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annotate packages/redboot/current/src/main.c @ 1364:19f40f995cc2

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Fix GDB exceptions - broken on 10/23
author gthomas
date Thu, 13 Nov 2003 15:48:01 +0000
parents afd4dd211d3a
children 1bc2e99ec44b
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 // main.c
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4 //
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5 // RedBoot main routine
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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, 2003 Red Hat, Inc.
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12 // Copyright (C) 2002, 2003 Gary Thomas
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13 //
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14 // eCos is free software; you can redistribute it and/or modify it under
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15 // the terms of the GNU General Public License as published by the Free
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16 // Software Foundation; either version 2 or (at your option) any later version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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19 // 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 along
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24 // with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use macros
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28 // or inline functions from this file, or you compile this file and link it
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29 // with other works to produce a work based on this file, this file does not
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30 // by itself cause the resulting work to be covered by the GNU General Public
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31 // License. However the source code for this file must still be made available
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32 // in accordance with section (3) of the GNU General Public License.
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33 //
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34 // This exception does not invalidate any other reasons why a work based on
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35 // this file might be covered by the GNU General Public License.
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36 //
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37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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38 // at http://sources.redhat.com/ecos/ecos-license/
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39 // -------------------------------------------
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40 //####ECOSGPLCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): gthomas
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45 // Contributors: gthomas, tkoeller
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46 // Date: 2000-07-14
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47 // Purpose:
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48 // Description:
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49 //
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50 // This code is part of RedBoot (tm).
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //==========================================================================
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55
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56 #define DEFINE_VARS
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57 #include <redboot.h>
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58 #include <cyg/hal/hal_arch.h>
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59 #include <cyg/hal/hal_intr.h>
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60 #include <cyg/hal/hal_if.h>
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61 #include <cyg/hal/hal_cache.h>
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62 #include CYGHWR_MEMORY_LAYOUT_H
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63
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64 #ifdef CYGPKG_IO_ETH_DRIVERS
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65 #include <cyg/io/eth/eth_drv.h> // Logical driver interfaces
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66 #endif
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67
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68 #include <cyg/hal/hal_tables.h>
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69
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70 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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71 #ifdef CYGBLD_HAL_PLATFORM_STUB_H
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72 #include CYGBLD_HAL_PLATFORM_STUB_H
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73 #else
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74 #include <cyg/hal/plf_stub.h>
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75 #endif
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76 // GDB interfaces
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77 extern void breakpoint(void);
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78 #endif
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79
132
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80 // Builtin Self Test (BIST)
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81 externC void bist(void);
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82
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83 // Path to code run from a go command or to GDB stubs
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84 static void trampoline(unsigned long entry);
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85
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86 // Return path for code run from a go command or for GDB stubs
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87 static void return_to_redboot(int status);
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88
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89 // Address of area where current context is saved before executing
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90 // trampoline procedure
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91 static void * saved_context;
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92
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93 // Status returned after trampoline execution
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94 static int return_status;
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95
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96
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97 // CLI command processing (defined in this file)
138
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98 RedBoot_cmd("version",
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99 "Display RedBoot version information",
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100 "",
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101 do_version
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102 );
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103 RedBoot_cmd("help",
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104 "Help about help?",
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105 "[<topic>]",
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106 do_help
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107 );
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108 RedBoot_cmd("go",
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109 "Execute code at a location",
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110 "[-w <timeout>] [entry]",
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111 do_go
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112 );
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113 #ifdef HAL_PLATFORM_RESET
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114 RedBoot_cmd("reset",
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115 "Reset the system",
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116 "",
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117 do_reset
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118 );
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119 #endif
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120 #ifdef CYGSEM_REDBOOT_VARIABLE_BAUD_RATE
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121 RedBoot_cmd("baudrate",
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122 "Set/Query the system console baud rate",
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123 "[-b <rate>]",
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124 do_baud_rate
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125 );
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126 #endif
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127
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128 // Define table boundaries
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129 CYG_HAL_TABLE_BEGIN( __RedBoot_INIT_TAB__, RedBoot_inits );
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130 CYG_HAL_TABLE_END( __RedBoot_INIT_TAB_END__, RedBoot_inits );
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131 extern struct init_tab_entry __RedBoot_INIT_TAB__[], __RedBoot_INIT_TAB_END__;
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132
