Rev 2071 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 391 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
| 391 | jermar | 3 | * All rights reserved. |
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 1888 | jermar | 29 | /** @addtogroup ia64mm |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_ia64_ASID_H_ |
| 36 | #define KERN_ia64_ASID_H_ |
||
| 391 | jermar | 37 | |
| 869 | vana | 38 | #ifndef __ASM__ |
| 39 | |||
| 727 | jermar | 40 | #include <arch/types.h> |
| 391 | jermar | 41 | |
| 1780 | jermar | 42 | typedef uint16_t asid_t; |
| 43 | typedef uint32_t rid_t; |
||
| 391 | jermar | 44 | |
| 901 | jermar | 45 | #endif /* __ASM__ */ |
| 46 | |||
| 741 | jermar | 47 | /** |
| 753 | jermar | 48 | * Number of ia64 RIDs (Region Identifiers) per kernel ASID. |
| 49 | * Note that some architectures may support more bits, |
||
| 50 | * but those extra bits are not used by the kernel. |
||
| 741 | jermar | 51 | */ |
| 740 | jermar | 52 | #define RIDS_PER_ASID 7 |
| 901 | jermar | 53 | |
| 753 | jermar | 54 | #define RID_MAX 262143 /* 2^18 - 1 */ |
| 901 | jermar | 55 | #define RID_KERNEL 0 |
| 56 | #define RID_INVALID 1 |
||
| 740 | jermar | 57 | |
| 901 | jermar | 58 | #define ASID2RID(asid, vrn) (((asid)>RIDS_PER_ASID)?(((asid)*RIDS_PER_ASID)+(vrn)):(asid)) |
| 749 | jermar | 59 | #define RID2ASID(rid) ((rid)/RIDS_PER_ASID) |
| 60 | |||
| 753 | jermar | 61 | #define ASID_MAX_ARCH (RID_MAX/RIDS_PER_ASID) |
| 727 | jermar | 62 | |
| 391 | jermar | 63 | #endif |
| 1702 | cejka | 64 | |
| 1888 | jermar | 65 | /** @} |
| 1702 | cejka | 66 | */ |