include/asm-mips/qemu.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2005 by Ralf Baechle (ralf@linux-mips.org)
   7  */
   8 #ifndef __ASM_QEMU_H
   9 #define __ASM_QEMU_H
  10
  11 /*
  12  * Interrupt numbers
  13  */
  14 #define Q_PIC_IRQ_BASE          0
  15 #define Q_COUNT_COMPARE_IRQ     23
  16
  17 /*
  18  * Qemu clock rate.  Unlike on real MIPS this has no relation to the
  19  * instruction issue rate, so the choosen value is pure fiction, just needs
  20  * to match the value in Qemu itself.
  21  */
  22 #define QEMU_C0_COUNTER_CLOCK   100000000
  23
  24 /*
  25  * Magic qemu system control location.
  26  */
  27 #define QEMU_RESTART_REG        0xBFBF0000
  28 #define QEMU_HALT_REG           0xBFBF0004
  29
  30 #endif /* __ASM_QEMU_H */