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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 #define _putchar(chr) \ 034 #define sos_bochs_putchar(chr) \ << 035 outb((chr), SOS_BOCHS_IOPORT) 034 outb((chr), SOS_BOCHS_IOPORT) 036 035 >> 036 sos_ret_t sos_bochs_putchar(char c) >> 037 { >> 038 _putchar(c); >> 039 >> 040 return SOS_OK; >> 041 } >> 042 037 sos_ret_t sos_bochs_putstring(const char* str) 043 sos_ret_t sos_bochs_putstring(const char* str) 038 { 044 { 039 for ( ; str && (*str != '\0') ; str++) 045 for ( ; str && (*str != '\0') ; str++) 040 sos_bochs_putchar(*str); !! 046 _putchar(*str); 041 047 042 return SOS_OK; 048 return SOS_OK; 043 } 049 } 044 050 045 << 046 sos_ret_t sos_bochs_puthex(unsigned val, int n 051 sos_ret_t sos_bochs_puthex(unsigned val, int nbytes) 047 { 052 { 048 unsigned c; 053 unsigned c; 049 054 050 #define BOCHS_PRTHEX(q) \ 055 #define BOCHS_PRTHEX(q) \ 051 ({ unsigned char r; if ((q) >= 10) r='a'+(q) 056 ({ unsigned char r; if ((q) >= 10) r='a'+(q)-10; \ 052 else r='0'+(q); sos_bochs_putchar(r); }) !! 057 else r='0'+(q); _putchar(r); }) 053 058 054 switch (nbytes) 059 switch (nbytes) 055 { 060 { 056 case 4: 061 case 4: 057 c = (val >> 24) & 0xff; 062 c = (val >> 24) & 0xff; 058 BOCHS_PRTHEX((c >> 4)&0xf); 063 BOCHS_PRTHEX((c >> 4)&0xf); 059 BOCHS_PRTHEX(c&0xf); 064 BOCHS_PRTHEX(c&0xf); 060 case 3: 065 case 3: 061 c = (val >> 16) & 0xff; 066 c = (val >> 16) & 0xff; 062 BOCHS_PRTHEX((c >> 4)&0xf); 067 BOCHS_PRTHEX((c >> 4)&0xf); 063 BOCHS_PRTHEX(c&0xf); 068 BOCHS_PRTHEX(c&0xf); 064 case 2: 069 case 2: 065 c = (val >> 8) & 0xff; 070 c = (val >> 8) & 0xff; 066 BOCHS_PRTHEX((c >> 4)&0xf); 071 BOCHS_PRTHEX((c >> 4)&0xf); 067 BOCHS_PRTHEX(c&0xf); 072 BOCHS_PRTHEX(c&0xf); 068 case 1: 073 case 1: 069 c = val & 0xff; 074 c = val & 0xff; 070 BOCHS_PRTHEX((c >> 4)&0xf); 075 BOCHS_PRTHEX((c >> 4)&0xf); 071 BOCHS_PRTHEX(c&0xf); 076 BOCHS_PRTHEX(c&0xf); 072 } 077 } 073 078 074 return SOS_OK; 079 return SOS_OK; 075 } 080 } 076 081 077 082 078 sos_ret_t sos_bochs_hexdump(const void* addr, 083 sos_ret_t sos_bochs_hexdump(const void* addr, int nbytes) 079 { 084 { 080 int offs; 085 int offs; 081 for (offs = 0 ; offs < nbytes ; offs++) 086 for (offs = 0 ; offs < nbytes ; offs++) 082 { 087 { 083 const unsigned char *c; 088 const unsigned char *c; 084 089 085 if ((offs % 16) == 0) 090 if ((offs % 16) == 0) 086 { 091 { 087 sos_bochs_putstring("0x"); 092 sos_bochs_putstring("0x"); 088 sos_bochs_puthex(offs, 4); 093 sos_bochs_puthex(offs, 4); 089 } 094 } 090 095 091 if ((offs % 8) == 0) 096 if ((offs % 8) == 0) 092 sos_bochs_putstring(" "); 097 sos_bochs_putstring(" "); 093 098 094 c = (const unsigned char*)(addr + offs); 099 c = (const unsigned char*)(addr + offs); 095 sos_bochs_puthex(*c, 1); 100 sos_bochs_puthex(*c, 1); 096 sos_bochs_putstring(" "); 101 sos_bochs_putstring(" "); 097 102 098 if (((offs + 1) % 16) == 0) 103 if (((offs + 1) % 16) == 0) 099 sos_bochs_putstring("\n"); 104 sos_bochs_putstring("\n"); 100 } 105 } 101 106 102 if (offs % 16) 107 if (offs % 16) 103 sos_bochs_putstring("\n"); 108 sos_bochs_putstring("\n"); 104 109 105 return SOS_OK; 110 return SOS_OK; 106 } 111 } 107 112 108 113 109 sos_ret_t sos_bochs_printf(const char *format, 114 sos_ret_t sos_bochs_printf(const char *format, /* args */...) 110 { 115 { 111 char buff[256]; 116 char buff[256]; 112 va_list ap; 117 va_list ap; 113 118 114 va_start(ap, format); 119 va_start(ap, format); 115 vsnprintf(buff, sizeof(buff), format, ap); 120 vsnprintf(buff, sizeof(buff), format, ap); 116 va_end(ap); 121 va_end(ap); 117 122 118 return sos_bochs_putstring(buff); 123 return sos_bochs_putstring(buff); 119 } 124 }
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