56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/* Copyright (C) 2004 David Decotigny
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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USA.
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*/
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#ifndef _SOS_BOCHS_H_
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#define _SOS_BOCHS_H_
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/**
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* @file bochs.h
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*
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* If you compiled Bochs with the --enable-e9-hack, then any character
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* printed to the 0xE9 I/O port is printed to the xterm that is
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* running Bochs. This may appear to be a detail, but in fact, this
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* functionnality is *VERY* precious for debugging purposes. This
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* """driver""" handles this feature.
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*/
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#include <sos/errno.h>
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#include <sos/types.h>
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sos_ret_t sos_bochs_subsystem_setup(void);
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sos_ret_t sos_bochs_putchar(char c);
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sos_ret_t sos_bochs_putstring(const char* str);
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/** Print the least signficant 32 (nbytes == 4), 24 (nbytes == 3), 16
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(nbytes == 2) or 8 (nbytes == 1) bits of val in hexadecimal. */
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sos_ret_t sos_bochs_puthex(unsigned val, int nbytes);
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/** hexdump-style pretty printing */
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sos_ret_t sos_bochs_hexdump(const void* addr, int nbytes);
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/**
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* Print the formatted string. Very restricted version of printf(3):
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* 1/ can print max 255 chars, 2/ supports only %d/%i, %c, %s, %x
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* without any support for flag charachters (eg %08x).
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*/
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sos_ret_t sos_bochs_printf(const char *format, /* args */...)
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__attribute__ ((format (printf, 1, 2)));
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#endif
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