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Merge remote-tracking branch 'Kernel/master'
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EnderIce2
91
Kernel/include/filesystem/ext2.hpp
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91
Kernel/include/filesystem/ext2.hpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_FILESYSTEM_EXT2_H__
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#define __FENNIX_KERNEL_FILESYSTEM_EXT2_H__
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#include <types.h>
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#include <filesystem.hpp>
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namespace vfs
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{
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class EXT2
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{
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public:
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struct SuperBlock
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{
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uint32_t Inodes;
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uint32_t Blocks;
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uint32_t ReservedBlocks;
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uint32_t FreeBlock;
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uint32_t FreeInodes;
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uint32_t FirstDataBlock;
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uint32_t LogBlockSize;
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uint32_t LogFragSize;
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uint32_t BlocksPerGroup;
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uint32_t FragsPerGroup;
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uint32_t InodesPerGroup;
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uint32_t LastMountTime;
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uint32_t LastWrittenTime;
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uint16_t MountedTimes;
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uint16_t MaximumMountedTimes;
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uint16_t Magic;
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uint16_t State;
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uint16_t Errors;
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uint16_t MinorRevLevel;
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uint32_t LastCheck;
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uint32_t CheckInternval;
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uint32_t SystemID;
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uint32_t RevLevel;
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uint16_t ReservedBlocksUserID;
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uint16_t ReservedBlocksGroupID;
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uint32_t FirstInode;
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uint16_t InodeSize;
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uint16_t BlockGroups;
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uint32_t FeatureCompatibility;
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uint32_t FeatureIncompatibility;
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uint32_t FeatureRoCompatibility;
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uint8_t UUID[16];
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char VolumeName[16];
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char LastMounted[64];
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uint32_t BitmapAlogrithm;
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uint8_t PreallocatedBlocks;
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uint8_t PreallocatedDirectoryBlocks;
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uint16_t Padding;
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uint8_t JournalUUID[16];
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uint32_t JournalInum;
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uint32_t JournalDev;
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uint32_t LastOrphan;
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uint32_t HashSeed[4];
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uint8_t DefHashVersion;
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uint8_t ReservedCharPad;
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uint16_t ReservedWordPad;
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uint32_t DefaultMountOptions;
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uint32_t FirstMetaBg;
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uint32_t Reserved[190];
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};
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EXT2(void *partition);
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~EXT2();
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};
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}
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#endif // !__FENNIX_KERNEL_FILESYSTEM_EXT2_H__
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48
Kernel/include/filesystem/initrd.hpp
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48
Kernel/include/filesystem/initrd.hpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_FILESYSTEM_INITRD_H__
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#define __FENNIX_KERNEL_FILESYSTEM_INITRD_H__
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#include <types.h>
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#include <filesystem.hpp>
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namespace vfs
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{
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class Initrd
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{
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public:
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struct InitrdHeader
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{
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uint32_t nfiles;
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};
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struct InitrdFileHeader
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{
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uint8_t magic;
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char name[64];
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uint32_t offset;
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uint32_t length;
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};
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Initrd(uintptr_t Address);
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~Initrd();
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};
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}
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#endif // !__FENNIX_KERNEL_FILESYSTEM_INITRD_H__
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77
Kernel/include/filesystem/ioctl.hpp
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77
Kernel/include/filesystem/ioctl.hpp
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_FILESYSTEM_IOCTL_H__
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#define __FENNIX_KERNEL_FILESYSTEM_IOCTL_H__
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#include <types.h>
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#include <stropts.h>
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#include <termios.h>
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#define _IOC_NRBITS 8
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#define _IOC_TYPEBITS 8
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#define _IOC_SIZEBITS 14
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#define _IOC_DIRBITS 2
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#define _IOC_NRMASK \
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((1 << _IOC_NRBITS) - 1)
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#define _IOC_TYPEMASK \
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((1 << _IOC_TYPEBITS) - 1)
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#define _IOC_SIZEMASK \
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((1 << _IOC_SIZEBITS) - 1)
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#define _IOC_DIRMASK \
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((1 << _IOC_DIRBITS) - 1)
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#define _IOC_NRSHIFT 0
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#define _IOC_TYPESHIFT \
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(_IOC_NRSHIFT + _IOC_NRBITS)
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#define _IOC_SIZESHIFT \
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(_IOC_TYPESHIFT + _IOC_TYPEBITS)
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#define _IOC_DIRSHIFT \
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(_IOC_SIZESHIFT + _IOC_SIZEBITS)
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#define _IOC(dir, type, nr, size) \
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(((dir) << _IOC_DIRSHIFT) | \
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((type) << _IOC_TYPESHIFT) | \
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((nr) << _IOC_NRSHIFT) | \
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((size) << _IOC_SIZESHIFT))
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#define _IOC_NONE 0U
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#define _IOC_WRITE 1U
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#define _IOC_READ 2U
