Members/kono/os9/sbc09: vdisk.c annotate

annotate vdisk.c @ 51:498b6fcaf270

vdisk worked

author	Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date	Sun, 22 Jul 2018 05:48:04 +0900
parents	1430678cd4fb
children	51b437557f42

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>
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	19
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	20 static int vdiskdebug = 0; // 1 trace, 2 filename
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	21
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	22
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	23 Byte pmmu[8]; // process dat mmu
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	24
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	25 extern char *prog ; // for disass
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	26 #ifdef USE_MMU
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	27 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	28 // 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	29 // pmem physical address using caller's mmu
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	30 #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	31 #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	32 #else
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	33 #define smem(a) (&mem[a])
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	34 #define pmem(a) (&mem[a])
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	35 #endif
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	36
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	37 #define MAXPDV 256
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	38
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	39
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	40 typedef struct pathDesc {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	41 char *name;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	42 FILE *fp;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	43 int mode;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	44 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	45 int num ;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	46 int sz ; // used only for directory
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	47 char drv ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	48 char use ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	49 char dir;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	50 char *fd ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	51 char *dirfp;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	52 } PathDesc, *PathDescPtr;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	53
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	54 static void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	55 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	56
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	57 #define MAXVDRV 4
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 char *drvRoot[] = { ".",".",".","."};
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	60 static PathDesc pdv[MAXPDV];
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	61
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	62 /*
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	63 * us 0 system
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	64 * 1 caller
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	65 */
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	66 static inline Word
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	67 getword(Byte *adr) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	68 Word padr = (Word)adr;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	69 return ntohs(*padr);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	70 }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	71
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	72 static inline void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	73 setword(Byte *adr,Word value) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	74 Word padr = (Word)adr;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	75 *padr = htons(value);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	76 }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	77
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	78 static int
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	79 setVdisk(int drv,char *name) {
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	80 if (drv<0 \|\| drv>=MAXVDRV) return -1;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	81 drvRoot[drv] = name;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	82 return 0;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	83 }
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	84
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	85 static void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	86 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	87 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	88 pd->dir = 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	89 pd->use = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	90 pd->fp = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	91 pd->mode = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	92 free(pd->dirfp); pd->dirfp = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	93 free(pd->name); pd->name = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	94 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	95
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	96 /*
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	97 * 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	98 * too easy approach
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	99 */
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	100 char *cdt[512];
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	101 static int cdtptr = 0;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	102
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	103 Byte
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	104 setcd(char *name) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	105 int len;
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	106 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	107 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	108 }
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	109 cdtptr &= 0x1ff;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	110 if (cdt[cdtptr]) free(cdt[cdtptr]);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	111 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	112 strcpy(cdt[cdtptr],name);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	113 return cdtptr++;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	114 }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	115
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	116 #define MAXPAHTLEN 256
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	117
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	118 static void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	119 putOs9str(char *s) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	120 if (s==0) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	121 printf("(null)");
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	122 return;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	123 }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	124 while(s && s>=' ' && ((*s&0x80)==0)) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	125 putchar(*s); s++;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	126 }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	127 if (s&0x80) putchar(s&0x7f);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	128 }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	129
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	130 static void
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	131 err(int error) {
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	132 printf("err %d\n",error);
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	133 }
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	134
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	135 static char *
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	136 addCurdir(char name, PathDesc pd, int curdir) {
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	137 int ns =0 ;
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	138 char *n = name;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	139 if(vdiskdebug&0x2) { printf("addcur \""); putOs9str(name); printf("\" cur \""); putOs9str( cdt[curdir]); printf("\"\n"); }
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	140 if (name[0]=='/') {
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	141 name++; while(name !='/' && name!=0) name ++ ; // skip /d0
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	142 while(name[ns]!=0) ns++;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	143 } 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	144 else ns = strlen(name);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	145 int ps = ns;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	146 char *base ;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	147 if (name[0]=='/') {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	148 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	149 } 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	150 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	151 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	152 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	153 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	154 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	155 return path;
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	156 } else {
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	157 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	158 }
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	159 char path = (char)malloc(ps);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	160 int i = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	161 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	162 path[i++] = '/';
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	163 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	164 path[i] = 0;
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	165 if (i>ps)
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	166 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	167 return path;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	168 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	169
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	170 static char *
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	171 checkFileName(char path, PathDesc pd, int curdir) {
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	172 char *p = path;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	173 char *name = path;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	174 int maxlen = MAXPAHTLEN;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	175 if(vdiskdebug&2) { printf("checkf \""); putOs9str(name); printf("\"\n"); }
