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EnderIce2
2024-01-19 06:47:42 +02:00
parent fd15592608
commit 96daa43d38
282 changed files with 25486 additions and 15700 deletions
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116
include/filesystem/ext2.hpp
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@ -24,68 +24,68 @@
namespace vfs
{
class EXT2
{
public:
struct SuperBlock
{
uint32_t Inodes;
uint32_t Blocks;
uint32_t ReservedBlocks;
uint32_t FreeBlock;
uint32_t FreeInodes;
uint32_t FirstDataBlock;
uint32_t LogBlockSize;
uint32_t LogFragSize;
uint32_t BlocksPerGroup;
uint32_t FragsPerGroup;
uint32_t InodesPerGroup;
uint32_t LastMountTime;
uint32_t LastWrittenTime;
uint16_t MountedTimes;
uint16_t MaximumMountedTimes;
uint16_t Magic;
uint16_t State;
uint16_t Errors;
uint16_t MinorRevLevel;
uint32_t LastCheck;
uint32_t CheckInternval;
uint32_t SystemID;
uint32_t RevLevel;
uint16_t ReservedBlocksUserID;
uint16_t ReservedBlocksGroupID;
class EXT2
{
public:
struct SuperBlock
{
uint32_t Inodes;
uint32_t Blocks;
uint32_t ReservedBlocks;
uint32_t FreeBlock;
uint32_t FreeInodes;
uint32_t FirstDataBlock;
uint32_t LogBlockSize;
uint32_t LogFragSize;
uint32_t BlocksPerGroup;
uint32_t FragsPerGroup;
uint32_t InodesPerGroup;
uint32_t LastMountTime;
uint32_t LastWrittenTime;
uint16_t MountedTimes;
uint16_t MaximumMountedTimes;
uint16_t Magic;
uint16_t State;
uint16_t Errors;
uint16_t MinorRevLevel;
uint32_t LastCheck;
uint32_t CheckInternval;
uint32_t SystemID;
uint32_t RevLevel;
uint16_t ReservedBlocksUserID;
uint16_t ReservedBlocksGroupID;
uint32_t FirstInode;
uint16_t InodeSize;
uint16_t BlockGroups;
uint32_t FeatureCompatibility;
uint32_t FeatureIncompatibility;
uint32_t FeatureRoCompatibility;
uint8_t UUID[16];
char VolumeName[16];
char LastMounted[64];
uint32_t BitmapAlogrithm;
uint32_t FirstInode;
uint16_t InodeSize;
uint16_t BlockGroups;
uint32_t FeatureCompatibility;
uint32_t FeatureIncompatibility;
uint32_t FeatureRoCompatibility;
uint8_t UUID[16];
char VolumeName[16];
char LastMounted[64];
uint32_t BitmapAlogrithm;
uint8_t PreallocatedBlocks;
uint8_t PreallocatedDirectoryBlocks;
uint8_t PreallocatedBlocks;
uint8_t PreallocatedDirectoryBlocks;
uint16_t Padding;
uint8_t JournalUUID[16];
uint32_t JournalInum;
uint32_t JournalDev;
uint32_t LastOrphan;
uint32_t HashSeed[4];
uint8_t DefHashVersion;
uint8_t ReservedCharPad;
uint16_t ReservedWordPad;
uint32_t DefaultMountOptions;
uint32_t FirstMetaBg;
uint32_t Reserved[190];
};
uint16_t Padding;
uint8_t JournalUUID[16];
uint32_t JournalInum;
uint32_t JournalDev;
uint32_t LastOrphan;
uint32_t HashSeed[4];
uint8_t DefHashVersion;
uint8_t ReservedCharPad;
uint16_t ReservedWordPad;
uint32_t DefaultMountOptions;
uint32_t FirstMetaBg;
uint32_t Reserved[190];
};
EXT2(void *partition);
~EXT2();
};
EXT2(void *partition);
~EXT2();
};
}
#endif // !__FENNIX_KERNEL_FILESYSTEM_EXT2_H__

92
include/filesystem/fat.hpp
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@ -24,54 +24,54 @@
namespace vfs
{
class FAT
{
public:
enum FatType
{
Unknown,
FAT12,
FAT16,
FAT32
};
class FAT
{
public:
enum FatType
{
Unknown,
FAT12,
FAT16,
FAT32
};
/* https://wiki.osdev.org/FAT */
struct BIOSParameterBlock
{
/** @brief The first three bytes EB 3C 90 disassemble to JMP SHORT 3C NOP. (The 3C value may be different.) The reason for this is to jump over the disk format information (the BPB and EBPB). Since the first sector of the disk is loaded into ram at location 0x0000:0x7c00 and executed, without this jump, the processor would attempt to execute data that isn't code. Even for non-bootable volumes, code matching this pattern (or using the E9 jump opcode) is required to be present by both Windows and OS X. To fulfil this requirement, an infinite loop can be placed here with the bytes EB FE 90. */
