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annotate packages/hal/v85x/ceb_v850/current/src/plf_misc.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //==========================================================================
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2 //
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3 // plf_misc.c
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4 //
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5 // HAL platform miscellaneous functions
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6 //
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7 //==========================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): nickg
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43 // Contributors: nickg, gthomas, jlarmour
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44 // Date: 2000-03-10
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45 // Purpose: HAL miscellaneous functions
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46 // Description: This file contains miscellaneous functions provided by the
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47 // HAL.
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48 //
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49 //####DESCRIPTIONEND####
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50 //
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51 //========================================================================*/
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52
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53 #include <pkgconf/hal.h>
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54
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55 #include <cyg/infra/cyg_type.h> // Base types
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56 #include <cyg/infra/cyg_trac.h> // tracing macros
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57 #include <cyg/infra/cyg_ass.h> // assertion macros
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58
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59 #include <cyg/hal/hal_arch.h> // architectural definitions
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60
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61 #include <cyg/hal/hal_intr.h> // Interrupt handling
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62 #include <cyg/hal/v850_common.h> // Hardware definitions
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63
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64 #include <cyg/hal/hal_if.h> // ROM monitor interfaces
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65
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66 #include <cyg/infra/diag.h> // diag_printf
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67
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68 extern void show_hex4(unsigned long val);
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69 extern void show_hex1(unsigned long val);
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70 extern void show_8bit_reg(void *addr);
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71 extern void show_led(int p);
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72
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73 void
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74 cyg_hal_platform_hardware_init(void)
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75 {
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76 hal_if_init(); // Initialize GDB[ROM]/eCos interfaces
96
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77 show_led(' ');
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78 show_led(' ');
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79 }
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80
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81 void
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82 show_hex4(unsigned long val)
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83 {
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84 show_hex1(val>>24);
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85 show_hex1(val>>16);
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86 show_hex1(val>>8);
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87 show_hex1(val);
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88 }
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89
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90 void
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91 show_hex1(unsigned long val)
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92 {
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93 static char *hex = "0123456789ABCDEF";
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94 show_led(hex[(val & 0xF0) >> 4]);
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95 show_led(hex[val & 0x0F]);
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96 }
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98 void
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99 show_8bit_reg(void *addr)
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100 {
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101 unsigned char *reg = (unsigned char *)addr;
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102 unsigned char val = *reg;
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103 show_led(' ');
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104 show_hex4((unsigned long)reg);
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105 show_led('=');
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106 show_hex1((unsigned long)val);
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107 show_led('/');
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108 }
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109
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110 #define SEG_0 0x00
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111 #define SEG_A 0x01
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112 #define SEG_B 0x02
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113 #define SEG_C 0x04
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114 #define SEG_D 0x08
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115 #define SEG_E 0x10
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116 #define SEG_F 0x20
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117 #define SEG_G 0x40
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118 #define SEG_H 0x80
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119 #define LED(a,b,c,d,e,f,g,h) SEG_##a|SEG_##b|SEG_##c|SEG_##d|SEG_##e|SEG_##f|SEG_##g|SEG_##h
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120
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121 static unsigned char led_bits[] = {
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122 LED(H,0,0,0,0,0,0,0), // 0x20
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123 0x30, // 0x21 !
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124 0x00, // 0x22 @
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125 0x00, // 0x23
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126 0x00, // 0x24
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127 0x00, // 0x25
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128 0x00, // 0x26
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129 0x00, // 0x27
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130 0x00, // 0x28
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131 0x00, // 0x29
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132 0x00, // 0x2A
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133 0x00, // 0x2B
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134 0x00, // 0x2C
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135 0x00, // 0x2D
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136 0x00, // 0x2E
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137 LED(E,G,B,0,0,0,0,0), // 0x2F
