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EnderIce2
557c7e6235
This is the fourth time re-writing the VFS, hope this will be the last. Tried to make it as modular as possible so this won't be necessary in the future. 🙏
This change required the entire kernel code to be modified.
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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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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#include "kernel.h"
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#include <fs/ustar.hpp>
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#include <memory.hpp>
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vfs::Virtual *fs = nullptr;
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void SearchForInitrd()
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{
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for (size_t i = 0; i < MAX_MODULES; i++)
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{
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uintptr_t moduleAddress = (uintptr_t)bInfo.Modules[i].Address;
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size_t moduleSize = bInfo.Modules[i].Size;
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const char *moduleCommand = bInfo.Modules[i].CommandLine;
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if (moduleAddress == 0)
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continue;
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Memory::Virtual vmm;
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if (!vmm.CheckRegion((void *)moduleAddress, moduleSize))
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{
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warn("module entry is not mapped!");
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vmm.Map((void *)moduleAddress, (void *)moduleAddress, moduleSize, Memory::RW);
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}
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if (strcmp(moduleCommand, "rootfs") == 0)
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{
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KPrint("rootfs found at %#lx", moduleAddress);
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if (TestAndInitializeUSTAR(moduleAddress, moduleSize, 0))
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continue;
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}
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}
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}
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EXTERNC nif void KernelVFS()
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{
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KPrint("Initializing Virtual File System");
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fs = new vfs::Virtual;
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SearchForInitrd();
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fs->Initialize();
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}
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