uint8_t JumpBoot[3];
/** @brief OEM identifier. The first 8 Bytes (3 - 10) is the version of DOS being used. The next eight Bytes 29 3A 63 7E 2D 49 48 and 43 read out the name of the version. The official FAT Specification from Microsoft says that this field is really meaningless and is ignored by MS FAT Modules, however it does recommend the value "MSWIN4.1" as some 3rd party drivers supposedly check it and expect it to have that value. Older versions of dos also report MSDOS5.1, linux-formatted floppy will likely to carry "mkdosfs" here, and FreeDOS formatted disks have been observed to have "FRDOS5.1" here. If the string is less than 8 bytes, it is padded with spaces. */
uint8_t OEM[8];
/** @brief The number of Bytes per sector (remember, all numbers are in the little-endian format). */
uint16_t BytesPerSector;
/** @brief Number of sectors per cluster. */
uint8_t SectorsPerCluster;
/** @brief Number of reserved sectors. The boot record sectors are included in this value. */
uint16_t ReservedSectors;
/** @brief Number of File Allocation Tables (FAT's) on the storage media. Often this value is 2. */
uint8_t NumberOfFATs;
/** @brief Number of root directory entries (must be set so that the root directory occupies entire sectors). */
uint16_t RootDirectoryEntries;
/** @brief The total sectors in the logical volume. If this value is 0, it means there are more than 65535 sectors in the volume, and the actual count is stored in the Large Sector Count entry at 0x20. */
uint16_t Sectors16;
/** @brief This Byte indicates the media descriptor type. */
uint8_t Media;
/** @brief Number of sectors per FAT. FAT12/FAT16 only. */
uint16_t SectorsPerFAT;
/** @brief Number of sectors per track. */
uint16_t SectorsPerTrack;
/** @brief Number of heads or sides on the storage media. */
uint16_t NumberOfHeads;
/** @brief Number of hidden sectors. (i.e. the LBA of the beginning of the partition). */
uint32_t HiddenSectors;
/** @brief Large sector count. This field is set if there are more than 65535 sectors in the volume, resulting in a value which does not fit in the Number of Sectors entry at 0x13. */
uint32_t Sectors32;
} __packed;
/* https://wiki.osdev.org/FAT */
struct BIOSParameterBlock
{
/** @brief The first three bytes EB 3C 90 disassemble to JMP SHORT 3C NOP. (The 3C value may be different.) The reason for this is to jump over the disk format information (the BPB and EBPB). Since the first sector of the disk is loaded into ram at location 0x0000:0x7c00 and executed, without this jump, the processor would attempt to execute data that isn't code. Even for non-bootable volumes, code matching this pattern (or using the E9 jump opcode) is required to be present by both Windows and OS X. To fulfil this requirement, an infinite loop can be placed here with the bytes EB FE 90. */
uint8_t JumpBoot[3];
/** @brief OEM identifier. The first 8 Bytes (3 - 10) is the version of DOS being used. The next eight Bytes 29 3A 63 7E 2D 49 48 and 43 read out the name of the version. The official FAT Specification from Microsoft says that this field is really meaningless and is ignored by MS FAT Modules, however it does recommend the value "MSWIN4.1" as some 3rd party drivers supposedly check it and expect it to have that value. Older versions of dos also report MSDOS5.1, linux-formatted floppy will likely to carry "mkdosfs" here, and FreeDOS formatted disks have been observed to have "FRDOS5.1" here. If the string is less than 8 bytes, it is padded with spaces. */
