annotate vdisk.c @ 50:1430678cd4fb

use process structure's mmu
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 21 Jul 2018 22:44:02 +0900
parents 947cbecdd8d5
children 498b6fcaf270
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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1 /********************************************************************
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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2 * Virtual RBF - Random Block File Manager
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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3 *
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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4 * Shinji KONO (kono@ie.u-ryukyu.ac.jp) 2018/7/17
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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5 * GPL v1 license
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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6 */
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7
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8 #define engine extern
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9 #include "v09.h"
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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10 #include <stdio.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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11 #include <stdlib.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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12 #include <unistd.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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13 #include <sys/stat.h>
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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14 #include <sys/select.h>
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15 #include <dirent.h>
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16 #include <string.h>
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15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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17 #include <time.h>
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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18 #include <arpa/inet.h>
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19
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20 static int vdiskdebug = 1; // 1 trace, 2 filename
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21
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1430678cd4fb use process structure's mmu
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22
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23 Byte pmmu[8]; // process dat mmu
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24
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25 extern char *prog ; // for disass
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26 #ifdef USE_MMU
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27 extern Byte * mem0(Byte *iphymem, Word adr, Byte *immu) ;
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28 // smem physical address using system mmu
50
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29 // pmem physical address using caller's mmu
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30 #define smem(a) mem0(phymem,a,&mem[0x20+IOPAGE])
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1430678cd4fb use process structure's mmu
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31 #define pmem(a) mem0(phymem,a,pmmu)
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32 #else
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33 #define smem(a) (&mem[a])
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34 #define pmem(a) (&mem[a])
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35 #endif
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36
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37 #define MAXPDV 256
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38
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07c84761da6f dd vrbf asm code
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39
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40 typedef struct pathDesc {
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41 char *name;
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42 FILE *fp;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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43 int mode;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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44 int inode ; // lower 24 bit of unix inode, os9 lsn
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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45 int num ;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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46 int sz ; // used only for directory
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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47 char drv ;
44
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48 char use ;
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49 char dir;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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50 char *fd ;
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51 char *dirfp;
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52 } PathDesc, *PathDescPtr;
43
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53
49
947cbecdd8d5 read and dir worked.
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54 static void
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55 vdisklog(Word u,PathDesc *pd, Word pdptr, int curdir,FILE *fp) ;
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56
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07c84761da6f dd vrbf asm code
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57 #define MAXVDRV 4
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58
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59 static char *drvRoot[] = { ".",".",".","."};
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60 static PathDesc pdv[MAXPDV];
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61
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62 /*
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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63 * us 0 system
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64 * 1 caller
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65 */
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66 static inline Word
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67 getword(Byte *adr) {
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68 Word *padr = (Word*)adr;
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69 return ntohs(*padr);
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70 }
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71
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72 static inline void
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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73 setword(Byte *adr,Word value) {
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74 Word *padr = (Word*)adr;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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75 *padr = htons(value);
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76 }
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77
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78 static int
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79 setVdisk(int drv,char *name) {
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07c84761da6f dd vrbf asm code
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80 if (drv<0 || drv>=MAXVDRV) return -1;
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81 drvRoot[drv] = name;
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82 return 0;
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83 }
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84
49
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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85 static void
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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86 closepd(PathDesc *pd) {
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ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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87 if(pd->fp) fclose(pd->fp) ;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
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88 pd->dir = 0;
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89 pd->use = 0;
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90 pd->fp = 0;
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91 pd->mode = 0;
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92 free(pd->dirfp); pd->dirfp = 0;
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93 free(pd->name); pd->name = 0;
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94 }
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95
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96 /*
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97 * keep track current directory ( most recently 256 entry )
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98 * too easy approach
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99 */
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100 char *cdt[512];
