Use disk.inc from kolibri. Compiles, doesn't work.
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disk.inc
203
disk.inc
@ -1,203 +0,0 @@
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2011-2015. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 6917 $
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; =============================================================================
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; ================================= Constants =================================
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; =============================================================================
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; Error codes for callback functions.
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DISK_STATUS_OK = 0 ; success
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DISK_STATUS_GENERAL_ERROR = -1; if no other code is suitable
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DISK_STATUS_INVALID_CALL = 1 ; invalid input parameters
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DISK_STATUS_NO_MEDIA = 2 ; no media present
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DISK_STATUS_END_OF_MEDIA = 3 ; end of media while reading/writing data
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DISK_STATUS_NO_MEMORY = 4 ; insufficient memory for driver operation
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; Driver flags. Represent bits in DISK.DriverFlags.
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DISK_NO_INSERT_NOTIFICATION = 1
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; Media flags. Represent bits in DISKMEDIAINFO.Flags.
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DISK_MEDIA_READONLY = 1
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; If too many partitions are detected,there is probably an error on the disk.
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; 256 partitions should be enough for any reasonable use.
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; Also, the same number is limiting the number of MBRs to process; if
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; too many MBRs are visible,there probably is a loop in the MBR structure.
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MAX_NUM_PARTITIONS = 256
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; This structure holds information on a medium.
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; Objects with this structure are allocated by the kernel as a part of the DISK
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; structure and are filled by a driver in the 'querymedia' callback.
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struct DISKMEDIAINFO
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Flags dd ?
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; Combination of DISK_MEDIA_* bits.
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SectorSize dd ?
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; Size of the sector.
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Capacity dq ?
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; Size of the media in sectors.
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ends
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; This structure represents the disk cache. To follow the old implementation,
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; there are two distinct caches for a disk, one for "system" data,and the other
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; for "application" data.
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struct DISKCACHE
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; The following fields are inherited from data32.inc:cache_ideX.
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pointer dd ?
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data_size dd ? ; unused
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data dd ?
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sad_size dd ?
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search_start dd ?
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sector_size_log dd ?
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ends
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; This structure represents a disk device and its media for the kernel.
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; This structure is allocated by the kernel in the 'disk_add' function,
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; freed in the 'disk_dereference' function.
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struct DISK
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; Fields of disk object
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Next dd ?
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Prev dd ?
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; All disk devices are linked in one list with these two fields.
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; Head of the list is the 'disk_list' variable.
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Functions dd ?
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; Pointer to the 'DISKFUNC' structure with driver functions.
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Name dd ?
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; Pointer to the string used for accesses through the global filesystem.
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UserData dd ?
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; This field is passed to all callback functions so a driver can decide which
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; physical device is addressed.
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DriverFlags dd ?
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; Bitfield. Currently only DISK_NO_INSERT_NOTIFICATION bit is defined.
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; If it is set, the driver will never issue 'disk_media_changed' notification
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; with argument set to true, so the kernel must try to detect media during
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; requests from the file system.
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RefCount dd ?
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; Count of active references to this structure. One reference is kept during
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; the lifetime of the structure between 'disk_add' and 'disk_del'.
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; Another reference is taken during any filesystem operation for this disk.
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; One reference is added if media is inserted.
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; The structure is destroyed when the reference count decrements to zero:
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; this usually occurs in 'disk_del', but can be delayed to the end of last
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; filesystem operation, if one is active.
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MediaLock MUTEX
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; Lock to protect the MEDIA structure. See the description after
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; 'disk_list_mutex' for the locking strategy.
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; Fields of media object
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MediaInserted db ?
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; 0 if media is not inserted, nonzero otherwise.
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MediaUsed db ?
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; 0 if media fields are not used, nonzero otherwise. If .MediaRefCount is
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; nonzero, this field is nonzero too; however, when .MediaRefCount goes
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; to zero, there is some time interval during which media object is still used.
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dw ? ; padding
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; The following fields are not valid unless either .MediaInserted is nonzero
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; or they are accessed from a code which has obtained the reference when
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; .MediaInserted was nonzero.
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MediaRefCount dd ?
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; Count of active references to the media object. One reference is kept during
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; the lifetime of the media between two calls to 'disk_media_changed'.
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; Another reference is taken during any filesystem operation for this media.
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; The callback 'closemedia' is called when the reference count decrements to
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; zero: this usually occurs in 'disk_media_changed', but can be delayed to the
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; end of the last filesystem operation, if one is active.
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MediaInfo DISKMEDIAINFO
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; This field keeps information on the current media.
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NumPartitions dd ?
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; Number of partitions on this media.
