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

annotate vdisk.c @ 45:07c84761da6f

dd vrbf asm code

author	Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date	Thu, 19 Jul 2018 16:21:47 +0900
parents	b26c23331d02
children	ec9f494497e1

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>
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	17
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	18
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	19 #ifdef USE_MMU
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	20 extern char *prog ; // for disass
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	21 extern Byte * mem0(Byte iphymem, Word adr, Byte immu) ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	22 #define pmem(a) mem0(phymem,a,mmu)
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	23 #define umem(a) (mem[0x42+IOPAGE]?mem0(phymem,a,&mem[0x21+IOPAGE]):mem0(phymem,a,&mem[0x20+IOPAGE]))
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	24 #else
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	25 #define pmem(a) (&mem[a])
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	26 #define umem(a) (&mem[a])
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	27 #endif
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	28
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	29 #define MAXPDV 256
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	30
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	31
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	32 typedef struct pathDesc {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	33 char *name;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	34 FILE *fp;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	35 int mode;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	36 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	37 int num ;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	38 int sz ; // used only for directory
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	39 char drv ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	40 char use ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	41 char dir;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	42 char *fd ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	43 char *dirfp;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	44 } PathDesc, *PathDescPtr;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	45
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	46 #define MAXVDRV 4
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	47
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	48 char drvRoot[] = { '.','.','.','.'};
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	49 PathDesc pdv[MAXPDV];
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	50
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	51 int setVdisk(int drv,char *name) {
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	52 if (drv<0 \|\| drv>=MAXVDRV) return -1;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	53 drvRoot[drv] = name;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	54 return 0;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	55 }
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	56
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	57 PathDesc *findPD() {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	58 for(int i=0;i<MAXPDV;i++) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	59 if (!pdv[i].use) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	60 pdv[i].use = 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	61 pdv[i].num = i;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	62 pdv[i].mode = 0;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	63 pdv[i].fp = 0;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	64 pdv[i].dirfp = 0;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	65 pdv[i].name = 0;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	66 pdv[i].fd = 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	67 return &pdv[i];
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	68 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	69 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	70 return 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	71 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	72
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	73 void closepd(PathDesc *pd) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	74 int err = fclose(pd->fp) ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	75 pd->use = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	76 pd->fp = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	77 pd->mode = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	78 free(pd->dirfp); pd->dirfp = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	79 free(pd->name); pd->name = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	80 free(pd->fd); pd->fd = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	81 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	82
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	83 #define MAXPAHTLEN 256
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	84
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	85 char addCurdir(char name, PathDesc pd, PathDesc curdir) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	86 int ns = strlen(name);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	87 int ps = ns;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	88 if (curdir==0 && name[0]!='/') return 0; // no current directory
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	89 char *base ;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	90 if (name[0]!='/') { base = curdir->name; ps += strlen(curdir->name)+1; }
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	91 else { base = drvRoot[pd->drv]; ps += strlen(drvRoot[pd->drv])+1; }
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	92 char path = (char)malloc(ps+1);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	93 int i = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	94 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	95 path[i++] = '/';
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	96 for(int j=0;j<ns;j++,i++) path[i] = name[j];
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	97 path[i++] = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	98 return path;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	99 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	100
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	101 char * checkFileName(char path, PathDesc pd, PathDesc *curdir) {
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	102 char *p = path;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	103 char *name = path;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	104 int maxlen = MAXPAHTLEN;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	105 while(p!=0 && (p&80)==0 && maxlen-->0) p++;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	106 if (maxlen==MAXPAHTLEN) return 0;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	107 if (*p!=0) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	108 name = (char *)malloc(p-path+1);
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	109 strncpy(path,p, MAXPAHTLEN-maxlen);
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	110 }
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	111 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	112 if (name1!=name && name1!=path) free(name);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	113 pd->name = name1;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	114 return p;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	115 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	116
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	117 void os9setmode(char *os9mode,int mode) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	118 char m = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	119 if (mode&S_IFDIR) m\|=0x80;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	120 if (mode&S_IRUSR) m\|=0x01;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	121 if (mode&S_IWUSR) m\|=0x02;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	122 if (mode&S_IXUSR) m\|=0x04;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	123 if (mode&S_IROTH) m\|=0x08;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	124 if (mode&S_IWOTH) m\|=0x10;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	125 if (mode&S_IXOTH) m\|=0x20;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	126 m\|=0x60; // always sharable
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	127 *os9mode = m;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	128 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	129
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	130 char * os9toUnixAttr(Byte attr) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	131 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	132 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	133 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	134 return "r";
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	135 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	136
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	137 /*
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	138 * os9 file descriptor
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	139 * * File Descriptor Format
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	140 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	141 * 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	142 * 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	143 * and segment information on a file.