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133 CYG_HAL_TABLE_BEGIN( __RedBoot_CMD_TAB__, RedBoot_commands );
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134 CYG_HAL_TABLE_END( __RedBoot_CMD_TAB_END__, RedBoot_commands );
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135 extern struct cmd __RedBoot_CMD_TAB__[], __RedBoot_CMD_TAB_END__;
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136
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137 CYG_HAL_TABLE_BEGIN( __RedBoot_IDLE_TAB__, RedBoot_idle );
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138 CYG_HAL_TABLE_END( __RedBoot_IDLE_TAB_END__, RedBoot_idle );
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139 extern struct idle_tab_entry __RedBoot_IDLE_TAB__[], __RedBoot_IDLE_TAB_END__;
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140
141
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141 #ifdef HAL_ARCH_PROGRAM_NEW_STACK
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142 extern void HAL_ARCH_PROGRAM_NEW_STACK(void *fun);
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143 #endif
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144
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145 //
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146 // [Null] Builtin [Power On] Self Test
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147 //
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148 void bist(void) CYGBLD_ATTRIB_WEAK;
160
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149
138
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150 void
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151 bist(void)
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152 {
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153 }
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154
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155 //
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156 // 'version' command
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157 //
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158 void
138
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159 do_version(int argc, char *argv[])
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160 {
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161 #if CYGBLD_REDBOOT_MAX_MEM_SEGMENTS > 1
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162 int seg;
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163 #endif
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164 #ifdef CYGPKG_REDBOOT_FLASH
171
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165 externC void _flash_info(void);
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166 #endif
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167 char *version = CYGACC_CALL_IF_MONITOR_VERSION();
171
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168
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169 diag_printf(version);
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170 #ifdef HAL_PLATFORM_CPU
182
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171 diag_printf("Platform: %s (%s) %s\n", HAL_PLATFORM_BOARD, HAL_PLATFORM_CPU, HAL_PLATFORM_EXTRA);
138
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172 #endif
202
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173 diag_printf("Copyright (C) 2000, 2001, 2002, Red Hat, Inc.\n\n");
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174 diag_printf("RAM: %p-%p, ", (void*)ram_start, (void*)ram_end);
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175 diag_printf("[%p-%p]", mem_segments[0].start, mem_segments[0].end);
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176 diag_printf(" available\n");
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177 #if CYGBLD_REDBOOT_MAX_MEM_SEGMENTS > 1
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178 for (seg = 1; seg < CYGBLD_REDBOOT_MAX_MEM_SEGMENTS; seg++) {
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179 if (mem_segments[seg].start != NO_MEMORY) {
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180 diag_printf(" %p-%p, ", mem_segments[seg].start, mem_segments[seg].end);
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181 diag_printf("[%p-%p]", mem_segments[seg].start, mem_segments[seg].end);
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182 diag_printf(" available\n");
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183 }
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184 }
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185 #endif
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186 #ifdef CYGPKG_REDBOOT_FLASH
171
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187 _flash_info();
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188 #endif
156
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189 }
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190
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191 //
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192 // This function is called when RedBoot is idle (waiting for user
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193 // input). It will call any registered "idle" routines, e.g. scan
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194 // for incoming network connections, blank an LCD screen, etc.
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195 //
156
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196 void
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197 do_idle(bool is_idle)
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198 {
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199 struct idle_tab_entry *idle_entry;
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200
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201 for (idle_entry = __RedBoot_IDLE_TAB__;
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202 idle_entry != &__RedBoot_IDLE_TAB_END__; idle_entry++) {
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203 (*idle_entry->fun)(is_idle);
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204 }
138
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205 }
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206
182
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207 // Wrapper used by diag_printf()
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208 static void
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209 _mon_write_char(char c, void **param)
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210 {
210
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211 if (c == '\n') {
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212 mon_write_char('\r');
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213 }
182
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214 mon_write_char(c);
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215 }
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216
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217 //
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218 // Handle illegal memory accesses (and other abort conditions)
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219 //
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220 static hal_jmp_buf error_jmpbuf;
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221 externC void* volatile __mem_fault_handler;
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222
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223 static void error_handler(void)
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224 {
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225 hal_longjmp(error_jmpbuf, 1);
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226 }
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227
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228
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229 //
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230 // This is the main entry point for RedBoot
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231 //
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232 void
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233 cyg_start(void)
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234 {
143
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235 int res = 0;
115
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236 bool prompt = true;
143
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237 static char line[CYGPKG_REDBOOT_MAX_CMD_LINE];
183
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238 char *command;
115
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239 struct cmd *cmd;
156
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240 int cur;
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241 struct init_tab_entry *init_entry;
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242 extern char RedBoot_version[];
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243 #if CYGBLD_REDBOOT_MAX_MEM_SEGMENTS > 1
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244 int seg;
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245 #endif
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246
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247 // Export version information
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248 CYGACC_CALL_IF_MONITOR_VERSION_SET(RedBoot_version);
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249
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250 CYGACC_CALL_IF_MONITOR_RETURN_SET(return_to_redboot);
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251
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252 // Make sure the channels are properly initialized.
