1 | /* |
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2 | * hal_remote.c - implementation of Generic Remote Access API x86 |
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3 | * |
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4 | * Copyright (c) 2017 Maxime Villard |
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5 | * |
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6 | * This file is part of ALMOS-MKH. |
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7 | * |
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8 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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9 | * under the terms of the GNU General Public License as published by |
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10 | * the Free Software Foundation; version 2.0 of the License. |
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11 | * |
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12 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License |
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18 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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20 | */ |
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21 | |
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22 | #include <hal_kernel_types.h> |
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23 | #include <hal_internal.h> |
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24 | |
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25 | #include <string.h> |
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26 | |
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27 | void hal_remote_sb(xptr_t xp, uint8_t data) |
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28 | { |
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29 | *(uint8_t *)xp = data; |
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30 | } |
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31 | |
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32 | void hal_remote_sw(xptr_t xp, uint32_t data) |
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33 | { |
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34 | *(uint32_t *)xp = data; |
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35 | } |
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36 | |
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37 | void hal_remote_swd(xptr_t xp, uint64_t data) |
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38 | { |
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39 | *(uint64_t *)xp = data; |
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40 | } |
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41 | |
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42 | void hal_remote_spt(xptr_t xp, void *pt) |
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43 | { |
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44 | hal_remote_swd(xp, (uint64_t)pt); |
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45 | } |
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46 | |
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47 | uint8_t hal_remote_lb(xptr_t xp) |
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48 | { |
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49 | return *(uint8_t *)xp; |
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50 | } |
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51 | |
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52 | uint32_t hal_remote_lw(xptr_t xp) |
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53 | { |
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54 | return *(uint32_t *)xp; |
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55 | } |
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56 | |
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57 | uint64_t hal_remote_lwd(xptr_t xp) |
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58 | { |
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59 | return *(uint64_t *)xp; |
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60 | } |
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61 | |
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62 | void *hal_remote_lpt(xptr_t xp) |
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63 | { |
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64 | return (void *)hal_remote_lwd(xp); |
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65 | } |
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66 | |
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67 | bool_t hal_remote_atomic_cas(xptr_t xp, uint32_t old, uint32_t new) |
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68 | { |
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69 | return (atomic_cas_32((volatile uint32_t *)xp, old, new) == old); |
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70 | } |
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71 | |
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72 | uint32_t hal_remote_atomic_add(xptr_t xp, uint32_t incr) |
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73 | { |
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74 | return atomic_add_32((volatile uint32_t *)xp, incr); |
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75 | } |
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76 | |
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77 | uint32_t hal_remote_atomic_and(xptr_t xp, uint32_t mask) |
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78 | { |
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79 | return atomic_and_32((volatile uint32_t *)xp, mask); |
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80 | } |
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81 | |
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82 | uint32_t hal_remote_atomic_or(xptr_t xp, uint32_t mask) |
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83 | { |
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84 | return atomic_or_32((volatile uint32_t *)xp, mask); |
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85 | } |
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86 | |
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87 | error_t hal_remote_atomic_try_add(xptr_t xp, uint32_t incr, uint32_t *old) |
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88 | { |
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89 | x86_panic((char *)__func__); |
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90 | return 0; |
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91 | } |
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92 | |
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93 | void hal_remote_memcpy(xptr_t dst, xptr_t src, uint32_t size) |
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94 | { |
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95 | memcpy((void *)dst, (void *)src, size); |
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96 | } |
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97 | |
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98 | void hal_remote_strcpy(xptr_t dst, xptr_t src) |
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99 | { |
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100 | strcpy((void *)dst, (void *)src); |
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101 | } |
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102 | |
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103 | void hal_remote_memset(xptr_t buf_xp, uint8_t byte, uint32_t size) |
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104 | { |
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105 | memset((void *)buf_xp, byte, size); |
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106 | } |
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107 | |
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