Last change
on this file since 9165349d was
80cf60e,
checked in by Sebastian Huber <sebastian.huber@…>, on 04/15/20 at 07:48:32
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Canonicalize config.h include
Use the following variant which was already used by most source files:
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
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-
Property mode set to
100644
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File size:
2.2 KB
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Line | |
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1 | /* |
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2 | * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved. |
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3 | * |
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4 | * embedded brains GmbH |
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5 | * Dornierstr. 4 |
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6 | * 82178 Puchheim |
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7 | * Germany |
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8 | * <rtems@embedded-brains.de> |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifdef HAVE_CONFIG_H |
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16 | #include "config.h" |
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17 | #endif |
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18 | |
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19 | #include <rtems/asm.h> |
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20 | #include <rtems/score/cpu.h> |
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21 | |
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22 | .global _CPU_Context_volatile_clobber |
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23 | |
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24 | _CPU_Context_volatile_clobber: |
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25 | |
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26 | #ifdef PPC_MULTILIB_FPU |
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27 | .macro CLOBBER_F i |
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28 | addi r4, r3, 0x100 + \i |
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29 | stw r4, 32(r1) |
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30 | addi r4, r3, 0x200 + \i |
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31 | stw r4, 32 + 4(r1) |
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32 | lfd \i, 32(r1) |
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33 | .endm |
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34 | |
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35 | PPC_REG_STORE_UPDATE r1, -96(r1) |
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36 | |
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37 | /* Negate FPSCR[FPRF] bits */ |
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38 | mffs f0 |
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39 | stfd f0, 32(r1) |
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40 | lwz r0, 36(r1) |
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41 | nor r3, r0, r0 |
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42 | rlwinm r0, r0, 0, 20, 14 |
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43 | rlwinm r3, r3, 0, 15, 19 |
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44 | or r0, r3, r0 |
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45 | stw r0, 36(r1) |
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46 | lfd f0, 32(r1) |
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47 | mtfsf 0xff, f0 |
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48 | |
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49 | CLOBBER_F 0 |
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50 | CLOBBER_F 1 |
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51 | CLOBBER_F 2 |
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52 | CLOBBER_F 3 |
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53 | CLOBBER_F 4 |
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54 | CLOBBER_F 5 |
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55 | CLOBBER_F 6 |
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56 | CLOBBER_F 7 |
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57 | CLOBBER_F 8 |
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58 | CLOBBER_F 9 |
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59 | CLOBBER_F 10 |
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60 | CLOBBER_F 11 |
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61 | CLOBBER_F 12 |
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62 | CLOBBER_F 13 |
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63 | addi r1, r1, 96 |
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64 | #endif |
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65 | |
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66 | #ifdef PPC_MULTILIB_ALTIVEC |
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67 | .macro CLOBBER_V i |
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68 | addi r4, r3, 0x300 + \i |
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69 | stw r4, 32(r1) |
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70 | addi r4, r3, 0x400 + \i |
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71 | stw r4, 32 + 4(r1) |
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72 | addi r4, r3, 0x500 + \i |
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73 | stw r4, 32 + 8(r1) |
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74 | addi r4, r3, 0x600 + \i |
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75 | stw r4, 32 + 12(r1) |
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76 | li r4, 32 |
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77 | lvx \i, r1, r4 |
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78 | .endm |
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79 | |
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80 | PPC_REG_STORE_UPDATE r1, -96(r1) |
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81 | |
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82 | /* Negate VSCR[SAT] bit */ |
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83 | mfvscr v0 |
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84 | li r3, 44 |
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85 | stvewx v0, r1, r3 |
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86 | lwz r0, 44(r1) |
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87 | nor r3, r0, r0 |
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88 | rlwinm r0, r0, 0, 0, 30 |
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89 | rlwinm r3, r3, 0, 31, 31 |
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90 | or r0, r3, r0 |
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91 | stw r0, 44(r1) |
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92 | li r3, 44 |
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93 | lvewx v0, r1, r3 |
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94 | mtvscr v0 |
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95 | |
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96 | CLOBBER_V 0 |
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97 | CLOBBER_V 1 |
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98 | CLOBBER_V 2 |
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99 | CLOBBER_V 3 |
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100 | CLOBBER_V 4 |
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101 | CLOBBER_V 5 |
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102 | CLOBBER_V 6 |
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103 | CLOBBER_V 7 |
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104 | CLOBBER_V 8 |
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105 | CLOBBER_V 9 |
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106 | CLOBBER_V 10 |
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107 | CLOBBER_V 11 |
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108 | CLOBBER_V 12 |
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109 | CLOBBER_V 13 |
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110 | CLOBBER_V 14 |
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111 | CLOBBER_V 15 |
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112 | CLOBBER_V 16 |
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113 | CLOBBER_V 17 |
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114 | CLOBBER_V 18 |
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115 | CLOBBER_V 19 |
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116 | addi r1, r1, 96 |
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117 | #endif |
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118 | |
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119 | addi r4, r3, 10 |
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120 | rlwinm r4, r4, 0, 20, 7 |
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121 | mfcr r5 |
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122 | rlwinm r5, r5, 0, 8, 19 |
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123 | or r4, r4, r5 |
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124 | mtcr r4 |
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125 | addi r4, r3, 11 |
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126 | mtctr r4 |
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127 | addi r4, r3, 12 |
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128 | mtxer r4 |
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129 | addi r0, r3, 13 |
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130 | addi r4, r3, 1 |
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131 | addi r5, r3, 2 |
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132 | addi r6, r3, 3 |
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133 | addi r7, r3, 4 |
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134 | addi r8, r3, 5 |
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135 | addi r9, r3, 6 |
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136 | addi r10, r3, 7 |
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137 | addi r11, r3, 8 |
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138 | addi r12, r3, 9 |
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139 | blr |
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