annotate src/vdisk.c @ 61:80f4ec9a3420

fix writeln chdir don't touch the path descriptor contents
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 25 Jul 2018 20:05:06 +0900
parents 7c6dc25c2b05
children 5b3871f8bdaa
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
1 /********************************************************************
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
2 * Virtual RBF - Random Block File Manager
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
3 *
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
4 * Shinji KONO (kono@ie.u-ryukyu.ac.jp) 2018/7/17
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
5 * GPL v1 license
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
6 */
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
7
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
8 #define engine extern
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
9 #include "v09.h"
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
10 #include <stdio.h>
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
11 #include <stdlib.h>
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
12 #include <unistd.h>
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
13 #include <sys/stat.h>
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
14 #include <sys/select.h>
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
15 #include <dirent.h>
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
16 #include <string.h>
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
17 #include <time.h>
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
18 #include <arpa/inet.h>
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
19 #include <fcntl.h>
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
20
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
21 static int vdiskdebug = 1; // bit 1 trace, bit 2 filename
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
22
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
23
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
24 Byte pmmu[8]; // process dat mmu
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
25
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
26 extern char *prog ; // for disass
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
27 #ifdef USE_MMU
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
28 extern Byte * mem0(Byte *iphymem, Word adr, Byte *immu) ;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
29 // smem physical address using system mmu
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
30 // pmem physical address using caller's mmu
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
31 #define smem(a) mem0(phymem,a,&mem[0x20+IOPAGE])
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
32 #define pmem(a) mem0(phymem,a,pmmu)
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
33 #else
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
34 #define smem(a) (&mem[a])
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
35 #define pmem(a) (&mem[a])
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
36 #endif
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
37
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
38 #define MAXPDV 256
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
39
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
40 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
41 * os9 has one path descriptor for one open file or directory
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
42 * keep coresponding information in vdisk file manager
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
43 */
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
44
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
45 typedef struct pathDesc {
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
46 char *name; // path name relative to drvRoot
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
47 FILE *fp; // file , memfile for directory
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
48 int mode;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
49 int inode ; // lower 24 bit of unix inode, os9 lsn
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
50 int num ;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
51 int sz ; // used only for directory
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
52 char drv ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
53 char use ;
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
54 char dir; // is directory?
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
55 char *fd ; // simulated os9 file descriptor ( not used now)
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
56 char *dirfp; // simulated os9 directory file
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
57 } PathDesc, *PathDescPtr;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
58
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
59 static void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
60 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
61
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
62 #define MAXVDRV 4
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
63
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
64 static char *drvRoot[] = { ".",".",".","."};
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
65 static PathDesc pdv[MAXPDV];
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
66
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
67 /*
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
68 * byte order staff
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
69 */
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
70 static inline Word
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
71 getword(Byte *adr) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
72 Word *padr = (Word*)adr;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
73 return ntohs(*padr);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
74 }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
75
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
76 static inline void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
77 setword(Byte *adr,Word value) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
78 Word *padr = (Word*)adr;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
79 *padr = htons(value);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
80 }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
81
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
82 int
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
83 setVdisk(int drv,char *name) {
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
84 if (drv<0 || drv>=MAXVDRV) return -1;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
85 drvRoot[drv] = name;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
86 return 0;
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
87 }
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
88
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
89 static void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
90 closepd(PathDesc *pd) {
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
91 if(pd->fp) fclose(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
92 pd->dir = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
93 pd->use = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
94 pd->fp = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
95 pd->mode = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
96 free(pd->dirfp); pd->dirfp = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
97 free(pd->name); pd->name = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
98 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
99
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
100 /*
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
101 * keep track current directory ( most recently 256 entry )
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
102 * too easy approach
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
103 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
104 * dir command keep old directory LSN, so we have to too
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
105 */
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
106 char *cdt[512];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
107 static int cdtptr = 0;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
108
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
109 Byte
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
110 setcd(char *name) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
111 int len;
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
112 for(int i=0;i<512;i++) {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
113 if (cdt[i] && strcmp(name,cdt[i])==0) return i;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
114 }
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
115 cdtptr &= 0x1ff;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
