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annotate vdisk.c @ 47:15f1e1b49928

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open dir worked ?
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Fri, 20 Jul 2018 17:04:49 +0900
parents ec9f494497e1
children ea1b17311bf3
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
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1 /********************************************************************
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2 * Virtual RBF - Random Block File Manager
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3 *
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4 * Shinji KONO (kono@ie.u-ryukyu.ac.jp) 2018/7/17
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5 * GPL v1 license
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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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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <unistd.h>
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13 #include <sys/stat.h>
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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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17 #include <time.h>
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18
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21 #ifdef USE_MMU
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22 extern char *prog ; // for disass
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23 extern Byte * mem0(Byte *iphymem, Word adr, Byte *immu) ;
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24 // pmem physical address using current mmu
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25 // smem physical address using system mmu
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26 // umem physical address using caller's mmu
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27 #define pmem(a) mem0(phymem,a,mmu)
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28 #define smem(a) mem0(phymem,a,&mem[0x20+IOPAGE])
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29 #define umem(a) (mem[0x42+IOPAGE]?mem0(phymem,a,&mem[0x28+IOPAGE]):mem0(phymem,a,&mem[0x20+IOPAGE]))
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30 #else
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31 #define pmem(a) (&mem[a])
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32 #define umem(a) (&mem[a])
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33 #define smem(a) (&mem[a])
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34 #endif
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35
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36 #define MAXPDV 256
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38
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39 typedef struct pathDesc {
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40 char *name;
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41 FILE *fp;
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42 int mode;
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43 int inode ; // lower 24 bit of unix inode, os9 lsn
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44 int num ;
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45 int sz ; // used only for directory
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46 char drv ;
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47 char use ;
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48 char dir;
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49 char *fd ;
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50 char *dirfp;
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51 } PathDesc, *PathDescPtr;
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52
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53 #define MAXVDRV 4
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54
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55 char *drvRoot[] = { ".",".",".","."};
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56 PathDesc pdv[MAXPDV];
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58 int setVdisk(int drv,char *name) {
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59 if (drv<0 || drv>=MAXVDRV) return -1;
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60 drvRoot[drv] = name;
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61 return 0;
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62 }
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63
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64 void closepd(PathDesc *pd) {
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65 int err = fclose(pd->fp) ;
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66 pd->use = 0;
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67 pd->fp = 0;
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68 pd->mode = 0;
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69 free(pd->dirfp); pd->dirfp = 0;
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70 free(pd->name); pd->name = 0;
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71 free(pd->fd); pd->fd = 0;
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72 }
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73
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74 #define MAXPAHTLEN 256
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75
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76 char *addCurdir(char *name, PathDesc *pd, PathDesc *curdir) {
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77 int ns =0 ;
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78 char *n = name;
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79 if (name[0]=='/') {
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80 while(*name !='/' && *name!=0) name ++ ; // skip /d0
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81 while(name[ns]!=0) ns++;
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82 } else if (curdir==0 || !curdir->name ) return 0; // no current directory
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83 int ps = ns;
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84 char *base ;
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85 if (name[0]-='/') {
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86 base = drvRoot[pd->drv]; ps += strlen(drvRoot[pd->drv])+1;
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87 } else if (name[0]==0) {
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88 return drvRoot[pd->drv];
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89 } else {
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90 name++; base = curdir->name; ps += strlen(curdir->name)+1;
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91 }
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92 char *path = (char*)malloc(ps+1);
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93 int i = 0;
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94 for(;base[i];i++) path[i] = base[i];
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95 path[i++] = '/';
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96 for(int j=0;j<ns;j++,i++) path[i] = name[j];
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97 path[i++] = 0;
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98 return path;
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99 }
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100
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101 char * checkFileName(char *path, PathDesc *pd, PathDesc *curdir) {
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102 char *p = path;
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103 char *name = path;
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104 int maxlen = MAXPAHTLEN;
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105 while(*p!=0 && (*p&0x80)==0 && (*p>0x1f) && maxlen-->0) p++;
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106 if (maxlen==MAXPAHTLEN) return 0;
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107 if (*p!=0) {
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108 name = (char *)malloc(p-path+1);
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109 strncpy(name,path, MAXPAHTLEN-maxlen);
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110 name[MAXPAHTLEN-maxlen] = 0;
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111 }
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112 char *name1 = addCurdir(name,pd,curdir);
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113 if (name1!=name && name1!=path) free(name);
