Kernel/Interrupt.c

   1 /*!
   2         Interrupt.c
   3         Interrupt Handler and so on.
   4         (C) 2014 VOSystems.
   5 */
   6
   7 #include<VaneOS.h>
   8 #include<KeyBoard.h>
   9 #include<Interrupt.h>
  10 #include<scancode.h>
  11 #include<Message.h>
  12 #include<timer.h>
  13
  14 #define UINT_MAX 0x100000000
  15
  16 static volatile unsigned int timer_tick;
  17 int system_key_code_flag,break_flag;
  18 unsigned long long input;
  19
  20 struct msg_data kernel;
  21 int kernelbuf[32];
  22
  23 void timer_interrupt( void )
  24 {
  25         /*count tick*/
  26         timer_tick++;
  27
  28         if(timer.next>timer.count)
  29         {
  30                 return;
  31         }
  32         int i;
  33         for(i=0;i<timer.using;i++)
  34         {
  35                 if(timer.timers[i]->timeout>timer.count)
  36                 {
  37                         break;
  38                 }
  39                 timer.timers[i]->flags=TIMER_FLAGS_ALLOC;
  40                 msg_put(timer.timers[i]->msg,timer.timers[i]->data);
  41         }
  42         int j;
  43         timer.using-=i;
  44         for(j=0;j<timer.using;j++)
  45         {
  46                 timer.timers[j]=timer.timers[j+i];
  47         }
  48         if(timer.using>0){
  49                 timer.next=timer.timers[0]->timeout;
  50         }else{
  51                 timer.next=0xffffffff;
  52         }
  53         return;
  54 }
  55
  56 void keyboard_interrupt( void )
  57 {
  58         msg_put(&kernel,readKbdEncBuffer()+buf_separate_keyboard);
  59 }
  60
  61 inline void enable()
  62 {
  63   __asm__ __volatile__ ("sti");
  64 }
  65
  66 inline void disable()
  67 {
  68   __asm__ __volatile__ ("cli");
  69 }