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101 static int cdtptr = 0;
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102
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103 Byte
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104 setcd(char *name) {
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105 int len;
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106 for(int i=0;i<256;i++) {
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107 if (cdt[i] && strcmp(name,cdt[i])==0) return i;
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108 }
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109 cdtptr &= 0xff;
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110 if (cdt[cdtptr]) free(cdt[cdtptr]);
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111 cdt[cdtptr] = (char*)malloc(len=strlen(name)+1);
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112 strcpy(cdt[cdtptr],name);
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113 return cdtptr++;
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114 }
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115
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116 #define MAXPAHTLEN 256
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117
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118 static void
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119 putOs9str(char *s) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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120 if (s==0) {
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121 printf("(null)");
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122 return;
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123 }
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124 while(*s && *s>=' ' && ((*s&0x80)==0)) {
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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125 putchar(*s); s++;
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126 }
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127 if (*s&0x80) putchar(*s&0x7f);
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128 }
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129
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130 static char *
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131 addCurdir(char *name, PathDesc *pd, int curdir) {
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132 int ns =0 ;
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133 char *n = name;
49
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134 if(vdiskdebug&0x2) { printf("addcur \""); putOs9str(name); printf("\" cur \""); putOs9str( cdt[curdir]); printf("\"\n"); }
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135 if (name[0]=='/') {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
136 name++; while(*name !='/' && *name!=0) name ++ ; // skip /d0
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
137 while(name[ns]!=0) ns++;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
138 } else if (!cdt[curdir] ) return 0; // no current directory
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
139 else ns = strlen(name);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
140 int ps = ns;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
141 char *base ;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
142 if (name[0]=='/') {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
143 base = drvRoot[pd->drv]; ps += strlen(drvRoot[pd->drv])+1; name++;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
144 } else if (name[0]==0) {
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
145 base = drvRoot[pd->drv];
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
146 char *path = (char*)malloc(strlen(base)+1); // we'll free this, malloc it.
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
147 int i = 0;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
148 for(;base[i];i++) path[i] = base[i];
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
149 path[i]=0;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
150 return path;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
151 } else {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
152 base = cdt[curdir]; ps += strlen(cdt[curdir])+2;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
153 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
154 char *path = (char*)malloc(ps);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
155 int i = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
156 for(;base[i];i++) path[i] = base[i];
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
157 path[i++] = '/';
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
158 for(int j=0;j<ps;j++,i++) path[i] = name[j];
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
159 path[i++] = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
160 return path;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
161 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
162
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
163 static char *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
164 checkFileName(char *path, PathDesc *pd, int curdir) {
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 char *p = path;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
166 char *name = path;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 int maxlen = MAXPAHTLEN;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
168 if(vdiskdebug&2) { printf("checkf \""); putOs9str(name); printf("\"\n"); }
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
169 while(*p!=0 && (*p&0x80)==0 && (*p&0x7f)>' ' && maxlen-->0) p++;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 if (maxlen==MAXPAHTLEN) return 0;
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 if (*p!=0) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
172 name = (char *)malloc(p-path+1);
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
173 int i;
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
174 for(int i=0;i<MAXPAHTLEN;i++) {
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
175 name[i] = path[i]&0x7f;
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
176 }
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
177 name[MAXPAHTLEN-maxlen] = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 }
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
179 char *name1 = addCurdir(name,pd,curdir);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
180 if (name1!=name && name1!=path) free(name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
181 if (name1==0) return 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
182 pd->name = name1;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
183 if(vdiskdebug&2) {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
184 printf(" remain = \"");
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
185 char *p1 = p;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
186 while(*p1 && (*p1&0x80)==0 ) { if (*p1<0x20) printf("(0x%02x)",*p1); else putchar(*p1); p1++; }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
187 if (*p1) { if ((*p1&0x7f)<0x20) printf("(0x%02x)",*p1); else putchar(*p1&0x7f); }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
188 printf("\" checkname result \""); putOs9str(pd->name); printf("\"\n");
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
189 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 return p;
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
193 static void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
194 os9setmode(char *os9mode,int mode) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
195 char m = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
196 if (mode&S_IFDIR) m|=0x80;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
197 if (mode&S_IRUSR) m|=0x01;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
198 if (mode&S_IWUSR) m|=0x02;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
199 if (mode&S_IXUSR) m|=0x04;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
200 if (mode&S_IROTH) m|=0x08;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
201 if (mode&S_IWOTH) m|=0x10;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
202 if (mode&S_IXOTH) m|=0x20;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
203 m|=0x60; // always sharable
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
204 *os9mode = m;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
207 static char *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
208 os9toUnixAttr(Byte attr) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
209 if ((attr&0x1) && (attr&0x2)) return "r+";
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
210 if (!(attr&0x1) && (attr&0x2)) return "w";
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
211 if ((attr&0x1) && !(attr&0x2)) return "r";
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
212 return "r";
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 /*
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
216 * os9 file descriptor
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
217 * * File Descriptor Format
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
218 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
219 * The file descriptor is a sector that is present for every file
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
220 * on an RBF device. It contains attributes, modification dates,
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
221 * and segment information on a file.