182
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253 diag_init_putc(_mon_write_char);
156
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254 hal_if_diag_init();
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255
156
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256 // Force console to output raw text - but remember the old setting
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257 // so it can be restored if interaction with a debugger is
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258 // required.
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259 cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
151
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260 CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_HAL_VIRTUAL_VECTOR_DEBUG_CHANNEL);
115
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261 #ifdef CYGPKG_REDBOOT_ANY_CONSOLE
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262 console_selected = false;
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263 #endif
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264 console_echo = true;
159
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265 CYGACC_CALL_IF_DELAY_US((cyg_int32)2*100000);
115
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266
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267 ram_start = (unsigned char *)CYGMEM_REGION_ram;
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268 ram_end = (unsigned char *)(CYGMEM_REGION_ram+CYGMEM_REGION_ram_SIZE);
150
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269 #ifdef HAL_MEM_REAL_REGION_TOP
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270 {
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271 unsigned char *ram_end_tmp = ram_end;
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272 ram_end = HAL_MEM_REAL_REGION_TOP( ram_end_tmp );
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273 }
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274 #endif
156
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275 #ifdef CYGMEM_SECTION_heap1
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276 workspace_start = (unsigned char *)CYGMEM_SECTION_heap1;
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277 workspace_end = (unsigned char *)(CYGMEM_SECTION_heap1+CYGMEM_SECTION_heap1_SIZE);
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278 workspace_size = CYGMEM_SECTION_heap1_SIZE;
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279 #else
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280 workspace_start = (unsigned char *)CYGMEM_REGION_ram;
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281 workspace_end = (unsigned char *)(CYGMEM_REGION_ram+CYGMEM_REGION_ram_SIZE);
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282 workspace_size = CYGMEM_REGION_ram_SIZE;
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283 #endif
115
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284
158
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285 if ( ram_end < workspace_end ) {
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286 // when *less* SDRAM is installed than the possible maximum,
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287 // but the heap1 region remains greater...
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288 workspace_end = ram_end;
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289 workspace_size = workspace_end - workspace_start;
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290 }
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291
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292 // Nothing has ever been loaded into memory
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293 entry_address = NO_MEMORY;
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294
132
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295 bist();
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296
307
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297 #ifdef CYGOPT_REDBOOT_FIS_ZLIB_COMMON_BUFFER
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298 fis_zlib_common_buffer =
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299 workspace_end -= CYGNUM_REDBOOT_FIS_ZLIB_COMMON_BUFFER_SIZE;
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300 #endif
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301
126
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302 for (init_entry = __RedBoot_INIT_TAB__; init_entry != &__RedBoot_INIT_TAB_END__; init_entry++) {
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303 (*init_entry->fun)();
115
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304 }
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305
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306 mem_segments[0].start = workspace_start;
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307 mem_segments[0].end = workspace_end;
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308 #if CYGBLD_REDBOOT_MAX_MEM_SEGMENTS > 1
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309 for (seg = 1; seg < CYGBLD_REDBOOT_MAX_MEM_SEGMENTS; seg++) {
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310 cyg_plf_memory_segment(seg, &mem_segments[seg].start, &mem_segments[seg].end);
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311 }
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312 #endif
191
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313
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314 #ifdef CYGSEM_REDBOOT_PLF_STARTUP
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315 cyg_plf_redboot_startup();
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316 #endif
156
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317 do_version(0,0);
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318
159
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319 #ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
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320 # ifdef CYGDAT_REDBOOT_DEFAULT_BOOT_SCRIPT
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321 if (!script) {
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322 script = CYGDAT_REDBOOT_DEFAULT_BOOT_SCRIPT;
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323 # ifndef CYGSEM_REDBOOT_FLASH_CONFIG
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324 script_timeout = CYGNUM_REDBOOT_BOOT_SCRIPT_DEFAULT_TIMEOUT;
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325 # endif
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326 }
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327 # endif
115
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328 if (script) {
159
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329 // Give the guy a chance to abort any boot script
115
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330 unsigned char *hold_script = script;
159
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331 int script_timeout_ms = script_timeout * CYGNUM_REDBOOT_BOOT_SCRIPT_TIMEOUT_RESOLUTION;
182
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332 diag_printf("== Executing boot script in %d.%03d seconds - enter ^C to abort\n",
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333 script_timeout_ms/1000, script_timeout_ms%1000);