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114 if (name1==0) return 0;
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115 pd->name = name1;
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116 return p;
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117 }
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118
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119 void os9setmode(char *os9mode,int mode) {
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120 char m = 0;
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121 if (mode&S_IFDIR) m|=0x80;
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122 if (mode&S_IRUSR) m|=0x01;
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123 if (mode&S_IWUSR) m|=0x02;
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124 if (mode&S_IXUSR) m|=0x04;
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125 if (mode&S_IROTH) m|=0x08;
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126 if (mode&S_IWOTH) m|=0x10;
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127 if (mode&S_IXOTH) m|=0x20;
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128 m|=0x60; // always sharable
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129 *os9mode = m;
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130 }
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parents:
diff changeset
131
44
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parents: 43
diff changeset
132 char * os9toUnixAttr(Byte attr) {
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parents: 43
diff changeset
133 if ((attr&0x1) && (attr&0x2)) return "r+";
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parents: 43
diff changeset
134 if (!(attr&0x1) && (attr&0x2)) return "w";
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parents: 43
diff changeset
135 if ((attr&0x1) && !(attr&0x2)) return "r";
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parents: 43
diff changeset
136 return "r";
43
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parents:
diff changeset
137 }
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parents:
diff changeset
138
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parents:
diff changeset
139 /*
44
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parents: 43
diff changeset
140 * os9 file descriptor
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parents: 43
diff changeset
141 * * File Descriptor Format
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parents: 43
diff changeset
142 *
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parents: 43
diff changeset
143 * The file descriptor is a sector that is present for every file
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parents: 43
diff changeset
144 * on an RBF device. It contains attributes, modification dates,
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parents: 43
diff changeset
145 * and segment information on a file.
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parents: 43
diff changeset
146 *
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parents: 43
diff changeset
147 * ORG 0
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parents: 43
diff changeset
148 *FD.ATT RMB 1 Attributes
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parents: 43
diff changeset
149 *FD.OWN RMB 2 Owner
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
150 *FD.DAT RMB 5 Date last modified
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
151 *FD.LNK RMB 1 Link count
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parents: 43
diff changeset
152 *FD.SIZ RMB 4 File size
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parents: 43
diff changeset
153 *FD.Creat RMB 3 File creation date (YY/MM/DD)
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parents: 43
diff changeset
154 *FD.SEG EQU . Beginning of segment list
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parents: 43
diff changeset
155 * Segment List Entry Format
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parents: 43
diff changeset
156 ORG 0
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parents: 43
diff changeset
157 * FDSL.A RMB 3 Segment beginning physical sector number
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parents: 43
diff changeset
158 * FDSL.B RMB 2 Segment size
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parents: 43
diff changeset
159 * FDSL.S EQU . Segment list entry size
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parents: 43
diff changeset
160 * FD.LS1 EQU FD.SEG+((256-FD.SEG)/FDSL.S-1)*FDSL.S
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parents: 43
diff changeset
161 * FD.LS2 EQU (256/FDSL.S-1)*FDSL.S
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parents: 43
diff changeset
162 * MINSEC SET 16
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parents: 43
diff changeset
163 */
43
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parents:
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164
45
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diff changeset
165 #define FD_ATT 0
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parents: 44
diff changeset
166 #define FD_OWN 1
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
167 #define FD_DAT 3
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
168 #define FD_LNK 8
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parents: 44
diff changeset
169 #define FD_SIZ 9
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parents: 44
diff changeset
170 #define FD_Creat 13
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parents: 44
diff changeset
171 #define FD_SEG 16
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parents: 44
diff changeset
172
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parents: 44
diff changeset
173
44
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parents: 43
diff changeset
174 /*
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parents: 43
diff changeset
175 * os9 directory structure
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parents: 43
diff changeset
176 *
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parents: 43
diff changeset
177 * ORG 0
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parents: 43
diff changeset
178 *DIR.NM RMB 29 File name
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parents: 43
diff changeset
179 *DIR.FD RMB 3 File descriptor physical sector number
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parents: 43
diff changeset
180 *DIR.SZ EQU . Directory record size
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parents: 43
diff changeset
181 */
45
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parents: 44
diff changeset
182 #define DIR_SZ 32
07c84761da6f dd vrbf asm code
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parents: 44
diff changeset
183 #define DIR_NM 29
43
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parents:
diff changeset
184
7a83a6a1685a vdisk start
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parents:
diff changeset
185
44
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parents: 43
diff changeset
186 /* read direcotry entry */
45
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parents: 44
diff changeset
187 int os9opendir(PathDesc *pd) {
44
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parents: 43
diff changeset
188 DIR *dir;
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parents: 43
diff changeset
189 struct dirent *dp;
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parents: 43
diff changeset
190 dir = opendir(pd->name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
191 if (dir==0) return -1;
44
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parents: 43
diff changeset
192 int dircount = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
193 while ((dp = readdir(dir)) != NULL) dircount++; // pass 1 to determine the size
44
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parents: 43
diff changeset
194 if (dircount==0) return 0; // should contains . and .. at least
45
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parents: 44
diff changeset
195 pd->sz = dircount*DIR_SZ;
44
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parents: 43
diff changeset
196 pd->dirfp = (char *)malloc(dircount*DIR_SZ);
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parents: 43
diff changeset
197 rewinddir(dir);
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parents: 43
diff changeset
198 int i = 0;
45
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parents: 44
diff changeset
199 while ((dp = readdir(dir)) != NULL) {
44
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parents: 43