116 if (cdt[cdtptr]) free(cdt[cdtptr]);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
117 cdt[cdtptr] = (char*)malloc(len=strlen(name)+1);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
118 strcpy(cdt[cdtptr],name);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
119 return cdtptr++;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
120 }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
121
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
122 #define MAXPAHTLEN 256
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
123
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
124 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
125 * print os9 string for debug
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
126 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
127 static void
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
128 putOs9str(char *s,int max) {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
129 if (s==0) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
130 printf("(null)");
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
131 return;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
132 }
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
133 while(*s && (*s&0x7f)>=' ' && ((*s&0x80)==0) && --max !=0) {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
134 putchar(*s); s++;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
135 }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
136 if (*s&0x80) putchar(*s&0x7f);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
137 }
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
138
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
139 static void
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
140 err(int error) {
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
141 printf("err %d\n",error);
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
142 }
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
143
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
144 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
145 * add current directory name to the path
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
146 * if name starts /v0, drvRoot will be add
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
147 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
148 static char *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
149 addCurdir(char *name, PathDesc *pd, int curdir) {
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
150 int ns =0 ;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
151 char *n = name;
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
152 if(vdiskdebug&0x2) { printf("addcur \""); putOs9str(name,0); printf("\" cur \""); putOs9str( cdt[curdir],0); printf("\"\n"); }
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
153 if (name[0]=='/') {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
154 name++; while(*name !='/' && *name!=0) name ++ ; // skip /d0
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
155 while(name[ns]!=0) ns++;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
156 } 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
157 else ns = strlen(name);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
158 int ps = ns;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
159 char *base ;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
160 if (name[0]=='/') {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
161 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
162 } 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
163 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
164 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
165 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
166 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
167 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
168 return path;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
169 } else {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
170 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
171 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
172 char *path = (char*)malloc(ps);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
173 int i = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
174 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
175 path[i++] = '/';
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
176 for(int j=0;i<ps;j++,i++) path[i] = name[j];
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
177 path[i] = 0;
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
178 if (i>ps)
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
179 printf("overrun i=%d ps=%d\n",i,ps); // err(__LINE__);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
180 return path;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
181 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
182
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
183 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
184 * os9 file name may contains garbage such as 8th bit on or traling space
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
185 * fix it. and make the pointer to next path for the return value
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
186 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
187 * pd->name will be freed, we have to malloc it
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
188 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
189 static char *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
190 checkFileName(char *path, PathDesc *pd, int curdir) {
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 char *p = path;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
192 char *name = path;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 int maxlen = MAXPAHTLEN;
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
194 if(vdiskdebug&2) { printf("checkf \""); putOs9str(name,0); printf("\"\n"); }
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
195 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
196 if (maxlen==MAXPAHTLEN) return 0;
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
197 if (*p) { // 8th bit termination or non ascii termination
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
198 int eighth = ((*p&0x80)!=0);
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
199 name = (char *)malloc(p-path+1+eighth);
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
200 int i;
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
201 for(i=0;i<p-path;i++) name[i] = path[i];
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
202 if (eighth) { name[i] = path[i]&0x7f; p++ ; i++; }
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
203 name[i] = 0;
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
204 // skip trailing space
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
205 while(*p==' ') p++;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 }
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
207 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
208 if (name1!=name && name1!=path) free(name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
209 if (name1==0) return 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
210 pd->name = name1;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
211 if(vdiskdebug&2) {
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
212 printf(" remain = \"");
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
213 char *p1 = p; int max=31;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
214 while(*p1 && (*p1&0x80)==0 && max-->0) { if (*p1<0x20) printf("(0x%02x)",*p1); else putchar(*p1); p1++; }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
215 if (*p1) { if ((*p1&0x7f)<0x20) printf("(0x%02x)",*p1); else putchar(*p1&0x7f); }
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
216 printf("\" checkname result \""); putOs9str(pd->name,0); printf("\"\n");
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
217 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 return p;
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
221 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
222 * os9 / unix mode conversion
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
223 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
224 static void
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
225 os9setmode(Byte *os9mode,int mode) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
226 char m = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
227 if (mode&S_IFDIR) m|=0x80;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
228 if (mode&S_IRUSR) m|=0x01;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
229 if (mode&S_IWUSR) m|=0x02;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
230 if (mode&S_IXUSR) m|=0x04;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
231 if (mode&S_IROTH) m|=0x08;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
232 if (mode&S_IWOTH) m|=0x10;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
233 if (mode&S_IXOTH) m|=0x20;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