uint8_t OEM[8];
/** @brief The number of Bytes per sector (remember, all numbers are in the little-endian format). */
uint16_t BytesPerSector;
/** @brief Number of sectors per cluster. */
uint8_t SectorsPerCluster;
/** @brief Number of reserved sectors. The boot record sectors are included in this value. */
uint16_t ReservedSectors;
/** @brief Number of File Allocation Tables (FAT's) on the storage media. Often this value is 2. */
uint8_t NumberOfFATs;
/** @brief Number of root directory entries (must be set so that the root directory occupies entire sectors). */
uint16_t RootDirectoryEntries;
/** @brief The total sectors in the logical volume. If this value is 0, it means there are more than 65535 sectors in the volume, and the actual count is stored in the Large Sector Count entry at 0x20. */
uint16_t Sectors16;
/** @brief This Byte indicates the media descriptor type. */
uint8_t Media;
/** @brief Number of sectors per FAT. FAT12/FAT16 only. */
uint16_t SectorsPerFAT;
/** @brief Number of sectors per track. */
uint16_t SectorsPerTrack;
/** @brief Number of heads or sides on the storage media. */
uint16_t NumberOfHeads;
/** @brief Number of hidden sectors. (i.e. the LBA of the beginning of the partition). */
uint32_t HiddenSectors;
/** @brief Large sector count. This field is set if there are more than 65535 sectors in the volume, resulting in a value which does not fit in the Number of Sectors entry at 0x13. */
uint32_t Sectors32;
} __packed;
FatType GetFATType(BIOSParameterBlock *bpb);
FAT(void *partition);
~FAT();
};
FatType GetFATType(BIOSParameterBlock *bpb);
FAT(void *partition);
~FAT();
};
}
#endif // !__FENNIX_KERNEL_FILESYSTEM_FAT_H__

34
include/filesystem/initrd.hpp
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@ -24,25 +24,25 @@
namespace vfs
{
class Initrd
{
public:
struct InitrdHeader
{
uint32_t nfiles;
};
class Initrd
{
public:
struct InitrdHeader
{
uint32_t nfiles;
};
struct InitrdFileHeader
{
uint8_t magic;
char name[64];
uint32_t offset;
uint32_t length;
};
struct InitrdFileHeader
{
uint8_t magic;
char name[64];
uint32_t offset;
uint32_t length;
};
Initrd(uintptr_t Address);
~Initrd();
};
Initrd(uintptr_t Address);
~Initrd();
};
}
#endif // !__FENNIX_KERNEL_FILESYSTEM_INITRD_H__

59
include/filesystem/ioctl.hpp
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@ -20,13 +20,58 @@
#include <types.h>
#include <stropts.h>
#include <filesystem/termios.hpp>
struct winsize
{
unsigned short ws_row;
unsigned short ws_col;
unsigned short ws_xpixel;
unsigned short ws_ypixel;
};
#define _IOC_NRBITS 8
#define _IOC_TYPEBITS 8
#define _IOC_SIZEBITS 14
#define _IOC_DIRBITS 2
#define _IOC_NRMASK \
((1 << _IOC_NRBITS) - 1)
#define _IOC_TYPEMASK \
((1 << _IOC_TYPEBITS) - 1)
#define _IOC_SIZEMASK \
((1 << _IOC_SIZEBITS) - 1)
#define _IOC_DIRMASK \
((1 << _IOC_DIRBITS) - 1)
#define _IOC_NRSHIFT 0
#define _IOC_TYPESHIFT \
(_IOC_NRSHIFT + _IOC_NRBITS)
#define _IOC_SIZESHIFT \
(_IOC_TYPESHIFT + _IOC_TYPEBITS)
#define _IOC_DIRSHIFT \
(_IOC_SIZESHIFT + _IOC_SIZEBITS)
#define _IOC(dir, type, nr, size) \
(((dir) << _IOC_DIRSHIFT) | \
((type) << _IOC_TYPESHIFT) | \
((nr) << _IOC_NRSHIFT) | \
((size) << _IOC_SIZESHIFT))
#define _IOC_NONE 0U
#define _IOC_WRITE 1U
#define _IOC_READ 2U
#define _IOC_TYPECHECK(t) (sizeof(t))
#define _IO(type, nr) \
_IOC(_IOC_NONE, (type), (nr), 0)
#define _IOR(type, nr, size) \