diff changeset
200 int j = 0;
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parents: 43
diff changeset
201 for(j = 0; j < DIR_NM ; j++) {
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parents: 43
diff changeset
202 if (j< dp->d_namlen)
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
203 pd->dirfp[i+j] = dp->d_name[j];
44
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parents: 43
diff changeset
204 else
47
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
205 pd->dirfp[i+j] = 0;
44
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parents: 43
diff changeset
206 }
47
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
207 pd->dirfp[i+j] = (dp->d_ino&0xff0000)>>16;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
208 pd->dirfp[i+j+1] = (dp->d_ino&0xff00)>>8;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
209 pd->dirfp[i+j+2] = dp->d_ino&0xff;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
210 i += DIR_SZ;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
211 if (i>pd->sz) return 0;
44
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parents: 43
diff changeset
212 }
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parents: 43
diff changeset
213 pd->fp = fmemopen(pd->dirfp,pd->sz,"r");
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parents: 43
diff changeset
214 return 0;
43
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parents:
diff changeset
215 }
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parents:
diff changeset
216
45
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parents: 44
diff changeset
217 void os9setdate(char *d,struct timespec * unixtime) {
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
218 // yymmddhhss
47
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
219 struct tm r;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
220 localtime_r(&unixtime->tv_sec,&r);
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
221 d[0] = r.tm_year-2000;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
222 d[1] = r.tm_mon;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
223 d[2] = r.tm_mday;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
224 d[3] = r.tm_hour;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
225 d[4] = r.tm_min;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
226 d[5] = r.tm_sec;
45
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parents: 44
diff changeset
227 }
43
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parents:
diff changeset
228
44
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parents: 43
diff changeset
229 /* read file descriptor of Path Desc
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parents: 43
diff changeset
230 * create file descriptor sector if necessary
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parents: 43
diff changeset
231 * if buf!=0, copy it
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parents: 43
diff changeset
232 */
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parents: 43
diff changeset
233 int filedescriptor(Byte *buf, int len, PathDesc *pd) {
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parents: 43
diff changeset
234 struct stat st;
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parents: 43
diff changeset
235 if (pd->fd) return 1;
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parents: 43
diff changeset
236 pd->fd = (char *)malloc(256);
45
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parents: 44
diff changeset
237 stat(pd->name,&st);
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
238 os9setmode(pd->fd+FD_ATT,st.st_mode);
07c84761da6f dd vrbf asm code
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parents: 44
diff changeset
239 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
240 pd->fd[FD_OWN+1]=st.st_uid&0xff;
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parents: 44
diff changeset
241 os9setdate(pd->fd + FD_DAT,&st.st_mtimespec);
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
242 pd->fd[FD_LNK+0]=(st.st_uid&0xff000000)>>24;
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
243 pd->fd[FD_LNK+1]=(st.st_uid&0xff0000)>>16;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
244 pd->fd[FD_LNK+2]=(st.st_uid&0xff00)>>8;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
245 pd->fd[FD_LNK+3]=st.st_nlink&0xff;
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parents: 44
diff changeset
246 os9setdate(pd->fd+FD_Creat,&st.st_ctimespec);
44
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parents: 43
diff changeset
247 // dummy segment list
45
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Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
248 for(int i=FD_SEG ; i < 256; i++) pd->fd[i] = 0;
44
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parents: 43
diff changeset
249 return 0;
43
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parents:
diff changeset
250 }
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parents:
diff changeset
251
44
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parents: 43
diff changeset
252 /* read direcotry entry for any file in the directory
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parents: 43
diff changeset
253 * we only returns a file descriptor only in the current opened directory
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parents: 43
diff changeset
254 *
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parents: 43
diff changeset
255 * inode==0 should return disk id section
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parents: 43
diff changeset
256 * inode==bitmap should return disk sector map for os9 free command
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parents: 43
diff changeset
257 */
45
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parents: 44
diff changeset
258 int fdinfo(Byte *buf,int len, int inode, PathDesc *pd) {
44
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parents: 43
diff changeset
259 int i;
b26c23331d02 add more function on vdisk
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parents: 43
diff changeset
260 for(i=0;i<MAXPDV;i++) {
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parents: 43
diff changeset
261 PathDesc *pd = pdv+i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
262 if (!pd->use || !pd->dir) continue;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
263 // find inode in directory
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
264 char *dir = (char *)pd->dirfp;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
265 while( dir < dir + pd->sz ) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
266 Byte *p = (Byte *)(dir + DIR_NM);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
267 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
268 if (inode == dinode) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
269 filedescriptor(buf,len,pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
270 return 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
271 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
272 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 }
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
274 return 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
276
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 /*
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
278 * 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
279 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
280 * name or buffer, can be in a user map, pmem check that drive number ( mem[0x41+IOPAGE] 0 sys 1 user )
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
281 * 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
282 * yreg has pd number
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
283 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
284 void do_vdisk(Byte cmd) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
285 int err;
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
286 PathDesc *curdir = pdv+mem[0x44+IOPAGE]; // garbage until set
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
287 Byte attr ;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
288 Word u = (mem[0x45+IOPAGE]<<8)+mem[0x46+IOPAGE]; // caller's stack in system segment
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
289 xreg = (*smem(u+4)<<8)+*smem(u+5);
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
290 *areg = *smem(u+1);
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
291 *breg = *smem(u+2);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
292 Byte mode = yreg&0xff;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