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
222 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
223 * ORG 0
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
224 *FD.ATT RMB 1 Attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
225 *FD.OWN RMB 2 Owner
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
226 *FD.DAT RMB 5 Date last modified
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
227 *FD.LNK RMB 1 Link count
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
228 *FD.SIZ RMB 4 File size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
229 *FD.Creat RMB 3 File creation date (YY/MM/DD)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
230 *FD.SEG EQU . Beginning of segment list
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
231 * Segment List Entry Format
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
232 ORG 0
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
233 * FDSL.A RMB 3 Segment beginning physical sector number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
234 * FDSL.B RMB 2 Segment size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
235 * FDSL.S EQU . Segment list entry size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
236 * FD.LS1 EQU FD.SEG+((256-FD.SEG)/FDSL.S-1)*FDSL.S
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
237 * FD.LS2 EQU (256/FDSL.S-1)*FDSL.S
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
238 * MINSEC SET 16
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
239 */
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
241 #define FD_ATT 0
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
242 #define FD_OWN 1
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
243 #define FD_DAT 3
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
244 #define FD_LNK 8
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
245 #define FD_SIZ 9
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
246 #define FD_Creat 13
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
247 #define FD_SEG 16
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
248
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
249
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
250 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
251 * os9 directory structure
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
252 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
253 * ORG 0
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
254 *DIR.NM RMB 29 File name
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
255 *DIR.FD RMB 3 File descriptor physical sector number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
256 *DIR.SZ EQU . Directory record size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
257 */
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
258 #define DIR_SZ 32
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
259 #define DIR_NM 29
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
260
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
262 /* read direcotry entry */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
263 static int
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
264 os9opendir(PathDesc *pd) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
265 DIR *dir;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
266 struct dirent *dp;
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
267 if (pd->dirfp) return 0; // already opened
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
268 dir = opendir(pd->name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
269 if (dir==0) return -1;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
270 int dircount = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
271 while ((dp = readdir(dir)) != NULL) dircount++; // pass 1 to determine the size
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
272 if (dircount==0) return 0; // should contains . and .. at least
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
273 pd->sz = dircount*DIR_SZ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
274 pd->dirfp = (char *)malloc(dircount*DIR_SZ);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
275 rewinddir(dir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
276 int i = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
277 while ((dp = readdir(dir)) != NULL) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
278 int j = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
279 for(j = 0; j < DIR_NM ; j++) {
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
280 if (j< dp->d_namlen) {
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
281 pd->dirfp[i+j] = dp->d_name[j]&0x7f;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
282 if (j== dp->d_namlen-1)
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
283 pd->dirfp[i+j] |= 0x80; // os9 EOL
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
284 } else
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
285 pd->dirfp[i+j] = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
286 }
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
287 pd->dirfp[i+j] = (dp->d_ino&0xff0000)>>16;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
288 pd->dirfp[i+j+1] = (dp->d_ino&0xff00)>>8;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
289 pd->dirfp[i+j+2] = dp->d_ino&0xff;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
290 i += DIR_SZ;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
291 if (i>pd->sz) return 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
292 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
293 pd->fp = fmemopen(pd->dirfp,pd->sz,"r");
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
294 return 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
295 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
296
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
297 static void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
298 os9setdate(char *d,struct timespec * unixtime) {
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
299 // yymmddhhss
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
300 struct tm r;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
301 localtime_r(&unixtime->tv_sec,&r);
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
302 d[0] = r.tm_year-2000;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
303 d[1] = r.tm_mon;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
304 d[2] = r.tm_mday;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
305 d[3] = r.tm_hour;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
306 d[4] = r.tm_min;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
307 d[5] = r.tm_sec;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
308 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
309
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
310 /* read file descriptor of Path Desc
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
311 * create file descriptor sector if necessary
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
312 * if buf!=0, copy it
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
313 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
314 static int
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
315 filedescriptor(Byte *buf, int len, PathDesc *pd) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
316 struct stat st;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
317 if (pd->fd) return 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
318 pd->fd = (char *)malloc(256);
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
319 stat(pd->name,&st);
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
320 os9setmode(pd->fd+FD_ATT,st.st_mode);
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
321 pd->fd[FD_OWN]=(st.st_uid&0xff00)>>8;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
322 pd->fd[FD_OWN+1]=st.st_uid&0xff;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
323 os9setdate(pd->fd + FD_DAT,&st.st_mtimespec);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
324 pd->fd[FD_LNK]=st.st_nlink&0xff;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
325 pd->fd[FD_SIZ+0]=(st.st_size&0xff000000)>>24;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
326 pd->fd[FD_SIZ+1]=(st.st_size&0xff0000)>>16;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
327 pd->fd[FD_SIZ+2]=(st.st_size&0xff00)>>8;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
328 pd->fd[FD_SIZ+3]=st.st_size&0xff;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
329 os9setdate(pd->fd+FD_Creat,&st.st_ctimespec);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
330 // dummy segment list
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
