mirror of
https://github.com/buildwithparallel/mm-iot-sdk
synced 2026-08-10 21:27:58 -04:00
4f4eb7fc7a
This commit introduces version 2.9.7 of the Morse Micro MM-IoT-SDK for ARM microcontroller base platforms.
651 lines
96 KiB
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651 lines
96 KiB
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 <span id="projectnumber">2.9.7</span>
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<a href="bootloader_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Copyright 2023 Morse Micro</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> */</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor">#include <stdio.h></span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="preprocessor">#include <stdbool.h></span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#include <string.h></span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="preprocessor">#include <endian.h></span></div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span><span class="preprocessor">#include <sys/unistd.h></span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor">#include <sys/fcntl.h></span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="preprocessor">#include <sys/errno.h></span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="preprocessor">#include "sha256.h"</span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="preprocessor">#include "mmhal_flash.h"</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="preprocessor">#include "mmconfig.h"</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="preprocessor">#include "mmhal.h"</span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span><span class="preprocessor">#include "mmosal.h"</span></div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="preprocessor">#include "puff.h"</span></div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="preprocessor">#include "mbin.h"</span></div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a6cc84937ff76b5c7eafccff861c09110"> 75</a></span><span class="preprocessor">#define MAX_UPDATE_ATTEMPTS 10</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d"> 78</a></span><span class="preprocessor">#define MAX_SEGMENT_SIZE 32768</span></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a9c2734c8641676d2dcc02b82fc9a25a3"> 81</a></span><span class="keyword">enum</span> <a class="code hl_enumeration" href="bootloader_8c.html#a9c2734c8641676d2dcc02b82fc9a25a3">bootloader_return_codes</a></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>{</div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> BOOTLOADER_OK = 0,</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> BOOTLOADER_ERR_FILE_NOT_FOUND,</div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> BOOTLOADER_ERR_SIGNATURE_NOT_FOUND,</div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> BOOTLOADER_ERR_FILE_VERIFICATION_FAILED,</div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> BOOTLOADER_ERR_INVALID_FILE,</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> BOOTLOADER_ERR_FILE_CORRUPT,</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> BOOTLOADER_ERR_ERASE_FAILED,</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> BOOTLOADER_ERR_PROGRAM_FAILED,</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> BOOTLOADER_ERR_TOO_MANY_ATTEMPTS,</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> BOOTLOADER_ERR_FILE_DECOMPRESSION,</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span>};</div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span><span class="keyword">extern</span> uint8_t <a class="code hl_variable" href="bootloader_8c.html#a37d4a9c3115f43a3e2b3e102bc81b48f">application_start</a>;</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span><span class="keyword">extern</span> uint8_t <a class="code hl_variable" href="bootloader_8c.html#aaaf4eda13ed1d5a1e8fcefbc9d9f4bd6">application_end</a>;</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a"> 102</a></span><span class="keyword">static</span> uint8_t <a class="code hl_variable" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a>[<a class="code hl_define" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a>];</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> </div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"><a class="line" href="bootloader_8c.html#aac44c88f1f923d025044ec2bd6740e20"> 105</a></span><span class="keyword">static</span> uint8_t <a class="code hl_variable" href="bootloader_8c.html#aac44c88f1f923d025044ec2bd6740e20">deflate_buffer</a>[<a class="code hl_define" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a>];</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"><a class="line" href="bootloader_8c.html#ad7adf72f0188214738b18073dbf9a0df"> 113</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="bootloader_8c.html#ad7adf72f0188214738b18073dbf9a0df">delay_ms</a>(uint32_t approx_delay_ms)</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span>{</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> uint32_t i;</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordflow">for</span> (i = 0; i < approx_delay_ms; i++)</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> {</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> uint32_t tick = <a class="code hl_function" href="group__MMOSAL__TIME.html#ga8b35358b376583c3e98bca9970fe2d72">mmosal_get_time_ticks</a>();</div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">while</span> (tick == <a class="code hl_function" href="group__MMOSAL__TIME.html#ga8b35358b376583c3e98bca9970fe2d72">mmosal_get_time_ticks</a>())</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> {</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> }</div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>}</div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a4216c0860ba47882f9a2dc002bcff4d5"> 130</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="bootloader_8c.html#a4216c0860ba47882f9a2dc002bcff4d5">blink_error_code</a>(<span class="keywordtype">int</span> code)</div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span>{</div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="keywordtype">int</span> ii;</div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="comment">/* Flash error LED code times */</span></div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keywordflow">for</span> (ii = 0; ii < code; ii++)</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> {</div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <a class="code hl_function" href="group__MMHAL.html#gabe168560c9b24e4a614e6e0128d34c5c">mmhal_set_error_led</a>(<span class="keyword">true</span>);</div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <a class="code hl_function" href="bootloader_8c.html#ad7adf72f0188214738b18073dbf9a0df">delay_ms</a>(100);</div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_function" href="group__MMHAL.html#gabe168560c9b24e4a614e6e0128d34c5c">mmhal_set_error_led</a>(<span class="keyword">false</span>);</div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <a class="code hl_function" href="bootloader_8c.html#ad7adf72f0188214738b18073dbf9a0df">delay_ms</a>(100);</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span>}</div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"><a class="line" href="bootloader_8c.html#aee64527bc3ac3493e545088bfddd20dd"> 164</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="bootloader_8c.html#aee64527bc3ac3493e545088bfddd20dd">update_failed</a>(<span class="keywordtype">int</span> code)</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span>{</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="comment">/* Write error code to config store */</span></div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga093ef5caa1ee5d2d49ac26510e3f8d3b">mmconfig_write_int</a>(<span class="stringliteral">"BOOTLOADER_ERROR"</span>, code);</div>
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<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div>
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<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> {</div>
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<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">/* We repeatedly blink the error code here */</span></div>
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<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_function" href="bootloader_8c.html#a4216c0860ba47882f9a2dc002bcff4d5">blink_error_code</a>(code);</div>
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<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <a class="code hl_function" href="bootloader_8c.html#ad7adf72f0188214738b18073dbf9a0df">delay_ms</a>(1000);</div>
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<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> }</div>
