Navigation
- Accueil
- Présentation :
- FAQ
- Bugs et errata
- Contributions de lecteurs
- Téléchargements
- LXR (référencement des sources)
- Mailing-list
- Liens et Projets reliés
Site hébergé par :
Site hébergé par :
|
[ source navigation ] [ diff markup ] [ identifier search ] [ general search ] |
|||
|
||||
001 /* Copyright (C) 2004 David Decotigny 001 /* Copyright (C) 2004 David Decotigny >> 002 Copyright (C) 1999 Free Software Foundation, Inc. 002 003 003 This program is free software; you can redi 004 This program is free software; you can redistribute it and/or 004 modify it under the terms of the GNU Genera 005 modify it under the terms of the GNU General Public License 005 as published by the Free Software Foundatio 006 as published by the Free Software Foundation; either version 2 006 of the License, or (at your option) any lat 007 of the License, or (at your option) any later version. 007 008 008 This program is distributed in the hope tha 009 This program is distributed in the hope that it will be useful, 009 but WITHOUT ANY WARRANTY; without even the 010 but WITHOUT ANY WARRANTY; without even the implied warranty of 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 011 GNU General Public License for more details 012 GNU General Public License for more details. 012 013 013 You should have received a copy of the GNU 014 You should have received a copy of the GNU General Public License 014 along with this program; if not, write to t 015 along with this program; if not, write to the Free Software 015 Foundation, Inc., 59 Temple Place - Suite 3 016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 016 USA. 017 USA. 017 */ 018 */ 018 #include <hwcore/ioports.h> 019 #include <hwcore/ioports.h> 019 #include <sos/klibc.h> 020 #include <sos/klibc.h> 020 021 021 #include "bochs.h" 022 #include "bochs.h" 022 023 023 /* This is a special hack that is only useful 024 /* This is a special hack that is only useful when running the 024 operating system under the Bochs emulator. 025 operating system under the Bochs emulator. */ 025 #define SOS_BOCHS_IOPORT 0xe9 026 #define SOS_BOCHS_IOPORT 0xe9 026 027 027 sos_ret_t sos_bochs_setup(void) 028 sos_ret_t sos_bochs_setup(void) 028 { 029 { 029 return SOS_OK; 030 return SOS_OK; 030 } 031 } 031 032 032 #define _putchar(chr) \ 033 #define _putchar(chr) \ 033 outb((chr), SOS_BOCHS_IOPORT) 034 outb((chr), SOS_BOCHS_IOPORT) 034 035 035 sos_ret_t sos_bochs_putchar(char c) 036 sos_ret_t sos_bochs_putchar(char c) 036 { 037 { 037 _putchar(c); 038 _putchar(c); 038 039 039 return SOS_OK; 040 return SOS_OK; 040 } 041 } 041 042 042 sos_ret_t sos_bochs_putstring(const char* str) 043 sos_ret_t sos_bochs_putstring(const char* str) 043 { 044 { 044 for ( ; str && (*str != '\0') ; str++) 045 for ( ; str && (*str != '\0') ; str++) 045 _putchar(*str); 046 _putchar(*str); 046 047 047 return SOS_OK; 048 return SOS_OK; 048 } 049 } 049 050 050 sos_ret_t sos_bochs_puthex(unsigned val, int n 051 sos_ret_t