234 m|=0x60; // always sharable
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
235 *os9mode = m;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
238 static char *
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
239 os9toUnixAttr(Byte mode) {
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
240 if ((mode&0x1) && (mode&0x2)) return "r+";
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
241 if (!(mode&0x1) && (mode&0x2)) return "w";
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
242 if ((mode&0x1) && !(mode&0x2)) return "r";
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
243 return "r";
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
246 static int
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
247 os9mode(Byte m) {
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
248 int mode = 0;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
249 if ((m&0x80)) mode|=S_IFDIR ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
250 if ((m&0x01)) mode|=S_IRUSR ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
251 if ((m&0x02)) mode|=S_IWUSR ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
252 if ((m&0x04)) mode|=S_IXUSR ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
253 if ((m&0x08)) mode|=S_IROTH ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
254 if ((m&0x10)) mode|=S_IWOTH ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
255 if ((m&0x20)) mode|=S_IXOTH ;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
256 return mode;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
257 }
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
258
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
259
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 /*
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
261 * os9 file descriptor
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
262 * * File Descriptor Format
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
263 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
264 * 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
265 * 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
266 * and segment information on a file.
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
267 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
268 * ORG 0
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
269 *FD.ATT RMB 1 Attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
270 *FD.OWN RMB 2 Owner
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
271 *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
272 *FD.LNK RMB 1 Link count
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
273 *FD.SIZ RMB 4 File size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
274 *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
275 *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
276 * Segment List Entry Format
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
277 ORG 0
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
278 * 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
279 * FDSL.B RMB 2 Segment size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
280 * 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
281 * 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
282 * 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
283 * MINSEC SET 16
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
284 */
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
285
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
286 #define FD_ATT 0
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
287 #define FD_OWN 1
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
288 #define FD_DAT 3
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
289 #define FD_LNK 8
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
290 #define FD_SIZ 9
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
291 #define FD_Creat 13
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
292 #define FD_SEG 16
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
293
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
294
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
295 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
296 * os9 directory structure
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
297 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
298 * ORG 0
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
299 *DIR.NM RMB 29 File name
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
300 *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
301 *DIR.SZ EQU . Directory record size
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
302 */
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
303 #define DIR_SZ 32
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
304 #define DIR_NM 29
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
305
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
306
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
307 /* read direcotry entry
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
308 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
309 * create simulated os9 directory structure for dir command
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
310 * writing to the directory is not allowed
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
311 * */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
312 static int
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
313 os9opendir(PathDesc *pd) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
314 DIR *dir;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
315 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
316 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
317 dir = opendir(pd->name);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
318 if (dir==0) return -1;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
319 int dircount = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
320 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
321 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
322 pd->sz = dircount*DIR_SZ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
323 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
324 rewinddir(dir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
325 int i = 0;
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
326 while ((dp = readdir(dir)) != NULL && dircount-->=0) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
327 int j = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
328 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
329 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
330 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
331 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
332 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
333 } else
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
334 pd->dirfp[i+j] = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
335 }
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
336 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
337 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
338 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
339 i += DIR_SZ;
51
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
340 if (i>pd->sz)
498b6fcaf270 vdisk worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 50
diff changeset
341 return 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
342 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
343 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
344 return 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
346
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
347 static void
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
348 os9setdate(Byte *d,struct timespec * unixtime) {
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
349 // yymmddhhss
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
350 struct tm r;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
351 localtime_r(&unixtime->tv_sec,&r);
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
352 d[0] = r.tm_year-2048;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
353 d[1] = r.tm_mon + 1;
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
354 d[2] = r.tm_mday;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
355 d[3] = r.tm_hour;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
356 d[4] = r.tm_min;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
357 d[5] = r.tm_sec;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
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 /* read file descriptor of Path Desc
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
361 * create file descriptor sector if necessary
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
362 * if buf!=0, copy it
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
363 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
364 * only dir command accesses this using undocumented getstat fdinfo command
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
