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🆕 运行文件系统中的二进制程序

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fslongjin
2022-05-06 00:25:32 +08:00
parent 099b24539a
commit 0aec6827ee
24 changed files with 673 additions and 68 deletions
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12
user/libs/libc/Makefile Normal file
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all: libc
CFLAGS += -I .
libc: unistd.o fcntl.o
unistd.o: unistd.c
gcc $(CFLAGS) -c unistd.c -o unistd.o
fcntl.o: fcntl.c
gcc $(CFLAGS) -c fcntl.c -o fcntl.o

101
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/**
* @file errno.h
* @author fslongjin (longjin@RinGoTek.cn)
* @brief
* @version 0.1
* @date 2022-04-22
*
* @copyright Copyright (c) 2022
*
*/
#pragma once
#define E2BIG 1 /* 参数列表过长，或者在输出buffer中缺少空间 或者参数比系统内建的最大值要大 Argument list too long. */
#define EACCES 2 /* 访问被拒绝 Permission denied */
#define EADDRINUSE 3 /* 地址正在被使用 Address in use.*/
#define EADDRNOTAVAIL 4 /* 地址不可用 Address not available.*/
#define EAFNOSUPPORT 5 /* 地址family不支持 Address family not supported. */
#define EAGAIN 6 /* 资源不可用，请重试。 Resource unavailable, try again (may be the same value as [EWOULDBLOCK]).*/
#define EALREADY 7 /* 连接已经在处理 Connection already in progress. */
#define EBADF 8 /* 错误的文件描述符 Bad file descriptor. */
#define EBADMSG 9 /* 错误的消息 Bad message. */
#define EBUSY 10 /* 设备或资源忙 Device or resource busy. */
#define ECANCELED 11 /* 操作被取消 Operation canceled. */
#define ECHILD 12 /* 没有子进程 No child processes. */
#define ECONNABORTED 13 /* 连接已断开 Connection aborted. */
#define ECONNREFUSED 14 /* 连接被拒绝 Connection refused. */
#define ECONNRESET 15 /* 连接被重置 Connection reset. */
#define EDEADLK 16 /* 资源死锁将要发生 Resource deadlock would occur. */
#define EDESTADDRREQ 17 /* 需要目标地址 Destination address required.*/
#define EDOM 18 /* 数学参数超出作用域 Mathematics argument out of domain of function. */
#define EDQUOT 19 /* 保留使用 Reserved */
#define EEXIST 20 /* 文件已存在 File exists. */
#define EFAULT 21 /* 错误的地址 Bad address */
#define EFBIG 22 /* 文件太大 File too large. */
#define EHOSTUNREACH 23 /* 主机不可达 Host is unreachable.*/
#define EIDRM 24 /* 标志符被移除 Identifier removed. */
#define EILSEQ 25 /* 不合法的字符序列 Illegal byte sequence. */
#define EINPROGRESS 26 /* 操作正在处理 Operation in progress. */
#define EINTR 27 /* 被中断的函数 Interrupted function. */
#define EINVAL 28 /* 不可用的参数 Invalid argument. */
#define EIO 29 /* I/O错误 I/O error. */
#define EISCONN 30 /* 套接字已连接 Socket is connected. */
#define EISDIR 31 /* 是一个目录 Is a directory */
#define ELOOP 32 /* 符号链接级别过多 Too many levels of symbolic links. */
#define EMFILE 33 /* 文件描述符的值过大 File descriptor value too large. */
#define EMLINK 34 /* 链接数过多 Too many links. */
#define EMSGSIZE 35 /* 消息过大 Message too large. */
#define EMULTIHOP 36 /* 保留使用 Reserved. */
#define ENAMETOOLONG 37 /* 文件名过长 Filename too long. */
#define ENETDOWN 38 /* 网络已关闭 Network is down. */
#define ENETRESET 39 /* 网络连接已断开 Connection aborted by network. */
#define ENETUNREACH 40 /* 网络不可达 Network unreachable. */
#define ENFILE 41 /* 系统中打开的文件过多 Too many files open in system.*/
#define ENOBUFS 42 /* 缓冲区空间不足 No buffer space available. */
#define ENODATA 43 /* 队列头没有可读取的消息 No message is available on the STREAM head read queue. */
#define ENODEV 44 /* 没有指定的设备 No such device. */
#define ENOENT 45 /* 没有指定的文件或目录 No such file or directory. */
#define ENOEXEC 46 /* 可执行文件格式错误 Executable file format error. */
#define ENOLCK 47 /* 没有可用的锁 No locks available. */
#define ENOLINK 48 /* 保留 Reserved. */
#define ENOMEM 49 /* 没有足够的空间 Not enough space. */
#define ENOMSG 50 /* 没有期待类型的消息 No message of the desired type. */
#define ENOPROTOOPT 51 /* 协议不可用 Protocol not available. */
#define ENOSPC 52 /* 设备上没有空间 No space left on device. */
#define ENOSR 53 /* 没有STREAM资源 No STREAM resources.*/
#define ENOSTR 54 /* 不是STREAM Not a STREAM */
#define ENOSYS 55 /* 功能不支持 Function not supported. */
#define ENOTCONN 56 /* 套接字未连接 The socket is not connected. */
#define ENOTDIR 57 /* 不是目录 Not a directory. */
#define ENOTEMPTY 58 /* 目录非空 Directory not empty. */
#define ENOTRECOVERABLE 59 /* 状态不可覆盖 State not recoverable. */
#define ENOTSOCK 60 /* 不是一个套接字 Not a socket.*/
#define ENOTSUP 61 /* 不被支持 Not supported (may be the same value as [EOPNOTSUPP]). */
#define ENOTTY 62 /* 不正确的I/O控制操作 Inappropriate I/O control operation. */
#define ENXIO 63 /* 没有这样的设备或地址 No such device or address. */
#define EOPNOTSUPP 64 /* 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]). */
#define EOVERFLOW 65 /* 数值过大，产生溢出 Value too large to be stored in data type. */
#define EOWNERDEAD 66 /* 之前的拥有者挂了 Previous owner died. */
#define EPERM 67 /* 操作不被允许 Operation not permitted. */
#define EPIPE 68 /* 断开的管道 Broken pipe. */
#define EPROTO 69 /* 协议错误 Protocol error. */
#define EPROTONOSUPPORT 70 /* 协议不被支持 Protocol not supported. */
#define EPROTOTYPE 71 /* 对于套接字而言，错误的协议 Protocol wrong type for socket. */
#define ERANGE 72 /* 结果过大 Result too large. */
#define EROFS 73 /* 只读的文件系统 Read-only file system. */
#define ESPIPE 74 /* 错误的寻道 Invalid seek. */
#define ESRCH 75 /* 没有这样的进程 No such process. */
#define ESTALE 76 /* 保留 Reserved. */
#define ETIME 77 /* 流式ioctl()超时 Stream ioctl() timeout */
#define ETIMEDOUT 78 /* 连接超时 Connection timed out.*/
#define ETXTBSY 79 /* 文本文件忙 Text file busy. */
#define EWOULDBLOCK 80 /* 操作将被禁止 Operation would block (may be the same value as [EAGAIN]). */
#define EXDEV 81 /* 跨设备连接 Cross-device link. */

