ISO文件系统成功
This commit is contained in:
xiaoyi1212
parent
79cef43d29
commit
02c5624824
@ -39,4 +39,5 @@
|
||||
### 贡献者们
|
||||
|
||||
* XIAOYI12 - xiaoyi1212 负责主要的OS开发
|
||||
* min0911Y - min0911 负责OS文件系统开发
|
||||
* QtLittleXu - XuYuxuan 负责OS文档编写
|
||||
|
||||
@ -39,4 +39,5 @@ Welcome to create pull requests or issues to this project. I am really happy to
|
||||
### Contributors
|
||||
|
||||
* XIAOYI12 - xiaoyi12 OS Development
|
||||
* min0911Y - min0911 OS FileSystem Development
|
||||
* QtLittleXu - XuYuxuan OS Document
|
||||
204
src/fs/iso9660.c
204
src/fs/iso9660.c
@ -38,8 +38,8 @@ static l9660_file *last_file;
|
||||
static char gbuf[2048];
|
||||
#endif
|
||||
|
||||
l9660_fs *fs;
|
||||
l9660_dir *root_dir;
|
||||
|
||||
#define get_now_dir(vfs) ((l9660_fs_status_t *)(vfs->cache))->now_dir
|
||||
|
||||
static char *strchrnul(const char *s, int c)
|
||||
{
|
||||
@ -341,8 +341,7 @@ bool ISO_Check(uint8_t disk_number)
|
||||
kfree(buffer);
|
||||
return true; // 是 ISO9660 文件系统
|
||||
}
|
||||
else
|
||||
{
|
||||
else{
|
||||
kfree(buffer);
|
||||
return false; // 不是 ISO9660 文件系统
|
||||
}
|
||||
@ -350,12 +349,16 @@ bool ISO_Check(uint8_t disk_number)
|
||||
|
||||
void ISO_InitFs(struct vfs_t *vfs, uint8_t disk_number)
|
||||
{
|
||||
fs = (l9660_fs *)kmalloc(sizeof(l9660_fs));
|
||||
vfs->cache = (void *)fs;
|
||||
l9660_fs_status_t *fs_m;
|
||||
fs_m = (l9660_fs_status_t*) kmalloc(sizeof(l9660_fs_status_t));
|
||||
|
||||
fs_m->fs = (l9660_fs *)kmalloc(sizeof(l9660_fs));
|
||||
vfs->cache = (void *)fs_m;
|
||||
printf("ISO Load init...");
|
||||
l9660_status a = l9660_openfs(fs,read_sector,disk_number);
|
||||
a = l9660_fs_open_root(root_dir, fs);
|
||||
printf("%d\n",a);
|
||||
l9660_openfs(fs_m->fs,read_sector,disk_number);
|
||||
l9660_fs_open_root(&fs_m->root_dir, fs_m->fs);
|
||||
fs_m->now_dir = fs_m->root_dir;
|
||||
logkf("%08x\n",vfs->cache);
|
||||
/*
|
||||
l9660_file file;
|
||||
for (;;) {
|
||||
@ -390,89 +393,125 @@ void ISO_InitFs(struct vfs_t *vfs, uint8_t disk_number)
|
||||
void ISO_CDFile(){}
|
||||
|
||||
vfs_file *ISO_GetFile(char* path1){
|
||||
l9660_dir bmpDict;
|
||||
char *path = (char *)kmalloc(strlen(path1) + 1);
|
||||
char *bmp = path;
|
||||
strcpy(path, path1);
|
||||
strtoupper(path);
|
||||
if (strncmp("/", path, 1) == 0) {
|
||||
path += 1;
|
||||
bmpDict = root_dir;
|
||||
}
|
||||
if (path[0] == '\\' || path[0] == '/') {
|
||||
// 跳过反斜杠和正斜杠
|
||||
for (int i = 0; i < strlen(path); i++) {
|
||||
if (path[i] != '\\' && path[i] != '/') {
|
||||
path += i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
char *temp_name = (char *)kmalloc(128);
|
||||
int i = 0;
|
||||
l9660_file *finfo;
|
||||
while (1) {
|
||||
int j;
|
||||
for (j = 0; i < strlen(path); i++, j++) {
|
||||
if (path[i] == '\\' || path[i] == '/') {
|
||||
temp_name[j] = '\0';
|
||||
i++;
|
||||
break;
|
||||
}
|
||||
temp_name[j] = path[i];
|
||||
}
|
||||