365 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
366 static int
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
367 filedescriptor(Byte *buf, int len, Byte *name,int curdir) {
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
368 int err = 0x255;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
369 PathDesc pd;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
370 if (len<13) return -1;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
371 checkFileName((char*)name,&pd,curdir);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
372 struct stat st;
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
373 if (stat(pd.name,&st)!=0) goto err1;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
374 os9setmode(buf+FD_ATT,st.st_mode);
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
375 buf[FD_OWN]=(st.st_uid&0xff00)>>8;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
376 buf[FD_OWN+1]=st.st_uid&0xff;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
377 os9setdate(buf+ FD_DAT,&st.st_mtimespec);
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
378 buf[FD_LNK]=st.st_nlink&0xff;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
379 buf[FD_SIZ+0]=(st.st_size&0xff000000)>>24;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
380 buf[FD_SIZ+1]=(st.st_size&0xff0000)>>16;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
381 buf[FD_SIZ+2]=(st.st_size&0xff00)>>8;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
382 buf[FD_SIZ+3]=st.st_size&0xff;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
383 os9setdate(buf+FD_Creat,&st.st_ctimespec);
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
384 err = 0;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
385 err1:
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
386 free(pd.name);
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
387 return err;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
388 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
389
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
390 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
391 * undocumented getstat command
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
392 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
393 * read direcotry entry for *any* file in the directory
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
394 * 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
395 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
396 * 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
397 * 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
398 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
399 static int
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
400 fdinfo(Byte *buf,int len, int inode, PathDesc *pd,int curdir) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
401 int i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
402 for(i=0;i<MAXPDV;i++) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
403 PathDesc *pd = pdv+i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
404 if (!pd->use || !pd->dir) continue;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
405 // find inode in directory
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
406 Byte *dir = (Byte*)pd->dirfp;
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
407 Byte *end = (Byte*)pd->dirfp + pd->sz;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
408 while( dir < end ) {
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
409 Byte *p = (dir + DIR_NM);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
410 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
411 if (inode == dinode) {
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
412 return filedescriptor(buf,len,dir,curdir);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
413 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
414 dir += 0x20;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
415 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 }
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
417 return 255;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
418 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
419
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
420 /*
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
421 * on os9 level 2, user process may on different memory map
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
422 * get DAT table on process descriptor on 0x50 in system page
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
423 */
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
424 void
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
425 getDAT() {
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
426 #ifdef USE_MMU
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
427 Word ps = getword(smem(0x50)); // process structure
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
428 Byte *dat = smem(ps+0x40); // process dat (dynamic address translation)
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
429 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
430 pmmu[i] = dat[i*2+1];
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
431 }
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
432 #endif
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
433 }
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
434
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 /*
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
436 * vdisk command processing
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
437 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
438 * vrbf.asm will write a command on 0x40+IOPAGE ( 0xffc0 or 0xe040)
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
439 *
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
440 * U contains caller's stack (call and return value) on 0x45+IOPAGE
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
441 * current directory (cwd or cxd) on 0x44+IOPAGE
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
442 * Path dcriptor number on 0x47+IOPAGE
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
443 * drive number on 0x41+IOPAGE
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
444 * caller's process descriptor on <0x50
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
445 *
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
446 * 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
447 *
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
448 * 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
449 * 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
450 * yreg has pd number
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
451 */
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
452 void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
453 do_vdisk(Byte cmd) {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
454 int err;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
455 int curdir = mem[0x44+IOPAGE]; // garbage until set
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
456 Byte attr ;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
457 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
458 Byte *frame = smem(u);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
459 xreg = getword(frame+4);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
460 yreg = getword(frame+6);
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
461 *areg = *smem(u+1);
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
462 *breg = *smem(u+2);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
463 Byte mode = 0;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
464 Byte *os9pd = smem(getword(&mem[0x47+IOPAGE]));
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
465 PathDesc *pd = pdv+*os9pd;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
466
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
467 getDAT();
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
468 pd->num = *os9pd;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
469 pd->drv = mem[0x41+IOPAGE];
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
470 char *path,*next,*buf;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
471 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
472
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
473 switch(cmd) {
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$Create 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: A = access mode desired
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
478 * B = file attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
479 * X = address of the pathlist
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 * Exit: A = pathnum
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
482 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
483 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
484 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
485 * B = errcode
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 case 0xd1:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
