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annotate packages/hal/arm/e7t/current/src/redboot_module.c @ 157:b65ec671dd4c

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Merge from eCos master repository on 2001-04-06-18:28:36-BST
author jlarmour
date Fri, 06 Apr 2001 19:06:06 +0000
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children e0c0827131d1
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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 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): gthomas
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35 // Contributors: gthomas, jskov
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36 // Date: 2001-03-19
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37 // Description: AEB-2 FLASH module for RedBoot
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38 //####DESCRIPTIONEND####
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39
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40 //
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41 // This is the module 'wrapper' for RedBoot
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42 //
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43
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44 #include <pkgconf/hal.h>
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45 #include <cyg/infra/cyg_type.h>
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46 #include <cyg/hal/hal_stub.h>
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47
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48 // ARM AEB-2 module stuff
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49
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50 #ifdef CYGPKG_REDBOOT
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51
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52 #include <redboot.h>
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53
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54 #ifndef CHECKSUM
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55 #define CHECKSUM 0x0
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56 #endif
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57
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58 extern char __exception_handlers, __rom_data_end;
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59
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60 const char __title[] = "RedBoot";
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61 const char __help[] = "RedBoot " __DATE__;
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62
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63 struct ModuleHeader {
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64 cyg_uint32 magic;
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65 cyg_uint16 flags;
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66 cyg_uint8 major;
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67 cyg_uint8 minor;
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68 cyg_uint32 checksum;
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69 cyg_uint32 ro_base;
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70 cyg_uint32 ro_limit;
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71 cyg_uint32 rw_base;
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72 cyg_uint32 zi_base;
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73 cyg_uint32 zi_limit;
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74 cyg_uint32 self;
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75 cyg_uint32 start;
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76 cyg_uint32 init;
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77 cyg_uint32 final;
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78 cyg_uint32 service;
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79 cyg_uint32 title;
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80 cyg_uint32 help;
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81 cyg_uint32 cmdtbl;
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82 cyg_uint32 swi_base;
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83 cyg_uint32 swi_handler;
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84 };
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85
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86 const static struct ModuleHeader __hdr = {
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87 0x4D484944, // MHID
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88 2, // flags = auto start
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89 1, // major
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90 0, // minor
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91 CHECKSUM, // checksum
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92 (cyg_uint32) &__exception_handlers, // start of module (read-only) image
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93 (cyg_uint32) &__rom_data_end, // end of image
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94 0, // r/w base - unused
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95 0, // bss base - unused
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96 0, // bss limit - unused
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97 (cyg_uint32) &__hdr, // self (for module identification)
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98 (cyg_uint32) &__exception_handlers, // startup
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99 0, // init - unused
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100 0, // final - unused
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101 0, // service - unused
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102 (cyg_uint32) &__title, // title
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103 (cyg_uint32) &__help, // help string
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104 0, // command table - unused
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105 0, // SWI table - unused
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106 0 // SWI handler - unused
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107 };
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108
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109 static void
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110 __dummy(void *p)
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111 {
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112 }
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113
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114 void __dummy_init(void)
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115 {
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116 __dummy((void*)&__hdr);
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117 }
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118
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119 _RedBoot_init(__dummy_init, RedBoot_INIT_LAST);
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120
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121
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122 #else
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123 #error "Stand-alone RedBoot only"
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124 #endif