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	176 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	177 if (maxlen==MAXPAHTLEN) return 0;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	178 if (*p!=0) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	179 name = (char *)malloc(p-path+1);
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	180 int i;
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	181 for(i=0;i<p-path;i++) {
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	182 name[i] = path[i]&0x7f;
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	183 }
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	184 name[i] = 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	185 }
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	186 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	187 if (name1!=name && name1!=path) free(name);
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	188 if (name1==0) return 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	189 pd->name = name1;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	190 if(vdiskdebug&2) {
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	191 printf(" remain = \"");
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	192 char *p1 = p;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	193 while(p1 && (p1&0x80)==0 ) { if (p1<0x20) printf("(0x%02x)",p1); else putchar(*p1); p1++; }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	194 if (p1) { if ((p1&0x7f)<0x20) printf("(0x%02x)",p1); else putchar(p1&0x7f); }
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	195 printf("\" checkname result \""); putOs9str(pd->name); printf("\"\n");
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	196 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	197 return p;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	198 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	199
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	200 static void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	201 os9setmode(char *os9mode,int mode) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	202 char m = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	203 if (mode&S_IFDIR) m\|=0x80;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	204 if (mode&S_IRUSR) m\|=0x01;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	205 if (mode&S_IWUSR) m\|=0x02;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	206 if (mode&S_IXUSR) m\|=0x04;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	207 if (mode&S_IROTH) m\|=0x08;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	208 if (mode&S_IWOTH) m\|=0x10;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	209 if (mode&S_IXOTH) m\|=0x20;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	210 m\|=0x60; // always sharable
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	211 *os9mode = m;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	212 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	213
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	214 static char *
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	215 os9toUnixAttr(Byte attr) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	216 if ((attr&0x1) && (attr&0x2)) return "r+";
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	217 if (!(attr&0x1) && (attr&0x2)) return "w";
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	218 if ((attr&0x1) && !(attr&0x2)) return "r";
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	219 return "r";
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	220 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	221
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	222 /*
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	223 * os9 file descriptor
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	224 * * File Descriptor Format
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	225 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	226 * 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	227 * 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	228 * and segment information on a file.
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	229 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	230 * ORG 0
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	231 *FD.ATT RMB 1 Attributes
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	232 *FD.OWN RMB 2 Owner
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	233 *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	234 *FD.LNK RMB 1 Link count
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	235 *FD.SIZ RMB 4 File size
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	236 *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	237 *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	238 * Segment List Entry Format
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	239 ORG 0
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	240 * 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	241 * FDSL.B RMB 2 Segment size
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	242 * 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	243 * 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	244 * 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	245 * MINSEC SET 16
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	246 */
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	247
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	248 #define FD_ATT 0
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	249 #define FD_OWN 1
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	250 #define FD_DAT 3
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	251 #define FD_LNK 8
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	252 #define FD_SIZ 9
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	253 #define FD_Creat 13
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	254 #define FD_SEG 16
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	255
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	256
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	257 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	258 * os9 directory structure
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	259 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	260 * ORG 0
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	261 *DIR.NM RMB 29 File name
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	262 *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	263 *DIR.SZ EQU . Directory record size
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	264 */
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	265 #define DIR_SZ 32
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	266 #define DIR_NM 29
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	267
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	268
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	269 /* read direcotry entry */
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	270 static int
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	271 os9opendir(PathDesc *pd) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	272 DIR *dir;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	273 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	274 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	275 dir = opendir(pd->name);
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	276 if (dir==0) return -1;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	277 int dircount = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	278 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	279 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	280 pd->sz = dircount*DIR_SZ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	281 pd->dirfp = (char )malloc(dircountDIR_SZ);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	282 rewinddir(dir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	283 int i = 0;
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	284 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	285 int j = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	286 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	287 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	288 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	289 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	290 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	291 } else
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	292 pd->dirfp[i+j] = 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	293 }
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	294 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	295 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	296 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	297 i += DIR_SZ;
51 498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	298 if (i>pd->sz)
498b6fcaf270 vdisk worked Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 50 diff changeset	299 return 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	300 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	301 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	302 return 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	303 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	304
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	305 static void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	306 os9setdate(char d,struct timespec unixtime) {
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	307 // yymmddhhss
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	308 struct tm r;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	309 localtime_r(&unixtime->tv_sec,&r);
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	310 d[0] = r.tm_year-2000;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	311 d[1] = r.tm_mon;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	312 d[2] = r.tm_mday;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	313 d[3] = r.tm_hour;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	314 d[4] = r.tm_min;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	315 d[5] = r.tm_sec;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	316 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	317
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	318 /* read file descriptor of Path Desc
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	319 * create file descriptor sector if necessary
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	320 * if buf!=0, copy it
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	321 */
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	322 static int
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	323 filedescriptor(Byte buf, int len, PathDesc pd) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	324 struct stat st;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	325 if (pd->fd) return 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	326 pd->fd = (char *)malloc(256);
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	327 stat(pd->name,&st);
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	328 os9setmode(pd->fd+FD_ATT,st.st_mode);