115
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334 script = (unsigned char *)0;
156
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335 res = _GETS_CTRLC; // Treat 0 timeout as ^C
151
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336 while (script_timeout_ms >= CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT) {
182
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337 res = _rb_gets(line, sizeof(line), CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT);
158
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338 if (res >= _GETS_OK) {
182
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339 diag_printf("== Executing boot script in %d.%03d seconds - enter ^C to abort\n",
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340 script_timeout_ms/1000, script_timeout_ms%1000);
143
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341 continue; // Ignore anything but ^C
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342 }
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343 if (res != _GETS_TIMEOUT) break;
151
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344 script_timeout_ms -= CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT;
143
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345 }
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346 if (res == _GETS_CTRLC) {
115
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347 script = (unsigned char *)0; // Disable script
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348 } else {
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349 script = hold_script; // Re-enable script
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350 }
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351 }
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352 #endif
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353
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354 while (true) {
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355 if (prompt) {
182
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356 diag_printf("RedBoot> ");
115
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357 prompt = false;
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358 }
195
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359 #if CYGNUM_REDBOOT_CMD_LINE_EDITING != 0
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360 cmd_history = true; // Enable history collection
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361 #endif
182
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362 res = _rb_gets(line, sizeof(line), CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT);
195
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363 #if CYGNUM_REDBOOT_CMD_LINE_EDITING != 0
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364 cmd_history = false; // Enable history collection
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365 #endif
143
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366 if (res == _GETS_TIMEOUT) {
115
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367 // No input arrived
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368 } else {
162
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369 #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
143
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370 if (res == _GETS_GDB) {
156
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371 int dbgchan;
161
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372 hal_virtual_comm_table_t *__chan;
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diff changeset
373 int i;
115
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374 // Special case of '$' - need to start GDB protocol
151
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375 gdb_active = true;
161
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376 // Mask interrupts on all channels
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377 for (i = 0; i < CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS; i++) {
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378 CYGACC_CALL_IF_SET_CONSOLE_COMM(i);
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379 __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
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380 CYGACC_COMM_IF_CONTROL( *__chan, __COMMCTL_IRQ_DISABLE );
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381 }
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382
115
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383 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
1002
609c8b1447ee HAL enhancements from Pierre Habraken
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diff changeset
384
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diff changeset
385 // set up a temporary context that will take us to the trampoline
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386 HAL_THREAD_INIT_CONTEXT((CYG_ADDRESS)workspace_end,
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diff changeset
387 breakpoint, trampoline, 0);
609c8b1447ee HAL enhancements from Pierre Habraken
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388
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diff changeset
389 // switch context to trampoline (get GDB stubs started)
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390 HAL_THREAD_SWITCH_CONTEXT(&saved_context, &workspace_end);
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391
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392 gdb_active = false;
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diff changeset
393
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394 dbgchan = CYGACC_CALL_IF_SET_DEBUG_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
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395 CYGACC_CALL_IF_SET_CONSOLE_COMM(dbgchan);
162
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396 } else
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397 #endif // CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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398 {
160
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399 expand_aliases(line, sizeof(line));
183
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400 command = (char *)&line;
195
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401 if ((*command == '#') || (*command == '=')) {
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diff changeset
402 // Special cases
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403 if (*command == '=') {
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diff changeset
404 // Print line on console
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405 diag_printf("%s\n", &line[2]);
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406 }
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407 } else {
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408 while (strlen(command) > 0) {
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409 if ((cmd = parse(&command, &argc, &argv[0])) != (struct cmd *)0) {
1328
afd4dd211d3a Attempt to handle illegal memory accesses and other abort conditions
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410 // Try to handle aborts - messy because of the stack unwinding...
