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66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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****************************************************************************
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* (C) 2006 - Grzegorz Milos - Cambridge University
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****************************************************************************
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*
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* File: console.h
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* Author: Grzegorz Milos
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* Changes:
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*
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* Date: Mar 2006
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*
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* Environment: Xen Minimal OS
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* Description: Console interface.
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*
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* Handles console I/O. Defines printk.
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*
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****************************************************************************
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _LIB_CONSOLE_H_
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#define _LIB_CONSOLE_H_
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#include<os.h>
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#include<traps.h>
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#include<stdarg.h>
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void print(int direct, const char *fmt, va_list args);
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void printk(const char *fmt, ...);
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void xprintk(const char *fmt, ...);
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#define tprintk(_fmt, _args...) printk("[%s] " _fmt, current->name, ##_args)
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void xencons_rx(char *buf, unsigned len, struct pt_regs *regs);
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void xencons_tx(void);
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void init_console(void);
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void console_print(char *data, int length);
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void fini_console(void);
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/* Low level functions defined in xencons_ring.c */
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extern struct wait_queue_head console_queue;
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int xencons_ring_init(void);
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int xencons_ring_send(const char *data, unsigned len);
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int xencons_ring_send_no_notify(const char *data, unsigned len);
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int xencons_ring_avail(void);
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int xencons_ring_recv(char *data, unsigned len);
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#endif /* _LIB_CONSOLE_H_ */
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