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Partitions dd ?
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; Pointer to array of .NumPartitions pointers to PARTITION structures.
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cache_size dd ?
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; inherited from cache_ideX_size
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CacheLock MUTEX
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; Lock to protect both caches.
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SysCache DISKCACHE
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AppCache DISKCACHE
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; Two caches for the disk.
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ends
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; This structure represents one partition for the kernel. This is a base
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; template, the actual contents after common fields is determined by the
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; file system code for this partition.
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struct PARTITION
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FirstSector dq ?
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; First sector of the partition.
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Length dq ?
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; Length of the partition in sectors.
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Disk dd ?
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; Pointer to parent DISK structure.
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FSUserFunctions dd ?
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; Handlers for the sysfunction 70h. This field is a pointer to the following
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; array. The first dword is pointer to disconnect handler.
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; The first dword is a number of supported subfunctions, other dwords
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; point to handlers of corresponding subfunctions.
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; ...fs-specific data may follow...
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ends
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; This is an external structure, it represents an entry in the partition table.
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struct PARTITION_TABLE_ENTRY
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Bootable db ?
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; 80h = bootable partition, 0 = non-bootable partition, other values = invalid
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FirstHead db ?
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FirstSector db ?
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FirstTrack db ?
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; Coordinates of first sector in CHS.
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Type db ?
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; Partition type, one of predefined constants. 0 = empty, several types denote
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; extended partition (see process_partition_table_entry), we are not interested
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; in other values.
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LastHead db ?
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LastSector db ?
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LastTrack db ?
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; Coordinates of last sector in CHS.
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FirstAbsSector dd ?
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; Coordinate of first sector in LBA.
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Length dd ?
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; Length of the partition in sectors.
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ends
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; GUID Partition Table Header, UEFI 2.6, Table 18
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struct GPTH
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Signature rb 8
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; 'EFI PART'
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Revision dd ?
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; 0x00010000
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HeaderSize dd ?
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; Size of this header in bytes, must fit to one sector.
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HeaderCRC32 dd ?
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; Set this field to zero, compute CRC32 via 0xEDB88320, compare.
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Reserved dd ?
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; Must be zero.
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MyLBA dq ?
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; LBA of the sector containing this GPT header.
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AlternateLBA dq ?
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; LBA of the sector containing the other GPT header.
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; AlternateLBA of Primary GPTH points to Backup one and vice versa.
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FirstUsableLBA dq ?
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; Only sectors between first and last UsableLBA may form partitions
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LastUsableLBA dq ?
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DiskGUID rb 16
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; Globally Unique IDentifier
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PartitionEntryLBA dq ?
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; First LBA of Partition Entry Array.
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; Length in bytes is computed as a product of two following fields.
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NumberOfPartitionEntries dd ?
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; Actual number of partitions depends on the contents of Partition Entry Array.
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; A partition entry is unused if zeroed.
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SizeOfPartitionEntry dd ? ; in bytes
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PartitionEntryArrayCRC32 dd ?
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; Same CRC as for GPT header.
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ends
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; GPT Partition Entry, UEFI 2.6, Table 19
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struct GPE
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PartitionTypeGUID rb 16
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UniquePartitionGUID rb 16
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StartingLBA dq ?
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EndingLBA dq ?
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; Length in sectors is EndingLBA - StartingLBA + 1.
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Attributes dq ?