afd4dd211d3a Attempt to handle illegal memory accesses and other abort conditions
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411 __mem_fault_handler = error_handler;
afd4dd211d3a Attempt to handle illegal memory accesses and other abort conditions
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412 if (hal_setjmp(error_jmpbuf)) {
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413 diag_printf("** command abort - illegal memory access?\n");
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414 } else {
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415 (cmd->fun)(argc, argv);
afd4dd211d3a Attempt to handle illegal memory accesses and other abort conditions
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416 }
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417 __mem_fault_handler = 0;
195
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418 } else {
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419 diag_printf("** Error: Illegal command: \"%s\"\n", argv[0]);
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420 }
115
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421 }
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422 }
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423 prompt = true;
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424 }
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425 }
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426 }
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427 }
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428
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429 void
208
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jlarmour
parents: 202
diff changeset
430 show_help(struct cmd *cmd, struct cmd *cmd_end, char *which, char *pre)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
431 {
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jlarmour
parents: 202
diff changeset
432 bool show;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
433 int len = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
434
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
435 if (which) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
436 len = strlen(which);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
437 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
438 while (cmd != cmd_end) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
439 show = true;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
440 if (which && (strncasecmp(which, cmd->str, len) != 0)) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
441 show = false;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
442 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
443 if (show) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
444 diag_printf("%s\n %s %s %s\n", cmd->help, pre, cmd->str, cmd->usage);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
445 if ((cmd->sub_cmds != (struct cmd *)0) && (which != (char *)0)) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
446 show_help(cmd->sub_cmds, cmd->sub_cmds_end, 0, cmd->str);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
447 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
448 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
449 cmd++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
450 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST
jlarmour
parents: 202
diff changeset
451 }
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
452
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
453 void
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
454 do_help(int argc, char *argv[])
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
455 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
456 struct cmd *cmd;
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 150
diff changeset
457 char *which = (char *)0;
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
458
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 150
diff changeset
459 if (!scan_opts(argc, argv, 1, 0, 0, (void **)&which, OPTION_ARG_TYPE_STR, "<topic>")) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 174
diff changeset
460 diag_printf("Invalid argument\n");
151
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 150
diff changeset
461 return;
25e238959bae Merge from eCos master repository on 2001-02-12-23:44:24-GMT
jlarmour
parents: 150
diff changeset
462 }
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
463 cmd = __RedBoot_CMD_TAB__;
208
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jlarmour
parents: 202
diff changeset
464 show_help(cmd, &__RedBoot_CMD_TAB_END__, which, "");
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
465 return;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
466 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
467
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
468 static void
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
469 trampoline(unsigned long entry)
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
470 {
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
471 typedef void code_fun(void);
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
472 code_fun *fun = (code_fun *)entry;
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
473 unsigned long oldints;
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
474
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
475 HAL_DISABLE_INTERRUPTS(oldints);
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
476
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
477 #ifdef HAL_ARCH_PROGRAM_NEW_STACK
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
478 HAL_ARCH_PROGRAM_NEW_STACK(fun);
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
479 #else
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
480 (*fun)();
f2b5df359050 Support return to redboot from go
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parents: 447
diff changeset
481 #endif
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
482
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
483 HAL_THREAD_LOAD_CONTEXT(&saved_context);
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
484 }
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
485
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
486 static void
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
487 return_to_redboot(int status)
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
488 {
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
489 CYGARC_HAL_SAVE_GP();
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
490
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
491 return_status = status;
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
492 HAL_THREAD_LOAD_CONTEXT(&saved_context);
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
493 // never returns
566
17d4ac30ee71 return_to_redboot tweak
msalter
parents: 556
diff changeset
494
17d4ac30ee71 return_to_redboot tweak
msalter
parents: 556
diff changeset
495 // need this to balance above CYGARC_HAL_SAVE_GP on
17d4ac30ee71 return_to_redboot tweak
msalter
parents: 556
diff changeset
496 // some platforms. It will never run, though.
17d4ac30ee71 return_to_redboot tweak
msalter
parents: 556
diff changeset
497 CYGARC_HAL_RESTORE_GP();
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
498 }
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
499
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
500 void
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
501 do_go(int argc, char *argv[])
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
502 {
908
6aa5728bb6a0 go command tweak
msalter
parents: 907
diff changeset
503 int i, cur, num_options;
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
504 unsigned long entry;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
505 unsigned long oldints;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
506 bool wait_time_set;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
507 int wait_time, res;
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
508 bool cache_enabled = false;
913
3c59fd67ae50 * src/main.c (do_go): Silence unused variable warning when no net.
jlarmour
parents: 908
diff changeset
509 #ifdef CYGPKG_IO_ETH_DRIVERS
907
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
510 bool stop_net = false;
913
3c59fd67ae50 * src/main.c (do_go): Silence unused variable warning when no net.
