qemu/roms/openbios/arch/sparc32/console.c

   1 /*
   2  * Copyright (C) 2003, 2004 Stefan Reinauer
   3  *
   4  * See the file "COPYING" for further information about
   5  * the copyright and warranty status of this work.
   6  */
   7
   8 #include "config.h"
   9 #include "kernel/kernel.h"
  10 #include "drivers/drivers.h"
  11 #include "openbios.h"
  12 #include "libopenbios/console.h"
  13 #include "libopenbios/ofmem.h"
  14 #include "libopenbios/video.h"
  15
  16 #ifdef CONFIG_DEBUG_CONSOLE
  17
  18 /* ******************************************************************
  19  *      common functions, implementing simple concurrent console
  20  * ****************************************************************** */
  21
  22 static int arch_putchar(int c)
  23 {
  24 #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
  25         escc_uart_putchar(c);
  26 #endif
  27         return c;
  28 }
  29
  30 static int arch_availchar(void)
  31 {
  32 #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
  33         if (escc_uart_charav(CONFIG_SERIAL_PORT))
  34                 return 1;
  35 #endif
  36 #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
  37         if (keyboard_dataready())
  38                 return 1;
  39 #endif
  40         return 0;
  41 }
  42
  43 static int arch_getchar(void)
  44 {
  45 #ifdef CONFIG_DEBUG_CONSOLE_SERIAL
  46         if (escc_uart_charav(CONFIG_SERIAL_PORT))
  47                 return (escc_uart_getchar(CONFIG_SERIAL_PORT));
  48 #endif
  49 #ifdef CONFIG_DEBUG_CONSOLE_VIDEO
  50         if (keyboard_dataready())
  51                 return (keyboard_readdata());
  52 #endif
  53         return 0;
  54 }
  55
  56 struct _console_ops arch_console_ops = {
  57         .putchar = arch_putchar,
  58         .availchar = arch_availchar,
  59         .getchar = arch_getchar
  60 };
  61
  62 #endif                          // CONFIG_DEBUG_CONSOLE