15
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#include <libc/fcntl.h>
#include <libsystem/syscall.h>
/**
* @brief 打开文件的接口
*
* @param path 文件路径
* @param options 打开选项
* @param ...
* @return int 文件描述符
*/
int open(const char *path, int options, ...)
{
return syscall_invoke(SYS_OPEN, (uint64_t)path, 0, 0, 0, 0, 0, 0, 0);
}

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/**
* @file fcntl.h
* @author fslongjin (longjin@RinGoTek.cn)
* @brief
* @version 0.1
* @date 2022-04-26
*
* @copyright Copyright (c) 2022
*
*/
#pragma once
#define O_RDONLY 00000000 // Open Read-only
#define O_WRONLY 00000001 // Open Write-only
#define O_RDWR 00000002 // Open read/write
#define O_ACCMODE 00000003 // Mask for file access modes
#define O_CREAT 00000100 // Create file if it does not exist
#define O_EXCL 00000200 // Fail if file already exists
#define O_NOCTTY 00000400 // Do not assign controlling terminal
#define O_TRUNC 00001000 // 文件存在且是普通文件，并以O_RDWR或O_WRONLY打开，则它会被清空
#define O_APPEND 00002000 // 文件指针会被移动到文件末尾
#define O_NONBLOCK 00004000 // 非阻塞式IO模式
#define O_EXEC 00010000 // 以仅执行的方式打开（非目录文件）
#define O_SEARCH 00020000 // Open the directory for search only
#define O_DIRECTORY 00040000 // 打开的必须是一个目录
#define O_NOFOLLOW 00100000 // Do not follow symbolic links
/**
* @brief 打开文件的接口
*
* @param path 文件路径
* @param options 打开选项
* @param ...
* @return int 文件描述符
*/
int open(const char * path, int options, ...);

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#pragma once
#define SEEK_SET 0 /* Seek relative to start-of-file */
#define SEEK_CUR 1 /* Seek relative to current position */
#define SEEK_END 2 /* Seek relative to end-of-file */
#define SEEK_MAX 3

