diff options
Diffstat (limited to 'sys/pc98')
| -rw-r--r-- | sys/pc98/cbus/sio.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/sys/pc98/cbus/sio.c b/sys/pc98/cbus/sio.c index d0173af..7089578 100644 --- a/sys/pc98/cbus/sio.c +++ b/sys/pc98/cbus/sio.c @@ -2268,12 +2268,16 @@ siointr1(com) u_char modem_status; u_char *ioptr; u_char recv_data; - #ifdef PC98 u_char tmp = 0; u_char rsa_buf_status = 0; int rsa_tx_fifo_size = 0; #endif /* PC98 */ +#if defined(KDB) && defined(ALT_BREAK_TO_DEBUGGER) + int kdb_brk; + +again: +#endif if (COM_IIR_TXRDYBUG(com->flags)) { int_ctl = inb(com->int_ctl_port); @@ -2368,9 +2372,24 @@ more_intr: #ifdef KDB #ifdef ALT_BREAK_TO_DEBUGGER if (com->unit == comconsole && - kdb_alt_break(recv_data, &com->alt_brk_state) != 0) - kdb_enter(KDB_WHY_BREAK, - "Break sequence on console"); + (kdb_brk = kdb_alt_break(recv_data, + &com->alt_brk_state)) != 0) { + mtx_unlock_spin(&sio_lock); + switch (kdb_brk) { + case KDB_REQ_DEBUGGER: + kdb_enter(KDB_WHY_BREAK, + "Break sequence on console"); + break; + case KDB_REQ_PANIC: + kdb_panic("panic on console"); + break; + case KDB_REQ_REBOOT: + kdb_reboot(); + break; + } + mtx_lock_spin(&sio_lock); + goto again; + } #endif /* ALT_BREAK_TO_DEBUGGER */ #endif /* KDB */ if (line_status & (LSR_BI | LSR_FE | LSR_PE)) { |