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<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
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<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
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<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a3fff6197c0b420e41cb8c6ca32b58bbe"> 184</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="bootloader_8c.html#a3fff6197c0b420e41cb8c6ca32b58bbe">erase_application_area</a>(<span class="keywordtype">void</span>)</div>
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<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span>{</div>
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<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> uint32_t block_address = (uint32_t) &<a class="code hl_variable" href="bootloader_8c.html#a37d4a9c3115f43a3e2b3e102bc81b48f">application_start</a>;</div>
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<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> uint32_t end_address = (uint32_t) &<a class="code hl_variable" href="bootloader_8c.html#aaaf4eda13ed1d5a1e8fcefbc9d9f4bd6">application_end</a>;</div>
|
|
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
|
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<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">while</span> (block_address < end_address)</div>
|
|
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> {</div>
|
|
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="comment">/* Erase block */</span></div>
|
|
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="group__MMHAL.html#ga45280345c4e63146ddba4a28a43fbf7b">mmhal_flash_erase</a>(block_address) != 0)</div>
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|
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> {</div>
|
|
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/* We had a failure erasing flash, try again */</span></div>
|
|
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="group__MMHAL.html#ga45280345c4e63146ddba4a28a43fbf7b">mmhal_flash_erase</a>(block_address) != 0)</div>
|
|
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> {</div>
|
|
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="comment">/* We had a second consecutive failure, give up as the flash is likely worn out */</span></div>
|
|
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> <a class="code hl_function" href="bootloader_8c.html#aee64527bc3ac3493e545088bfddd20dd">update_failed</a>(BOOTLOADER_ERR_ERASE_FAILED);</div>
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|
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> }</div>
|
|
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> }</div>
|
|
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
|
|
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <span class="comment">/*</span></div>
|
|
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="comment"> * No need to sanity check this as everything between @c application_start</span></div>
|
|
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="comment"> * and @c application_end should be in valid flash or the linker script is wrong.</span></div>
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|
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span><span class="comment"> */</span></div>
|
|
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> block_address += <a class="code hl_function" href="group__MMHAL.html#ga63486f8a2f1291fcf9675949dd14511f">mmhal_flash_getblocksize</a>(block_address);</div>
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|
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> }</div>
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|
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span>}</div>
|
|
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
|
|
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
|
|
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a39140ce852070800f265073418f49fad"> 218</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="bootloader_8c.html#a39140ce852070800f265073418f49fad">read_segment_header</a>(<span class="keywordtype">int</span> fd, <span class="keyword">struct</span> <a class="code hl_struct" href="structmbin__tlv__hdr.html">mbin_tlv_hdr</a> *seg_hdr)</div>
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<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span>{</div>
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<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">struct </span><a class="code hl_struct" href="structmbin__tlv__hdr.html">mbin_tlv_hdr</a> hdr_overlay;</div>
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<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
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<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordtype">int</span> ret = read(fd, &hdr_overlay, <span class="keyword">sizeof</span>(hdr_overlay));</div>
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<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">if</span> (ret != <span class="keyword">sizeof</span>(hdr_overlay))</div>
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<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> {</div>
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|
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="keywordflow">return</span> BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> }</div>
|
|
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
|
|
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> seg_hdr-><a class="code hl_variable" href="structmbin__tlv__hdr.html#acdf5a55bc4057b67582e3e45f0bab180">type</a> = le16toh(hdr_overlay.<a class="code hl_variable" href="structmbin__tlv__hdr.html#acdf5a55bc4057b67582e3e45f0bab180">type</a>);</div>
|
|
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> seg_hdr-><a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a> = le16toh(hdr_overlay.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a>);</div>
|
|
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
|
|
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keywordflow">return</span> BOOTLOADER_OK;</div>
|
|
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>}</div>
|
|
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
|
|
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"><a class="line" href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98"> 241</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98">read_uint32</a>(<span class="keywordtype">int</span> fd, uint32_t *val)</div>
|
|
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>{</div>
|
|
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> uint32_t tmp;</div>
|
|
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> </div>
|
|
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordtype">int</span> ret = read(fd, &tmp, <span class="keyword">sizeof</span>(tmp));</div>
|
|
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">if</span> (ret != <span class="keyword">sizeof</span>(tmp))</div>
|
|
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> {</div>
|
|
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">return</span> BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
|
|
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> </div>
|
|
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> *val = le32toh(tmp);</div>
|
|
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> </div>
|
|
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">return</span> BOOTLOADER_OK;</div>
|
|
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span>}</div>
|
|
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
|
|
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"><a class="line" href="bootloader_8c.html#aa561c09fdf6feb3346f48f9925cc822e"> 263</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="bootloader_8c.html#aa561c09fdf6feb3346f48f9925cc822e">load_and_flash_mbin</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *fname, <span class="keywordtype">bool</span> make_changes)</div>
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|
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span>{</div>
|
|
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keyword">struct </span><a class="code hl_struct" href="structmbin__tlv__hdr.html">mbin_tlv_hdr</a> seg_hdr;</div>
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|
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> uint32_t mbin_magic = 0;</div>
|
|
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> uint32_t load_address, load_size;</div>
|
|
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> compressed_size, puffed_size; <span class="comment">// NOLINT(runtime/int) match puff API</span></div>
|
|
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordtype">int</span> ret;</div>
|
|
