kernel2/include/interrupt.h

   1 /*
   2     meinOS - A unix-like x86 microkernel operating system
   3     Copyright (C) 2008  Janosch Gräf <janosch.graef@gmx.net>
   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 #ifndef _INTERRUPT_H_
  20 #define _INTERRUPT_H_
  21
  22 #include <stdint.h>
  23 #include <llist.h>
  24 #include <procm.h>
  25
  26 #define INTERRUPT_EXCEPTION_DIVIDE_ERROR      0x00
  27 #define INTERRUPT_EXCEPTION_DEBUG_EXCEPTION   0x01
  28 #define INTERRUPT_EXCEPTION_BREAKPOINT        0x03
  29 #define INTERRUPT_EXCEPTION_OVERFLOW          0x04
  30 #define INTERRUPT_EXCEPTION_BOUNDS_CHECK      0x05
  31 #define INTERRUPT_EXCEPTION_INVALID_OPCODE    0x06
  32 #define INTERRUPT_EXCEPTION_COPROCESSOR_NA    0x07
  33 #define INTERRUPT_EXCEPTION_DOUBLE_FAULT      0x08
  34 #define INTERRUPT_EXCEPTION_COPROCESSOR_SO    0x09
  35 #define INTERRUPT_EXCEPTION_INVALID_TSS       0x0A
  36 #define INTERRUPT_EXCEPTION_SEGMENT_NP        0x0B
  37 #define INTERRUPT_EXCEPTION_STACK_EXCEPTION   0x0C
  38 #define INTERRUPT_EXCEPTION_GPF               0x0D
  39 #define INTERRUPT_EXCEPTION_PAGE_FAULT        0x0E
  40 #define INTERRUPT_EXCEPTION_COPROCESSOR_ERROR 0x10
  41
  42 typedef struct interrupt_sleep_S interrupt_sleep_t;
  43
  44 struct interrupt_sleep_S {
  45   enum { TIME_SLEEP, TIME_HANDLER } type;
  46   unsigned long long usec;
  47   proc_t *proc;
  48 };
  49
  50 typedef struct {
  51   enum { IRQ_SLEEP, IRQ_HANDLER } type;
  52   proc_t *proc;
  53   void *func;
  54 } interrupt_irq_t;
  55
  56 struct cpu_registers interrupt_curregs;
  57
  58 llist_t interrupt_sleep;
  59 int interrupt_enabled;
  60 llist_t interrupt_irq[16];
  61
  62 int interrupt_init();
  63 void interrupt_handler(unsigned int interrupt,uint32_t *stack);
  64 void interrupt_lapic_handler(unsigned int interrupt);
  65 void interrupt_irq_handler(unsigned int irq);
  66 void interrupt_exception_handler(unsigned int exception,uint32_t errcode);
  67 void interrupt_enable(int enable);
  68 int interrupt_irq_reghandler(unsigned int irq,void *func);
  69 int interrupt_irq_sleep(unsigned int irq);
  70 void interrupt_irq_check(unsigned int irq);
  71 int interrupt_time_sleep(unsigned int sec);
  72 int interrupt_time_usleep(unsigned int usec);
  73 void interrupt_time_check(unsigned int usec);
  74 clock_t interrupt_time_getticks();
  75 uint32_t *interrupt_save_stack(uint32_t *stack,uint32_t *errorcode);
  76
  77 #endif