| 1,3 → 1,42 |
|---|
| /* |
| * Project: S.Ha.R.K. |
| * |
| * Coordinators: |
| * Giorgio Buttazzo <giorgio@sssup.it> |
| * Paolo Gai <pj@gandalf.sssup.it> |
| * |
| * Authors : |
| * Paolo Gai <pj@gandalf.sssup.it> |
| * (see the web pages for full authors list) |
| * |
| * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
| * |
| * http://www.sssup.it |
| * http://retis.sssup.it |
| * http://shark.sssup.it |
| */ |
| |
| /* |
| * Copyright (C) 2000 Giorgio Buttazzo, Paolo Gai |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * |
| * CVS : $Id: cabs.c,v 1.3 2003-01-07 17:10:15 pj Exp $ |
| */ |
| |
| /*--------------------------------------------------------------*/ |
| /* TEST ON CABS */ |
| /*--------------------------------------------------------------*/ |
| 49,32 → 88,6 |
|---|
| |
| /****************************************************************/ |
| |
| /* This is the exception handler. It is called when an exception |
| is raised. |
| It exits from the graphical mode, then it prints a message and |
| shutdown the kernel using sys_abort() |
| */ |
| |
| void demo_exc_handler(int signo, siginfo_t *info, void *extra) |
| { |
| struct timespec t; |
| |
| grx_close(); |
| |
| /* Default action for an kern exception is */ |
| kern_cli(); |
| ll_gettime(TIME_EXACT, &t), |
| kern_printf("\nS.Ha.R.K. Exception raised!!!" |
| "\nTime (s:ns) :%ld:%ld" |
| "\nException number:%d (numbers in include/bits/errno.h)" |
| "\nPID :%d\n", |
| t.tv_sec, t.tv_nsec, info->si_value.sival_int, |
| info->si_task); |
| sys_abort(1); |
| } |
| |
| /******************************************************************/ |
| |
| /* This function is called when Alt-X is pressed. |
| It simply shutdown the system using sys_end. |
| Note that the byebye() function is called only if we exit from |
| 109,7 → 122,7 |
|---|
| void byebye(void *arg) |
| { |
| grx_close(); |
| kern_printf("Bye Bye!\n"); |
| cprintf("Bye Bye!\n"); |
| } |
| |
| /*--------------------------------------------------------------*/ |
| 121,23 → 134,10 |
|---|
| |
| int main(int argc, char **argv) |
| { |
| struct sigaction action; |
| |
| char c = 0; /* character from keyboard */ |
| |
| /* Init the standard S.Ha.R.K. exception handler */ |
| action.sa_flags = SA_SIGINFO; /* Set the signal action */ |
| action.sa_sigaction = demo_exc_handler; |
| action.sa_handler = 0; |
| sigfillset(&action.sa_mask); /* we block all the other signals... */ |
| |
| if (sigaction(SIGHEXC, &action, NULL) == -1) { /* set the signal */ |
| perror("Error initializing signals..."); |
| sys_end(); |
| } |
| |
| /* Set the closing function */ |
| sys_atrunlevel(byebye, NULL, RUNLEVEL_BEFORE_EXIT|NO_AT_ABORT); |
| sys_atrunlevel(byebye, NULL, RUNLEVEL_BEFORE_EXIT); |
| |
| /* graphic card Initialization */ |
| if (grx_init() < 1) { |
| 145,10 → 145,9 |
|---|
| } |
| |
| if (grx_open(640, 480, 8) < 0) { |
| kern_printf("GRX Err\n"); |
| cprintf("GRX Err\n"); |
| sys_abort(1); |
| } |
| kern_printf("Video card ok!\n"); |
| |
| grx_clear(BLACK); |
| |