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#define _IOC_TYPECHECK(t) (sizeof(t))
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#define _IO(type, nr) \
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_IOC(_IOC_NONE, (type), (nr), 0)
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#define _IOR(type, nr, size) \
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_IOC(_IOC_READ, (type), (nr), (_IOC_TYPECHECK(size)))
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#define _IOW(type, nr, size) \
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_IOC(_IOC_WRITE, (type), (nr), (_IOC_TYPECHECK(size)))
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#define _IOWR(type, nr, size) \
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_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), (_IOC_TYPECHECK(size)))
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#define _IOR_BAD(type, nr, size) \
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_IOC(_IOC_READ, (type), (nr), sizeof(size))
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#define _IOW_BAD(type, nr, size) \
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_IOC(_IOC_WRITE, (type), (nr), sizeof(size))
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#define _IOWR_BAD(type, nr, size) \
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_IOC(_IOC_READ | _IOC_WRITE, (type), (nr), sizeof(size))
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#define TIOCGPTN _IOR('T', 0x30, unsigned int)
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#define TIOCSPTLCK _IOW('T', 0x31, int)
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#endif // !__FENNIX_KERNEL_FILESYSTEM_IOCTL_H__
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137
Kernel/include/filesystem/ustar.hpp
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137
Kernel/include/filesystem/ustar.hpp
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@ -0,0 +1,137 @@
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/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __FENNIX_KERNEL_FILESYSTEM_USTAR_H__
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#define __FENNIX_KERNEL_FILESYSTEM_USTAR_H__
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#include <filesystem.hpp>
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namespace vfs
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{
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class USTAR
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{
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public:
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enum TypeFlag
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{
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AREGTYPE = '\0',
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REGTYPE = '0',
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LNKTYPE = '1',
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SYMTYPE = '2',
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CHRTYPE = '3',
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BLKTYPE = '4',
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DIRTYPE = '5',
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FIFOTYPE = '6',
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CONTTYPE = '7'
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};
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enum ModeFlag
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{
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TSUID = 04000,
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TSGID = 02000,
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TSVTX = 01000,
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TUREAD = 00400,
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TUWRITE = 00200,
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TUEXEC = 00100,
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TGREAD = 00040,
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TGWRITE = 00020,
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TGEXEC = 00010,
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TOREAD = 00004,
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TOWRITE = 00002,
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TOEXEC = 00001,
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};
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struct FileHeader
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{
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char name[100];
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char mode[8];
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char uid[8];
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char gid[8];
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char size[12];
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char mtime[12];
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char chksum[8];
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char typeflag[1];
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char link[100];
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char signature[6];
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char version[2];
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char owner[32];
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char group[32];
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char dev_maj[8];
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char dev_min[8];
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char prefix[155];
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char pad[12];
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};
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constexpr static int INODE_CHECKSUM = 0x7757A4;
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struct USTARInode
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{
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struct Inode Node;
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FileHeader *Header;
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USTARInode *Parent;
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std::string Name;
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std::string Path;
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std::vector<USTARInode *> Children;
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bool Deleted;
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int Checksum;
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};
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private:
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std::unordered_map<ino_t, USTARInode *> Files;
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inline uint32_t GetSize(const char *String)
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{
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uint32_t ret = 0;
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while (*String)
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{
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ret *= 8;
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ret += *String - '0';
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String++;
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}
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return ret;
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}
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inline int StringToInt(const char *String)
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{
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int ret = 0;
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for (int i = 0; String[i] != '\0'; ++i)
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ret = ret * 10 + String[i] - '0';
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return ret;
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}
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public:
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dev_t DeviceID = -1;
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ino_t NextInode = 0;
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int Lookup(struct Inode *Parent, const char *Name, struct Inode **Result);
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int Create(struct Inode *Parent, const char *Name, mode_t Mode, struct Inode **Result);
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ssize_t Read(struct Inode *Node, void *Buffer, size_t Size, off_t Offset);
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ssize_t ReadDir(struct Inode *Node, struct kdirent *Buffer, size_t Size, off_t Offset, off_t Entries);
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int SymLink(struct Inode *Node, const char *Name, const char *Target, struct Inode **Result);
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ssize_t ReadLink(struct Inode *Node, char *Buffer, size_t Size);
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int Stat(struct Inode *Node, struct kstat *Stat);
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bool TestArchive(uintptr_t Address);
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void ReadArchive(uintptr_t Address, size_t Size);
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USTAR(){};
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~USTAR(){};
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};
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}
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bool TestAndInitializeUSTAR(uintptr_t Address, size_t Size);
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#endif // !__FENNIX_KERNEL_FILESYSTEM_USTAR_H__
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