331 for(int i=FD_SEG ; i < 256; i++) pd->fd[i] = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
332 return 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
333 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
334
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
335 /* read direcotry entry for any file in the directory
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
336 * we only returns a file descriptor only in the current opened directory
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
337 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
338 * inode==0 should return disk id section
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
339 * inode==bitmap should return disk sector map for os9 free command
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
340 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
341 static int
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
342 fdinfo(Byte *buf,int len, int inode, PathDesc *pd) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
343 int i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
344 for(i=0;i<MAXPDV;i++) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
345 PathDesc *pd = pdv+i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
346 if (!pd->use || !pd->dir) continue;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
347 // find inode in directory
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
348 char *dir = (char *)pd->dirfp;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
349 char *end = (char *)pd->dirfp + pd->sz;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
350 while( dir < end ) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
351 Byte *p = (Byte *)(dir + DIR_NM);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
352 int dinode = (p[0]<<16)+(p[1]<<8)+p[2];
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
353 if (inode == dinode) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
354 filedescriptor(buf,len,pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
355 return 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
356 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
357 dir += 0x20;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
358 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 }
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
360 return 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
362
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
363 void
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
364 getDAT() {
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
365 Word ps = getword(smem(0x50)); // process structure
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
366 Byte *dat = smem(ps+0x40); // process dat (dynamic address translation)
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
367 for(int i=0; i<8; i++) {
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
368 pmmu[i] = dat[i*2+1];
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
369 }
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
370 }
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
371
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 /*
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
373 * each command should have preallocated os9 path descriptor on Y
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
374 *
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
375 * name or buffer, can be in a user map, check that drive number ( mem[0x41+IOPAGE] 0 sys 1 user )
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
376 * current directory path number mem[0x42+IOPAGE]
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
377 * yreg has pd number
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
378 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
379 void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
380 do_vdisk(Byte cmd) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
381 int err;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
382 int curdir = mem[0x44+IOPAGE]; // garbage until set
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
383 Byte attr ;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
384 Word u = getword(&mem[0x45+IOPAGE]); // caller's stack in system segment
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
385 Byte *frame = smem(u);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
386 xreg = getword(frame+4);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
387 yreg = getword(frame+6);
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
388 *areg = *smem(u+1);
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
389 *breg = *smem(u+2);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
390 Byte mode = 0;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
391 Byte *os9pd = smem(getword(&mem[0x47+IOPAGE]));
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
392 PathDesc *pd = pdv+*os9pd;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
393
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
394 getDAT();
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
395 pd->num = *os9pd;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
396 pd->drv = mem[0x41+IOPAGE];
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
397 char *path,*next,*buf;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
398 if (vdiskdebug&1) vdisklog(u,pd,getword(&mem[0x47+IOPAGE]),curdir,stdout);
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
399
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
400 switch(cmd) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
401 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
402 * I$Create Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
403 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
404 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
405 * B = file attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
406 * X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
407 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
408 * Exit: A = pathnum
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
409 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
410 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
411 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
412 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
413 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
414 case 0xd1:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
415 mode = *areg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
416 attr = *breg;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
417 path = (char *)pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
418 next = pd->name = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
419 pd->dir = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
420 pd->fp = fopen(pd->name, os9toUnixAttr(attr));
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
421 if (next!=0 && pd->fp ) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
422 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
423 pd->use = 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
424 } else {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
425 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
426 free(pd->name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
427 pd->use = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
429 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
430
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
431 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
432 * I$Open Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
433 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
434 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
435 * X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
436 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
437 * Exit: A = pathnum
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
438 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
439 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
440 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
441 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
442 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
443 case 0xd2:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
444 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
445 mode = *areg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
446 attr = *breg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
447 pd->fp = 0;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
448 path = (char*)pmem(xreg);
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
449 next = checkFileName(path,pd,curdir);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