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	144 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	145 * ORG 0
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	146 *FD.ATT RMB 1 Attributes
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	147 *FD.OWN RMB 2 Owner
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	148 *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	149 *FD.LNK RMB 1 Link count
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	150 *FD.SIZ RMB 4 File size
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	151 *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	152 *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	153 * Segment List Entry Format
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	154 ORG 0
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	155 * 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	156 * FDSL.B RMB 2 Segment size
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	157 * 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	158 * 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	159 * 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	160 * MINSEC SET 16
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	161 */
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	162
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	163 #define FD_ATT 0
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	164 #define FD_OWN 1
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	165 #define FD_DAT 3
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	166 #define FD_LNK 8
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	167 #define FD_SIZ 9
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	168 #define FD_Creat 13
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	169 #define FD_SEG 16
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	170
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	171
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	172 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	173 * os9 directory structure
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	174 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	175 * ORG 0
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	176 *DIR.NM RMB 29 File name
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	177 *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	178 *DIR.SZ EQU . Directory record size
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	179 */
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	180 #define DIR_SZ 32
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	181 #define DIR_NM 29
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	182
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	183
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	184 /* read direcotry entry */
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	185 int os9opendir(PathDesc *pd) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	186 DIR *dir;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	187 struct dirent *dp;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	188 dir = opendir(pd->name);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	189 int dircount = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	190 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	191 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	192 pd->sz = dircount*DIR_SZ;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	193 pd->dirfp = (char )malloc(dircountDIR_SZ);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	194 rewinddir(dir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	195 int i = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	196 while ((dp = readdir(dir)) != NULL) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	197 i += DIR_SZ;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	198 if (i>pd->sz) return 0;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	199 int j = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	200 for(j = 0; j < DIR_NM ; j++) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	201 if (j< dp->d_namlen)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	202 pd->dirfp[j] = dp->d_name[j];
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	203 else
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	204 pd->dirfp[j] = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	205 }
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	206 pd->dirfp[j] = (dp->d_ino&0xff0000)>>16;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	207 pd->dirfp[j+1] = (dp->d_ino&0xff00)>>8;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	208 pd->dirfp[j+2] = dp->d_ino&0xff;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	209 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	210 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	211 return 0;
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
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	214 void os9setdate(char d,struct timespec unixtime) {
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	215 // yymmddhhss
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	216 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	217
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	218 /* read file descriptor of Path Desc
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	219 * create file descriptor sector if necessary
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	220 * if buf!=0, copy it
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	221 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	222 int filedescriptor(Byte buf, int len, PathDesc pd) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	223 struct stat st;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	224 if (pd->fd) return 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	225 pd->fd = (char *)malloc(256);
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	226 stat(pd->name,&st);
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	227 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	228 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	229 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	230 os9setdate(pd->fd + FD_DAT,&st.st_mtimespec);
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	231 pd->fd[FD_LNK+0]=(st.st_uid&0xff000000)>>24;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	232 pd->fd[FD_LNK+1]=(st.st_uid&0xff0000)>>16;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	233 pd->fd[FD_LNK+2]=(st.st_uid&0xff00)>>8;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	234 pd->fd[FD_LNK+3]=st.st_nlink&0xff;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	235 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	236 // dummy segment list
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	237 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	238 return 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	239 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	240
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	241 /* 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	242 * 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	243 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	244 * 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	245 * 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	246 */
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	247 int 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	248 int i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	249 for(i=0;i<MAXPDV;i++) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	250 PathDesc *pd = pdv+i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	251 if (!pd->use \|\| !pd->dir) continue;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	252 // find inode in directory
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	253 char dir = (char )pd->dirfp;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	254 while( dir < dir + pd->sz ) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	255 Byte p = (Byte )(dir + DIR_NM);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	256 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	257 if (inode == dinode) {
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	258 filedescriptor(buf,len,pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	259 return 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	260 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	261 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	262 }
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	263 return 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	264 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	265
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	266 /*
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	267 * 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	268 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	269 * name or buffer, can be in a user map, pmem check that drive number ( mem[0x41+IOPAGE] 0 sys 1 user )
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	270 * 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	271 * yreg has pd number
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	272 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	273 void do_vdisk(Byte cmd) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	274 int err;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	275 PathDesc *pd = pdv + yreg;
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	276 PathDesc *curdir = pdv+mem[0x43+IOPAGE];
07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	277 pd->drv = mem[0x41+IOPAGE];
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	278 Byte mode,attr ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	279 char path,next,*buf;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	280
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	281 switch(cmd) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	282 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	283 * I$Create Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	284 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	285 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	286 * B = file attributes
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	287 * X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	288 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	289 * Exit: A = pathnum
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	290 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	291 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	292 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	293 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	294 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	295 case 0xd1:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	296 pd = findPD();
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	297 if (pd==0) { *breg = 0xff; break; }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	298 mode = *areg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	299 attr = *breg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	300 path = (char *)pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	301 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	302 pd->dir = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	303 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	304 if (next!=0 && pd->fp ) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	305 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	306 pd->use = 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	307 } else {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	308 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	309 free(pd->name);