83
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#pragma once
#include <stdint.h>
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;
typedef uint32_t uid_t;
typedef uint32_t gid_t;
typedef long long ssize_t;
typedef int __pid_t;
#define pid_t __pid_t
typedef __SIZE_TYPE__ size_t;
typedef char *caddr_t;
typedef int id_t;
typedef uint64_t ino_t;
typedef int64_t off_t;
typedef uint32_t blkcnt_t;
typedef uint32_t blksize_t;
typedef uint32_t dev_t;
typedef uint16_t mode_t;
typedef uint32_t nlink_t;
typedef int64_t time_t;
typedef uint32_t useconds_t;
typedef int32_t suseconds_t;
typedef uint32_t clock_t;
typedef uint64_t fsblkcnt_t;
typedef uint64_t fsfilcnt_t;
#define __socklen_t_defined
#define __socklen_t uint32_t
typedef __socklen_t socklen_t;
struct utimbuf
{
time_t actime;
time_t modtime;
};
typedef int pthread_t;
typedef int pthread_key_t;
typedef uint32_t pthread_once_t;
typedef struct __pthread_mutex_t
{
uint32_t lock;
pthread_t owner;
int level;
int type;
} pthread_mutex_t;
typedef void *pthread_attr_t;
typedef struct __pthread_mutexattr_t
{
int type;
} pthread_mutexattr_t;
typedef struct __pthread_cond_t
{
pthread_mutex_t *mutex;
uint32_t value;
int clockid; // clockid_t
} pthread_cond_t;
typedef uint64_t pthread_rwlock_t;
typedef void *pthread_rwlockattr_t;
typedef struct __pthread_spinlock_t
{
int m_lock;
} pthread_spinlock_t;
typedef struct __pthread_condattr_t
{
int clockid; // clockid_t
} pthread_condattr_t;

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#include <libc/unistd.h>
#include <libsystem/syscall.h>
/**
* @brief 往屏幕上输出字符串
*
* @param str 字符串指针
* @param front_color 前景色
* @param bg_color 背景色
* @return int64_t
*/
int64_t put_string(char* str, uint64_t front_color, uint64_t bg_color)
{
return syscall_invoke(SYS_PUT_STRING, str, front_color, bg_color,0,0,0,0,0);
}
/**
* @brief 关闭文件接口
*
* @param fd 文件描述符
* @return int
*/
int close(int fd)
{
return syscall_invoke(SYS_CLOSE, fd, 0, 0, 0, 0, 0, 0, 0);
}
/**
* @brief 从文件读取数据的接口
*
* @param fd 文件描述符
* @param buf 缓冲区
* @param count 待读取数据的字节数
* @return ssize_t 成功读取的字节数
*/
ssize_t read(int fd, void *buf, size_t count)
{
return (ssize_t)syscall_invoke(SYS_READ, fd, buf, count,0,0,0,0,0);
}
/**
* @brief 向文件写入数据的接口
*
* @param fd 文件描述符
* @param buf 缓冲区
* @param count 待写入数据的字节数
* @return ssize_t 成功写入的字节数
*/
ssize_t write(int fd, void const *buf, size_t count)
{
return (ssize_t)syscall_invoke(SYS_WRITE, fd, buf, count,0,0,0,0,0);
}
/**
* @brief 调整文件的访问位置
*
* @param fd 文件描述符号
* @param offset 偏移量
* @param whence 调整模式
* @return uint64_t 调整结束后的文件访问位置
*/
off_t lseek(int fd, off_t offset, int whence)
{
return (off_t)syscall_invoke(SYS_LSEEK, fd, offset, whence, 0,0,0,0,0);
}

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#pragma once
#include <stdint.h>
#include <libc/sys/types.h>
// 字体颜色的宏定义
#define COLOR_WHITE 0x00ffffff //白
#define COLOR_BLACK 0x00000000 //黑
#define COLOR_RED 0x00ff0000 //红
#define COLOR_ORANGE 0x00ff8000 //橙
#define COLOR_YELLOW 0x00ffff00 //黄
#define COLOR_GREEN 0x0000ff00 //绿
#define COLOR_BLUE 0x000000ff //蓝
#define COLOR_INDIGO 0x0000ffff //靛
#define COLOR_PURPLE 0x008000ff //紫
/**
* @brief 往屏幕上输出字符串
*
* @param str 字符串指针
* @param front_color 前景色
* @param bg_color 背景色
* @return int64_t
*/
int64_t put_string(char* str, uint64_t front_color, uint64_t bg_color);
/**
* @brief 关闭文件接口
*
* @param fd 文件描述符
* @return int
*/
int close(int fd);
/**
* @brief 从文件读取数据的接口
*
* @param fd 文件描述符
* @param buf 缓冲区
* @param count 待读取数据的字节数
* @return ssize_t 成功读取的字节数
*/
ssize_t read(int fd, void *buf, size_t count);
/**
* @brief 向文件写入数据的接口
*
* @param fd 文件描述符
* @param buf 缓冲区
* @param count 待写入数据的字节数
* @return ssize_t 成功写入的字节数
*/
ssize_t write(int fd, void const *buf, size_t count);
/**
* @brief 调整文件的访问位置
*
* @param fd 文件描述符号
* @param offset 偏移量
* @param whence 调整模式
* @return uint64_t 调整结束后的文件访问位置
*/
off_t lseek(int fd, off_t offset, int whence);
/**
* @brief fork当前进程
*
* @return pid_t
*/
pid_t fork(void);
/**
* @brief fork当前进程，但是与父进程共享VM、flags、fd
*
* @return pid_t
*/
pid_t vfork(void);