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordtype">bool</span> eof = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordtype">bool</span> modified = <span class="keyword">false</span>;</div>
|
|
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> </div>
|
|
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="comment">/* Open file */</span></div>
|
|
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordtype">int</span> fd = open(fname, O_RDONLY);</div>
|
|
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">if</span> (fd < 0)</div>
|
|
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> {</div>
|
|
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/* Could not open file */</span></div>
|
|
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">return</span> BOOTLOADER_ERR_FILE_NOT_FOUND;</div>
|
|
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> }</div>
|
|
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> </div>
|
|
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="comment">/* Verify MBIN magic */</span></div>
|
|
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> ret = <a class="code hl_function" href="bootloader_8c.html#a39140ce852070800f265073418f49fad">read_segment_header</a>(fd, &seg_hdr);</div>
|
|
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> {</div>
|
|
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> }</div>
|
|
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="keywordflow">if</span> (seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#acdf5a55bc4057b67582e3e45f0bab180">type</a> != FIELD_TYPE_MAGIC)</div>
|
|
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> {</div>
|
|
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> ret = BOOTLOADER_ERR_INVALID_FILE;</div>
|
|
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> }</div>
|
|
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">if</span> (seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a> != <span class="keyword">sizeof</span>(mbin_magic))</div>
|
|
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> {</div>
|
|
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> }</div>
|
|
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> ret = <a class="code hl_function" href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98">read_uint32</a>(fd, &mbin_magic);</div>
|
|
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">if</span> (<a class="code hl_define" href="group__MBIN.html#ga5741dea85b112cfa0965f8fac9faa299">MBIN_SW_MAGIC_NUMBER</a> != mbin_magic)</div>
|
|
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> {</div>
|
|
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> ret = BOOTLOADER_ERR_INVALID_FILE;</div>
|
|
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> }</div>
|
|
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> </div>
|
|
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="comment">/* Iterate through TLV headers */</span></div>
|
|
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">while</span> (!eof)</div>
|
|
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> {</div>
|
|
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> ret = <a class="code hl_function" href="bootloader_8c.html#a39140ce852070800f265073418f49fad">read_segment_header</a>(fd, &seg_hdr);</div>
|
|
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> {</div>
|
|
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> }</div>
|
|
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> </div>
|
|
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> <span class="keywordflow">switch</span> (seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#acdf5a55bc4057b67582e3e45f0bab180">type</a>)</div>
|
|
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> {</div>
|
|
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">case</span> FIELD_TYPE_SW_SEGMENT:</div>
|
|
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> ret = <a class="code hl_function" href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98">read_uint32</a>(fd, &load_address);</div>
|
|
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> {</div>
|
|
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> }</div>
|
|
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> </div>
|
|
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> load_size = seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a> - <span class="keyword">sizeof</span>(load_address);</div>
|
|
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">if</span> (load_size > <a class="code hl_define" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a>)</div>
|
|
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> {</div>
|
|
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
|
|
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> </div>
|
|
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> ret = read(fd, <a class="code hl_variable" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a>, load_size);</div>
|
|
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keywordflow">if</span> (ret != (<span class="keywordtype">int</span>)load_size)</div>
|
|
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> {</div>
|
|
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> }</div>
|
|
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
|
|
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> <span class="comment">/* Does the load address fall within the application area? */</span></div>
|
|
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="keywordflow">if</span> ((load_address >= (uint32_t) &<a class="code hl_variable" href="bootloader_8c.html#a37d4a9c3115f43a3e2b3e102bc81b48f">application_start</a>) &&</div>
|
|
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> (load_address + load_size <= (uint32_t) &<a class="code hl_variable" href="bootloader_8c.html#aaaf4eda13ed1d5a1e8fcefbc9d9f4bd6">application_end</a>))</div>
|
|
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> {</div>
|
|
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> modified = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">if</span> (make_changes)</div>
|
|
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> {</div>
|
|
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> ret = <a class="code hl_function" href="group__MMHAL.html#ga9ef64e3f9aa4f1aa4a91094471578dc1">mmhal_flash_write</a>(load_address, <a class="code hl_variable" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a>, load_size);</div>
|
|
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> <span class="keywordflow">if</span> (ret != 0)</div>
|
|
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> {</div>
|
|
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="comment">/* We had a failure while flashing, give up as flash state is unknown */</span></div>
|
|
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> ret = BOOTLOADER_ERR_PROGRAM_FAILED;</div>
|
|
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> }</div>
|
|
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> }</div>
|
|
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> }</div>
|
|
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> {</div>
|
|
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> <span class="comment">/* We attempted to write outside the valid area */</span></div>
|
|
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> ret = BOOTLOADER_ERR_INVALID_FILE;</div>
|
|
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> }</div>
|
|
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> </div>
|
|
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="keywordflow">case</span> FIELD_TYPE_SW_SEGMENT_DEFLATED:</div>
|
|
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> ret = <a class="code hl_function" href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98">read_uint32</a>(fd, &load_address);</div>
|
|
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> {</div>
|
|
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> }</div>
|
|
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> </div>
|
|
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> ret = <a class="code hl_function" href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98">read_uint32</a>(fd, &load_size);</div>
|
|
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> {</div>
|
|
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> }</div>
|
|
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
|
|
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keywordflow">if</span> (load_size > <a class="code hl_define" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a>)</div>
|
|
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> {</div>
|
|
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> }</div>
|
|
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> </div>
|
|