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	310 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	311 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	312
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	313 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	314 * I$Open Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	315 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	316 * Entry: A = access mode desired
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	317 * X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	318 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	319 * Exit: A = pathnum
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	320 * X = last byte of pathlist address
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	321 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	322 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	323 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	324 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	325 case 0xd2:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	326 pd = findPD();
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	327 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	328 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	329 mode = *areg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	330 attr = *breg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	331 pd->fp = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	332 path = (char*)pmem(xreg);
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	333 next = checkFileName(path,pd,curdir);
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	334 if (next!=0) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	335 struct stat buf;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	336 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	337 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	338 pd->dir = 1;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	339 os9opendir(pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	340 } else {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	341 pd->dir = 0;
45 07c84761da6f dd vrbf asm code Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 44 diff changeset	342 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	343 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	344 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	345 if (next!=0 && pd->fp !=0) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	346 *areg = pd->num;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	347 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	348 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	349 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	350
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	351 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	352 * I$MakDir Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	353 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	354 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	355 * B = directory attributes
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	356 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	357 * 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	358 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	359 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	360 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	361 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	362
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	363 case 0xd3:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	364 pd = findPD();
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	365 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	366 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	367 path = (char*)pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	368 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	369 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	370 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	371 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	372 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	373 closepd(pd);
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	374 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	375
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	376 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	377 * I$ChgDir Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	378 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	379 * data dir P$DIO 3-5 contains open dir Path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	380 * exec dir P$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	381 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	382 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	383 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	384 * *areg = access mode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	385 * 0 = Use any special device capabilities
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	386 * 1 = Read only
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	387 * 2 = Write only
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	388 * 3 = Update (read and write)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	389 * Entry: X = address of the pathlist
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	390 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	391 * 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	392 * A = open directory Path Number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	393 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	394 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	395 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	396 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	397 case 0xd4:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	398 pd = findPD();
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	399 if (pd==0) { *breg = 0xff; break; }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	400 path = (char*)pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	401 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	402 if (next!=0 && os9opendir(pd)) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	403 if (curdir!=pd) closepd(curdir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	404 if (pd->name != path) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	405 free(path);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	406 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	407 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	408 *areg = pd->num;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	409 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	410 break;
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 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	413 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	414
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 * I$Delete Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	417 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	418 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	419 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	420 * Exit:
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	423 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	424 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	425 case 0xd5: {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	426 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	427 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	428 struct stat st;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	429 path = (char*)pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	430 next = checkFileName(path,pd,curdir);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	431 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	432 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	433 xreg += ( next - path );
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	434 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	435 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	436 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	437 break;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	438
44 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$Seek 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 Conditions
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	443 * A path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	444 * X MS 16 bits of the desired file position
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	445 * Y LS 16 bits of the desired file position
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	446 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	447 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	448 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	449 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	450 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	451 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	452 case 0xd6: {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	453 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	454 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	455 off_t seek = (xreg<<16)+yreg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	456 *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	457 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	458 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	459 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	460 * I$ReadLn Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	461 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	462 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	463 * Entry Conditions in correct mmu map
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	464 * A path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	465 * 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	466 * 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	467 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	468 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	469 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	470 * Y number of bytes read
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	471 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	472 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	473 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	474 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	475 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	476 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	477 case 0xd7:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	478 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	479 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	480 if (pd->dir) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	481 buf = (char*)pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	482 if (fgets(buf,yreg,pd->fp)) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	483 int len = yreg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	484 int i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	485 for(i=0;i<len && buf[i];i++);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	486 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	487 buf[i-1] = '\r';
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	488 yreg = i;