293 Byte *os9pd = smem((mem[0x47+IOPAGE]<<8)+mem[0x48+IOPAGE]);
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
294 PathDesc *pd = pdv+*os9pd;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
295 pd->num = *os9pd;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
296 pd->drv = mem[0x41+IOPAGE];
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
297 char *path,*next,*buf;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
298
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
299 switch(cmd) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
300 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
301 * I$Create Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
302 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
303 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
304 * B = file attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
305 * X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
306 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
307 * Exit: A = pathnum
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
308 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
309 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
310 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
311 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
312 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
313 case 0xd1:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
314 mode = *areg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
315 attr = *breg;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
316 path = (char *)umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
317 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
318 pd->dir = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
319 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
320 if (next!=0 && pd->fp ) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
321 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
322 pd->use = 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
323 } else {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
324 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
325 free(pd->name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
326 pd->use = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
327 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
328 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
329
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
330 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
331 * I$Open Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
332 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
333 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
334 * X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
335 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
336 * Exit: A = pathnum
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
337 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
338 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
339 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
340 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
341 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
342 case 0xd2:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
343 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
344 mode = *areg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
345 attr = *breg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
346 pd->fp = 0;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
347 path = (char*)umem(xreg);
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
348 next = checkFileName(path,pd,curdir);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
349 *breg = 0xff;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
350 if (next!=0) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
351 struct stat buf;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
352 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
353 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
354 pd->dir = 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
355 os9opendir(pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
356 } else {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
357 pd->dir = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
358 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
359 }
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
360 pd->use = 1;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
361 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
362 if (next!=0 && pd->fp !=0) {
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
363 *breg = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
364 *areg = pd->num;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
365 xreg += ( next - path );
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
366 pd->use = 1;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
367 } else {
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
368 pd->use = 0;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
369 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
370 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
371
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
372 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
373 * I$MakDir Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
374 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
375 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
376 * B = directory attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
377 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
378 * 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
379 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
380 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
381 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
382 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
383
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
384 case 0xd3:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
385 *breg = 0xff;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
386 path = (char*)umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
387 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
388 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
389 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
390 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
391 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
392 closepd(pd);
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
394
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
395 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
396 * I$ChgDir Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
397 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
398 * data dir P$DIO 3-5 contains open dir Path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
399 * exec dir P$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
400 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
401 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
402 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
403 * *areg = access mode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
404 * 0 = Use any special device capabilities
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
405 * 1 = Read only
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
406 * 2 = Write only
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
407 * 3 = Update (read and write)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
408 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
409 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
410 * 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
411 * A = open directory Path Number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
412 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
413 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
414 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
415 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
416 case 0xd4:
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
417 path = (char*)umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
418 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
419 if (next!=0 && os9opendir(pd)) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
420 if (curdir!=pd) closepd(curdir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
421 if (pd->name != path) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
422 free(path);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
423 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
424 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