488 mode = *areg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
489 attr = *breg;
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
490 pd->fp = 0;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
491 path = (char *)pmem(xreg);
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
492 next = checkFileName(path,pd,curdir);
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
493 *breg = 0xff;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
494 int fd = open(pd->name, O_RDWR+O_CREAT,os9mode(attr) );
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
495 if (fd>0)
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
496 pd->fp = fdopen(fd, os9toUnixAttr(mode));
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
497 if (next!=0 && pd->fp ) {
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
498 *breg = 0;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
499 *areg = pd->num;
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
500 *smem(u+1) = *areg ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
501 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
502 pd->use = 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
503 } else {
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
504 pd->use = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
505 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
506 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
507
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 * I$Open Entry Point
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 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
512 * X = address of the pathlist
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 * Exit: A = pathnum
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
515 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
516 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
517 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
518 * B = errcode
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 case 0xd2:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
521 mode = *areg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
522 attr = *breg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
523 pd->fp = 0;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
524 path = (char*)pmem(xreg);
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
525 next = checkFileName(path,pd,curdir);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
526 *breg = 0xff;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
527 if (next!=0) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
528 struct stat buf;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
529 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
530 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
531 pd->dir = 1;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
532 os9opendir(pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
533 } else {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
534 pd->dir = 0;
45
07c84761da6f dd vrbf asm code
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 44
diff changeset
535 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
536 }
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
537 pd->use = 1;
44
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 if (next!=0 && pd->fp !=0) {
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
540 *breg = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
541 *areg = pd->num;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
542 *smem(u+1) = *areg ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
543 xreg += ( next - path );
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
544 pd->use = 1;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
545 } else {
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
546 pd->use = 0;
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
547 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
548 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
549
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
550 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
551 * I$MakDir Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
552 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
553 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
554 * B = directory attributes
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
555 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
556 * 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
557 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
558 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
559 * B = errcode
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 case 0xd3:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
563 *breg = 0xff;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
564 path = (char*)pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
565 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
566 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
567 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
568 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
569 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
570 closepd(pd);
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
571 break;
44
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 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
574 * I$ChgDir Entry Point
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 * data dir P$DIO 3-5 contains open dir Path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
577 * exec dir P$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
578 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
579 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
580 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
581 * *areg = access mode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
582 * 0 = Use any special device capabilities
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
583 * 1 = Read only
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
584 * 2 = Write only
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
585 * 3 = Update (read and write)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
586 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
587 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
588 * 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
589 * A = open directory 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 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
592 * B = errcode
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
593 *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
594 *
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
595 * we keep track a cwd and a cxd for a process using 8bit id
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
596 * don't use path descriptor on y
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
597 */
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
598 case 0xd4: {
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
599 PathDesc dm = *pd;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
600 path = (char*)pmem(xreg);
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
601 next = checkFileName(path,&dm,curdir);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
602 if (next!=0) {
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
603 struct stat buf;
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
604 if (stat(dm.name,&buf)!=0) break;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
605 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
606 xreg += ( next - path );
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
607 *areg = setcd(dm.name);
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
608 *smem(u+1) = *areg ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
609 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
610 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
611 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
612 *breg = 0xff;
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
613 }
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
614 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
615
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
616 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
617 * I$Delete Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
618 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
619 * Entry:
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 * Exit:
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
624 * B = errcode
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 case 0xd5: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
627 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
628 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
629 struct stat st;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
630 path = (char*)pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
631 next = checkFileName(path,pd,curdir);
47
15f1e1b49928 open dir worked ?
