9da2356857
- code is disabled yet as the bootloader doesn't have add_boot_item.. will need to pass via kernel args - add a GetFileMap() method to the vfs, and implement it in FAT code. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28445 a95241bf-73f2-0310-859d-f6bbb57e9c96
80 lines
1.7 KiB
C++
80 lines
1.7 KiB
C++
/*
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* Copyright 2008, François Revol <revol@free.fr>.
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* All rights reserved. Distributed under the terms of the MIT License.
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*/
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#ifndef _BOOT_FILE_MAP_DISK_H
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#define _BOOT_FILE_MAP_DISK_H
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#include <boot/vfs.h>
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#include <boot/partitions.h>
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#define FMAP_FOLDER_NAME "BEOS"
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#define FMAP_IMAGE_NAME "IMAGE.BE"
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//#define FMAP_FOLDER_NAME "HAIKU"
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//#define FMAP_IMAGE_NAME "IMAGE.BFS"
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#define FMAP_MAX_RUNS 128
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struct file_map_run {
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off_t offset;
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off_t block;
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off_t len;
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};
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struct file_map_boot_item {
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int32 block_size;
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int32 num_runs;
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struct file_map_run runs[FMAP_MAX_RUNS];
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};
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#ifdef _BOOT_MODE
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class FileMap {
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public:
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FileMap();
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~FileMap();
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void AddRun(off_t offset, off_t block, off_t len);
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private:
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struct file_map_run fRuns[FMAP_MAX_RUNS];
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};
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class FileMapDisk : public Node {
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public:
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FileMapDisk();
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virtual ~FileMapDisk();
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status_t Init(Node *node/*Partition *partition, FileMap *map, off_t imageSize*/);
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virtual status_t Open(void **_cookie, int mode);
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virtual status_t Close(void *cookie);
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virtual ssize_t ReadAt(void *cookie, off_t pos, void *buffer,
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size_t bufferSize);
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virtual ssize_t WriteAt(void *cookie, off_t pos, const void *buffer,
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size_t bufferSize);
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virtual status_t GetName(char *nameBuffer, size_t bufferSize) const;
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virtual status_t GetFileMap(struct file_map_run *runs, int32 *count);
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virtual off_t Size() const;
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static FileMapDisk *FindAnyFileMapDisk(Directory *volume);
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status_t RegisterFileMapBootItem();
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private:
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Node *fNode;
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/*
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Partition *fPartition;
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FileMap *fMap;
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off_t fImageSize;
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*/
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};
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#endif // _BOOT_MODE
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#endif // _BOOT_FILE_MAP_DISK_H
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