jlarmour
parents: 908
diff changeset
511 #endif
907
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
512 struct option_info opts[3];
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
513 char line[8];
907
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
514 hal_virtual_comm_table_t *__chan;
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
515
1364
19f40f995cc2 Fix GDB exceptions - broken on 10/23
gthomas
parents: 1328
diff changeset
516 __mem_fault_handler = 0; // Let GDB handle any faults directly
196
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents: 195
diff changeset
517 entry = entry_address; // Default from last 'load' operation
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
518 init_opts(&opts[0], 'w', true, OPTION_ARG_TYPE_NUM,
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
519 (void **)&wait_time, (bool *)&wait_time_set, "wait timeout");
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
520 init_opts(&opts[1], 'c', false, OPTION_ARG_TYPE_FLG,
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
521 (void **)&cache_enabled, (bool *)0, "go with caches enabled");
908
6aa5728bb6a0 go command tweak
msalter
parents: 907
diff changeset
522 num_options = 2;
6aa5728bb6a0 go command tweak
msalter
parents: 907
diff changeset
523 #ifdef CYGPKG_IO_ETH_DRIVERS
907
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
524 init_opts(&opts[2], 'n', false, OPTION_ARG_TYPE_FLG,
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
525 (void **)&stop_net, (bool *)0, "go with network driver stopped");
908
6aa5728bb6a0 go command tweak
msalter
parents: 907
diff changeset
526 num_options++;
6aa5728bb6a0 go command tweak
msalter
parents: 907
diff changeset
527 #endif
6aa5728bb6a0 go command tweak
msalter
parents: 907
diff changeset
528 if (!scan_opts(argc, argv, 1, opts, num_options, (void *)&entry, OPTION_ARG_TYPE_NUM, "starting address"))
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
529 {
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
530 return;
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
531 }
1223
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
532 if (entry == (unsigned long)NO_MEMORY) {
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
533 diag_printf("No entry point known - aborted\n");
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
534 return;
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
535 }
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
536 if (wait_time_set) {
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
537 int script_timeout_ms = wait_time * 1000;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
538 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
539 unsigned char *hold_script = script;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
540 script = (unsigned char *)0;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
541 #endif
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 174
diff changeset
542 diag_printf("About to start execution at %p - abort with ^C within %d seconds\n",
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 174
diff changeset
543 (void *)entry, wait_time);
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
544 while (script_timeout_ms >= CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT) {
182
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST
jlarmour
parents: 174
diff changeset
545 res = _rb_gets(line, sizeof(line), CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT);
156
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
546 if (res == _GETS_CTRLC) {
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
547 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
548 script = hold_script; // Re-enable script
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
549 #endif
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
550 return;
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
551 }
b939e9cada46 Merge from eCos master repository on 2001-03-29-21:44:39-BST
jlarmour
parents: 151
diff changeset
552 script_timeout_ms -= CYGNUM_REDBOOT_CLI_IDLE_TIMEOUT;
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
553 }
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
554 }
907
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
555
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
556 // Mask interrupts on all channels
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
557 cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
558 for (i = 0; i < CYGNUM_HAL_VIRTUAL_VECTOR_NUM_CHANNELS; i++) {
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
559 CYGACC_CALL_IF_SET_CONSOLE_COMM(i);
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
560 __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
561 CYGACC_COMM_IF_CONTROL( *__chan, __COMMCTL_IRQ_DISABLE );
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
562 }
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
563 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
564
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
565 __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
329
85c0eb753287 Add control for netio line flushing.
msalter
parents: 307
diff changeset
566 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_ENABLE_LINE_FLUSH);
85c0eb753287 Add control for netio line flushing.
