| 1 | /* |
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| 2 | * hal_gpt.c - implementation of the Generic Page Table API for TSAR-MIPS32 |
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| 3 | * |
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| 4 | * Author Alain Greiner (2016) |
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| 5 | * |
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| 6 | * Copyright (c) UPMC Sorbonne Universites |
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| 7 | * |
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| 8 | * This file is part of ALMOS-MKH. |
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| 9 | * |
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| 10 | * ALMOS-MKH.is free software; you can redistribute it and/or modify it |
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| 11 | * under the terms of the GNU General Public License as published by |
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| 12 | * the Free Software Foundation; version 2.0 of the License. |
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| 13 | * |
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| 14 | * ALMOS-MKH.is distributed in the hope that it will be useful, but |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with ALMOS-MKH.; if not, write to the Free Software Foundation, |
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| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 22 | */ |
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| 23 | |
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| 24 | #include <hal_types.h> |
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| 25 | #include <hal_gpt.h> |
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| 26 | #include <hal_special.h> |
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| 27 | #include <printk.h> |
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| 28 | #include <bits.h> |
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| 29 | #include <process.h> |
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| 30 | #include <kmem.h> |
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| 31 | #include <thread.h> |
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| 32 | #include <cluster.h> |
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| 33 | #include <ppm.h> |
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| 34 | #include <page.h> |
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| 35 | |
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| 36 | /**************************************************************************************** |
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| 37 | * These global variables defines the masks for the Generic Page Table Entry attributes, |
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| 38 | * and must be defined in all GPT implementation. |
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| 39 | ***************************************************************************************/ |
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| 40 | |
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| 41 | uint32_t GPT_MAPPED; |
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| 42 | uint32_t GPT_SMALL; |
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| 43 | uint32_t GPT_READABLE; |
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| 44 | uint32_t GPT_WRITABLE; |
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| 45 | uint32_t GPT_EXECUTABLE; |
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| 46 | uint32_t GPT_CACHABLE; |
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| 47 | uint32_t GPT_USER; |
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| 48 | uint32_t GPT_DIRTY; |
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| 49 | uint32_t GPT_ACCESSED; |
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| 50 | uint32_t GPT_GLOBAL; |
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| 51 | uint32_t GPT_COW; |
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| 52 | uint32_t GPT_SWAP; |
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| 53 | uint32_t GPT_LOCKED; |
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| 54 | |
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| 55 | error_t hal_gpt_create( gpt_t * gpt ) |
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| 56 | { |
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| 57 | return 0; |
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| 58 | } |
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| 59 | |
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| 60 | void hal_gpt_destroy( gpt_t * gpt ) |
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| 61 | { |
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| 62 | |
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| 63 | } |
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| 64 | |
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| 65 | void hal_gpt_print( gpt_t * gpt ) |
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| 66 | { |
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| 67 | |
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| 68 | } |
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| 69 | |
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| 70 | error_t hal_gpt_set_pte( gpt_t * gpt, |
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| 71 | vpn_t vpn, |
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| 72 | ppn_t ppn, |
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| 73 | uint32_t attr ) |
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| 74 | { |
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| 75 | return 0; |
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| 76 | } |
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| 77 | |
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| 78 | void hal_gpt_get_pte( gpt_t * gpt, |
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| 79 | vpn_t vpn, |
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| 80 | uint32_t * attr, |
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| 81 | ppn_t * ppn ) |
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| 82 | { |
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| 83 | |
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| 84 | } |
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| 85 | |
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| 86 | void hal_gpt_reset_pte( gpt_t * gpt, |
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| 87 | vpn_t vpn ) |
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| 88 | { |
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| 89 | |
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| 90 | } |
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| 91 | |
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| 92 | error_t hal_gpt_lock_pte( gpt_t * gpt, |
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| 93 | vpn_t vpn ) |
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| 94 | { |
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| 95 | return 0; |
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| 96 | } |
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| 97 | |
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| 98 | error_t hal_gpt_unlock_pte( gpt_t * gpt, |
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| 99 | vpn_t vpn ) |
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| 100 | { |
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| 101 | return 0; |
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| 102 | } |
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| 103 | |
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| 104 | error_t hal_gpt_copy( gpt_t * dst_gpt, |
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| 105 | gpt_t * src_gpt, |
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| 106 | bool_t cow ) |
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| 107 | { |
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| 108 | return 0; |
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| 109 | } |
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| 110 | |
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