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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 outb((chr), SOS_BOCHS_IOPORT) << 034 << 035 sos_ret_t sos_bochs_putchar(char c) << 036 { << 037 _putchar(c); << 038 033 039 return SOS_OK; !! 034 #define sos_bochs_putchar(chr) \ 040 } !! 035 outb((chr), SOS_BOCHS_IOPORT) 041 036 042 sos_ret_t sos_bochs_putstring(const char* str) 037 sos_ret_t sos_bochs_putstring(const char* str) 043 { 038 { 044 for ( ; str && (*str != '\0') ; str++) 039 for ( ; str && (*str != '\0') ; str++) 045 _putchar(*str); !! 040 sos_bochs_putchar(*str); 046 041 047 return SOS_OK; 042 return SOS_OK; 048 } 043 } 049 044 >> 045 050 sos_ret_t sos_bochs_puthex(unsigned val, int n 046 sos_ret_t sos_bochs_puthex(unsigned val, int nbytes) 051 { 047 { 052 unsigned c; 048 unsigned c; 053 049 054 #define BOCHS_PRTHEX(q) \ 050 #define BOCHS_PRTHEX(q) \ 055 ({ unsigned char r; if ((q) >= 10) r='a'+(q) 051 ({ unsigned char r; if ((q) >= 10) r='a'+(q)-10; \ 056 else r='0'+(q); _putchar(r); }) !! 052 else r='0'+(q); sos_bochs_putchar(r); }) 057 053 058 switch (nbytes) 054 switch (nbytes) 059 { 055 { 060 case 4: 056 case 4: 061 c = (val >> 24) & 0xff; 057 c = (val >> 24) & 0xff; 062 BOCHS_PRTHEX((c >> 4)&0xf); 058 BOCHS_PRTHEX((c >> 4)&0xf); 063 BOCHS_PRTHEX(c&0xf); 059 BOCHS_PRTHEX(c&0xf); 064 case 3: 060 case 3: 065 c = (val >> 16) & 0xff; 061 c = (val >> 16) & 0xff; 066 BOCHS_PRTHEX((c >> 4)&0xf); 062 BOCHS_PRTHEX((c >> 4)&0xf); 067 BOCHS_PRTHEX(c&0xf); 063 BOCHS_PRTHEX(c&0xf); 068 case 2: 064 case 2: 069 c = (val >> 8) & 0xff; 065 c = (val >> 8) & 0xff; 070 BOCHS_PRTHEX((c >> 4)&0xf); 066 BOCHS_PRTHEX((c >> 4)&0xf); 071 BOCHS_PRTHEX(c&0xf); 067 BOCHS_PRTHEX(c&0xf); 072 case 1: 068 case 1: 073 c = val & 0xff; 069 c = val & 0xff; 074 BOCHS_PRTHEX((c >> 4)&0xf); 070 BOCHS_PRTHEX((c >> 4)&0xf); 075 BOCHS_PRTHEX(c&0xf); 071 BOCHS_PRTHEX(c&0xf); 076 } 072 } 077 073 078 return SOS_OK; 074 return SOS_OK; 079 } 075 } 080 076 081 077 082 sos_ret_t sos_bochs_hexdump(const void* addr, 078 sos_ret_t sos_bochs_hexdump(const void* addr, int nbytes) 083 { 079 { 084 int offs; 080 int offs; 085 for (offs = 0 ; offs < nbytes ; offs++) 081 for (offs = 0 ; offs < nbytes ; offs++) 086 { 082 { 087 const unsigned char *c; 083 const unsigned char *c; 088 084 089 if ((offs % 16) == 0) 085 if ((offs % 16) == 0) 090 { 086 { 091 sos_bochs_putstring("0x"); 087 sos_bochs_putstring("0x"); 092 sos_bochs_puthex(offs, 4); 088 sos_bochs_puthex(offs, 4); 093 } 089 } 094 090 095 if ((offs % 8) == 0) 091 if ((offs % 8) == 0) 096 sos_bochs_putstring(" "); 092 sos_bochs_putstring(" "); 097 093 098 c = (const unsigned char*)(addr + offs); 094 c = (const unsigned char*)(addr + offs); 099 sos_bochs_puthex(*c, 1); 095 sos_bochs_puthex(*c, 1); 100 sos_bochs_putstring(" "); 096 sos_bochs_putstring(" "); 101 097 102 if (((offs + 1) % 16) == 0) 098 if (((offs + 1) % 16) == 0) 103 sos_bochs_putstring("\n"); 099 sos_bochs_putstring("\n"); 104 } 100 } 105 101 106 if (offs % 16) 102 if (offs % 16) 107 sos_bochs_putstring("\n"); 103 sos_bochs_putstring("\n"); 108 104 109 return SOS_OK; 105 return SOS_OK; 110 } 106 } 111 107 112 108 113 sos_ret_t sos_bochs_printf(const char *format, 109 sos_ret_t sos_bochs_printf(const char *format, /* args */...) 114 { 110 { 115 char buff[256]; 111 char buff[256]; 116 va_list ap; 112 va_list ap; 117 113 118 va_start(ap, format); 114 va_start(ap, format); 119 vsnprintf(buff, sizeof(buff), format, ap); 115 vsnprintf(buff, sizeof(buff), format, ap); 120 va_end(ap); 116 va_end(ap); 121 117 122 return sos_bochs_putstring(buff); 118 return sos_bochs_putstring(buff); 123 } 119 }
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