msalter
parents: 307
diff changeset
567
907
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
568 #ifdef CYGPKG_IO_ETH_DRIVERS
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
569 if (stop_net)
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
570 eth_drv_stop();
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
571 #endif
a289defa82f0 go command enhancements
msalter
parents: 800
diff changeset
572
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
573 HAL_DISABLE_INTERRUPTS(oldints);
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
574 HAL_DCACHE_SYNC();
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
575 if (!cache_enabled) {
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
576 HAL_ICACHE_DISABLE();
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
577 HAL_DCACHE_DISABLE();
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
578 HAL_DCACHE_SYNC();
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
579 }
115
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
580 HAL_ICACHE_INVALIDATE_ALL();
6ed91473a1cd Merge from eCos master repository on 2000-08-21-22:40:54-BST
jlarmour
parents:
diff changeset
581 HAL_DCACHE_INVALIDATE_ALL();
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
582 // set up a temporary context that will take us to the trampoline
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
583 HAL_THREAD_INIT_CONTEXT((CYG_ADDRESS)workspace_end, entry, trampoline, 0);
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
584
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
585 // switch context to trampoline
1002
609c8b1447ee HAL enhancements from Pierre Habraken
msalter
parents: 913
diff changeset
586 HAL_THREAD_SWITCH_CONTEXT(&saved_context, &workspace_end);
556
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
587
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
588 // we get back here by way of return_to_redboot()
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
589
f2b5df359050 Support return to redboot from go
msalter
parents: 447
diff changeset
590 // undo the changes we made before switching context
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diff changeset
591 if (!cache_enabled) {
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diff changeset
592 HAL_ICACHE_ENABLE();
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diff changeset
593 HAL_DCACHE_ENABLE();
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parents: 447
diff changeset
594 }
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diff changeset
595
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diff changeset
596 CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_DISABLE_LINE_FLUSH);
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597
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diff changeset
598 HAL_RESTORE_INTERRUPTS(oldints);
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diff changeset
599
1002
609c8b1447ee HAL enhancements from Pierre Habraken
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parents: 913
diff changeset
600 diag_printf("\nProgram completed with status %d\n", return_status);
115
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parents:
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601 }
132
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602
151
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603 #ifdef HAL_PLATFORM_RESET
143
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diff changeset
604 void
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605 do_reset(int argc, char *argv[])
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diff changeset
606 {
182
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607 diag_printf("... Resetting.");
143
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608 CYGACC_CALL_IF_DELAY_US(2*100000);
182
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diff changeset
609 diag_printf("\n");
165
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diff changeset
610 CYGACC_CALL_IF_RESET();
182
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611 diag_printf("!! oops, RESET not working on this platform\n");
143
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612 }
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613 #endif
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614
160
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diff changeset
615 #ifdef CYGSEM_REDBOOT_VARIABLE_BAUD_RATE
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616 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
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617 #include <flash_config.h>
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618 #endif
159
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diff changeset
619
335
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620 static int
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621 set_comm_baud_rate(hal_virtual_comm_table_t *chan, int rate)
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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622 {
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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623 int current_rate;
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624
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625 current_rate = CYGACC_COMM_IF_CONTROL(*chan, __COMMCTL_SETBAUD, rate);
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626 if (rate != current_rate)
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627 return CYGACC_COMM_IF_CONTROL(*chan, __COMMCTL_SETBAUD, rate);
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628
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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diff changeset
629 return 0;
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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630 }
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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631
208
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632 int
159
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633 set_console_baud_rate(int rate)
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634 {
791
a2dfa8bf3c57 Export RedBoot FIS functions - from Knud Woehler <knud.woehler@microplex.de>
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parents: 566
diff changeset
635 int ret = -1;
335
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diff changeset
636 #ifdef CYGPKG_REDBOOT_ANY_CONSOLE
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diff changeset
637 if (!console_selected) {
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diff changeset
638 int cur = CYGACC_CALL_IF_SET_CONSOLE_COMM(CYGNUM_CALL_IF_SET_COMM_ID_QUERY_CURRENT);
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diff changeset
639 int i;
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640 // Set baud for all channels
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diff changeset
641 for (i = 0; i < CYGNUM_HAL_VIRTUAL_VECTOR_COMM_CHANNELS; i++) {
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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diff changeset
642 CYGACC_CALL_IF_SET_CONSOLE_COMM(i);
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diff changeset
643 ret = set_comm_baud_rate(CYGACC_CALL_IF_CONSOLE_PROCS(), rate);
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parents: 329
diff changeset
644 if (ret < 0)
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diff changeset
645 break;
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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parents: 329
diff changeset
646 }
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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diff changeset
647 CYGACC_CALL_IF_SET_CONSOLE_COMM(cur);
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parents: 329
diff changeset
648 } else
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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parents: 329
diff changeset
649 #endif
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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diff changeset
650 ret = set_comm_baud_rate(CYGACC_CALL_IF_CONSOLE_PROCS(), rate);
159
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parents: 158
diff changeset
651
335
a253970d627b Fix baudrate setting for CYGPKG_REDBOOT_ANY_CONSOLE
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parents: 329
diff changeset
652 if (ret < 0)