450 *breg = 0xff;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
451 if (next!=0) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
452 struct stat buf;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
453 if (stat(pd->name,&buf)!=0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
454 if ((buf.st_mode & S_IFMT) == S_IFDIR) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
455 pd->dir = 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
456 os9opendir(pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
457 } else {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
458 pd->dir = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
459 pd->fp = fopen( pd->name,os9toUnixAttr(mode));
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
460 }
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
461 pd->use = 1;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
462 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
463 if (next!=0 && pd->fp !=0) {
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
464 *breg = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
465 *areg = pd->num;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
466 *smem(u+1) = *areg ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
467 xreg += ( next - path );
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
468 pd->use = 1;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
469 } else {
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
470 pd->use = 0;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
471 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
473
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
474 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
475 * I$MakDir Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
476 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
477 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
478 * B = directory attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
479 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
480 * Exit: X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
481 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
482 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
483 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
484 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
485
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
486 case 0xd3:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
487 *breg = 0xff;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
488 path = (char*)pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
489 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
490 if (next!=0 && mkdir(pd->name,0)!= 0 ) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
491 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
492 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
493 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
494 closepd(pd);
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
495 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
496
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
497 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
498 * I$ChgDir Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
499 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
500 * data dir P$DIO 3-5 contains open dir Path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
501 * exec dir P$DIO 9-11 contains open dir Path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
502 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
503 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
504 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
505 * *areg = access mode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
506 * 0 = Use any special device capabilities
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
507 * 1 = Read only
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
508 * 2 = Write only
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
509 * 3 = Update (read and write)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
510 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
511 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
512 * Exit: X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
513 * A = open directory Path Number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
514 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
515 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
516 * B = errcode
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
517 *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
518 *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
519 * we keep track a cwd and a cxd for a process using 8bit id
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
520 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
521 case 0xd4:
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
522 path = (char*)pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
523 next = checkFileName(path,pd,curdir);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
524 if (next!=0) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
525 struct stat buf;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
526 if (stat(pd->name,&buf)!=0) break;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
527 if ((buf.st_mode & S_IFMT) != S_IFDIR) break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
528 xreg += ( next - path );
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
529 *areg = setcd(pd->name);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
530 *smem(u+1) = *areg ;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
531 pd->use = 1;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
532 pd->dir = 1;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
533 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
534 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
535 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
536 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
537 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
538
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
539 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
540 * I$Delete Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
541 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
542 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
543 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
544 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
545 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
546 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
547 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
548 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
549 case 0xd5: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
550 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
551 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
552 struct stat st;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
553 path = (char*)pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
554 next = checkFileName(path,pd,curdir);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
555 pd->use = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
556 if (next!=0 && stat(pd->name,&st)!=0) break;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
557 if (next!=0 && ((st.st_mode&S_IFDIR)?rmdir(pd->name):unlink(pd->name)) == 0) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
558 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
559 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
560 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
561 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
562 break;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
563
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
564 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
565 * I$Seek Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
566 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
567 * Entry Conditions
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
568 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
569 * X MS 16 bits of the desired file position
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
570 * U LS 16 bits of the desired file position
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
571 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
572 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
573 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
574 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
575 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
576 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
577 case 0xd6: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
