%X PC:0x%X FRAME:0x%x VECTOR:%d STATUS:%d\n", $frsr, $frpc, $frcode, $frvect, $frstatus
if $frstatus == 4
printf " Fault Type: Error on instruction fetch"
end
if $frstatus == 8
printf " Fault Type: Error on operand write"
end
if $frstatus == 12
printf " Fault Type: Error on operand read"
end
if $frstatus == 9
printf " Fault Type: Attempted write to write-protected space"
end
end
#
# Run to initialise the RAM. The target will stop when the
# breakpoint is hit. Load the program.