i386/MIT/course/src/git.lab/kern/console.h

   1 /* See COPYRIGHT for copyright information. */
   2
   3 #ifndef _CONSOLE_H_
   4 #define _CONSOLE_H_
   5 #ifndef JOS_KERNEL
   6 # error "This is a JOS kernel header; user programs should not #include it"
   7 #endif
   8
   9 #include <inc/types.h>
  10
  11 #define MONO_BASE       0x3B4
  12 #define MONO_BUF        0xB0000
  13 #define CGA_BASE        0x3D4
  14 #define CGA_BUF         0xB8000
  15
  16 #define CRT_ROWS        25
  17 #define CRT_COLS        80
  18 #define CRT_SIZE        (CRT_ROWS * CRT_COLS)
  19
  20 void cons_init(void);
  21 int cons_getc(void);
  22
  23 void kbd_intr(void); // irq 1
  24 void serial_intr(void); // irq 4
  25
  26 #endif /* _CONSOLE_H_ */