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> compressed_size = seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a> - <span class="keyword">sizeof</span>(load_address) - <span class="keyword">sizeof</span>(load_size);</div>
|
|
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> <span class="keywordflow">if</span> (compressed_size > <a class="code hl_define" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a>)</div>
|
|
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> {</div>
|
|
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> }</div>
|
|
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> </div>
|
|
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> ret = read(fd, <a class="code hl_variable" href="bootloader_8c.html#aac44c88f1f923d025044ec2bd6740e20">deflate_buffer</a>, compressed_size);</div>
|
|
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> <span class="keywordflow">if</span> (ret != (<span class="keywordtype">int</span>)compressed_size)</div>
|
|
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> {</div>
|
|
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> }</div>
|
|
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> </div>
|
|
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> <span class="comment">/* Decompress the segment */</span></div>
|
|
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> puffed_size = load_size;</div>
|
|
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> puff(<a class="code hl_variable" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a>, &puffed_size, <a class="code hl_variable" href="bootloader_8c.html#aac44c88f1f923d025044ec2bd6740e20">deflate_buffer</a>, &compressed_size);</div>
|
|
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> <span class="keywordflow">if</span> (puffed_size != load_size)</div>
|
|
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> {</div>
|
|
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> <span class="comment">/* We had a failure decompressing, give up */</span></div>
|
|
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> ret = BOOTLOADER_ERR_FILE_DECOMPRESSION;</div>
|
|
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> }</div>
|
|
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> </div>
|
|
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span> <span class="comment">/* Does the load address fall within the application area? */</span></div>
|
|
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> <span class="keywordflow">if</span> ((load_address >= (uint32_t) &<a class="code hl_variable" href="bootloader_8c.html#a37d4a9c3115f43a3e2b3e102bc81b48f">application_start</a>) &&</div>
|
|
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> (load_address + load_size <= (uint32_t) &<a class="code hl_variable" href="bootloader_8c.html#aaaf4eda13ed1d5a1e8fcefbc9d9f4bd6">application_end</a>))</div>
|
|
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> {</div>
|
|
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> modified = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> <span class="keywordflow">if</span> (make_changes)</div>
|
|
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> {</div>
|
|
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> ret = <a class="code hl_function" href="group__MMHAL.html#ga9ef64e3f9aa4f1aa4a91094471578dc1">mmhal_flash_write</a>(load_address, <a class="code hl_variable" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a>, load_size);</div>
|
|
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> <span class="keywordflow">if</span> (ret!= 0)</div>
|
|
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> {</div>
|
|
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">/* We had a failure while flashing, give up as flash state is unknown */</span></div>
|
|
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> ret = BOOTLOADER_ERR_PROGRAM_FAILED;</div>
|
|
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> }</div>
|
|
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> }</div>
|
|
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> }</div>
|
|
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> <span class="keywordflow">else</span></div>
|
|
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> {</div>
|
|
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> <span class="comment">/* We attempted to write outside the valid area */</span></div>
|
|
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> ret = BOOTLOADER_ERR_INVALID_FILE;</div>
|
|
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> }</div>
|
|
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> </div>
|
|
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> <span class="keywordflow">case</span> FIELD_TYPE_EOF_WITH_SIGNATURE:</div>
|
|
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">/* We validate this signature in the application and generate the</span></div>
|
|
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span><span class="comment"> * simplified IMAGE_SIGNATURE hash in config store for the bootloader.</span></div>
|
|
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span><span class="comment"> * So the bootloader just treats this as an EOF. */</span></div>
|
|
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="keywordflow">case</span> FIELD_TYPE_EOF:</div>
|
|
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> eof = <span class="keyword">true</span>;</div>
|
|
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> </div>
|
|
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="comment">/* Skip these fields since they are not used for the software update process */</span></div>
|
|
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keywordflow">case</span> FIELD_TYPE_FW_SEGMENT:</div>
|
|
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keywordflow">case</span> FIELD_TYPE_FW_SEGMENT_DEFLATED:</div>
|
|
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> <span class="keywordflow">case</span> FIELD_TYPE_FW_TLV_BCF_ADDR:</div>
|
|
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> <span class="keywordflow">case</span> FIELD_TYPE_BCF_BOARD_CONFIG:</div>
|
|
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> <span class="keywordflow">case</span> FIELD_TYPE_BCF_REGDOM:</div>
|
|
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="keywordflow">if</span> (seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a> > <a class="code hl_define" href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a>)</div>
|
|
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> {</div>
|
|
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="comment">/* We had a failure reading MBIN, give up */</span></div>
|
|
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> }</div>
|
|
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> <span class="comment">/* Skip over */</span></div>
|
|
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> ret = read(fd, <a class="code hl_variable" href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a>, seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a>);</div>
|
|
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordflow">if</span> (ret != seg_hdr.<a class="code hl_variable" href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">len</a>)</div>
|
|
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> {</div>
|
|
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> <span class="comment">/* We had an error reading the file */</span></div>
|
|
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> }</div>
|
|
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> </div>
|
|
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="keywordflow">case</span> FIELD_TYPE_MAGIC:</div>
|
|
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="comment">/* These are unexpected */</span></div>
|
|
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> }</div>
|
|
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> }</div>
|
|
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> </div>
|
|
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> <span class="keywordflow">if</span> (!eof)</div>
|
|
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> {</div>
|
|
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="comment">/* File ended unexpectedly */</span></div>
|
|
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> ret = BOOTLOADER_ERR_FILE_CORRUPT;</div>
|
|
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> }</div>
|
|
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> </div>
|
|
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> <span class="keywordflow">if</span> (!modified)</div>
|
|
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> {</div>
|
|
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> <span class="comment">/* No attempts were made to write to the application region of flash. */</span></div>
