47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
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/*
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Copyright (C) 2015-2019 The University of Notre Dame
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This software is distributed under the GNU General Public License.
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See the file LICENSE for details.
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*/
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#ifndef CONSOLE_H
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#define CONSOLE_H
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#include "kernel/types.h"
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#include "window.h"
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#include "device.h"
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#include "string.h"
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/*
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console_create_root creates the very first global console that
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is used for kernel debug output. The singleton "console_root"
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must be statically allocated so that is usable at early
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startup before memory allocation is available.
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*/
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extern struct console console_root;
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struct console * console_create_root();
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/*
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Any number of other consoles can be created and manipulated
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on top of existing windows.
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*/
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struct console * console_create( struct window *w );
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struct console * console_addref( struct console *c );
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void console_delete( struct console *c );
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void console_reset( struct console *c );
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int console_post( struct console *c, const char *data, int length );
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int console_write( struct console *c, const char *data, int length );
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int console_read( struct console *c, char *data, int length );
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int console_read_nonblock( struct console *c, char *data, int length );
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int console_getchar( struct console *c );
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void console_putchar( struct console *c, char ch );
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void console_putstring( struct console *c, const char *str );
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void console_heartbeat( struct console *c );
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void console_size( struct console *c, int *xsize, int *ysize );
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#endif
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