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	329 pd->fd[FD_OWN]=(st.st_uid&0xff00)>>8;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	330 pd->fd[FD_OWN+1]=st.st_uid&0xff;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	331 os9setdate(pd->fd + FD_DAT,&st.st_mtimespec);
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	332 pd->fd[FD_LNK]=st.st_nlink&0xff;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	333 pd->fd[FD_SIZ+0]=(st.st_size&0xff000000)>>24;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	334 pd->fd[FD_SIZ+1]=(st.st_size&0xff0000)>>16;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	335 pd->fd[FD_SIZ+2]=(st.st_size&0xff00)>>8;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	336 pd->fd[FD_SIZ+3]=st.st_size&0xff;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	337 os9setdate(pd->fd+FD_Creat,&st.st_ctimespec);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	338 // dummy segment list
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	339 for(int i=FD_SEG ; i < 256; i++) pd->fd[i] = 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	340 return 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	341 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	342
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	343 /* read direcotry entry for any file in the directory
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	344 * 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	345 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	346 * 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	347 * 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	348 */
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	349 static int
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	350 fdinfo(Byte buf,int len, int inode, PathDesc pd) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	351 int i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	352 for(i=0;i<MAXPDV;i++) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	353 PathDesc *pd = pdv+i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	354 if (!pd->use \|\| !pd->dir) continue;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	355 // find inode in directory
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	356 char dir = (char )pd->dirfp;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	357 char end = (char )pd->dirfp + pd->sz;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	358 while( dir < end ) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	359 Byte p = (Byte )(dir + DIR_NM);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	360 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	361 if (inode == dinode) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	362 filedescriptor(buf,len,pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	363 return 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	364 }
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	365 dir += 0x20;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	366 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	367 }
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	368 return 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	369 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	370
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	371 void
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	372 getDAT() {
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	373 Word ps = getword(smem(0x50)); // process structure
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	374 Byte *dat = smem(ps+0x40); // process dat (dynamic address translation)
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	375 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	376 pmmu[i] = dat[i*2+1];
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	377 }
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	378 }
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	379
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	380 /*
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	381 * 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	382 *
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	383 * 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	384 * 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	385 * yreg has pd number
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	386 */
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	387 void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	388 do_vdisk(Byte cmd) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	389 int err;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	390 int curdir = mem[0x44+IOPAGE]; // garbage until set
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	391 Byte attr ;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	392 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	393 Byte *frame = smem(u);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	394 xreg = getword(frame+4);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	395 yreg = getword(frame+6);
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	396 areg = smem(u+1);
ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	397 breg = smem(u+2);
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	398 Byte mode = 0;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	399 Byte *os9pd = smem(getword(&mem[0x47+IOPAGE]));
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	400 PathDesc pd = pdv+os9pd;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	401
1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	402 getDAT();
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	403 pd->num = *os9pd;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	404 pd->drv = mem[0x41+IOPAGE];
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	405 char path,next,*buf;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	406 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	407
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	408 switch(cmd) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	409 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	410 * I$Create Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	411 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	412 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	413 * B = file attributes
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	414 * X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	415 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	416 * Exit: A = pathnum
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	417 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	418 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	419 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	420 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	421 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	422 case 0xd1:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	423 mode = *areg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	424 attr = *breg;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	425 path = (char *)pmem(xreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	426 next = pd->name = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	427 pd->dir = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	428 pd->fp = fopen(pd->name, os9toUnixAttr(attr));
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	429 if (next!=0 && pd->fp ) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	430 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	431 pd->use = 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	432 } else {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	433 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	434 free(pd->name);
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	435 pd->use = 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	436 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	437 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	438
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	439 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	440 * I$Open Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	441 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	442 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	443 * X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	444 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	445 * Exit: A = pathnum
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	446 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	447 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	448 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	449 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	450 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	451 case 0xd2:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	452 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	453 mode = *areg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	454 attr = *breg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	455 pd->fp = 0;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	456 path = (char*)pmem(xreg);
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	457 next = checkFileName(path,pd,curdir);
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	458 *breg = 0xff;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	459 if (next!=0) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	460 struct stat buf;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	461 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	462 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	463 pd->dir = 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	464 os9opendir(pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	465 } else {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	466 pd->dir = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	467 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	468 }
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	469 pd->use = 1;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	470 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	471 if (next!=0 && pd->fp !=0) {
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	472 *breg = 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	473 *areg = pd->num;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	474 smem(u+1) = areg ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	475 xreg += ( next - path );
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	476 pd->use = 1;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	477 } else {
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	478 pd->use = 0;
15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	479 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	480 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	481
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	482 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	483 * I$MakDir Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	484 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	485 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	486 * B = directory attributes