|
|
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="comment">/* Maybe this file was meant for another device? */</span></div>
|
|
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> ret = BOOTLOADER_ERR_INVALID_FILE;</div>
|
|
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> <span class="keywordflow">goto</span> bailout;</div>
|
|
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> }</div>
|
|
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> </div>
|
|
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> ret = BOOTLOADER_OK;</div>
|
|
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span>bailout:</div>
|
|
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> close(fd);</div>
|
|
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> <span class="keywordflow">return</span> ret;</div>
|
|
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span>}</div>
|
|
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> </div>
|
|
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a7cf929399abd068757e3d916ca9e034e"> 501</a></span><span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code hl_function" href="bootloader_8c.html#a7cf929399abd068757e3d916ca9e034e">verify_signature</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *fname)</div>
|
|
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span>{</div>
|
|
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="comment">/* Stub to compute memory usage of sha256 */</span></div>
|
|
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> BYTE data[64];</div>
|
|
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> BYTE hash[32];</div>
|
|
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> SHA256_CTX ctx;</div>
|
|
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> sha256_init(&ctx);</div>
|
|
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> </div>
|
|
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> BYTE compare[32];</div>
|
|
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">"IMAGE_SIGNATURE"</span>, compare, <span class="keyword">sizeof</span>(compare), 0) != <span class="keyword">sizeof</span>(compare))</div>
|
|
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> {</div>
|
|
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> <span class="comment">/* Error reading hash, bail */</span></div>
|
|
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> <span class="keywordflow">return</span> BOOTLOADER_ERR_SIGNATURE_NOT_FOUND;</div>
|
|
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> }</div>
|
|
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> </div>
|
|
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> <span class="comment">/* Open file */</span></div>
|
|
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keywordtype">int</span> fd = open(fname, O_RDONLY);</div>
|
|
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> <span class="keywordflow">if</span> (fd < 0)</div>
|
|
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> {</div>
|
|
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> <span class="comment">/* Could not open file */</span></div>
|
|
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">return</span> BOOTLOADER_ERR_FILE_NOT_FOUND;</div>
|
|
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> }</div>
|
|
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> </div>
|
|
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> <span class="keywordtype">int</span> bytesread;</div>
|
|
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> <span class="keywordflow">do</span></div>
|
|
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> {</div>
|
|
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span> bytesread = read(fd, data, <span class="keyword">sizeof</span>(data));</div>
|
|
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">if</span> (bytesread <= 0)</div>
|
|
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> {</div>
|
|
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> <span class="comment">/* break out on error */</span></div>
|
|
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span> }</div>
|
|
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> sha256_update(&ctx, data, bytesread);</div>
|
|
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span> } <span class="keywordflow">while</span> (bytesread == <span class="keyword">sizeof</span>(data));</div>
|
|
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
|
|
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span> sha256_final(&ctx, hash);</div>
|
|
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</span> close(fd);</div>
|
|
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno"> 538</span> </div>
|
|
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno"> 539</span> <span class="keywordflow">if</span> (memcmp(hash, compare, <span class="keyword">sizeof</span>(hash)) != 0)</div>
|
|
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno"> 540</span> {</div>
|
|
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno"> 541</span> <span class="comment">/* Verification failed */</span></div>
|
|
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno"> 542</span> <span class="keywordflow">return</span> BOOTLOADER_ERR_FILE_VERIFICATION_FAILED;</div>
|
|
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno"> 543</span> }</div>
|
|
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno"> 544</span> <span class="keywordflow">return</span> BOOTLOADER_OK;</div>
|
|
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno"> 545</span>}</div>
|
|
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno"> 546</span> </div>
|
|
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a38b339ba5e30f1e04eb52e3fcae416a2"> 550</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="bootloader_8c.html#a38b339ba5e30f1e04eb52e3fcae416a2">check_update</a>()</div>
|
|
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno"> 551</span>{</div>
|
|
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno"> 552</span> <span class="keyword">static</span> <span class="keywordtype">char</span> update_path[128];</div>
|
|
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno"> 553</span> </div>
|
|
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno"> 554</span> <span class="comment">/* Check if UPDATE_IMAGE is set in config store */</span></div>
|
|
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno"> 555</span> <span class="keywordtype">int</span> ret = <a class="code hl_function" href="group__MMCONFIG__API.html#ga49a03e759500ae9d9395a22d3846c11e">mmconfig_read_string</a>(<span class="stringliteral">"UPDATE_IMAGE"</span>, update_path, <span class="keyword">sizeof</span>(update_path));</div>
|
|
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno"> 556</span> <span class="keywordflow">if</span> (ret <= 0)</div>
|
|
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno"> 557</span> {</div>
|
|
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno"> 558</span> <span class="comment">/* Could not find UPDATE_IMAGE, bail to application, this is the normal use case */</span></div>
|
|
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno"> 559</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno"> 560</span> }</div>
|
|
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno"> 561</span> </div>
|
|
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno"> 562</span> ret = <a class="code hl_function" href="bootloader_8c.html#a7cf929399abd068757e3d916ca9e034e">verify_signature</a>(update_path);</div>
|
|
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno"> 563</span> <span class="keywordflow">if</span> (ret != 0)</div>
|
|
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno"> 564</span> {</div>
|
|
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno"> 565</span> <span class="comment">/* Signature check failed, bail to application */</span></div>
|
|
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno"> 566</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga093ef5caa1ee5d2d49ac26510e3f8d3b">mmconfig_write_int</a>(<span class="stringliteral">"BOOTLOADER_ERROR"</span>, ret);</div>
|
|
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno"> 567</span> <a class="code hl_function" href="bootloader_8c.html#a4216c0860ba47882f9a2dc002bcff4d5">blink_error_code</a>(ret);</div>
|
|
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno"> 568</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno"> 569</span> }</div>
|
|
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno"> 570</span> </div>
|
|
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno"> 571</span> <span class="comment">/* Do a dry run to ensure MBIN file is ok */</span></div>
|
|
