1 | /* |
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2 | * remote.c - implementation of remote access HAL for x86 64 bits |
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3 | * |
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4 | * Authors : Mohammed Karaoui / 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-kernel. |
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9 | * |
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10 | * ALMOS-kernel 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-kernel 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-kernel; 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 | #if !defined( RUN_IN_PHYSICAL_MODE ) |
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25 | #error: You must define RUN_IN_PHYSICAL_MODE in arch_config.h file |
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26 | #endif |
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27 | |
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28 | #if ( RUN_IN_PHYSICAL_MODE != yes ) |
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29 | #error: RUN_IN_PHYSICAL_MODE in arch_config.h file must be no |
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30 | #endif |
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31 | |
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32 | |
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33 | |
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34 | ////////////////////////////////////// |
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35 | inline void cpu_remote_sb( xptr_t xp, |
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36 | char data ) |
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37 | { |
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38 | char * ptr = (char *)xp; |
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39 | *ptr = data; |
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40 | } |
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41 | |
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42 | //////////////////////////////////////// |
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43 | inline void cpu_remote_sw( xptr_t xp, |
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44 | uint32_t data ) |
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45 | { |
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46 | uint32_t * ptr = (uint32_t *)xp; |
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47 | *ptr = data; |
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48 | } |
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49 | |
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50 | ///////////////////////////////////////// |
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51 | inline void cpu_remote_swd( xptr_t xp, |
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52 | uint64_t data ) |
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53 | { |
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54 | uint64_t * ptr = (uint64_t *)xp; |
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55 | *ptr = data; |
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56 | } |
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57 | |
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58 | ////////////////////////////////////// |
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59 | inline char cpu_remote_lb( xptr_t xp ) |
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60 | { |
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61 | char * ptr = (char *)xp; |
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62 | return *ptr; |
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63 | } |
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64 | |
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65 | ////////////////////////////////////////// |
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66 | inline uint32_t cpu_remote_lw( xptr_t xp ) |
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67 | { |
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68 | uint32_t * ptr = (uint32_t *)xp; |
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69 | return *ptr; |
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70 | } |
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71 | |
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72 | /////////////////////////////////////////// |
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73 | inline uint64_t cpu_remote_lwd( xptr_t xp ) |
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74 | { |
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75 | uint64_t * ptr = (uint64_t *)xp; |
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76 | return *ptr; |
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77 | } |
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78 | |
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79 | ////////////////////////////////////////////// |
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80 | inline uint32_t cpu_remote_lw_unc( xptr_t xp ) |
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81 | { |
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82 | // TODO not implemented |
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83 | printk("cpu_remote_lw_unc() function not implemented for x86\n"); |
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84 | } |
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85 | |
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86 | ///////////////////////////////////////////////// |
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87 | inline bool_t cpu_remote_atomic_cas( xptr_t xp, |
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88 | uint32_t old, |
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89 | uint32_t new ) |
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90 | { |
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91 | // TODO not implemented |
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92 | printk("cpu_remote_atomic_cas() function not implemented for x86\n"); |
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93 | } |
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94 | |
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95 | /////////////////////////////////////////////// |
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96 | inline uint32_t cpu_remote_atomic_add( xptr_t xp, |
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97 | uint32_t incr ) |
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98 | { |
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99 | // TODO not implemented |
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100 | printk("cpu_remote_atomic_add() function not implemented for x86\n"); |
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101 | } |
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102 | |
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103 | //////////////////////////////////////////////////// |
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104 | inline error_t cpu_remote_atomic_try_add( xptr_t xp, |
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105 | uint32_t * old ) |
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106 | { |
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107 | // TODO not implemented |
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108 | printk("cpu_remote_atomic_try_add() function not implemented for x86\n"); |
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109 | } |
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110 | |
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111 | //////////////////////////////////////// |
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112 | inline void * cpu_remote_memcpy( xptr_t dst, |
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113 | xptr_t src, |
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114 | size_t size ) |
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115 | { |
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116 | void * dst_ptr = (void *)dst; |
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117 | void * src_ptr = (void *)src; |
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118 | return memcpy( dst_ptr , src_ptr , size ); |
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119 | } |
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120 | |
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121 | |
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