[1] | 1 | /* |
---|
| 2 | * remote.c - implementation of remote access HAL for x86 64 bits |
---|
| 3 | * |
---|
| 4 | * Authors : Mohammed Karaoui / Alain Greiner (2016) |
---|
| 5 | * |
---|
| 6 | * Copyright (c) UPMC Sorbonne Universites |
---|
| 7 | * |
---|
| 8 | * This file is part of ALMOS-kernel. |
---|
| 9 | * |
---|
| 10 | * ALMOS-kernel is free software; you can redistribute it and/or modify it |
---|
| 11 | * under the terms of the GNU General Public License as published by |
---|
| 12 | * the Free Software Foundation; version 2.0 of the License. |
---|
| 13 | * |
---|
| 14 | * ALMOS-kernel is distributed in the hope that it will be useful, but |
---|
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
| 17 | * General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with ALMOS-kernel; if not, write to the Free Software Foundation, |
---|
| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
---|
| 22 | */ |
---|
| 23 | |
---|
| 24 | #if !defined( RUN_IN_PHYSICAL_MODE ) |
---|
| 25 | #error: You must define RUN_IN_PHYSICAL_MODE in arch_config.h file |
---|
| 26 | #endif |
---|
| 27 | |
---|
| 28 | #if ( RUN_IN_PHYSICAL_MODE != yes ) |
---|
| 29 | #error: RUN_IN_PHYSICAL_MODE in arch_config.h file must be no |
---|
| 30 | #endif |
---|
| 31 | |
---|
| 32 | |
---|
| 33 | |
---|
| 34 | ////////////////////////////////////// |
---|
| 35 | inline void cpu_remote_sb( xptr_t xp, |
---|
| 36 | char data ) |
---|
| 37 | { |
---|
| 38 | char * ptr = (char *)xp; |
---|
| 39 | *ptr = data; |
---|
| 40 | } |
---|
| 41 | |
---|
| 42 | //////////////////////////////////////// |
---|
| 43 | inline void cpu_remote_sw( xptr_t xp, |
---|
| 44 | uint32_t data ) |
---|
| 45 | { |
---|
| 46 | uint32_t * ptr = (uint32_t *)xp; |
---|
| 47 | *ptr = data; |
---|
| 48 | } |
---|
| 49 | |
---|
| 50 | ///////////////////////////////////////// |
---|
| 51 | inline void cpu_remote_swd( xptr_t xp, |
---|
| 52 | uint64_t data ) |
---|
| 53 | { |
---|
| 54 | uint64_t * ptr = (uint64_t *)xp; |
---|
| 55 | *ptr = data; |
---|
| 56 | } |
---|
| 57 | |
---|
| 58 | ////////////////////////////////////// |
---|
| 59 | inline char cpu_remote_lb( xptr_t xp ) |
---|
| 60 | { |
---|
| 61 | char * ptr = (char *)xp; |
---|
| 62 | return *ptr; |
---|
| 63 | } |
---|
| 64 | |
---|
| 65 | ////////////////////////////////////////// |
---|
| 66 | inline uint32_t cpu_remote_lw( xptr_t xp ) |
---|
| 67 | { |
---|
| 68 | uint32_t * ptr = (uint32_t *)xp; |
---|
| 69 | return *ptr; |
---|
| 70 | } |
---|
| 71 | |
---|
| 72 | /////////////////////////////////////////// |
---|
| 73 | inline uint64_t cpu_remote_lwd( xptr_t xp ) |
---|
| 74 | { |
---|
| 75 | uint64_t * ptr = (uint64_t *)xp; |
---|
| 76 | return *ptr; |
---|
| 77 | } |
---|
| 78 | |
---|
| 79 | ////////////////////////////////////////////// |
---|
| 80 | inline uint32_t cpu_remote_lw_unc( xptr_t xp ) |
---|
| 81 | { |
---|
| 82 | // TODO not implemented |
---|
| 83 | printk("cpu_remote_lw_unc() function not implemented for x86\n"); |
---|
| 84 | } |
---|
| 85 | |
---|
| 86 | ///////////////////////////////////////////////// |
---|
| 87 | inline bool_t cpu_remote_atomic_cas( xptr_t xp, |
---|
| 88 | uint32_t old, |
---|
| 89 | uint32_t new ) |
---|
| 90 | { |
---|
| 91 | // TODO not implemented |
---|
| 92 | printk("cpu_remote_atomic_cas() function not implemented for x86\n"); |
---|
| 93 | } |
---|
| 94 | |
---|
| 95 | /////////////////////////////////////////////// |
---|
| 96 | inline uint32_t cpu_remote_atomic_add( xptr_t xp, |
---|
| 97 | uint32_t incr ) |
---|
| 98 | { |
---|
| 99 | // TODO not implemented |
---|
| 100 | printk("cpu_remote_atomic_add() function not implemented for x86\n"); |
---|
| 101 | } |
---|
| 102 | |
---|
| 103 | //////////////////////////////////////////////////// |
---|
| 104 | inline error_t cpu_remote_atomic_try_add( xptr_t xp, |
---|
| 105 | uint32_t * old ) |
---|
| 106 | { |
---|
| 107 | // TODO not implemented |
---|
| 108 | printk("cpu_remote_atomic_try_add() function not implemented for x86\n"); |
---|
| 109 | } |
---|
| 110 | |
---|
| 111 | //////////////////////////////////////// |
---|
| 112 | inline void * cpu_remote_memcpy( xptr_t dst, |
---|
| 113 | xptr_t src, |
---|
| 114 | size_t size ) |
---|
| 115 | { |
---|
| 116 | void * dst_ptr = (void *)dst; |
---|
| 117 | void * src_ptr = (void *)src; |
---|
| 118 | return memcpy( dst_ptr , src_ptr , size ); |
---|
| 119 | } |
---|
| 120 | |
---|
| 121 | |
---|