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