finfo = dict_search(temp_name, bmpDict, get_directory_max(bmpDict, vfs));
|
||||
|
||||
if (finfo == 0) {
|
||||
if (path[i] != 0) {
|
||||
bmpDict = NULL;
|
||||
}
|
||||
goto END;
|
||||
} else {
|
||||
if (get_clustno(finfo->clustno_high, finfo->clustno_low) != 0) {
|
||||
for (int count = 1;
|
||||
FindForCount(count, get_dm(vfs).directory_clustno_list) != NULL;
|
||||
count++) {
|
||||
struct List *list =
|
||||
FindForCount(count, get_dm(vfs).directory_clustno_list);
|
||||
if (get_clustno(finfo->clustno_high, finfo->clustno_low) ==
|
||||
list->val) {
|
||||
list = FindForCount(count, get_dm(vfs).directory_list);
|
||||
bmpDict = (struct FAT_FILEINFO *)list->val;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
bmpDict = root_dir;
|
||||
}
|
||||
memclean(temp_name, 128);
|
||||
if (path[i] == '\0') {
|
||||
goto END;
|
||||
}
|
||||
}
|
||||
}
|
||||
END:
|
||||
kfree((void *)temp_name);
|
||||
kfree(((void *)bmp));
|
||||
return bmpDict;
|
||||
// strtoupper(path1);
|
||||
// if (strcmp(path1, "/") == 0) {
|
||||
// return fs_m->root_dir;
|
||||
// }
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void ISO_CopyCache(struct vfs_t *dest, struct vfs_t *src){
|
||||
dest->cache = kmalloc(sizeof(l9660_fs));
|
||||
memcpy(dest->cache, src->cache, sizeof(l9660_fs));
|
||||
dest->cache = kmalloc(sizeof(l9660_fs_status_t));
|
||||
memcpy(dest->cache, src->cache, sizeof(l9660_fs_status_t));
|
||||
}
|
||||
|
||||
void ISO_cd(struct vfs_t *vfs, char *dictName){
|
||||
|
||||
int ISO_cd(struct vfs_t *vfs, char *dictname){
|
||||
//
|
||||
// strtoupper(dictname);
|
||||
//
|
||||
if (strcmp(dictname, "/") == 0) {
|
||||
while (vfs->path->ctl->all != 0) {
|
||||
kfree((FindForCount(vfs->path->ctl->all, vfs->path)->val));
|
||||
DeleteVal(vfs->path->ctl->all, vfs->path);
|
||||
}
|
||||
l9660_fs_status_t *fs_m = (l9660_fs_status_t *)vfs->cache;
|
||||
get_now_dir(vfs) = fs_m->root_dir;
|
||||
return 1;
|
||||
}
|
||||
|
||||
void ISO_ReadFile(struct vfs_t *vfs, char *path, char *buffer){
|
||||
|
||||
l9660_dir finfo;
|
||||
l9660_status a = l9660_opendirat(&finfo,&get_now_dir(vfs),dictname);
|
||||
if (a) {
|
||||
return 0;
|
||||
}
|
||||
get_now_dir(vfs) = finfo;
|
||||
if (strcmp(dictname, "..") != 0 && strcmp(dictname, ".") != 0) {
|
||||
char *dict = kmalloc(255);
|
||||
strcpy(dict, dictname);
|
||||
AddVal(dict, vfs->path);
|
||||
}
|
||||
|
||||
void ISO_ListFile(struct vfs_t *vfs, char *dictpath){
|
||||
|
||||
if (strcmp(dictname, "..") == 0) {
|
||||
kfree((FindForCount(vfs->path->ctl->all, vfs->path)->val));
|
||||
DeleteVal(vfs->path->ctl->all, vfs->path);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
bool ISO_ReadFile(struct vfs_t *vfs, char *path, char *buffer){
|
||||
l9660_file file;
|
||||
l9660_status a = l9660_openat(&file, &get_now_dir(vfs),path);
|
||||
if(a) {
|
||||
return false; // not found
|
||||
}
|
||||
for(;;) {
|
||||
size_t read;
|
||||