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	487 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	488 * 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	489 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	490 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	491 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	492 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	493
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	494 case 0xd3:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	495 *breg = 0xff;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	496 path = (char*)pmem(xreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	497 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	498 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	499 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	500 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	501 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	502 closepd(pd);
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	503 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	504
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	505 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	506 * I$ChgDir Entry Point
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 * data dir P$DIO 3-5 contains open dir Path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	509 * exec dir P$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	510 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	511 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	512 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	513 * *areg = access mode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	514 * 0 = Use any special device capabilities
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	515 * 1 = Read only
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	516 * 2 = Write only
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	517 * 3 = Update (read and write)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	518 * Entry: X = address of the pathlist
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 * 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	521 * A = open directory Path Number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	522 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	523 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	524 * B = errcode
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	525 *
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	526 *
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	527 * we keep track a cwd and a cxd for a process using 8bit id
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	528 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	529 case 0xd4:
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	530 path = (char*)pmem(xreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	531 next = checkFileName(path,pd,curdir);
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	532 if (next!=0) {
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	533 struct stat buf;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	534 if (stat(pd->name,&buf)!=0) break;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	535 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	536 xreg += ( next - path );
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	537 *areg = setcd(pd->name);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	538 smem(u+1) = areg ;
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	539 pd->use = 1;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	540 pd->dir = 1;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	541 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	542 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	543 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	544 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	545 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	546
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	547 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	548 * I$Delete Entry Point
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 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	551 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	552 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	553 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	554 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	555 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	556 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	557 case 0xd5: {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	558 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	559 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	560 struct stat st;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	561 path = (char*)pmem(xreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	562 next = checkFileName(path,pd,curdir);
47 15f1e1b49928 open dir worked ? Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 46 diff changeset	563 pd->use = 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	564 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	565 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	566 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	567 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	568 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	569 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	570 break;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	571
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 * I$Seek Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	574 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	575 * Entry Conditions
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	576 * A path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	577 * 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	578 * 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	579 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	580 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	581 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	582 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	583 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	584 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	585 case 0xd6: {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	586 *breg = 0xff;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	587 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	588 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	589 *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	590 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	591 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	592 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	593 * I$ReadLn Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	594 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	595 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	596 * Entry Conditions in correct mmu map
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	597 * A path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	598 * 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	599 * 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	600 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	601 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	602 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	603 * Y number of bytes read
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	604 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	605 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	606 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	607 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	608 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	609 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	610 case 0xd7:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	611 *breg = 0xff;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	612 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	613 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	614 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	615 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	616 *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	617 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	618 }
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	619 int i;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	620 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	621 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	622 buf[i-1] = '\r';
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	623 yreg = i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	624 }
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	625 // set y
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	626 setword(smem(u+6),yreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	627 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	628 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	629 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	630
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	631 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	632 * I$Read Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	633 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	634 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	635 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	636 * Exit:
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	639 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	640 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	641 case 0xd8:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	642 *breg = 0xff;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	643 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	644 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	645 // set y
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	646 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	647 *breg = (i==0?0xd3:0) ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	648 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	649
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	650 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	651 * I$WritLn Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	652 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	653 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	654 * A path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	655 * 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	656 * 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	657
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	658 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	659 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	660 * Y number of bytes written
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	663 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	664 */
