annotate packages/hal/arm/e7t/current/src/redboot_module.c @ 3292:7f8e529b4d82 default tip

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 // redboot_module.c
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4 //
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5 // ARM E7T board RedBoot module wrapper
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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.
208
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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): gthomas
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43 // Contributors: gthomas, jskov
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44 // Date: 2001-03-19
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45 // Description: AEB-2 FLASH module for RedBoot
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46 //####DESCRIPTIONEND####
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47
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48 //
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49 // This is the module 'wrapper' for RedBoot
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50 //
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51
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52 #include <pkgconf/hal.h>
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53 #include <cyg/infra/cyg_type.h>
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54 #include <cyg/hal/hal_stub.h>
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55
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56 // ARM AEB-2 module stuff
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57
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58 #ifdef CYGPKG_REDBOOT
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59
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60 #include <redboot.h>
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61
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62 #ifndef CHECKSUM
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63 #define CHECKSUM 0x0
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64 #endif
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65
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66 extern char __exception_handlers, __rom_data_end;
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67
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68 const char __title[] = "RedBoot";
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69 const char __help[] = "RedBoot " __DATE__;
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70
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71 struct ModuleHeader {
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72 cyg_uint32 magic;
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73 cyg_uint16 flags;
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74 cyg_uint8 major;
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75 cyg_uint8 minor;
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76 cyg_uint32 checksum;
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77 cyg_uint32 ro_base;
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78 cyg_uint32 ro_limit;
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79 cyg_uint32 rw_base;
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80 cyg_uint32 zi_base;
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81 cyg_uint32 zi_limit;
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82 cyg_uint32 self;
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83 cyg_uint32 start;
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84 cyg_uint32 init;
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85 cyg_uint32 final;
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86 cyg_uint32 service;
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87 cyg_uint32 title;
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88 cyg_uint32 help;
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89 cyg_uint32 cmdtbl;
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90 cyg_uint32 swi_base;
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91 cyg_uint32 swi_handler;
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92 };
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93
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94 const static struct ModuleHeader __hdr = {
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95 0x4D484944, // MHID
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96 2, // flags = auto start
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97 1, // major
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98 0, // minor
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99 CHECKSUM, // checksum
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100 (cyg_uint32) &__exception_handlers, // start of module (read-only) image
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101 (cyg_uint32) &__rom_data_end, // end of image
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102 0, // r/w base - unused
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103 0, // bss base - unused
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104 0, // bss limit - unused
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105 (cyg_uint32) &__hdr, // self (for module identification)
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106 (cyg_uint32) &__exception_handlers, // startup
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107 0, // init - unused
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108 0, // final - unused
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109 0, // service - unused
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110 (cyg_uint32) &__title, // title
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111 (cyg_uint32) &__help, // help string
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112 0, // command table - unused
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113 0, // SWI table - unused
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114 0 // SWI handler - unused
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115 };
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116
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117 static void
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118 __dummy(void *p)
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119 {
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120 }
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121
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122 void __dummy_init(void)
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123 {
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124 __dummy((void*)&__hdr);
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125 }
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126
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127 _RedBoot_init(__dummy_init, RedBoot_INIT_LAST);
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128
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129
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130 #else
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131 #error "Stand-alone RedBoot only"
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132 #endif