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PartitionName rb 72
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ends
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142
fs_common.inc
142
fs_common.inc
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License. ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 6462 $
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fsReadCMOS:
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out 70h, al
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in al, 71h
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xor ah, ah
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shl ax, 4
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shr al, 4
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aad
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ret
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fsGetTime:
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mov al, 7
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call fsReadCMOS
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ror eax, 8
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mov al, 8
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call fsReadCMOS
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ror eax, 8
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mov al, 9
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call fsReadCMOS
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add eax, 2000
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ror eax, 16
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push eax
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xor eax, eax
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call fsReadCMOS
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ror eax, 8
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mov al, 2
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call fsReadCMOS
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ror eax, 8
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mov al, 4
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call fsReadCMOS
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ror eax, 16
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push eax
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mov esi, esp
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add esp, 8
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fsCalculateTime:
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; in: esi -> data block
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; out: eax = seconds since 01.01.2001
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movzx eax, word [esi+6]
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sub eax, 2001
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jnc @f
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xor eax, eax
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@@:
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mov edx, months
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mov ebx, eax
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inc eax
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test eax, 3
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jnz @f
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add edx, 12
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@@:
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movzx eax, byte [esi+5]
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dec eax
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xor ecx, ecx
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@@:
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dec eax
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js @f
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add cl, [edx+eax]
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adc ch, 0
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jmp @b
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@@:
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mov eax, ebx ; years
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mov edx, 365
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mul edx
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shr ebx, 2
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add eax, ebx
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add eax, ecx
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mov bl, [esi+4]
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dec eax
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add eax, ebx ; days
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mov dl, 24
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mul edx
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mov bl, [esi+2]
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add eax, ebx ; hours
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mov ecx, 60
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mul ecx
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mov bl, [esi+1]
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add eax, ebx ; minutes
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mul ecx
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mov bl, [esi]
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add eax, ebx
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ret
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;iglobal
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months db 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
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months2 db 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
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;endg
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fsTime2bdfe:
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; in: eax = seconds since 01.01.2001
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; edi -> data block
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; out: edi = edi+8
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xor edx, edx
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mov ecx, 60
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div ecx
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mov [edi], dl
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xor edx, edx
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div ecx
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mov [edi+1], dl
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xor edx, edx
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mov cl, 24
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div ecx
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mov [edi+2], dx
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xor edx, edx
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mov cx, 365
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div ecx
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mov ebx, eax
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add ebx, 2001
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shr eax, 2
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sub edx, eax
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jns @f
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dec ebx
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add edx, 365
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test ebx, 3
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jnz @f
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inc edx
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@@:
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xor eax, eax
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mov ecx, months-1
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test ebx, 3
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jnz @f
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add ecx, 12
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@@:
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inc ecx
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inc eax
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sub dl, [ecx]
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jnc @b
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dec dh
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jns @b
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add dl, [ecx]
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inc edx
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mov [edi+4], dl
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mov [edi+5], al
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mov [edi+6], bx
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add edi, 8
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ret
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256
kocdecl.asm
256
kocdecl.asm
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format ELF
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__DEBUG__ = 0
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__DEBUG__ = 1
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__DEBUG_LEVEL__ = 1
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include 'macros.inc'
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@ -9,22 +9,10 @@ include 'struct.inc'
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include 'const.inc'
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include 'system.inc'
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include 'debug-fdo.inc'
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include 'disk.inc'
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include 'fs_common.inc'
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ERROR_SUCCESS = 0
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ERROR_DISK_BASE = 1
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ERROR_UNSUPPORTED_FS = 2
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ERROR_UNKNOWN_FS = 3
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ERROR_PARTITION = 4
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ERROR_FILE_NOT_FOUND = 5
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ERROR_END_OF_FILE = 6
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ERROR_MEMORY_POINTER = 7
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ERROR_DISK_FULL = 8
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ERROR_FS_FAIL = 9
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ERROR_ACCESS_DENIED = 10
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ERROR_DEVICE = 11
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ERROR_OUT_OF_MEMORY = 12