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138 LED(A,B,C,D,E,F,0,0), // 0x30
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
139 LED(0,B,C,0,0,0,0,0), // 0x31
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
140 LED(A,B,G,E,D,0,0,0), // 0x32
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
141 LED(A,B,G,C,D,0,0,0), // 0x33
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
142 LED(F,G,B,C,0,0,0,0), // 0x34
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
143 LED(A,F,G,C,D,0,0,0), // 0x35
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
144 LED(A,F,G,C,D,E,0,0), // 0x36
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
145 LED(A,B,C,0,0,0,0,0), // 0x37
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
146 LED(A,B,C,D,E,F,G,0), // 0x38
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
147 LED(A,F,G,B,C,0,0,0), // 0x39
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
148 LED(0,0,0,0,0,0,0,0), // 0x3A
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
149 LED(0,0,0,0,0,0,0,0), // 0x3B
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
150 LED(0,0,0,0,0,0,0,0), // 0x3C
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
151 LED(D,G,0,0,0,0,0,0), // 0x3D - =
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
152 LED(0,0,0,0,0,0,0,0), // 0x3E
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
153 LED(0,0,0,0,0,0,0,0), // 0x3F
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
154 LED(0,0,0,0,0,0,0,0), // 0x40
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
155 LED(A,F,G,B,E,C,0,0), // 0x41 - A
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
156 LED(F,G,E,D,C,0,0,0), // 0x42 - B
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
157 LED(A,F,E,D,0,0,0,0), // 0x43 - C
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
158 LED(B,G,E,D,C,0,0,0), // 0x44 - D
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
159 LED(A,F,G,E,D,0,0,0), // 0x45 - E
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
160 LED(A,F,G,E,0,0,0,0), // 0x46 - F
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
161 LED(0,0,0,0,0,0,0,0), // 0x47
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
162 LED(0,0,0,0,0,0,0,0), // 0x48
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
163 LED(0,0,0,0,0,0,0,0), // 0x49
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
164 LED(0,0,0,0,0,0,0,0), // 0x4A
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
165 LED(0,0,0,0,0,0,0,0), // 0x4B
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
166 LED(0,0,0,0,0,0,0,0), // 0x4C
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
167 LED(0,0,0,0,0,0,0,0), // 0x4D
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
168 LED(0,0,0,0,0,0,0,0), // 0x4E
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
169 LED(0,0,0,0,0,0,0,0), // 0x4F
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
170 LED(0,0,0,0,0,0,0,0), // 0x50
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
171 LED(0,0,0,0,0,0,0,0), // 0x51
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
172 LED(0,0,0,0,0,0,0,0), // 0x52
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
173 LED(0,0,0,0,0,0,0,0), // 0x53
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
174 LED(0,0,0,0,0,0,0,0), // 0x54
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
175 LED(0,0,0,0,0,0,0,0), // 0x55
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
176 LED(0,0,0,0,0,0,0,0), // 0x56
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
177 LED(0,0,0,0,0,0,0,0), // 0x57
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
178 LED(0,0,0,0,0,0,0,0), // 0x58
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
179 LED(0,0,0,0,0,0,0,0), // 0x59
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
180 LED(0,0,0,0,0,0,0,0), // 0x5A
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
181 LED(0,0,0,0,0,0,0,0), // 0x5B
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
182 LED(0,0,0,0,0,0,0,0), // 0x5C
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
183 LED(0,0,0,0,0,0,0,0), // 0x5D
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
184 LED(0,0,0,0,0,0,0,0), // 0x5E
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
185 LED(0,0,0,0,0,0,0,0), // 0x5F
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
186 LED(0,0,0,0,0,0,0,0), // 0x60
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
187 LED(0,0,0,0,0,0,0,0), // 0x61
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
188 LED(0,0,0,0,0,0,0,0), // 0x62
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
189 LED(0,0,0,0,0,0,0,0), // 0x63
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
190 LED(0,0,0,0,0,0,0,0), // 0x64
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
191 LED(0,0,0,0,0,0,0,0), // 0x65
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
192 LED(0,0,0,0,0,0,0,0), // 0x66
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
193 LED(0,0,0,0,0,0,0,0), // 0x67
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
194 LED(0,0,0,0,0,0,0,0), // 0x68
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
195 LED(0,0,0,0,0,0,0,0), // 0x69
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
196 LED(0,0,0,0,0,0,0,0), // 0x6A
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
197 LED(0,0,0,0,0,0,0,0), // 0x6B
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
198 LED(0,0,0,0,0,0,0,0), // 0x6C
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
199 LED(0,0,0,0,0,0,0,0), // 0x6D
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
200 LED(0,0,0,0,0,0,0,0), // 0x6E
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
201 LED(0,0,0,0,0,0,0,0), // 0x6F
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
202 LED(0,0,0,0,0,0,0,0), // 0x70
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
203 LED(0,0,0,0,0,0,0,0), // 0x71
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
204 LED(0,0,0,0,0,0,0,0), // 0x72
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
205 LED(0,0,0,0,0,0,0,0), // 0x73
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
206 LED(0,0,0,0,0,0,0,0), // 0x74
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
207 LED(0,0,0,0,0,0,0,0), // 0x75
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
208 LED(0,0,0,0,0,0,0,0), // 0x76
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
209 LED(0,0,0,0,0,0,0,0), // 0x77
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
210 LED(0,0,0,0,0,0,0,0), // 0x78
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
211 LED(0,0,0,0,0,0,0,0), // 0x79
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
212 LED(0,0,0,0,0,0,0,0), // 0x7A
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
213 LED(0,0,0,0,0,0,0,0), // 0x7B
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
214 LED(0,0,0,0,0,0,0,0), // 0x7C
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
215 LED(0,0,0,0,0,0,0,0), // 0x7D
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
216 LED(A,0,0,0,0,0,0,0), // 0x7E - ~
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
217 LED(0,0,0,0,0,0,0,0), // 0x7F
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
218 };
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
219
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
220 #define DELAY 10000
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
221
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
222 void
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
223 show_led(int p)
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
224 {
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
225 volatile unsigned char *led = (volatile unsigned char *)0xFFFFF014;
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
226 int j;
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
227 for (j = 0; j < DELAY; j++) {
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
228 *led = led_bits[p-0x20];
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
229 }
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