l9660_read(&file, buffer, 128, &read);
|
||||
if (read == 0)
|
||||
break;
|
||||
buffer += read;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
List *ISO_ListFile(struct vfs_t *vfs, char *dictpath){
|
||||
l9660_dir finfo;
|
||||
if(strcmp(dictpath,"") == 0)
|
||||
finfo = get_now_dir(vfs);
|
||||
else {
|
||||
l9660_status a = l9660_opendirat(&finfo,&get_now_dir(vfs),dictpath);
|
||||
if (a) {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
List *result = NewList();
|
||||
for (;;) {
|
||||
l9660_dirent *dent;
|
||||
l9660_readdir(&finfo, &dent);
|
||||
|
||||
if (dent == 0)
|
||||
break;
|
||||
vfs_file *d = kmalloc(sizeof(vfs_file));
|
||||
memclean((void *)d,sizeof(vfs_file));
|
||||
int j = 0;
|
||||
if(memcmp("\0",dent->name,dent->name_len) == 0) {
|
||||
d->name[j++] = '.';
|
||||
d->name[j] = 0;
|
||||
} else if (memcmp("\1",dent->name,dent->name_len) == 0) {
|
||||
d->name[j++] = '.';
|
||||
d->name[j++] = '.';
|
||||
d->name[j] = 0;
|
||||
}
|
||||
else
|
||||
for(;j<dent->name_len;j++) {
|
||||
if(dent->name[j] == ';') {
|
||||
break;
|
||||
}
|
||||
|
||||
d->name[j] = dent->name[j];
|
||||
}
|
||||
d->name[j] = 0;
|
||||
d->type = FLE;
|
||||
if(dent->flags & DENT_ISDIR) {
|
||||
d->type = DIR;
|
||||
} else {
|
||||
d->size = READ32(dent->size);
|
||||
}
|
||||
AddVal(d, result);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
int ISO_FileSize(struct vfs_t *vfs, char *filename) {
|
||||
l9660_file file;
|
||||
l9660_status a = l9660_openat(&file, &get_now_dir(vfs),filename);
|
||||
if(a) {
|
||||
return -1; // not found
|
||||
}
|
||||
return file.length;
|
||||
}
|
||||
|
||||
|
||||
void init_iso9660()
|
||||
{
|
||||
@ -491,6 +530,7 @@ void init_iso9660()
|
||||
fs.cd = ISO_cd;
|
||||
fs.ReadFile = ISO_ReadFile;
|
||||
fs.ListFile = ISO_ListFile;
|
||||
fs.FileSize = ISO_FileSize;
|
||||
|
||||
vfs_register_fs(fs);
|
||||
}
|
||||
|
||||
@ -8,6 +8,7 @@
|
||||
#include <stdint.h>
|
||||
#include <stddef.h>
|
||||
#include "common.h"
|
||||
#include "list.h"
|
||||
|
||||
typedef enum {
|
||||
/*! Success! */
|
||||
@ -121,10 +122,8 @@ typedef union {
|
||||
char _bits[2048];
|
||||
} l9660_vdesc;
|
||||
|
||||
/* File system structure.
|
||||
* Stick this inside your own structure and cast/offset as appropriate to store
|
||||
* private data
|
||||
*/
|
||||
typedef struct l9660_file ;
|
||||
|
||||
typedef struct l9660_fs {
|
||||
#ifdef L9660_SINGLEBUFFER
|
||||
union {
|
||||
@ -157,6 +156,13 @@ typedef struct {
|
||||
l9660_file file;
|
||||
} l9660_dir;
|
||||
|
||||
typedef struct l9660_fs_status{
|
||||
l9660_fs *fs;
|
||||
l9660_dir root_dir;
|
||||
l9660_dir now_dir;
|
||||
|
||||
}l9660_fs_status_t;
|
||||
|
||||
uint32_t l9660_tell(l9660_file *f);
|
||||
l9660_status l9660_read(l9660_file *f, void *buf, size_t size, size_t *read);
|
||||
l9660_status l9660_seek(l9660_file *f, int whence, int32_t offset);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user