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include 'blkdev/disk.inc'
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include 'blkdev/disk_cache.inc'
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include 'fs/fs_lfn.inc'
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include 'crc.inc'
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struct FS_FUNCTIONS
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Free dd ?
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@ -66,26 +54,21 @@ kos_fuse_init:
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mov eax, [esp + 0x14]
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mov [fd], eax
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mov eax, 0
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mov ebx, mbr_buffer
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mov ebp, partition
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call fs_read32_sys
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mov [file_disk.Size], 65536
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stdcall disk_add, disk_functions, disk_name, file_disk, DISK_NO_INSERT_NOTIFICATION
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mov [disk], eax
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stdcall disk_media_changed, [disk], 1
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mov esi, disk
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mov [esi + DISK.MediaInfo.SectorSize], 512
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mov ebp, partition
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mov [ebp + PARTITION.Disk], esi
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mov ebx, mbr_buffer
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call xfs_create_partition
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test eax, eax
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jnz @f
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mov eax, [disk]
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cmp [eax + DISK.NumPartitions], 0
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jnz .done
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mov eax, SYS_WRITE
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mov ebx, STDOUT
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mov ecx, msg_not_xfs_partition
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mov edx, msg_not_xfs_partition.size
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mov ecx, msg_no_partition
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mov edx, msg_no_partition.size
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int 0x80
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xor eax, eax
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@@:
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.done:
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mov [fs_struct], eax
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pop ebp edi esi ebx
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@ -169,7 +152,7 @@ kos_fuse_read:
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mov ebx, sf70_params
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mov esi, eax
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push 0
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call xfs_ReadFile
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call xfs_Read
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pop eax
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pop ebp edi esi ebx
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@ -177,10 +160,36 @@ kos_fuse_read:
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ret
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proc disk_read stdcall, userdata, buffer, startsector:qword, numsectors
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pushad
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mov eax, dword[startsector + 0] ; sector lo
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mov edx, dword[startsector + 4] ; sector hi
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imul ecx, eax, 512
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mov eax, SYS_LSEEK
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mov ebx, [fd]
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mov edx, SEEK_SET
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int 0x80
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DEBUGF 1, "lseek: %x\n", eax
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popad
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pushad
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mov eax, SYS_READ
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mov ebx, [fd]
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mov ecx, [buffer]
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mov edx, [numsectors]
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mov edx, [edx]
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imul edx, 512
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int 0x80
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DEBUGF 1, "read: %d\n", eax
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popad
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movi eax, DISK_STATUS_OK
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ret
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endp
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; in: eax = sector, ebx = buffer, ebp = pointer to PARTITION structure
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fs_read32_sys:
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proc disk_write stdcall, userdata, buffer, startsector:qword, numsectors
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ud2
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pushad
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imul ecx, eax, 512
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add ecx, 2048*512
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@ -192,49 +201,32 @@ fs_read32_sys:
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popad
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pushad
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mov eax, SYS_READ
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mov eax, SYS_WRITE
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mov ecx, ebx
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mov ebx, [fd]
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mov edx, 512
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int 0x80
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;DEBUGF 1, "read: %d\n", eax
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;DEBUGF 1, "write: %d\n", eax
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popad
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xor eax, eax
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movi eax, DISK_STATUS_OK
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ret
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endp
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fs_read32_app:
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ret
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fs_read64_sys:
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pushad
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imul ecx, eax, 512
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add ecx, 2048*512
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mov eax, SYS_LSEEK
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mov ebx, [fd]
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mov edx, SEEK_SET
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int 0x80
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;DEBUGF 1, "lseek: %x\n", eax
|
||||
popad
|
||||
|
||||
pushad
|
||||
mov eax, SYS_READ
|
||||
imul edx, ecx, 512
|
||||
mov ecx, ebx
|
||||
mov ebx, [fd]
|
||||
int 0x80
|
||||
;DEBUGF 1, "read: %d\n", eax
|
||||
popad
|
||||
|
||||
xor eax, eax
|
||||
ret
|
||||
|
||||
|
||||
fs_read64_app:
|
||||
; int querymedia(void* userdata, DISKMEDIAINFO* info);
|
||||
proc disk_querymedia stdcall, hd_data, mediainfo
|
||||
mov ecx, [mediainfo]
|
||||
mov [ecx + DISKMEDIAINFO.Flags], 0
|
||||
mov [ecx + DISKMEDIAINFO.SectorSize], 512
|
||||
mov eax, [hd_data]
|
||||
mov eax, dword[eax + FILE_DISK.Size + 0]
|
||||
mov dword [ecx + DISKMEDIAINFO.Capacity], eax
|
||||
mov dword [ecx + DISKMEDIAINFO.Capacity + 4], 0
|
||||
|
||||
movi eax, DISK_STATUS_OK
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
malloc:
|
||||
@ -243,10 +235,31 @@ malloc:
|
||||
pop eax
|
||||
ret
|
||||
|
||||
proc kernel_alloc _size
|
||||
mov eax, [_size]
|
||||
call malloc
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
proc alloc_kernel_space _size
|
||||
mov eax, [_size]
|
||||
call malloc
|
||||
ret
|
||||
endp
|
||||
|
||||
proc alloc_pages _size
|
||||
shl eax, 12
|
||||
call malloc
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
|
||||
|
||||
free:
|
||||
ret
|
||||
|
||||
|
||||
kernel_free:
|
||||
ret
|
||||
|
||||
@ -268,27 +281,114 @@ put_board:
|
||||
popad
|
||||
ret
|
||||
|
||||
align 16 ;very often call this subrutine
|
||||
memmove: ; memory move in bytes
|
||||
; eax = from
|
||||
; ebx = to
|
||||
; ecx = no of bytes
|
||||
test ecx, ecx
|
||||
jle .ret
|
||||
|
||||
;include 'ext.inc'
|
||||
include 'xfs.asm'
|
||||
push esi edi ecx
|
||||
|
||||
mov edi, ebx
|
||||
mov esi, eax
|
||||
|
||||
test ecx, not 11b
|
||||
jz @f
|
||||
|
||||
push ecx
|
||||
shr ecx, 2
|
||||
rep movsd
|
||||
pop ecx
|
||||
and ecx, 11b
|
||||
jz .finish
|
||||
;--------------------------------------
|
||||
align 4
|
||||
@@:
|
||||
rep movsb
|
||||
;--------------------------------------
|
||||
align 4
|
||||
.finish:
|
||||
pop ecx edi esi
|
||||
;--------------------------------------
|
||||
align 4
|
||||
.ret:
|
||||
ret
|
||||
|
||||
|
||||
sys_msg_board_str:
|
||||
protect_from_terminate:
|
||||
unprotect_from_terminate:
|
||||
change_task:
|
||||
ReadCDWRetr:
|
||||
WaitUnitReady:
|
||||
prevent_medium_removal:
|
||||
Read_TOC:
|
||||
commit_pages:
|
||||
release_pages:
|
||||
ret
|
||||
|
||||
proc fs_execute
|
||||
; edx = flags
|
||||
; ecx -> cmdline
|
||||
; ebx -> absolute file path
|
||||
; eax = string length
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
section '.data' writeable align 16
|
||||
include_debug_strings
|
||||
disk_functions:
|
||||
dd disk_functions_end - disk_functions
|
||||
dd 0
|
||||
dd 0
|
||||
dd disk_querymedia
|
||||
dd disk_read
|
||||
dd disk_write
|
||||
dd 0
|
||||
dd 0
|
||||
disk_functions_end:
|
||||
|
||||
partition_offset dd 2048*512
|
||||
struct FILE_DISK
|
||||
Size dd ?