578 *breg = 0xff;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
579 ureg = (*smem(u+8)<<8)+*smem(u+9);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
580 off_t seek = (xreg<<16)+ureg;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
581 *breg = fseek(pd->fp,(off_t)seek,SEEK_SET);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
582 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
583 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
584 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
585 * I$ReadLn Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
586 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
587 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
588 * Entry Conditions in correct mmu map
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
589 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
590 * X address at which to store data
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
591 * Y maximum number of bytes to read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
592 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
593 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
594 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
595 * Y number of bytes read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
596 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
597 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
598 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
599 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
600 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
601 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
602 case 0xd7:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
603 *breg = 0xff;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
604 buf = (char*)pmem(xreg);
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
605 char *b;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
606 if ((b=fgets(buf,yreg,pd->fp))) {
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
607 if (b==0) {
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
608 *breg = 0xd3;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
609 break;
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
610 }
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
611 int i;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
612 for(i=0;i<yreg && buf[i];i++);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
613 if (i>0 && buf[i-1]=='\n') {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
614 buf[i-1] = '\r';
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
615 yreg = i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
616 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
617 // set y
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
618 setword(smem(u+6),yreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
619 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
620 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
621 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
622
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
623 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
624 * I$Read Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
625 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
626 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
627 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
628 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
629 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
630 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
631 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
632 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
633 case 0xd8:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
634 *breg = 0xff;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
635 buf = (char*)pmem(xreg);
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
636 int i = fread(buf,1,yreg,pd->fp);
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
637 // set y
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
638 setword(smem(u+6),i);
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
639 *breg = (i==0?0xd3:0) ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
640 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
641
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
642 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
643 * I$WritLn Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
644 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
645 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
646 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
647 * X address of the data to write
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
648 * Y maximum number of bytes to read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
649
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
650 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
651 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
652 * Y number of bytes written
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
653 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
654 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
655 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
656 */
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
657 case 0xd9: {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
658 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
659 if (pd->dir) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
660 int len = yreg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
661 int i = 0;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
662 Byte *buf = pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
663 while(len>0 && *buf !='\r') {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
664 fputc(buf[i++],pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
665 len--;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
666 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
667 if (buf[i]=='\r') {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
668 fputc('\n',pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
669 i++;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
670 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
671 *breg = 0;
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
672 // set y
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
673 setword(smem(u+6),i);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
674 break;
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
675 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
676
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
677 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
678 * I$Write Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
679 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
680 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
681 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
682 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
683 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
684 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
685 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
686 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
687 case 0xda :
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
688 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
689 if (!pd->dir) {
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
690 Byte *buf = pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
691 int len = yreg;
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
692 int err = fwrite(buf,1,len,pd->fp);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
693 *breg = err?0:0xff;
48
ea1b17311bf3 dir /v0 worked but dir /v0/src and chd /v0; dir does not
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
694 // set y
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
695 setword(smem(u+6),err);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
696 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
697 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
698
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
699 /* I$Close Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
700 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
701 * Entry: A = path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
702 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
703 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
704 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
705 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
706 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
707 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
708 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
