# # 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 # Add -v and -d flags for bdm info # Add -B flags to utilize hardware breakpoints when they are availiable #target remote | m68k-bdm-gdbserver pipe /dev/bdmcf0 target remote | m68k-bdm-gdbserver pipe /dev/tblcf2 -B #monitor set remote-debug 1 monitor bdm-reset # Set VBR to the beginning of what will be SRAM monitor bdm-ctl-set 0x0801 0x20000000 # Set RAMBAR1 monitor bdm-ctl-set 0x0C05 0x20000021 # Set FLASHBAR monitor bdm-ctl-set 0x0C04 0x00000061 # Enable PST[3:0] signals set *((char*) 0x40100074) = 0x0F # Add the load when debugging from ram which won't happen with rtems! #load