425 *areg = pd->num;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
426 pd->use = 1;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
427 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
428 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
429 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
430 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
431 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
432
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 * I$Delete Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
435 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
436 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
437 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
438 * Exit:
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 0xd5: {
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 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
446 struct stat st;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
447 path = (char*)umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
448 next = checkFileName(path,pd,curdir);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
449 pd->use = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
450 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
451 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
452 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
453 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
454 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
455 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
456 break;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
457
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
458 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
459 * I$Seek Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
460 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
461 * Entry Conditions
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
462 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
463 * X MS 16 bits of the desired file position
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
464 * Y LS 16 bits of the desired file position
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
465 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
466 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
467 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
468 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
469 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
470 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
471 case 0xd6: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
472 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
473 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
474 off_t seek = (xreg<<16)+yreg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
475 *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
476 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
477 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
478 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
479 * I$ReadLn Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
480 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
481 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
482 * Entry Conditions in correct mmu map
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
483 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
484 * 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
485 * 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
486 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
487 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
488 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
489 * Y number of bytes read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
490 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
491 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
492 * B = errcode
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 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
495 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
496 case 0xd7:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
497 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
498 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
499 if (pd->dir) break;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
500 buf = (char*)umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
501 if (fgets(buf,yreg,pd->fp)) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
502 int len = yreg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
503 int i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
504 for(i=0;i<len && buf[i];i++);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
505 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
506 buf[i-1] = '\r';
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
507 yreg = i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
508 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
509 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
510 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
511 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
512
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
513 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
514 * I$Read Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
515 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
516 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
517 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
518 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
519 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
520 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
521 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
522 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
523 case 0xd8:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
524 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
525 if (pd==0) break;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
526 buf = (char*)umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
527 err = fread(buf,yreg,1,pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
528 *breg = err==0?0xff:0 ;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
529 yreg = err ;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
530 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
531
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
532 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
533 * I$WritLn Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
534 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
535 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
536 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
537 * 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
538 * 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
539
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
540 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
541 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
542 * Y number of bytes written
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
545 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
546 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
547 case 0xd9:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
548 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
549 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
550 if (pd->dir) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
551 int len = yreg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
552 int i = 0;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
553 Byte *buf = umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
554 while(len>0 && *buf !='\r') {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
555 fputc(buf[i++],pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
556 len--;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
557 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
558 if (buf[i]=='\r') {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
559 fputc('\n',pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
560 i++;
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 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
563 yreg = i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
564 break;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
565
44
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 * I$Write Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
568 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
569 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
570 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
571 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
