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https://gitlab.com/qemu-project/openbios.git
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91a9c7865a
git-svn-id: svn://coreboot.org/openbios/openbios-devel@377 f158a5a8-5612-0410-a976-696ce0be7e32
75 lines
1.6 KiB
C
75 lines
1.6 KiB
C
/*
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* Copyright (C) 2003, 2004 Stefan Reinauer
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*
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* See the file "COPYING" for further information about
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* the copyright and warranty status of this work.
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*/
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#include "openbios/config.h"
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#include "openbios/bindings.h"
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#include "openbios/kernel.h"
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#include "openbios/drivers.h"
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#include "openbios/fontdata.h"
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#include "openbios.h"
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#include "video_subr.h"
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#include "libc/vsprintf.h"
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#include "sys_info.h"
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#include "boot.h"
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/* ******************************************************************
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* simple polling video/keyboard console functions
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* ****************************************************************** */
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#ifdef CONFIG_DEBUG_CONSOLE
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/* ******************************************************************
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* common functions, implementing simple concurrent console
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* ****************************************************************** */
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int putchar(int c)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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serial_putchar(c);
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#endif
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return c;
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}
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int availchar(void)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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if (uart_charav(CONFIG_SERIAL_PORT))
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return 1;
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#endif
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#ifdef CONFIG_DEBUG_CONSOLE_VGA
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if (pc_kbd_dataready())
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return 1;
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#endif
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return 0;
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}
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int getchar(void)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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if (uart_charav(CONFIG_SERIAL_PORT))
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return (uart_getchar(CONFIG_SERIAL_PORT));
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#endif
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#ifdef CONFIG_DEBUG_CONSOLE_VGA
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if (pc_kbd_dataready())
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return (pc_kbd_readdata());
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#endif
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return 0;
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}
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void cls(void)
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{
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#ifdef CONFIG_DEBUG_CONSOLE_SERIAL
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serial_putchar(27);
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serial_putchar('[');
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serial_putchar('H');
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serial_putchar(27);
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serial_putchar('[');
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serial_putchar('J');
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#endif
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}
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#endif // CONFIG_DEBUG_CONSOLE
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