apio
dc766e1da7
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VFS functions now accept a single Process* pointer instead of credentials and groups. There is now a distinction between processes and threads Now to fix all the bugs... waitpid crashes the process with an NX error...
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
#include "InitRD.h"
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#include "Log.h"
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#include "arch/MMU.h"
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#include "boot/bootboot.h"
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#include "fs/VFS.h"
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#include "memory/MemoryManager.h"
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#include "thread/Thread.h"
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#include <bits/modes.h>
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#include <luna/Common.h>
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TarStream g_initrd;
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extern const BOOTBOOT bootboot;
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void InitRD::initialize()
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{
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u64 virtual_initrd_address = MMU::translate_physical_address(bootboot.initrd_ptr);
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g_initrd.initialize((void*)virtual_initrd_address, bootboot.initrd_size);
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}
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static Result<void> vfs_create_dir_if_not_exists(const char* path, mode_t mode)
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{
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auto rc = VFS::create_directory(path, mode & (mode_t)~S_IFMT, nullptr);
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if (rc.has_error())
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{
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if (rc.error() == EEXIST) return {};
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return rc.release_error();
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}
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auto dir = rc.value();
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return {};
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}
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Result<void> InitRD::populate_vfs()
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{
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TarStream::Entry entry;
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while (TRY(g_initrd.read_next_entry(entry)))
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{
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if (entry.type == TarStream::EntryType::RegularFile)
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{
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auto file = TRY(VFS::create_file(entry.name.chars(), entry.mode & (mode_t)~S_IFMT, nullptr));
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file->write(entry.data(), 0, entry.size);
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}
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else if (entry.type == TarStream::EntryType::Directory)
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{
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TRY(vfs_create_dir_if_not_exists(entry.name.chars(), entry.mode));
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}
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}
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// Now we don't need the original initrd anymore
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MemoryManager::free_frames(bootboot.initrd_ptr, ceil_div(bootboot.initrd_size, ARCH_PAGE_SIZE));
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return {};
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}
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