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	665 case 0xd9: {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	666 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	667 if (pd->dir) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	668 int len = yreg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	669 int i = 0;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	670 Byte *buf = pmem(xreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	671 while(len>0 && *buf !='\r') {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	672 fputc(buf[i++],pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	673 len--;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	674 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	675 if (buf[i]=='\r') {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	676 fputc('\n',pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	677 i++;
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 *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	680 // set y
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	681 setword(smem(u+6),i);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	682 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	683 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	684
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	685 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	686 * I$Write Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	687 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	688 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	689 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	690 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	691 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	692 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	693 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	694 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	695 case 0xda :
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	696 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	697 if (!pd->dir) {
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	698 Byte *buf = pmem(xreg);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	699 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	700 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	701 *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	702 // set y
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	703 setword(smem(u+6),err);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	704 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	705 break;
44 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 /* I$Close Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	708 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	709 * Entry: A = path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	710 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	711 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	712 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	713 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	714 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	715 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	716 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	717 case 0xdb:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	718 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	719 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	720 closepd(pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	721 *breg = 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	722 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	723
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	724 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	725 * I$GetStat Entry Point
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 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	728 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	729 * Exit:
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 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	734 case 0xdc: {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	735 struct stat st;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	736 off_t pos;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	737 switch (*breg) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	738 case 01: // SS.Ready
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	739 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	740 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	741 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	742 if ((pos = ftell(pd->fp))) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	743 xreg = st.st_size - pos;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	744 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	745 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	746 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	747 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	748 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	749 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	750 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	751 xreg = st.st_size ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	752 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	753 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	754 case 05: // SS.Pos
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	755 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	756 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	757 xreg = ftell(pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	758 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	759 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	760 case 15: // SS.FD
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	761 /* SS.FD ($0F) - Returns a file descriptor
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	762 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	763 * R$B=SS.FD ($0F)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	764 * R$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	765 * R$Y=# bytes of FD required
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	766 * this should be handled in vrbf
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	767 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	768 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	769 if (pd==0) break;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	770 *breg = filedescriptor(pmem(xreg), yreg,pd) ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	771 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	772 case 0x20: // Pos.FDInf mandatry for dir command
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	773 /* SS.FDInf ($20) - Directly reads a file descriptor from anywhere
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	774 * on drive.
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	775 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	776 * R$B=SS.FDInf ($20)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	777 * R$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	778 * R$Y= MSB - Length of read
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	779 * LSB - MSB of logical sector #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	780 * R$U= LSW of logical sector #
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 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	783 if (pd==0) break;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	784 ureg = getword(smem(u+8));
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	785 breg = fdinfo(pmem(xreg),yreg,xreg0x10000+ureg,pd);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	786 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	787 default:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	788 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	789 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	790 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	791 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	792
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	793 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	794 * I$SetStat 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 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	801 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	802 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	803 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	804 case 0xdd:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	805 switch (*breg) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	806 case 0: // SS.Opt
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	807 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	808 case 15: // SS.FD
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	809 case 0x11: // SS.Lock
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	810 case 0x10: // SS.Ticks
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	811 case 0x20: // SS.RsBit
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	812 case 0x1c: // SS.Attr
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	813 default:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	814 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	815 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	816 break;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	817 }
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	818 // return value
ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	819 mem[0xffc0] = *breg;
ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	820 smem(u+2) = breg ;
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	821 setword(smem(u+4),xreg);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	822 }
46 ec9f494497e1 vdisk fix Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 45 diff changeset	823
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	824 static void
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	825 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	826 char *cd = cdt[curdir]?cdt[curdir]:"(null)";
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	827 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	828 Byte *frame = smem(u);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	829 sreg = u;
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	830 ccreg = frame[0];
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	831 *areg = frame[1];
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	832 *breg = frame[2];
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	833 xreg = getword(frame+4);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	834 yreg = getword(frame+6);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	835 ureg = getword(frame+8);
947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	836 pcreg = getword(frame+10)-3;
50 1430678cd4fb use process structure's mmu Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 49 diff changeset	837 prog = (char*)(pmem(pcreg) - pcreg);
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	838 do_trace(fp);
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	839 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	840
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	841
49 947cbecdd8d5 read and dir worked. Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 48 diff changeset	842 /* end */

Mercurial > hg > Members > kono > os9 > sbc09

annotate vdisk.c @ 51:498b6fcaf270