572 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
573 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
574 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
575 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
576 case 0xda :
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
577 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
578 if (!pd->dir) {
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
579 Byte *buf = umem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
580 int len = yreg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
581 int err = fwrite(buf,len,1,pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
582 *breg = err?0xff:0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
583 yreg = err;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
584 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
585 break;
44
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 /* I$Close Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
588 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
589 * Entry: A = path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
590 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
591 * Exit:
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
594 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
595 *
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 case 0xdb:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
598 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
599 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
600 closepd(pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
601 *breg = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
602 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
603
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
604 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
605 * I$GetStat Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
606 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
607 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
608 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
609 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
610 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
611 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
612 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
613 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
614 case 0xdc: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
615 struct stat st;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
616 off_t pos;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
617 switch (*breg) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
618 case 01: // SS.Ready
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
619 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
620 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
621 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
622 if ((pos = ftell(pd->fp))) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
623 xreg = st.st_size - pos;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
624 *breg = 0;
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 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
627 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
628 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
629 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
630 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
631 xreg = st.st_size ;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
632 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
633 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
634 case 05: // SS.Pos
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
635 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
636 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
637 xreg = ftell(pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
638 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
639 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
640 case 15: // SS.FD
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
641 /* SS.FD ($0F) - Returns a file descriptor
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
642 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
643 * R$B=SS.FD ($0F)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
644 * R$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
645 * R$Y=# bytes of FD required
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
646 * this should be handled in vrbf
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
647 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
648 *breg = 0xff;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
649 yreg = (*smem(u+6)<<8)+*smem(u+7);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
650 if (pd==0) break;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
651 *breg = filedescriptor(umem(xreg), yreg,pd) ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
652 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
653 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
654 /* SS.FDInf ($20) - Directly reads a file descriptor from anywhere
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
655 * on drive.
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
656 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
657 * R$B=SS.FDInf ($20)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
658 * R$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
659 * R$Y= MSB - Length of read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
660 * LSB - MSB of logical sector #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
661 * R$U= LSW of logical sector #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
662 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
663 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
664 if (pd==0) break;
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
665 yreg = (*smem(u+6)<<8)+*smem(u+7);
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
666 ureg = (*smem(u+8)<<8)+*smem(u+9);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
667 *breg = fdinfo(pmem(xreg),yreg,xreg*0x10000+ureg,pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
668 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
669 default:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
670 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
671 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
672 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
673 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
674
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
675 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
676 * I$SetStat Entry Point
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 * Entry:
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 * Exit:
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 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
683 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
684 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
685 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
686 case 0xdd:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
687 switch (*breg) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
688 case 0: // SS.Opt
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
689 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
690 case 15: // SS.FD
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
691 case 0x11: // SS.Lock
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
692 case 0x10: // SS.Ticks
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
693 case 0x20: // SS.RsBit
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
694 case 0x1c: // SS.Attr
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
695 default:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
696 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
697 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
698 break;
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
699 }
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
700 // return value
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
701 mem[0xffc0] = *breg;
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
702 *smem(u+2) = *breg ;
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
703 *smem(u+4) = (xreg & 0xff00) >> 8;
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
704 *smem(u+5) = xreg & 0xff;
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
705
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
706 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
707
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
708