Rev 190 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 132 | giacomo | 1 | /* |
| 2 | Linux Real Mode Interface - A library of DPMI-like functions for Linux. |
||
| 3 | |||
| 4 | Copyright (C) 1998 by Josh Vanderhoof |
||
| 5 | |||
| 6 | You are free to distribute and modify this file, as long as you |
||
| 7 | do not remove this copyright notice and clearly label modified |
||
| 8 | versions as being modified. |
||
| 9 | |||
| 10 | This software has NO WARRANTY. Use it at your own risk. |
||
| 11 | */ |
||
| 12 | |||
| 13 | #include <stdio.h> |
||
| 14 | #include <string.h> |
||
| 15 | #include <sys/types.h> |
||
| 16 | #include <unistd.h> |
||
| 17 | #include <fcntl.h> |
||
| 18 | #include <stdlib.h> |
||
| 19 | |||
| 20 | #include <ll/i386/hw-data.h> |
||
| 21 | #include <ll/i386/x-dosmem.h> |
||
| 22 | |||
| 23 | #include "lrmi.h" |
||
| 24 | #include "libvga.h" |
||
| 25 | |||
| 26 | #include <kernel/log.h> |
||
| 27 | |||
| 28 | int |
||
| 29 | LRMI_init(void) |
||
| 30 | { |
||
| 326 | giacomo | 31 | //DOS_mem_init(); |
| 132 | giacomo | 32 | return 0; |
| 33 | } |
||
| 34 | |||
| 35 | void * |
||
| 36 | LRMI_alloc_real(int size) |
||
| 37 | { |
||
| 38 | return DOS_alloc(size); |
||
| 39 | } |
||
| 40 | |||
| 41 | void |
||
| 42 | LRMI_free_real(void *m, int s) |
||
| 43 | { |
||
| 44 | DOS_free(m,s); |
||
| 45 | } |
||
| 46 | |||
| 47 | |||
| 48 | int LRMI_int(int i, struct LRMI_regs *r) |
||
| 49 | { |
||
| 50 | |||
| 51 | unsigned char p1,p2; |
||
| 52 | |||
| 53 | X_REGS16 inregs, outregs; |
||
| 54 | X_SREGS16 sregs; |
||
| 55 | |||
| 185 | giacomo | 56 | memset(&inregs,0,sizeof(inregs)); |
| 190 | giacomo | 57 | memset(&sregs,0,sizeof(sregs)); |
| 185 | giacomo | 58 | |
| 132 | giacomo | 59 | inregs.x.ax = r->eax; |
| 60 | inregs.x.bx = r->ebx; |
||
| 61 | inregs.x.cx = r->ecx; |
||
| 62 | inregs.x.dx = r->edx; |
||
| 63 | sregs.es = r->es; |
||
| 189 | giacomo | 64 | sregs.es = r->ds; |
| 132 | giacomo | 65 | inregs.x.di = r->edi; |
| 66 | |||
| 67 | #ifndef VM86 |
||
| 68 | p1 = inp(0x21); |
||
| 69 | p2 = inp(0xA1); |
||
| 70 | outp(0x21,0xFF); |
||
| 71 | outp(0xA1,0xFF); |
||
| 72 | X_callBIOS(i, &inregs, &outregs, &sregs); |
||
| 73 | outp(0x21,p1); |
||
| 74 | outp(0xA1,p2); |
||
| 75 | #else |
||
| 76 | vm86_callBIOS(i, &inregs, &outregs, &sregs); |
||
| 77 | #endif |
||
| 78 | |||
| 79 | r->eax = outregs.x.ax; |
||
| 80 | r->ebx = outregs.x.bx; |
||
| 81 | r->ecx = outregs.x.cx; |
||
| 82 | r->edx = outregs.x.dx; |
||
| 83 | r->esi = outregs.x.si; |
||
| 84 | r->edi = outregs.x.di; |
||
| 85 | |||
| 86 | return 1; |
||
| 87 | |||
| 88 | } |
||
| 89 |