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| Rev | Author | Line No. | Line |
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| 756 | jermar | 1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 1860 | jermar | 29 | /** @addtogroup sparc64mm |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 756 | jermar | 35 | #include <arch/mm/as.h> |
| 1860 | jermar | 36 | #include <arch/mm/tlb.h> |
| 756 | jermar | 37 | #include <genarch/mm/as_ht.h> |
| 830 | jermar | 38 | #include <genarch/mm/asid_fifo.h> |
| 756 | jermar | 39 | |
| 40 | /** Architecture dependent address space init. */ |
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| 41 | void as_arch_init(void) |
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| 42 | { |
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| 43 | as_operations = &as_ht_operations; |
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| 830 | jermar | 44 | asid_fifo_init(); |
| 756 | jermar | 45 | } |
| 1702 | cejka | 46 | |
| 1860 | jermar | 47 | void as_install_arch(as_t *as) |
| 48 | { |
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| 49 | tlb_context_reg_t ctx; |
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| 50 | |||
| 51 | /* |
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| 52 | * Write ASID to secondary context register. |
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| 53 | * The primary context register has to be set |
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| 54 | * from TL>0 so it will be filled from the |
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| 55 | * secondary context register from the TL=1 |
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| 56 | * code just before switch to userspace. |
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| 57 | */ |
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| 58 | ctx.v = 0; |
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| 59 | ctx.context = as->asid; |
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| 60 | mmu_secondary_context_write(ctx.v); |
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| 61 | } |
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| 62 | |||
| 63 | /** @} |
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| 1702 | cejka | 64 | */ |