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
632 pd->use = 0;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
633 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
634 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
635 xreg += ( next - path );
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
636 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
637 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
638 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
639 break;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
640
44
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 * I$Seek Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
643 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
644 * Entry Conditions
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
645 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
646 * 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
647 * 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
648 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
649 * Exit:
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
652 * B = errcode
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 case 0xd6: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
655 *breg = 0xff;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
656 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
657 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
658 *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
659 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
660 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
661 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
662 * I$ReadLn Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
663 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
664 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
665 * Entry Conditions in correct mmu map
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
666 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
667 * 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
668 * 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
669 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
670 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
671 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
672 * Y number of bytes read
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
675 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
676 *
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 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
679 case 0xd7:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
680 *breg = 0xff;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
681 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
682 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
683 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
684 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
685 *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
686 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
687 }
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
688 int i;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
689 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
690 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
691 buf[i-1] = '\r';
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
692 yreg = i;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
693 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
694 // set y
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
695 setword(smem(u+6),yreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
696 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
697 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
698 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
699
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 * I$Read Entry Point
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 * Entry:
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 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
706 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
707 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
708 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
709 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
710 case 0xd8:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
711 *breg = 0xff;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
712 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
713 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
714 // set y
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
715 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
716 *breg = (i==0?0xd3:0) ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
717 break;
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 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
720 * I$WritLn Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
721 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
722 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
723 * A path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
724 * 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
725 * 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
726
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
727 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
728 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
729 * Y number of bytes written
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
730 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
731 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
732 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
733 */
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
734 case 0xd9: {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
735 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
736 if (pd->dir) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
737 int len = yreg;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
738 int i = 0;
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
739 Byte *buf = pmem(xreg);
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
740 while(len>0 && buf[i] !='\r') {
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
741 fputc(buf[i++],pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
742 len--;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
743 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
744 if (buf[i]=='\r') {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
745 fputc('\n',pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
746 i++;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
747 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
748 *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
749 // set y
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
750 setword(smem(u+6),i);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
751 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
752 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
753
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
754 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
755 * I$Write Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
756 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
757 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
758 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
759 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
760 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
761 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
762 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
763 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
764 case 0xda :
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
765 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
766 if (!pd->dir) {
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
767 Byte *buf = pmem(xreg);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
768 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
769 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
770 *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
771 // set y
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
772 setword(smem(u+6),err);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
773 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
774 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
775
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
776 /* I$Close Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
777 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
778 * Entry: A = path number
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
779 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
780 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
781 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
782 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
783 * B = errcode
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 case 0xdb:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
787 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
788 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
789 closepd(pd);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
790 *breg = 0;
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
791 break;
44
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 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
794 * I$GetStat Entry Point
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 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
797 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
798 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
799 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
800 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
801 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
802 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
803 case 0xdc: {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
804 struct stat st;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
805 off_t pos;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
806 switch (*breg) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
807 case 01: // SS.Ready
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
808 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
809 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
810 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
811 if ((pos = ftell(pd->fp))) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
812 xreg = st.st_size - pos;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
813 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
814 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
815 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
816 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
817 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
818 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
819 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
820 xreg = st.st_size ;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
821 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
822 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
823 case 05: // SS.Pos
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
824 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
825 if (pd==0) break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
826 xreg = ftell(pd->fp);
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
827 *breg = 0;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
828 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
829 case 15: // SS.FD
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
830 /* SS.FD ($0F) - Returns a file descriptor
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
831 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
832 * R$B=SS.FD ($0F)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
833 * R$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
834 * R$Y=# bytes of FD required
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
835 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
836 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
837 if (pd==0) break;
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
838 *breg = filedescriptor(pmem(xreg), yreg,(Byte*)pd->name,curdir) ;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
839 break;
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
840 case 0x20: // Pos.FDInf mandatry for dir command (undocumented, use the source)
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
841 /* SS.FDInf ($20) - Directly reads a file descriptor from anywhere
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
842 * on drive.
