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/*
util.h -- amiga partition table headers.
Copyright (C) 1998-2000, 2007, 2009-2014, 2019-2023 Free Software
Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
struct PartitionBlock {
uint32_t pb_ID; /* Identifier 32 bit word : 'PART' */
uint32_t pb_SummedLongs; /* Size of the structure for checksums */
int32_t pb_ChkSum; /* Checksum of the structure */
uint32_t pb_HostID; /* SCSI Target ID of host, not really used */
uint32_t pb_Next; /* Block number of the next PartitionBlock */
uint32_t pb_Flags; /* Part Flags (NOMOUNT and BOOTABLE) */
uint32_t pb_Reserved1[2];
uint32_t pb_DevFlags; /* Preferred flags for OpenDevice */
uint8_t pb_DriveName[32]; /* Preferred DOS device name: BSTR form */
uint32_t pb_Reserved2[15];
uint32_t de_TableSize; /* Size of Environment vector */
uint32_t de_SizeBlock; /* Size of the blocks in 32 bit words, usually 128 */
uint32_t de_SecOrg; /* Not used; must be 0 */
uint32_t de_Surfaces; /* Number of heads (surfaces) */
uint32_t de_SectorPerBlock; /* Disk sectors per block, used with SizeBlock, usually 1 */
uint32_t de_BlocksPerTrack; /* Blocks per track. drive specific */
uint32_t de_Reserved; /* DOS reserved blocks at start of partition. */
uint32_t de_PreAlloc; /* DOS reserved blocks at end of partition */
uint32_t de_Interleave; /* Not used, usually 0 */
uint32_t de_LowCyl; /* First cylinder of the partition */
uint32_t de_HighCyl; /* Last cylinder of the partition */
uint32_t de_NumBuffers; /* Initial # DOS of buffers. */
uint32_t de_BufMemType; /* Type of mem to allocate for buffers */
uint32_t de_MaxTransfer; /* Max number of bytes to transfer at a time */
uint32_t de_Mask; /* Address Mask to block out certain memory */
int32_t de_BootPri; /* Boot priority for autoboot */
uint32_t de_DosType; /* Dostype of the file system */
uint32_t de_Baud; /* Baud rate for serial handler */
uint32_t de_Control; /* Control word for handler/filesystem */
uint32_t de_BootBlocks; /* Number of blocks containing boot code */
uint32_t pb_EReserved[12];
};
#define PART(pos) ((struct PartitionBlock *)(pos))
#define PBFB_BOOTABLE 0 /* this partition is intended to be bootable */
#define PBFF_BOOTABLE 1L /* (expected directories and files exist) */
#define PBFB_NOMOUNT 1 /* do not mount this partition (e.g. manually */
#define PBFF_NOMOUNT 2L /* mounted, but space reserved here) */
struct PartitionBlock * amiga_find_part (PedGeometry *geom, struct PartitionBlock *part);
struct AmigaIds {
uint32_t ID;
struct AmigaIds *next;
};
struct AmigaIds * _amiga_add_id (uint32_t id, struct AmigaIds *ids);
void _amiga_free_ids (struct AmigaIds *ids);
int _amiga_id_in_list (uint32_t id, struct AmigaIds *ids) _GL_ATTRIBUTE_PURE;
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