sim_int.c 1.2 KB

1234567891011121314151617181920212223242526272829303132333435363738394041
  1. /*
  2. * Copyright (C) 1999, 2005 MIPS Technologies, Inc. All rights reserved.
  3. *
  4. * This program is free software; you can distribute it and/or modify it
  5. * under the terms of the GNU General Public License (Version 2) as
  6. * published by the Free Software Foundation.
  7. *
  8. * This program is distributed in the hope it will be useful, but WITHOUT
  9. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  11. * for more details.
  12. *
  13. * You should have received a copy of the GNU General Public License along
  14. * with this program; if not, write to the Free Software Foundation, Inc.,
  15. * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
  16. *
  17. */
  18. #include <linux/init.h>
  19. #include <linux/sched.h>
  20. #include <linux/slab.h>
  21. #include <linux/interrupt.h>
  22. #include <linux/kernel_stat.h>
  23. #include <asm/mips-boards/simint.h>
  24. extern void mips_cpu_irq_init(int);
  25. extern asmlinkage void simIRQ(void);
  26. asmlinkage void sim_hw0_irqdispatch(struct pt_regs *regs)
  27. {
  28. do_IRQ(2, regs);
  29. }
  30. void __init arch_init_irq(void)
  31. {
  32. /* Now safe to set the exception vector. */
  33. set_except_vector(0, simIRQ);
  34. mips_cpu_irq_init(MIPSCPU_INT_BASE);
  35. }