230 for (j = 0; j < DELAY*3; j++) {
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
231 *led = 0;
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
232 }
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
233 }
b15c60e34c84 Merge from eCos master repository on 2000-06-06-05:24:42-BST
jlarmour
parents:
diff changeset
234
103
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
235 void
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
236 FAIL(char *m)
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
237 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
238 static char *fail_reason;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
239 fail_reason = m;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
240 #if 0
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
241 while (1) {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
242 show_led('~');
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
243 show_hex4(m);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
244 show_led('/');
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
245 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
246 #else
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
247 diag_printf("FAIL: %s\n", m);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
248 #endif
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
249 }
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
250
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
251 void
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
252 ALERT(char *m)
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
253 {
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
254 static char *alert_reason;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
255 alert_reason = m;
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
256 #if 0
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
257 show_led('~');
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
258 show_led('~');
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
259 show_hex4(m);
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
260 show_led('/');
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
261 #else
95f3e12a6327 Merge from eCos master repository on 2000-06-23-16:41:10-BST
jlarmour
parents: 96
diff changeset
262 diag_printf("ALERT: %s\n", m);
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jlarmour
parents: 96
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263 #endif
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264 }
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265
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266 //
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267 // Clock support, using 16 bit timer TM1
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268 //
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269
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270 CYG_WORD32 cyg_hal_clock_period;
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271
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272 void
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273 hal_clock_initialize(cyg_int32 period)
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274 {
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275 volatile unsigned char *tmc = (volatile unsigned char *)V850_REG_TMC1;
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276 volatile unsigned char *crc = (volatile unsigned char *)V850_REG_CRC1;
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277 volatile unsigned char *prm = (volatile unsigned char *)V850_REG_PRM10;
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278 volatile unsigned short *cmp0 = (volatile unsigned short *)V850_REG_CR10;
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279 volatile unsigned short *cmp1 = (volatile unsigned short *)V850_REG_CR11;
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280 *tmc = 0x00; // Halt timer
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281 *crc = 0x00; // Select simple compare mode
156
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282 *prm = 0x01; // System clock / 4
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283 *cmp0 = period;
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284 *cmp1 = period;
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285 *tmc = 0x0C; // Continuous, reset mode (interval timer)
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286 cyg_hal_clock_period = period;
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287 }
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288
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289 void
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290 hal_clock_reset(int vector, cyg_uint32 period)
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291 {
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292 hal_clock_initialize(period);
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293 }
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294
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295 //
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296 // Return the number of clock "ticks" since last interrupt
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297 //
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298 cyg_uint32 hal_clock_read(void)
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299 {
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300 volatile unsigned short *timer = (volatile unsigned short *)V850_REG_TM1;
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301 return (cyg_uint32)*timer;
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302 }
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303
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304
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305 extern void _hal_thread_load_context(HAL_SavedRegisters **to)
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306 CYGBLD_ATTRIB_NORET;
96
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307 extern void _hal_thread_switch_context(HAL_SavedRegisters **to, HAL_SavedRegisters **from);
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308
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309 void hal_thread_load_context(CYG_ADDRESS to)
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310 {
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311 HAL_SavedRegisters **new_context = (HAL_SavedRegisters **)to;
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312 #if 0
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313 diag_printf("Load context: %x\n", *new_context);
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314 show_regs(*new_context);
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315 #endif
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316 _hal_thread_load_context(new_context);
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317 }
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318
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319 void hal_thread_switch_context(CYG_ADDRESS to, CYG_ADDRESS from)
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320 {
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321 HAL_SavedRegisters **old_context = (HAL_SavedRegisters **)from;
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322 HAL_SavedRegisters **new_context = (HAL_SavedRegisters **)to;
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323 #if 0
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324 diag_printf("Switch context - old: %x, new: %x\n", *old_context, *new_context);
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325 show_regs(*new_context);
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326 #endif
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327 _hal_thread_switch_context(new_context, old_context);
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328 }
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329