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 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	491 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	492 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	493
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	494 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	495 * I$Read Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	496 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	497 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	498 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	499 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	500 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	501 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	502 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	503 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	504 case 0xd8:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	505 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	506 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	507 buf = (char*)pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	508 err = fread(buf,yreg,1,pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	509 *breg = err==0?0xff:0 ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	510 yreg = err ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	511 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	512
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	513 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	514 * I$WritLn Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	515 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	516 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	517 * A path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	518 * 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	519 * 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	520
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	521 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	522 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	523 * Y number of bytes written
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	524 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	525 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	526 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	527 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	528 case 0xd9:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	529 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	530 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	531 if (pd->dir) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	532 int len = yreg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	533 int i = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	534 Byte *buf = pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	535 while(len>0 && *buf !='\r') {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	536 fputc(buf[i++],pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	537 len--;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	538 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	539 if (buf[i]=='\r') {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	540 fputc('\n',pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	541 i++;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	542 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	543 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	544 yreg = i;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	545 break;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	546
44 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$Write 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 0xda :
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->dir) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	560 Byte *buf = pmem(xreg);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	561 int len = yreg;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	562 int err = fwrite(buf,len,1,pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	563 *breg = err?0xff:0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	564 yreg = err;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	565 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	566 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	567
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	568 /* I$Close Entry Point
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 * Entry: A = path number
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	571 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	572 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	573 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	574 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	575 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	576 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	577 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	578 case 0xdb:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	579 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	580 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	581 closepd(pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	582 *breg = 0;
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	583 break;
44 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 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	586 * I$GetStat Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	587 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	588 * Entry:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	589 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	590 * Exit:
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 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	593 * B = errcode
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 case 0xdc: {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	596 struct stat st;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	597 off_t pos;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	598 switch (*breg) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	599 case 01: // SS.Ready
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	600 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	601 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	602 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	603 if ((pos = ftell(pd->fp))) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	604 xreg = st.st_size - pos;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	605 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	606 }
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	607 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	608 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	609 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	610 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	611 fstat(fileno(pd->fp),&st);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	612 xreg = st.st_size ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	613 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	614 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	615 case 05: // SS.Pos
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	616 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	617 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	618 xreg = ftell(pd->fp);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	619 *breg = 0;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	620 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	621 case 15: // SS.FD
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	622 /* SS.FD ($0F) - Returns a file descriptor
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	623 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	624 * R$B=SS.FD ($0F)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	625 * R$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	626 * R$Y=# bytes of FD required
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	627 * this should be handled in vrbf
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 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	630 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	631 *breg = filedescriptor(pmem(xreg), yreg,pd) ;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	632 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	633 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	634 /* SS.FDInf ($20) - Directly reads a file descriptor from anywhere
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	635 * on drive.
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	636 * Entry: R$A=Path #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	637 * R$B=SS.FDInf ($20)
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	638 * R$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	639 * R$Y= MSB - Length of read
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	640 * LSB - MSB of logical sector #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	641 * R$U= LSW of logical sector #
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	642 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	643 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	644 if (pd==0) break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	645 breg = fdinfo(pmem(xreg),yreg,xreg0x10000+ureg,pd);
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	646 break;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	647 default:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	648 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	649 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	650 break;
44 b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	651 }
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 /*
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	654 * I$SetStat Entry Point
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	655 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	656 * Entry:
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 * Exit:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	659 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	660 *
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	661 * Error: CC Carry set
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	662 * B = errcode
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	663 */
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	664 case 0xdd:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	665 switch (*breg) {
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	666 case 0: // SS.Opt
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	667 case 02: // SS.SIZ
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	668 case 15: // SS.FD
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	669 case 0x11: // SS.Lock
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	670 case 0x10: // SS.Ticks
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	671 case 0x20: // SS.RsBit
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	672 case 0x1c: // SS.Attr
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	673 default:
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	674 *breg = 0xff;
b26c23331d02 add more function on vdisk Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: 43 diff changeset	675 }
43 7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	676 break;
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	677 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	678 }
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	679
7a83a6a1685a vdisk start Shinji KONO <kono@ie.u-ryukyu.ac.jp> parents: diff changeset	680

Mercurial > hg > Members > kono > os9 > sbc09

annotate vdisk.c @ 45:07c84761da6f