_IOC(_IOC_READ, (type), (nr), (_IOC_TYPECHECK(size)))
#define _IOW(type, nr, size) \
_IOC(_IOC_WRITE, (type), (nr), (_IOC_TYPECHECK(size)))
#define _IOWR(type, nr, size) \
_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), (_IOC_TYPECHECK(size)))
#define _IOR_BAD(type, nr, size) \
_IOC(_IOC_READ, (type), (nr), sizeof(size))
#define _IOW_BAD(type, nr, size) \
_IOC(_IOC_WRITE, (type), (nr), sizeof(size))
#define _IOWR_BAD(type, nr, size) \
_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), sizeof(size))
#define TIOCGPTN _IOR('T', 0x30, unsigned int)
#define TIOCSPTLCK _IOW('T', 0x31, int)
#endif // !__FENNIX_KERNEL_FILESYSTEM_IOCTL_H__

160
include/filesystem/mounts.hpp
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@ -20,7 +20,12 @@
#include <types.h>
#include <filesystem/termios.hpp>
#include <filesystem.hpp>
#include <bitmap.hpp>
#include <task.hpp>
#include <lock.hpp>
#include <vector>
namespace vfs
{
@ -34,12 +39,12 @@ namespace vfs
class NullDevice : public Node
{
public:
virtual size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset);
virtual size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
NullDevice();
~NullDevice();
@ -48,12 +53,12 @@ namespace vfs
class RandomDevice : public Node
{
public:
virtual size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset);
virtual size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
RandomDevice();
~RandomDevice();
@ -62,42 +67,137 @@ namespace vfs
class ZeroDevice : public Node
{
public:
virtual size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset);
virtual size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
ZeroDevice();
~ZeroDevice();
};
class KConDevice : public Node
{
public:
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
int ioctl(unsigned long Request,
void *Argp) final;
termios term{};
winsize termSize{};
KConDevice();
~KConDevice();
};
class TTYDevice : public Node
{
public:
virtual size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
virtual int ioctl(unsigned long Request,
void *Argp);
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
int ioctl(unsigned long Request,
void *Argp) final;
TTYDevice();
~TTYDevice();
};
class MasterPTY
{
NewLock(PTYLock);
public:
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset);
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
MasterPTY();
~MasterPTY();
};
class SlavePTY
{
NewLock(PTYLock);
public:
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset);
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
SlavePTY();
~SlavePTY();
};
class PTYDevice : public Node
{
private:
Node *pts;
int id;
int fildes;
bool isMaster;
termios term{};
winsize termSize{};
MasterPTY *MasterDev;
SlavePTY *SlaveDev;
public:
decltype(id) &ptyId = id;
decltype(fildes) &fd = fildes;
int open(int Flags, mode_t Mode) final;
int close() final;
size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset) final;
int ioctl(unsigned long Request,
void *Argp) final;
int OpenMaster(int Flags, mode_t Mode);
PTYDevice(Node *pts, int id);
~PTYDevice();
};
class PTMXDevice : public Node
{
private:
Node *pts = nullptr;
NewLock(PTMXLock);
Node *pts;
Bitmap ptysId;
std::vector<PTYDevice *> ptysList;
public:
virtual size_t read(uint8_t *Buffer,
size_t Size,
off_t Offset);
virtual size_t write(uint8_t *Buffer,
size_t Size,
off_t Offset);
int open(int Flags, mode_t Mode) final;
/**
* Remove a PTY from the list
*
* @param fd The file descriptor of the PTY
* @param pcb The process that owns the PTY
*
* @note if pcb is nullptr, the current process
* will be used.
