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001 /* Copyright (C) 2004 David Decotigny 002 Copyright (C) 1999 Free Software Foundation, Inc. 003 004 This program is free software; you can redistribute it and/or 005 modify it under the terms of the GNU General Public License 006 as published by the Free Software Foundation; either version 2 007 of the License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU General Public License for more details. 013 014 You should have received a copy of the GNU General Public License 015 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 017 USA. 018 */ 019 #ifndef _SOS_BOCHS_H_ 020 #define _SOS_BOCHS_H_ 021 022 /** 023 * @file bochs.h 024 * 025 * If you compiled Bochs with the --enable-e9-hack, then any character 026 * printed to the 0xE9 I/O port is printed to the xterm that is 027 * running Bochs. This may appear to be a detail, but in fact, this 028 * functionnality is *VERY* precious for debugging purposes. This 029 * """driver""" handles this feature. 030 */ 031 032 #include <sos/errno.h> 033 #include <sos/types.h> 034 035 sos_ret_t sos_bochs_setup(void); 036 037 sos_ret_t sos_bochs_putstring(const char* str); 038 039 /** Print the least signficant 32 (nbytes == 4), 24 (nbytes == 3), 16 040 (nbytes == 2) or 8 (nbytes == 1) bits of val in hexadecimal. */ 041 sos_ret_t sos_bochs_puthex(unsigned val, int nbytes); 042 043 /** hexdump-style pretty printing */ 044 sos_ret_t sos_bochs_hexdump(const void* addr, int nbytes); 045 046 /** 047 * Print the formatted string. Very restricted version of printf(3): 048 * 1/ can print max 255 chars, 2/ supports only %d/%i, %c, %s, %x 049 * without any support for flag charachters (eg %08x). 050 */ 051 sos_ret_t sos_bochs_printf(const char *format, /* args */...) 052 __attribute__ ((format (printf, 1, 2))); 053 054 #endif
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