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diff changeset
653 diag_printf("Setting console baud rate to %d failed\n", rate);
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diff changeset
654
208
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diff changeset
655 return ret;
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656 }
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657
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diff changeset
658 static void
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diff changeset
659 _sleep(int ms)
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parents: 202
diff changeset
660 {
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661 int i;
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662 for (i = 0; i < ms; i++) {
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663 CYGACC_CALL_IF_DELAY_US((cyg_int32)1000);
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664 }
159
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diff changeset
665 }
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diff changeset
666
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667 void
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668 do_baud_rate(int argc, char *argv[])
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669 {
208
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670 int new_rate, ret, old_rate;
159
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671 bool new_rate_set;
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672 hal_virtual_comm_table_t *__chan;
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673 struct option_info opts[1];
160
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674 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
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diff changeset
675 struct config_option opt;
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676 #endif
159
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677
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diff changeset
678 init_opts(&opts[0], 'b', true, OPTION_ARG_TYPE_NUM,
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679 (void **)&new_rate, (bool *)&new_rate_set, "new baud rate");
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parents: 158
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680 if (!scan_opts(argc, argv, 1, opts, 1, 0, 0, "")) {
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681 return;
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682 }
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diff changeset
683 __chan = CYGACC_CALL_IF_CONSOLE_PROCS();
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diff changeset
684 if (new_rate_set) {
208
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diff changeset
685 diag_printf("Baud rate will be changed to %d - update your settings\n", new_rate);
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686 _sleep(500); // Give serial time to flush
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diff changeset
687 old_rate = CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_GETBAUD);
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688 ret = set_console_baud_rate(new_rate);
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parents: 202
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689 if (ret < 0) {
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parents: 202
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690 if (old_rate > 0) {
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parents: 202
diff changeset
691 // Try to restore
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parents: 202
diff changeset
692 set_console_baud_rate(old_rate);
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diff changeset
693 _sleep(500); // Give serial time to flush
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diff changeset
694 diag_printf("\nret = %d\n", ret);
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parents: 202
diff changeset
695 }
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696 return; // Couldn't set the desired rate
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diff changeset
697 }
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698 old_rate = ret;
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parents: 202
diff changeset
699 // Make sure this new rate works or back off to previous value
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parents: 202
diff changeset
700 // Sleep for a few seconds, then prompt to see if it works
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diff changeset
701 _sleep(3000); // Give serial time to flush
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702 if (!verify_action_with_timeout(5000, "Baud rate changed to %d", new_rate)) {
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diff changeset
703 _sleep(500); // Give serial time to flush
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diff changeset
704 set_console_baud_rate(old_rate);
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parents: 202
diff changeset
705 _sleep(500); // Give serial time to flush
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diff changeset
706 return;
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707 }
160
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diff changeset
708 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
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parents: 159
diff changeset
709 opt.type = CONFIG_INT;
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diff changeset
710 opt.enable = (char *)0;
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parents: 159
diff changeset
711 opt.enable_sense = 1;
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712 opt.key = "console_baud_rate";
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diff changeset
713 opt.dflt = new_rate;
161
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parents: 160
diff changeset
714 flash_add_config(&opt, true);
160
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parents: 159
diff changeset
715 #endif
159
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716 } else {
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717 ret = CYGACC_COMM_IF_CONTROL(*__chan, __COMMCTL_GETBAUD);
182
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718 diag_printf("Baud rate = ");
159
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719 if (ret <= 0) {
182
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720 diag_printf("unknown\n");
159
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721 } else {
182
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722 diag_printf("%d\n", ret);
159
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723 }
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724 }
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725 }
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726 #endif
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727
1223
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
728 //
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
729 // Validate an address to see if it is within any known RAM area
132
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730 //
1223
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
731 bool
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
732 valid_address(unsigned char *addr)
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
733 {
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
734 int seg;
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 130
diff changeset
735
1223
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
736 for (seg = 0; seg < CYGBLD_REDBOOT_MAX_MEM_SEGMENTS; seg++) {
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
737 if (mem_segments[seg].start != NO_MEMORY) {
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
738 if ((addr >= mem_segments[seg].start) && (addr < mem_segments[seg].end)) {
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
739 return true;
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
740 }
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
741 }
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
742 }
dbcfe4e0dbd2 New platform - TAMS MOAB - and generic changes to support it
gthomas
parents: 1002
diff changeset
743 return false;
132
0ae0bc38e387 Merge from eCos master repository on 2000-10-31-00:30:36-GMT
jlarmour
parents: 130
diff changeset
744 }