Rev 1702 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 391 | jermar | 1 | /* |
| 2 | * Copyright (C) 2005 Jakub 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 | |||
| 1705 | cejka | 29 | /** @addtogroup mips32mm |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 33 | */ |
||
| 34 | |||
| 703 | jermar | 35 | #include <arch/mm/as.h> |
| 756 | jermar | 36 | #include <genarch/mm/as_pt.h> |
| 830 | jermar | 37 | #include <genarch/mm/asid_fifo.h> |
| 391 | jermar | 38 | #include <arch/mm/tlb.h> |
| 703 | jermar | 39 | #include <mm/tlb.h> |
| 40 | #include <mm/as.h> |
||
| 391 | jermar | 41 | #include <arch/cp0.h> |
| 42 | #include <arch.h> |
||
| 43 | |||
| 756 | jermar | 44 | /** Architecture dependent address space init. */ |
| 45 | void as_arch_init(void) |
||
| 46 | { |
||
| 47 | as_operations = &as_pt_operations; |
||
| 830 | jermar | 48 | asid_fifo_init(); |
| 756 | jermar | 49 | } |
| 50 | |||
| 703 | jermar | 51 | /** Install address space. |
| 391 | jermar | 52 | * |
| 727 | jermar | 53 | * Install ASID. |
| 391 | jermar | 54 | * |
| 703 | jermar | 55 | * @param as Address space structure. |
| 391 | jermar | 56 | */ |
| 703 | jermar | 57 | void as_install_arch(as_t *as) |
| 391 | jermar | 58 | { |
| 396 | jermar | 59 | entry_hi_t hi; |
| 413 | jermar | 60 | ipl_t ipl; |
| 703 | jermar | 61 | |
| 62 | /* |
||
| 63 | * Install ASID. |
||
| 64 | */ |
||
| 396 | jermar | 65 | hi.value = cp0_entry_hi_read(); |
| 391 | jermar | 66 | |
| 413 | jermar | 67 | ipl = interrupts_disable(); |
| 703 | jermar | 68 | spinlock_lock(&as->lock); |
| 69 | hi.asid = as->asid; |
||
| 397 | jermar | 70 | cp0_entry_hi_write(hi.value); |
| 703 | jermar | 71 | spinlock_unlock(&as->lock); |
| 413 | jermar | 72 | interrupts_restore(ipl); |
| 391 | jermar | 73 | } |
| 756 | jermar | 74 | |
| 1702 | cejka | 75 | |
| 76 | /** @} |
||
| 77 | */ |
||
| 78 |