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno"> 572</span> ret = <a class="code hl_function" href="bootloader_8c.html#aa561c09fdf6feb3346f48f9925cc822e">load_and_flash_mbin</a>(update_path, <span class="keyword">false</span>);</div>
|
|
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno"> 573</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno"> 574</span> {</div>
|
|
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno"> 575</span> <span class="comment">/* Update failed early, write error code and bail to application */</span></div>
|
|
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno"> 576</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga093ef5caa1ee5d2d49ac26510e3f8d3b">mmconfig_write_int</a>(<span class="stringliteral">"BOOTLOADER_ERROR"</span>, ret);</div>
|
|
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno"> 577</span> <a class="code hl_function" href="bootloader_8c.html#a4216c0860ba47882f9a2dc002bcff4d5">blink_error_code</a>(ret);</div>
|
|
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno"> 578</span> <span class="keywordflow">return</span>;</div>
|
|
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno"> 579</span> }</div>
|
|
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno"> 580</span> </div>
|
|
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno"> 581</span> <span class="comment">/* MBIN looks good, increment update attempts */</span></div>
|
|
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno"> 582</span> <span class="keywordtype">int</span> update_attempts = 0;</div>
|
|
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno"> 583</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga525c691a659dbd32281c0de12432d9c9">mmconfig_read_int</a>(<span class="stringliteral">"UPDATE_ATTEMPTS"</span>, &update_attempts);</div>
|
|
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno"> 584</span> <span class="keywordflow">if</span> (update_attempts >= <a class="code hl_define" href="bootloader_8c.html#a6cc84937ff76b5c7eafccff861c09110">MAX_UPDATE_ATTEMPTS</a>)</div>
|
|
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno"> 585</span> {</div>
|
|
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno"> 586</span> <span class="comment">/* We tried too many times, give up */</span></div>
|
|
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno"> 587</span> <a class="code hl_function" href="bootloader_8c.html#aee64527bc3ac3493e545088bfddd20dd">update_failed</a>(BOOTLOADER_ERR_TOO_MANY_ATTEMPTS);</div>
|
|
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno"> 588</span> }</div>
|
|
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno"> 589</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga093ef5caa1ee5d2d49ac26510e3f8d3b">mmconfig_write_int</a>(<span class="stringliteral">"UPDATE_ATTEMPTS"</span>, ++update_attempts);</div>
|
|
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno"> 590</span> </div>
|
|
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno"> 591</span> <span class="comment">/* No turning back, any failures past this point are critical */</span></div>
|
|
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno"> 592</span> <a class="code hl_function" href="bootloader_8c.html#a3fff6197c0b420e41cb8c6ca32b58bbe">erase_application_area</a>();</div>
|
|
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno"> 593</span> </div>
|
|
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno"> 594</span> <span class="comment">/* Start the flashing process for real */</span></div>
|
|
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno"> 595</span> ret = <a class="code hl_function" href="bootloader_8c.html#aa561c09fdf6feb3346f48f9925cc822e">load_and_flash_mbin</a>(update_path, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno"> 596</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno"> 597</span> {</div>
|
|
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno"> 598</span> <span class="comment">/* We failed once, so erase and try again */</span></div>
|
|
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno"> 599</span> <a class="code hl_function" href="bootloader_8c.html#a3fff6197c0b420e41cb8c6ca32b58bbe">erase_application_area</a>();</div>
|
|
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno"> 600</span> ret = <a class="code hl_function" href="bootloader_8c.html#aa561c09fdf6feb3346f48f9925cc822e">load_and_flash_mbin</a>(update_path, <span class="keyword">true</span>);</div>
|
|
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno"> 601</span> <span class="keywordflow">if</span> (ret != BOOTLOADER_OK)</div>
|
|
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno"> 602</span> {</div>
|
|
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno"> 603</span> <span class="comment">/* We failed a second time, situation is unrecoverable, give up */</span></div>
|
|
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno"> 604</span> <a class="code hl_function" href="bootloader_8c.html#aee64527bc3ac3493e545088bfddd20dd">update_failed</a>(ret);</div>
|
|
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno"> 605</span> }</div>
|
|
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno"> 606</span> }</div>
|
|
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno"> 607</span> </div>
|
|
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno"> 608</span> <span class="comment">/* We successfully did an update, so cleanup and reboot now */</span></div>
|
|
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno"> 609</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga116bd92e4bd372a3964ff66dce82a657">mmconfig_delete_key</a>(<span class="stringliteral">"UPDATE_IMAGE"</span>);</div>
|
|
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno"> 610</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga116bd92e4bd372a3964ff66dce82a657">mmconfig_delete_key</a>(<span class="stringliteral">"UPDATE_ATTEMPTS"</span>);</div>
|
|
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno"> 611</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga116bd92e4bd372a3964ff66dce82a657">mmconfig_delete_key</a>(<span class="stringliteral">"IMAGE_SIGNATURE"</span>);</div>
|
|
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno"> 612</span> <a class="code hl_function" href="group__MMCONFIG__API.html#ga116bd92e4bd372a3964ff66dce82a657">mmconfig_delete_key</a>(<span class="stringliteral">"BOOTLOADER_ERROR"</span>);</div>
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<div class="line"><a id="l00613" name="l00613"></a><span class="lineno"> 613</span> <a class="code hl_function" href="group__MMHAL.html#gaf0174eb0b4d85be6c3e4675fc887955b">mmhal_reset</a>();</div>
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<div class="line"><a id="l00614" name="l00614"></a><span class="lineno"> 614</span>}</div>
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<div class="line"><a id="l00615" name="l00615"></a><span class="lineno"> 615</span> </div>
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<div class="line"><a id="l00620" name="l00620"></a><span class="lineno"><a class="line" href="bootloader_8c.html#a840291bc02cba5474a4cb46a9b9566fe"> 620</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="bootloader_8c.html#a840291bc02cba5474a4cb46a9b9566fe">main</a>(<span class="keywordtype">void</span>)</div>
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<div class="line"><a id="l00621" name="l00621"></a><span class="lineno"> 621</span>{</div>
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<div class="line"><a id="l00622" name="l00622"></a><span class="lineno"> 622</span> <span class="comment">/* This writes the bootloader version into config store for applicatiopn to read.</span></div>
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<div class="line"><a id="l00623" name="l00623"></a><span class="lineno"> 623</span><span class="comment"> * Note: This function returns without writing anything if the key is already present</span></div>
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<div class="line"><a id="l00624" name="l00624"></a><span class="lineno"> 624</span><span class="comment"> * and has the same value - so no need to worry about flash wear and tear. */</span></div>
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<div class="line"><a id="l00625" name="l00625"></a><span class="lineno"> 625</span> <a class="code hl_function" href="group__MMCONFIG__API.html#gad75d2af944e63a2b6f5615ba8a4e7ad6">mmconfig_write_string</a>(<span class="stringliteral">"BOOTLOADER_VERSION"</span>, BOOTLOADER_VERSION);</div>
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<div class="line"><a id="l00626" name="l00626"></a><span class="lineno"> 626</span> </div>
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<div class="line"><a id="l00627" name="l00627"></a><span class="lineno"> 627</span> <span class="comment">/* Check for updates */</span></div>
