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🆕 完成了ls的功能

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This commit is contained in:
fslongjin
2022-05-29 14:36:46 +08:00
parent a4157bb4a7
commit 9ee6d33318
8 changed files with 106 additions and 16 deletions
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12
kernel/syscall/syscall.c
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@ -110,7 +110,7 @@ uint64_t sys_open(struct pt_regs *regs)
char *filename = (char *)(regs->r8);
int flags = (int)(regs->r9);
kdebug("filename=%s", filename);
// kdebug("filename=%s", filename);
long path_len = strnlen_user(filename, PAGE_4K_SIZE) + 1;
@ -134,10 +134,10 @@ uint64_t sys_open(struct pt_regs *regs)
// 寻找文件
struct vfs_dir_entry_t *dentry = vfs_path_walk(path, 0);
if (dentry != NULL)
printk_color(ORANGE, BLACK, "Found %s\nDIR_FstClus:%#018lx\tDIR_FileSize:%#018lx\n", path, ((struct fat32_inode_info_t *)(dentry->dir_inode->private_inode_info))->first_clus, dentry->dir_inode->file_size);
else
printk_color(ORANGE, BLACK, "Can`t find file\n");
// if (dentry != NULL)
// printk_color(ORANGE, BLACK, "Found %s\nDIR_FstClus:%#018lx\tDIR_FileSize:%#018lx\n", path, ((struct fat32_inode_info_t *)(dentry->dir_inode->private_inode_info))->first_clus, dentry->dir_inode->file_size);
// else
// printk_color(ORANGE, BLACK, "Can`t find file\n");
kfree(path);
if (dentry == NULL)
@ -236,7 +236,7 @@ uint64_t sys_close(struct pt_regs *regs)
{
int fd_num = (int)regs->r8;
kdebug("sys close: fd=%d", fd_num);
// kdebug("sys close: fd=%d", fd_num);
// 校验文件描述符范围
if (fd_num < 0 || fd_num > PROC_MAX_FD_NUM)
return -EBADF;