| 0,0 → 1,86 |
|---|
| /* |
| * Copyright (c) 2006 Martin Decky |
| * 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. |
| */ |
| |
| /** @addtogroup ppc32mm |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef KERN_ppc32_TLB_H_ |
| #define KERN_ppc32_TLB_H_ |
| |
| #include <arch/interrupt.h> |
| #include <arch/types.h> |
| #include <typedefs.h> |
| |
| #define WIMG_GUARDED 0x01 |
| #define WIMG_COHERENT 0x02 |
| #define WIMG_NO_CACHE 0x04 |
| #define WIMG_WRITETHRU 0x08 |
| |
| typedef struct { |
| unsigned v : 1; /**< Valid */ |
| unsigned vsid : 24; /**< Virtual Segment ID */ |
| unsigned h : 1; /**< Primary/secondary hash */ |
| unsigned api : 6; /**< Abbreviated Page Index */ |
| unsigned rpn : 20; /**< Real Page Number */ |
| unsigned reserved0 : 3; |
| unsigned r : 1; /**< Reference */ |
| unsigned c : 1; /**< Change */ |
| unsigned wimg : 4; /**< Access control */ |
| unsigned reserved1 : 1; |
| unsigned pp : 2; /**< Page protection */ |
| } phte_t; |
| |
| typedef struct { |
| unsigned v : 1; |
| unsigned vsid : 24; |
| unsigned reserved0 : 1; |
| unsigned api : 6; |
| } ptehi_t; |
| |
| typedef struct { |
| unsigned rpn : 20; |
| unsigned xpn : 3; |
| unsigned reserved0 : 1; |
| unsigned c : 1; |
| unsigned wimg : 4; |
| unsigned x : 1; |
| unsigned pp : 2; |
| } ptelo_t; |
| |
| extern void pht_init(void); |
| extern void pht_refill(int n, istate_t *istate); |
| extern bool pht_refill_real(int n, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
| extern void tlb_refill_real(int n, uint32_t tlbmiss, ptehi_t ptehi, ptelo_t ptelo, istate_t *istate) __attribute__ ((section("K_UNMAPPED_TEXT_START"))); |
| |
| #endif |
| |
| /** @} |
| */ |