diff options
Diffstat (limited to 'bsps/m68k/mcf52235/gdb-init')
| -rw-r--r-- | bsps/m68k/mcf52235/gdb-init | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/bsps/m68k/mcf52235/gdb-init b/bsps/m68k/mcf52235/gdb-init new file mode 100644 index 0000000000..cb94382b4d --- /dev/null +++ b/bsps/m68k/mcf52235/gdb-init @@ -0,0 +1,48 @@ +# +# 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 |