0515111314
This fixes issues where it did not fit into the first few MiB, or that GRUB loaded it someplace weird. The kernel heap is now also protected against growing into the ramdisk and the kernel stack.
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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initrd.h
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Declares the structure of the Sortix ramdisk.
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******************************************************************************/
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#ifndef SORTIX_INITRD_H
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#define SORTIX_INITRD_H
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namespace Sortix
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{
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namespace InitRD
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{
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struct Header;
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struct FileHeader;
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struct Header
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{
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char magic[16]; // Contains "sortix-initrd-1"
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uint32_t numfiles;
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// FileHeader[numfiles];
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};
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struct FileHeader
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{
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mode_t permissions;
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uid_t owner;
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gid_t group;
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uint32_t size;
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uint32_t offset; // where the physical data is located.
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char name[128];
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};
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struct Trailer
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{
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uint8_t sum; // sum of all bytes but the trailer.
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};
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#ifdef SORTIX_KERNEL
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void Init(addr_t phys, size_t size);
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byte* Open(const char* filepath, size_t* size);
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const char* GetFilename(size_t index);
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size_t GetNumFiles();
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#endif
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}
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}
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#endif
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