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<div class="line"><a id="l00628" name="l00628"></a><span class="lineno"> 628</span> <a class="code hl_function" href="bootloader_8c.html#a38b339ba5e30f1e04eb52e3fcae416a2">check_update</a>();</div>
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<div class="line"><a id="l00629" name="l00629"></a><span class="lineno"> 629</span> </div>
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<div class="line"><a id="l00630" name="l00630"></a><span class="lineno"> 630</span> <span class="comment">/* Jump to application. The address to jump to is the second entry</span></div>
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<div class="line"><a id="l00631" name="l00631"></a><span class="lineno"> 631</span><span class="comment"> * in the vector table located at the start of application area.</span></div>
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<div class="line"><a id="l00632" name="l00632"></a><span class="lineno"> 632</span><span class="comment"> * Note: we ignore the first entry (Stack pointer) as this is usually the same</span></div>
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<div class="line"><a id="l00633" name="l00633"></a><span class="lineno"> 633</span><span class="comment"> * for the bootloader and set to end of RAM - requires messy assembly to change. */</span></div>
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<div class="line"><a id="l00634" name="l00634"></a><span class="lineno"> 634</span> uint32_t go_address = (*((<span class="keyword">volatile</span> uint32_t*) (((uint32_t)&<a class="code hl_variable" href="bootloader_8c.html#a37d4a9c3115f43a3e2b3e102bc81b48f">application_start</a>) + 4)));</div>
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<div class="line"><a id="l00635" name="l00635"></a><span class="lineno"> 635</span> void (*jump_to_app)(void) = (<span class="keywordtype">void</span> (*)(void)) go_address;</div>
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<div class="line"><a id="l00636" name="l00636"></a><span class="lineno"> 636</span> </div>
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<div class="line"><a id="l00637" name="l00637"></a><span class="lineno"> 637</span> <span class="comment">/* No updates found, jump to application */</span></div>
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<div class="line"><a id="l00638" name="l00638"></a><span class="lineno"> 638</span> jump_to_app();</div>
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<div class="line"><a id="l00639" name="l00639"></a><span class="lineno"> 639</span> </div>
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<div class="line"><a id="l00640" name="l00640"></a><span class="lineno"> 640</span> <span class="comment">/* We should not get here */</span></div>
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<div class="line"><a id="l00641" name="l00641"></a><span class="lineno"> 641</span> <a class="code hl_define" href="group__MMOSAL__ASSERT.html#ga9bae87b1059a31f390403d647b73e4b9">MMOSAL_ASSERT</a>(<span class="keyword">false</span>);</div>
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<div class="line"><a id="l00642" name="l00642"></a><span class="lineno"> 642</span>}</div>
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<div class="ttc" id="abootloader_8c_html_a37d4a9c3115f43a3e2b3e102bc81b48f"><div class="ttname"><a href="bootloader_8c.html#a37d4a9c3115f43a3e2b3e102bc81b48f">application_start</a></div><div class="ttdeci">uint8_t application_start</div><div class="ttdoc">Start of Application region in flash.</div></div>
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<div class="ttc" id="abootloader_8c_html_a38b339ba5e30f1e04eb52e3fcae416a2"><div class="ttname"><a href="bootloader_8c.html#a38b339ba5e30f1e04eb52e3fcae416a2">check_update</a></div><div class="ttdeci">static void check_update()</div><div class="ttdoc">Check for an update, if an update is found, perform it.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00550">bootloader.c:550</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a39140ce852070800f265073418f49fad"><div class="ttname"><a href="bootloader_8c.html#a39140ce852070800f265073418f49fad">read_segment_header</a></div><div class="ttdeci">static int read_segment_header(int fd, struct mbin_tlv_hdr *seg_hdr)</div><div class="ttdoc">Loads the segment header from file.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00218">bootloader.c:218</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a3fff6197c0b420e41cb8c6ca32b58bbe"><div class="ttname"><a href="bootloader_8c.html#a3fff6197c0b420e41cb8c6ca32b58bbe">erase_application_area</a></div><div class="ttdeci">static void erase_application_area(void)</div><div class="ttdoc">This function erases the entire application flash region.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00184">bootloader.c:184</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a4216c0860ba47882f9a2dc002bcff4d5"><div class="ttname"><a href="bootloader_8c.html#a4216c0860ba47882f9a2dc002bcff4d5">blink_error_code</a></div><div class="ttdeci">static void blink_error_code(int code)</div><div class="ttdoc">Blinks the hardware error LED to indicate the error code.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00130">bootloader.c:130</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a6cc84937ff76b5c7eafccff861c09110"><div class="ttname"><a href="bootloader_8c.html#a6cc84937ff76b5c7eafccff861c09110">MAX_UPDATE_ATTEMPTS</a></div><div class="ttdeci">#define MAX_UPDATE_ATTEMPTS</div><div class="ttdoc">Maximum number of times we attempt to update before giving up.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00075">bootloader.c:75</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a79f8ce89914364edcd444bad719e909d"><div class="ttname"><a href="bootloader_8c.html#a79f8ce89914364edcd444bad719e909d">MAX_SEGMENT_SIZE</a></div><div class="ttdeci">#define MAX_SEGMENT_SIZE</div><div class="ttdoc">Maximum size of a segment, set to 32768.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00078">bootloader.c:78</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a7cf929399abd068757e3d916ca9e034e"><div class="ttname"><a href="bootloader_8c.html#a7cf929399abd068757e3d916ca9e034e">verify_signature</a></div><div class="ttdeci">static int verify_signature(const char *fname)</div><div class="ttdoc">Verifies the signature of the file.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00501">bootloader.c:501</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a83329d26ababd34a8e4a2af7df10e35a"><div class="ttname"><a href="bootloader_8c.html#a83329d26ababd34a8e4a2af7df10e35a">segment_buffer</a></div><div class="ttdeci">static uint8_t segment_buffer[MAX_SEGMENT_SIZE]</div><div class="ttdoc">Temporary buffer for loading segments.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00102">bootloader.c:102</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a840291bc02cba5474a4cb46a9b9566fe"><div class="ttname"><a href="bootloader_8c.html#a840291bc02cba5474a4cb46a9b9566fe">main</a></div><div class="ttdeci">int main(void)</div><div class="ttdoc">The bootloader entry point.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00620">bootloader.c:620</a></div></div>
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<div class="ttc" id="abootloader_8c_html_a9c2734c8641676d2dcc02b82fc9a25a3"><div class="ttname"><a href="bootloader_8c.html#a9c2734c8641676d2dcc02b82fc9a25a3">bootloader_return_codes</a></div><div class="ttdeci">bootloader_return_codes</div><div class="ttdoc">Bootloader return codes.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00081">bootloader.c:82</a></div></div>
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<div class="ttc" id="abootloader_8c_html_aa561c09fdf6feb3346f48f9925cc822e"><div class="ttname"><a href="bootloader_8c.html#aa561c09fdf6feb3346f48f9925cc822e">load_and_flash_mbin</a></div><div class="ttdeci">static int load_and_flash_mbin(const char *fname, bool make_changes)</div><div class="ttdoc">Loads and flashes the image.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00263">bootloader.c:263</a></div></div>
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<div class="ttc" id="abootloader_8c_html_aaaf4eda13ed1d5a1e8fcefbc9d9f4bd6"><div class="ttname"><a href="bootloader_8c.html#aaaf4eda13ed1d5a1e8fcefbc9d9f4bd6">application_end</a></div><div class="ttdeci">uint8_t application_end</div><div class="ttdoc">End of Application region in flash.</div></div>
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<div class="ttc" id="abootloader_8c_html_aac44c88f1f923d025044ec2bd6740e20"><div class="ttname"><a href="bootloader_8c.html#aac44c88f1f923d025044ec2bd6740e20">deflate_buffer</a></div><div class="ttdeci">static uint8_t deflate_buffer[MAX_SEGMENT_SIZE]</div><div class="ttdoc">Temporary buffer for deflating segments.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00105">bootloader.c:105</a></div></div>