sos_bochs_puthex(unsigned val, int nbytes) 051 { 052 { 052 unsigned c; 053 unsigned c; 053 054 054 #define BOCHS_PRTHEX(q) \ 055 #define BOCHS_PRTHEX(q) \ 055 ({ unsigned char r; if ((q) >= 10) r='a'+(q) 056 ({ unsigned char r; if ((q) >= 10) r='a'+(q)-10; \ 056 else r='0'+(q); _putchar(r); }) 057 else r='0'+(q); _putchar(r); }) 057 058 058 switch (nbytes) 059 switch (nbytes) 059 { 060 { 060 case 4: 061 case 4: 061 c = (val >> 24) & 0xff; 062 c = (val >> 24) & 0xff; 062 BOCHS_PRTHEX((c >> 4)&0xf); 063 BOCHS_PRTHEX((c >> 4)&0xf); 063 BOCHS_PRTHEX(c&0xf); 064 BOCHS_PRTHEX(c&0xf); 064 case 3: 065 case 3: 065 c = (val >> 16) & 0xff; 066 c = (val >> 16) & 0xff; 066 BOCHS_PRTHEX((c >> 4)&0xf); 067 BOCHS_PRTHEX((c >> 4)&0xf); 067 BOCHS_PRTHEX(c&0xf); 068 BOCHS_PRTHEX(c&0xf); 068 case 2: 069 case 2: 069 c = (val >> 8) & 0xff; 070 c = (val >> 8) & 0xff; 070 BOCHS_PRTHEX((c >> 4)&0xf); 071 BOCHS_PRTHEX((c >> 4)&0xf); 071 BOCHS_PRTHEX(c&0xf); 072 BOCHS_PRTHEX(c&0xf); 072 case 1: 073 case 1: 073 c = val & 0xff; 074 c = val & 0xff; 074 BOCHS_PRTHEX((c >> 4)&0xf); 075 BOCHS_PRTHEX((c >> 4)&0xf); 075 BOCHS_PRTHEX(c&0xf); 076 BOCHS_PRTHEX(c&0xf); 076 } 077 } 077 078 078 return SOS_OK; 079 return SOS_OK; 079 } 080 } 080 081 081 082 082 sos_ret_t sos_bochs_hexdump(const void* addr, 083 sos_ret_t sos_bochs_hexdump(const void* addr, int nbytes) 083 { 084 { 084 int offs; 085 int offs; 085 for (offs = 0 ; offs < nbytes ; offs++) 086 for (offs = 0 ; offs < nbytes ; offs++) 086 { 087 { 087 const unsigned char *c; 088 const unsigned char *c; 088 089 089 if ((offs % 16) == 0) 090 if ((offs % 16) == 0) 090 { 091 { 091 sos_bochs_putstring("0x"); 092 sos_bochs_putstring("0x"); 092 sos_bochs_puthex(offs, 4); 093 sos_bochs_puthex(offs, 4); 093 } 094 } 094 095 095 if ((offs % 8) == 0) 096 if ((offs % 8) == 0) 096 sos_bochs_putstring(" "); 097 sos_bochs_putstring(" "); 097 098 098 c = (const unsigned char*)(addr + offs); 099 c = (const unsigned char*)(addr + offs); 099 sos_bochs_puthex(*c, 1); 100 sos_bochs_puthex(*c, 1); 100 sos_bochs_putstring(" "); 101 sos_bochs_putstring(" "); 101 102 102 if (((offs + 1) % 16) == 0) 103 if (((offs + 1) % 16) == 0) 103 sos_bochs_putstring("\n"); 104 sos_bochs_putstring("\n"); 104 } 105 } 105 106 106 if (offs % 16) 107 if (offs % 16) 107 sos_bochs_putstring("\n"); 108 sos_bochs_putstring("\n"); 108 109 109 return SOS_OK; 110 return SOS_OK; 110 } 111 } 111 112 112 113 113 sos_ret_t sos_bochs_printf(const char *format, 114 sos_ret_t sos_bochs_printf(const char *format, /* args */...) 114 { 115 { 115 char buff[256]; 116 char buff[256]; 116 va_list ap; 117 va_list ap; 117 118 118 va_start(ap, format); 119 va_start(ap, format); 119 vsnprintf(buff, sizeof(buff), format, ap); 120 vsnprintf(buff, sizeof(buff), format, ap); 120 va_end(ap); 121 va_end(ap); 121 122 122 return sos_bochs_putstring(buff); 123 return sos_bochs_putstring(buff); 123 } 124 }
| [ source navigation ] | [ diff markup ] | [ identifier search ] | [ general search ] |