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
843 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
844 * R$B=SS.FDInf ($20)
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
845 * R$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
846 * R$Y= MSB - Length of read
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
847 * LSB - MSB of logical sector #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
848 * R$U= LSW of logical sector #
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
849 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
850 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
851 if (pd==0) break;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
852 ureg = getword(smem(u+8));
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
853 *breg = fdinfo(pmem(xreg),(yreg&0xff),((yreg&0xff00)>>8)*0x10000+ureg,pd,curdir);
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
854 break;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
855 default:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
856 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
857 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
858 break;
44
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
859 }
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
860
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
861 /*
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
862 * I$SetStat Entry Point
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
863 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
864 * Entry:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
865 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
866 * Exit:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
867 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
868 *
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
869 * Error: CC Carry set
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
870 * B = errcode
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
871 */
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
872 case 0xdd:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
873 switch (*breg) {
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
874 case 0: // SS.Opt
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
875 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
876 case 15: // SS.FD
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
877 case 0x11: // SS.Lock
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
878 case 0x10: // SS.Ticks
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
879 case 0x20: // SS.RsBit
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
880 case 0x1c: // SS.Attr
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
881 default:
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
882 *breg = 0xff;
b26c23331d02 add more function on vdisk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
883 }
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
884 break;
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
885 }
52
51b437557f42 boot without disk image
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
886 if (vdiskdebug && *breg) printf(" vdisk call error %x\n",*breg);
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
887 // return value
56
4fa2bdb0c457 level vrbf and clock
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 52
diff changeset
888 mem[0x40+IOPAGE] = *breg;
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
889 *smem(u+2) = *breg ;
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
890 setword(smem(u+4),xreg);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
891 }
46
ec9f494497e1 vdisk fix
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
892
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
893 static void
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
894 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
895 char *cd = cdt[curdir]?cdt[curdir]:"(null)";
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
896 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
897 Byte *frame = smem(u);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
898 sreg = u;
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
899 ccreg = frame[0];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
900 *areg = frame[1];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
901 *breg = frame[2];
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
902 xreg = getword(frame+4);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
903 yreg = getword(frame+6);
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
904 ureg = getword(frame+8);
59
7c6dc25c2b05 add comment
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 57
diff changeset
905 pcreg = getword(frame+10)-3; // point os9 swi2
50
1430678cd4fb use process structure's mmu
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
906 prog = (char*)(pmem(pcreg) - pcreg);
61
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
907 if (*pmem(pcreg)==0 && *pmem(pcreg+1)==0) {
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
908 // may be we are called from system state
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
909 // of coursel, this may wrong. but in system state, <$50 process has wrong DAT for pc
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
910 // and we can't know wether we are called from system or user
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
911 prog = (char*)(smem(pcreg) - pcreg);
80f4ec9a3420 fix writeln
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 59
diff changeset
912 }
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
913 do_trace(fp);
43
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
914 }
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
915
7a83a6a1685a vdisk start
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents:
diff changeset
916
49
947cbecdd8d5 read and dir worked.
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
917 /* end */