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<div class="ttc" id="abootloader_8c_html_ad7adf72f0188214738b18073dbf9a0df"><div class="ttname"><a href="bootloader_8c.html#ad7adf72f0188214738b18073dbf9a0df">delay_ms</a></div><div class="ttdeci">static void delay_ms(uint32_t approx_delay_ms)</div><div class="ttdoc">Implements a delay of approximately the duration specified.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00113">bootloader.c:113</a></div></div>
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<div class="ttc" id="abootloader_8c_html_ae056e191483eb2bd384b33251e74ab98"><div class="ttname"><a href="bootloader_8c.html#ae056e191483eb2bd384b33251e74ab98">read_uint32</a></div><div class="ttdeci">static int read_uint32(int fd, uint32_t *val)</div><div class="ttdoc">Loads a 32 bit integer from file and converts to host endian.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00241">bootloader.c:241</a></div></div>
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<div class="ttc" id="abootloader_8c_html_aee64527bc3ac3493e545088bfddd20dd"><div class="ttname"><a href="bootloader_8c.html#aee64527bc3ac3493e545088bfddd20dd">update_failed</a></div><div class="ttdeci">static void update_failed(int code)</div><div class="ttdoc">Called when multiple attempts to update failed, must not return.</div><div class="ttdef"><b>Definition:</b> <a href="bootloader_8c_source.html#l00164">bootloader.c:164</a></div></div>
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<div class="ttc" id="agroup__MBIN_html_ga5741dea85b112cfa0965f8fac9faa299"><div class="ttname"><a href="group__MBIN.html#ga5741dea85b112cfa0965f8fac9faa299">MBIN_SW_MAGIC_NUMBER</a></div><div class="ttdeci">#define MBIN_SW_MAGIC_NUMBER</div><div class="ttdoc">Expected value of the magic field for a SW image MMSW.</div><div class="ttdef"><b>Definition:</b> <a href="mbin_8h_source.html#l00076">mbin.h:76</a></div></div>
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<div class="ttc" id="agroup__MMCONFIG__API_html_ga093ef5caa1ee5d2d49ac26510e3f8d3b"><div class="ttname"><a href="group__MMCONFIG__API.html#ga093ef5caa1ee5d2d49ac26510e3f8d3b">mmconfig_write_int</a></div><div class="ttdeci">int mmconfig_write_int(const char *key, int value)</div><div class="ttdoc">Converts the given integer to a string and writes to persistent store.</div></div>
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<div class="ttc" id="agroup__MMCONFIG__API_html_ga116bd92e4bd372a3964ff66dce82a657"><div class="ttname"><a href="group__MMCONFIG__API.html#ga116bd92e4bd372a3964ff66dce82a657">mmconfig_delete_key</a></div><div class="ttdeci">static int mmconfig_delete_key(const char *key)</div><div class="ttdoc">Deletes the specified key(s) from persistent store.</div><div class="ttdef"><b>Definition:</b> <a href="mmconfig_8h_source.html#l00299">mmconfig.h:299</a></div></div>
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<div class="ttc" id="agroup__MMCONFIG__API_html_ga49a03e759500ae9d9395a22d3846c11e"><div class="ttname"><a href="group__MMCONFIG__API.html#ga49a03e759500ae9d9395a22d3846c11e">mmconfig_read_string</a></div><div class="ttdeci">int mmconfig_read_string(const char *key, char *buffer, int bufsize)</div><div class="ttdoc">Returns the persistent store string value identified by the key.</div></div>
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<div class="ttc" id="agroup__MMCONFIG__API_html_ga525c691a659dbd32281c0de12432d9c9"><div class="ttname"><a href="group__MMCONFIG__API.html#ga525c691a659dbd32281c0de12432d9c9">mmconfig_read_int</a></div><div class="ttdeci">int mmconfig_read_int(const char *key, int *value)</div><div class="ttdoc">Returns the integer stored in persistent store identified by the key.</div></div>
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<div class="ttc" id="agroup__MMCONFIG__API_html_gaced6e1453d3114b98696af9bbcca4288"><div class="ttname"><a href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a></div><div class="ttdeci">int mmconfig_read_bytes(const char *key, void *buffer, uint32_t buffsize, uint32_t offset)</div><div class="ttdoc">Returns the persistent store data identified by the key.</div></div>
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<div class="ttc" id="agroup__MMCONFIG__API_html_gad75d2af944e63a2b6f5615ba8a4e7ad6"><div class="ttname"><a href="group__MMCONFIG__API.html#gad75d2af944e63a2b6f5615ba8a4e7ad6">mmconfig_write_string</a></div><div class="ttdeci">int mmconfig_write_string(const char *key, const char *value)</div><div class="ttdoc">Writes the null terminated string to persistent store location identified by key.</div></div>
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<div class="ttc" id="agroup__MMHAL_html_ga45280345c4e63146ddba4a28a43fbf7b"><div class="ttname"><a href="group__MMHAL.html#ga45280345c4e63146ddba4a28a43fbf7b">mmhal_flash_erase</a></div><div class="ttdeci">int mmhal_flash_erase(uint32_t block_address)</div><div class="ttdoc">Erases a block of Flash pointed to by the block_address.</div></div>
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<div class="ttc" id="agroup__MMHAL_html_ga63486f8a2f1291fcf9675949dd14511f"><div class="ttname"><a href="group__MMHAL.html#ga63486f8a2f1291fcf9675949dd14511f">mmhal_flash_getblocksize</a></div><div class="ttdeci">uint32_t mmhal_flash_getblocksize(uint32_t block_address)</div><div class="ttdoc">Returns the size of the Flash block at the specified address.</div></div>
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<div class="ttc" id="agroup__MMHAL_html_ga9ef64e3f9aa4f1aa4a91094471578dc1"><div class="ttname"><a href="group__MMHAL.html#ga9ef64e3f9aa4f1aa4a91094471578dc1">mmhal_flash_write</a></div><div class="ttdeci">int mmhal_flash_write(uint32_t write_address, const uint8_t *data, size_t size)</div><div class="ttdoc">Write a block of data to the specified Flash address.</div></div>
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<div class="ttc" id="agroup__MMHAL_html_gabe168560c9b24e4a614e6e0128d34c5c"><div class="ttname"><a href="group__MMHAL.html#gabe168560c9b24e4a614e6e0128d34c5c">mmhal_set_error_led</a></div><div class="ttdeci">void mmhal_set_error_led(bool state)</div><div class="ttdoc">Set the error LED to the requested state.</div></div>
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<div class="ttc" id="agroup__MMHAL_html_gaf0174eb0b4d85be6c3e4675fc887955b"><div class="ttname"><a href="group__MMHAL.html#gaf0174eb0b4d85be6c3e4675fc887955b">mmhal_reset</a></div><div class="ttdeci">void mmhal_reset(void)</div><div class="ttdoc">Reset the microcontroller.</div></div>
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<div class="ttc" id="agroup__MMOSAL__ASSERT_html_ga9bae87b1059a31f390403d647b73e4b9"><div class="ttname"><a href="group__MMOSAL__ASSERT.html#ga9bae87b1059a31f390403d647b73e4b9">MMOSAL_ASSERT</a></div><div class="ttdeci">#define MMOSAL_ASSERT(expr)</div><div class="ttdoc">Assert that the given expression evaluates to true and abort execution if not.</div><div class="ttdef"><b>Definition:</b> <a href="mmosal_8h_source.html#l00927">mmosal.h:927</a></div></div>
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<div class="ttc" id="agroup__MMOSAL__TIME_html_ga8b35358b376583c3e98bca9970fe2d72"><div class="ttname"><a href="group__MMOSAL__TIME.html#ga8b35358b376583c3e98bca9970fe2d72">mmosal_get_time_ticks</a></div><div class="ttdeci">uint32_t mmosal_get_time_ticks(void)</div><div class="ttdoc">Get the system time in ticks.</div><div class="ttdef"><b>Definition:</b> <a href="mmosal__shim__bootloader_8c_source.html#l00126">mmosal_shim_bootloader.c:126</a></div></div>
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<div class="ttc" id="astructmbin__tlv__hdr_html"><div class="ttname"><a href="structmbin__tlv__hdr.html">mbin_tlv_hdr</a></div><div class="ttdoc">TLV header data structure.</div><div class="ttdef"><b>Definition:</b> <a href="mbin_8h_source.html#l00040">mbin.h:41</a></div></div>
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<div class="ttc" id="astructmbin__tlv__hdr_html_a13d4a6d1b4399e51a353d62cdb46e309"><div class="ttname"><a href="structmbin__tlv__hdr.html#a13d4a6d1b4399e51a353d62cdb46e309">mbin_tlv_hdr::len</a></div><div class="ttdeci">uint16_t len</div><div class="ttdoc">Length of payload (excludes header).</div><div class="ttdef"><b>Definition:</b> <a href="mbin_8h_source.html#l00045">mbin.h:45</a></div></div>
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<div class="ttc" id="astructmbin__tlv__hdr_html_acdf5a55bc4057b67582e3e45f0bab180"><div class="ttname"><a href="structmbin__tlv__hdr.html#acdf5a55bc4057b67582e3e45f0bab180">mbin_tlv_hdr::type</a></div><div class="ttdeci">uint16_t type</div><div class="ttdoc">Type (see mbin_tlv_types).</div><div class="ttdef"><b>Definition:</b> <a href="mbin_8h_source.html#l00043">mbin.h:43</a></div></div>
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