kernel/arch/i386/include/ipi.h

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #ifndef _IPI_H
  21 #define _IPI_H
  22
  23 /* Local APIC registers */
  24 #define LAPIC_REG_INT_LOW               0xc0
  25 #define LAPIC_REG_INT_HIGH              0xc4
  26
  27 /* Local APIC int vectors */
  28 #define LAPIC_IV_TIMER                  0xe0
  29 #define LAPIC_IV_LINT0                  0xe1
  30 #define LAPIC_IV_LINT1                  0xe2
  31 #define LAPIC_IV_ERROR                  0xe3
  32 #define LAPIC_IV_SPURIOUS               0xef
  33
  34 /* Local APIC register's flags */
  35 #define LAPIC_REG_FLAG_WRITE            0x4000
  36
  37 /* Interprocessor interrupt types */
  38 #define IPI_TYPE_FIXED                  0x0
  39 #define IPI_TYPE_INIT                   0x500
  40 #define IPI_TYPE_SIPI                   0x600
  41
  42 extern unsigned ipi_lapic_init (unsigned addr);
  43
  44 #endif