0,0 → 1,64 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
#ifndef __mips_TLB_H__ |
#define __mips_TLB_H__ |
|
struct entry_lo { |
unsigned g : 1; |
unsigned v : 1; |
unsigned d : 1; |
unsigned c : 3; |
unsigned pfn : 24; |
unsigned : 2; |
} __attribute__ ((packed)); |
|
struct entry_hi { |
unsigned asid : 8; |
unsigned : 4; |
unsigned g : 1; |
unsigned vpn2 : 19; |
} __attribute__ ((packed)); |
|
struct page_mask { |
unsigned : 13; |
unsigned mask : 12; |
unsigned : 7; |
} __attribute__ ((packed)); |
|
struct tlb_entry { |
struct entry_lo lo0; |
struct entry_lo lo1; |
struct entry_hi hi; |
struct page_mask mask; |
} __attribute__ ((packed)); |
|
extern void tlb_refill(void); |
extern void tlb_invalid(void); |
|
#endif |