709 case 0xdb:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
710 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
711 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
712 closepd(pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
713 *breg = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
714 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
715
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
716 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
717 * I$GetStat Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
718 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
719 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
720 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
721 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
722 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
723 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
724 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
725 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
726 case 0xdc: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
727 struct stat st;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
728 off_t pos;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
729 switch (*breg) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
730 case 01: // SS.Ready
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
731 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
732 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
733 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
734 if ((pos = ftell(pd->fp))) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
735 xreg = st.st_size - pos;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
736 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
737 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
738 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
739 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
740 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
741 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
742 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
743 xreg = st.st_size ;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
744 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
745 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
746 case 05: // SS.Pos
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
747 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
748 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
749 xreg = ftell(pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
750 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
751 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
752 case 15: // SS.FD
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
753 /* SS.FD ($0F) - Returns a file descriptor
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
754 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
755 * R$B=SS.FD ($0F)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
756 * R$X=Pointer to a 256 byte buffer
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
757 * R$Y=# bytes of FD required
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
758 * this should be handled in vrbf
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
759 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
760 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
761 if (pd==0) break;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
762 *breg = filedescriptor(pmem(xreg), yreg,pd) ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
763 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
764 case 0x20: // Pos.FDInf mandatry for dir command
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
765 /* SS.FDInf ($20) - Directly reads a file descriptor from anywhere
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
766 * on drive.
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
767 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
768 * R$B=SS.FDInf ($20)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
769 * R$X=Pointer to a 256 byte buffer
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
770 * R$Y= MSB - Length of read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
771 * LSB - MSB of logical sector #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
772 * R$U= LSW of logical sector #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
773 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
774 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
775 if (pd==0) break;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
776 ureg = getword(smem(u+8));
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
777 *breg = fdinfo(pmem(xreg),yreg,xreg*0x10000+ureg,pd);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
778 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
779 default:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
780 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
781 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
782 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
783 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
784
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
785 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
786 * I$SetStat Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
787 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
788 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
789 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
790 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
791 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
792 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
793 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
794 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
795 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
796 case 0xdd:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
797 switch (*breg) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
798 case 0: // SS.Opt
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
799 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
800 case 15: // SS.FD
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
801 case 0x11: // SS.Lock
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
802 case 0x10: // SS.Ticks
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
803 case 0x20: // SS.RsBit
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
804 case 0x1c: // SS.Attr
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
805 default:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
806 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
807 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
808 break;
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
809 }
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
810 // return value
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
811 mem[0xffc0] = *breg;
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
812 *smem(u+2) = *breg ;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
813 setword(smem(u+4),xreg);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
814 }
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
815
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
816 static void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
817 vdisklog(Word u,PathDesc *pd, Word pdptr, int curdir, FILE *fp) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
818 char *cd = cdt[curdir]?cdt[curdir]:"(null)";
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
819 fprintf(fp,"pd %d 0x%x cd[%d]=%s ",pd->num, pdptr, curdir,cd);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
820 Byte *frame = smem(u);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
821 sreg = u;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
822 ccreg = frame[0];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
823 *areg = frame[1];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
824 *breg = frame[2];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
825 xreg = getword(frame+4);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
826 yreg = getword(frame+6);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
827 ureg = getword(frame+8);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
828 pcreg = getword(frame+10)-3;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
829 prog = (char*)(pmem(pcreg) - pcreg);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
830 do_trace(fp);
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
831 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
832
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
833
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
834 /* end */