*
*/
void RemovePTY(int fd, Tasking::PCB *pcb = nullptr);
PTMXDevice();
~PTMXDevice();

160
include/filesystem/termios-bits.hpp Normal file
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@ -0,0 +1,160 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FENNIX_KERNEL_TERMIOS_BITS_H__
#define __FENNIX_KERNEL_TERMIOS_BITS_H__
/* c_cc */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VTIME 5
#define VMIN 6
#define VSWTC 7
#define VSTART 8
#define VSTOP 9
#define VSUSP 10
#define VEOL 11
#define VREPRINT 12
#define VDISCARD 13
#define VWERASE 14
#define VLNEXT 15
#define VEOL2 16
/* c_iflag */
#define IGNBRK 0000001
#define BRKINT 0000002
#define IGNPAR 0000004
#define PARMRK 0000010
#define INPCK 0000020
#define ISTRIP 0000040
#define INLCR 0000100
#define IGNCR 0000200
#define ICRNL 0000400
#define IUCLC 0001000
#define IXON 0002000
#define IXANY 0004000
#define IXOFF 0010000
#define IMAXBEL 0020000
#define IUTF8 0040000
/* c_lflag */
#define ISIG 0000001
#define ICANON 0000002
#define XCASE 0000004
#define ECHO 0000010
#define ECHOE 0000020
#define ECHOK 0000040
#define ECHONL 0000100
#define NOFLSH 0000200
#define TOSTOP 0000400
#define ECHOCTL 0001000
#define ECHOPRT 0002000
#define ECHOKE 0004000
#define FLUSHO 0010000
#define PENDIN 0040000
#define IEXTEN 0100000
#define EXTPROC 0200000
/* c_oflag */
#define OPOST 0000001
#define OLCUC 0000002
#define ONLCR 0000004
#define OCRNL 0000010
#define ONOCR 0000020
#define ONLRET 0000040
#define OFILL 0000100
#define OFDEL 0000200
#define NLDLY 0000400
#define NL0 0000000
#define NL1 0000400
#define CRDLY 0003000
#define _CR0 0000000
#define _CR1 0001000
#define _CR2 0002000
#define _CR3 0003000
#define TABDLY 0014000
#define TAB0 0000000
#define TAB1 0004000
#define TAB2 0010000
#define TAB3 0014000
#define XTABS 0014000
#define BSDLY 0020000
#define BS0 0000000
#define BS1 0020000
#define VTDLY 0040000
#define VT0 0000000
#define VT1 0040000
#define FFDLY 0100000
#define FF0 0000000
#define FF1 0100000
/* c_cflag */
#define CBAUD 0010017
#define _B0 0000000
#define B50 0000001
#define B75 0000002
#define B110 0000003
#define B134 0000004
#define B150 0000005
#define B200 0000006
#define B300 0000007
#define B600 0000010
#define B1200 0000011
#define B1800 0000012
#define B2400 0000013
#define B4800 0000014
#define B9600 0000015
#define B19200 0000016
#define B38400 0000017
#define EXTA B19200
#define EXTB B38400
#define CSIZE 0000060
#define CS5 0000000
#define CS6 0000020
#define CS7 0000040
#define CS8 0000060
#define CSTOPB 0000100
#define CREAD 0000200
#define PARENB 0000400
#define PARODD 0001000
#define HUPCL 0002000
#define CLOCAL 0004000
#define CBAUDEX 0010000
#define BOTHER 0010000
#define B57600 0010001
#define B115200 0010002
#define B230400 0010003
#define B460800 0010004
#define B500000 0010005
#define B576000 0010006
#define B921600 0010007
#define B1000000 0010010
#define B1152000 0010011
#define B1500000 0010012
#define B2000000 0010013
#define B2500000 0010014
#define B3000000 0010015
#define B3500000 0010016
#define B4000000 0010017
#define CIBAUD 002003600000
#define CMSPAR 010000000000
#define CRTSCTS 020000000000
#endif // !__FENNIX_KERNEL_TERMIOS_BITS_H__

49
include/filesystem/termios.hpp Normal file
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@ -0,0 +1,49 @@
/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FENNIX_KERNEL_TERMIOS_H__
#define __FENNIX_KERNEL_TERMIOS_H__
#include <types.h>
#include <filesystem/termios-bits.hpp>
typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned int tcflag_t;
#define NCCS 32
struct termios
{
tcflag_t c_iflag;
tcflag_t c_oflag;
tcflag_t c_cflag;
tcflag_t c_lflag;
cc_t c_line;
cc_t c_cc[NCCS];
speed_t c_ispeed;
speed_t c_ospeed;
};
struct winsize
{
unsigned short ws_row;
unsigned short ws_col;
unsigned short ws_xpixel;
unsigned short ws_ypixel;
};
#endif // !__FENNIX_KERNEL_TERMIOS_H__