|
||||
ends
|
||||
|
||||
file_disk FILE_DISK
|
||||
|
||||
;partition_offset dd 2048*512
|
||||
alloc_pos dd alloc_base
|
||||
sf70_params rd 6
|
||||
msg_not_xfs_partition db 'not XFS partition',0x0a ; TODO: return codes, report in C
|
||||
msg_not_xfs_partition.size = $ - msg_not_xfs_partition
|
||||
msg_no_partition db 'no partition detected',0x0a
|
||||
msg_no_partition.size = $ - msg_no_partition
|
||||
disk_name db 'hd',0
|
||||
current_slot dd ?
|
||||
pg_data PG_DATA
|
||||
ide_channel1_mutex MUTEX
|
||||
ide_channel2_mutex MUTEX
|
||||
ide_channel3_mutex MUTEX
|
||||
ide_channel4_mutex MUTEX
|
||||
ide_channel5_mutex MUTEX
|
||||
ide_channel6_mutex MUTEX
|
||||
ide_channel7_mutex MUTEX
|
||||
ide_channel8_mutex MUTEX
|
||||
IncludeIGlobals
|
||||
|
||||
|
||||
section '.bss' writeable align 16
|
||||
mbr_buffer rb 4096*3
|
||||
;mbr_buffer rb 4096*3
|
||||
DiskNumber db ?
|
||||
ChannelNumber db ?
|
||||
DevErrorCode dd ?
|
||||
CDSectorAddress dd ?
|
||||
CDDataBuf_pointer dd ?
|
||||
DRIVE_DATA: rb 0x4000
|
||||
cdpos dd ?
|
||||
cd_appl_data rd 1
|
||||
fd rd 1
|
||||
partition PARTITION
|
||||
disk DISK
|
||||
alloc_base rb 1024*1024
|
||||
disk dd ?
|
||||
alloc_base rb 4*1024*1024
|
||||
fs_struct rd 1
|
||||
sf70_buffer rb 1024*1024
|
||||
IncludeUGlobals
|
||||
|
||||
4
makefile
4
makefile
@ -11,8 +11,8 @@ kofu: kofu.o kocdecl.o
|
||||
kofuse: kofuse.o kocdecl.o
|
||||
$(CC) $(LDFLAGS) $^ -o $@ `pkg-config fuse3 --libs`
|
||||
|
||||
kocdecl.o: kocdecl.asm kocdecl.h $(KERNEL_TRUNK)/fs/xfs.inc $(KERNEL_TRUNK)/fs/xfs.asm
|
||||
INCLUDE="$(KERNEL_TRUNK);$(KERNEL_TRUNK)/fs" $(FASM) $< $@
|
||||
kocdecl.o: kocdecl.asm kocdecl.h $(KERNEL_TRUNK)/fs/ext.inc $(KERNEL_TRUNK)/fs/xfs.inc $(KERNEL_TRUNK)/fs/xfs.asm
|
||||
INCLUDE="$(KERNEL_TRUNK);$(KERNEL_TRUNK)/fs;$(KERNEL_TRUNK)/blkdev" $(FASM) $< $@ -m 123456
|
||||
|
||||
kofu.o: kofu.c kocdecl.h
|
||||
$(CC) $(CFLAGS) -c $<
|
||||
|
||||
Loading…
Reference in New Issue
Block a user