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| <td width="10%" class="headerItem">Current view:</td> |
| <td width="10%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">core</a> - fdt.c<span style="font-size: 80%;"> (source / <a href="fdt.c.func-c.html">functions</a>)</span></td> |
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| <td width="5%" class="headerCovTableHead">Coverage</td> |
| <td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td> |
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| <td class="headerItem">Test:</td> |
| <td class="headerValue">skiboot.info</td> |
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| <td class="headerItem">Lines:</td> |
| <td class="headerCovTableEntryLo">63.4 %</td> |
| <td class="headerCovTableEntry">101</td> |
| <td class="headerCovTableEntry">64</td> |
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| <td class="headerValue">2025-06-27 16:54:26</td> |
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| <td class="headerItem">Functions:</td> |
| <td class="headerCovTableEntryHi">90.9 %</td> |
| <td class="headerCovTableEntry">11</td> |
| <td class="headerCovTableEntry">10</td> |
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| <td class="headerCovTableEntry">0</td> |
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| <pre class="sourceHeading"> Branch data Line data Source code</pre> |
| <pre class="source"> |
| <span id="L1"><span class="lineNum"> 1</span> : : // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later</span> |
| <span id="L2"><span class="lineNum"> 2</span> : : /*</span> |
| <span id="L3"><span class="lineNum"> 3</span> : : * Produce and consume flattened device trees</span> |
| <span id="L4"><span class="lineNum"> 4</span> : : *</span> |
| <span id="L5"><span class="lineNum"> 5</span> : : * Copyright 2013-2019 IBM Corp.</span> |
| <span id="L6"><span class="lineNum"> 6</span> : : */</span> |
| <span id="L7"><span class="lineNum"> 7</span> : : </span> |
| <span id="L8"><span class="lineNum"> 8</span> : : #include <skiboot.h></span> |
| <span id="L9"><span class="lineNum"> 9</span> : : #include <stdarg.h></span> |
| <span id="L10"><span class="lineNum"> 10</span> : : #include <libfdt.h></span> |
| <span id="L11"><span class="lineNum"> 11</span> : : #include <device.h></span> |
| <span id="L12"><span class="lineNum"> 12</span> : : #include <chip.h></span> |
| <span id="L13"><span class="lineNum"> 13</span> : : #include <cpu.h></span> |
| <span id="L14"><span class="lineNum"> 14</span> : : #include <opal.h></span> |
| <span id="L15"><span class="lineNum"> 15</span> : : #include <interrupts.h></span> |
| <span id="L16"><span class="lineNum"> 16</span> : : #include <fsp.h></span> |
| <span id="L17"><span class="lineNum"> 17</span> : : #include <cec.h></span> |
| <span id="L18"><span class="lineNum"> 18</span> : : #include <vpd.h></span> |
| <span id="L19"><span class="lineNum"> 19</span> : : #include <ccan/str/str.h></span> |
| <span id="L20"><span class="lineNum"> 20</span> : : </span> |
| <span id="L21"><span class="lineNum"> 21</span> : : static int fdt_error;</span> |
| <span id="L22"><span class="lineNum"> 22</span> : : </span> |
| <span id="L23"><span class="lineNum"> 23</span> : : #undef DEBUG_FDT</span> |
| <span id="L24"><span class="lineNum"> 24</span> : : #ifdef DEBUG_FDT</span> |
| <span id="L25"><span class="lineNum"> 25</span> : : #define FDT_DBG(fmt, a...) prlog(PR_DEBUG, "FDT: " fmt, ##a)</span> |
| <span id="L26"><span class="lineNum"> 26</span> : : #else</span> |
| <span id="L27"><span class="lineNum"> 27</span> : : #define FDT_DBG(fmt, a...)</span> |
| <span id="L28"><span class="lineNum"> 28</span> : : #endif</span> |
| <span id="L29"><span class="lineNum"> 29</span> : : </span> |
| <span id="L30"><span class="lineNum"> 30</span> :<span class="tlaGNC tlaBgGNC"> 1012 : static void __save_err(int err, const char *str)</span></span> |
| <span id="L31"><span class="lineNum"> 31</span> : : {</span> |
| <span id="L32"><span class="lineNum"> 32</span> : : FDT_DBG("rc: %d from \"%s\"\n", err, str);</span> |
| <span id="L33"><span class="lineNum"> 33</span> :<span class="tlaGNC"> 1012 : if (err && !fdt_error) {</span></span> |
| <span id="L34"><span class="lineNum"> 34</span> :<span class="tlaUNC tlaBgUNC"> 0 : prerror("FDT: Error %d from \"%s\"\n", err, str);</span></span> |
| <span id="L35"><span class="lineNum"> 35</span> :<span class="tlaUNC"> 0 : fdt_error = err;</span></span> |
| <span id="L36"><span class="lineNum"> 36</span> : : }</span> |
| <span id="L37"><span class="lineNum"> 37</span> :<span class="tlaGNC tlaBgGNC"> 1012 : }</span></span> |
| <span id="L38"><span class="lineNum"> 38</span> : : </span> |
| <span id="L39"><span class="lineNum"> 39</span> : : #define save_err(...) __save_err(__VA_ARGS__, #__VA_ARGS__)</span> |
| <span id="L40"><span class="lineNum"> 40</span> : : </span> |
| <span id="L41"><span class="lineNum"> 41</span> :<span class="tlaGNC"> 80 : static void dt_property_cell(void *fdt, const char *name, u32 cell)</span></span> |
| <span id="L42"><span class="lineNum"> 42</span> : : {</span> |
| <span id="L43"><span class="lineNum"> 43</span> :<span class="tlaGNC"> 80 : save_err(fdt_property_cell(fdt, name, cell));</span></span> |
| <span id="L44"><span class="lineNum"> 44</span> :<span class="tlaGNC"> 80 : }</span></span> |
| <span id="L45"><span class="lineNum"> 45</span> : : </span> |
| <span id="L46"><span class="lineNum"> 46</span> :<span class="tlaGNC"> 80 : static void dt_begin_node(void *fdt, const struct dt_node *dn)</span></span> |
| <span id="L47"><span class="lineNum"> 47</span> : : {</span> |
| <span id="L48"><span class="lineNum"> 48</span> :<span class="tlaGNC"> 80 : save_err(fdt_begin_node(fdt, dn->name));</span></span> |
| <span id="L49"><span class="lineNum"> 49</span> : : </span> |
| <span id="L50"><span class="lineNum"> 50</span> :<span class="tlaGNC"> 80 : dt_property_cell(fdt, "phandle", dn->phandle);</span></span> |
| <span id="L51"><span class="lineNum"> 51</span> :<span class="tlaGNC"> 80 : }</span></span> |
| <span id="L52"><span class="lineNum"> 52</span> : : </span> |
| <span id="L53"><span class="lineNum"> 53</span> :<span class="tlaGNC"> 766 : static void dt_property(void *fdt, const struct dt_property *p)</span></span> |
| <span id="L54"><span class="lineNum"> 54</span> : : {</span> |
| <span id="L55"><span class="lineNum"> 55</span> :<span class="tlaGNC"> 766 : save_err(fdt_property(fdt, p->name, p->prop, p->len));</span></span> |
| <span id="L56"><span class="lineNum"> 56</span> :<span class="tlaGNC"> 766 : }</span></span> |
| <span id="L57"><span class="lineNum"> 57</span> : : </span> |
| <span id="L58"><span class="lineNum"> 58</span> :<span class="tlaGNC"> 80 : static void dt_end_node(void *fdt)</span></span> |
| <span id="L59"><span class="lineNum"> 59</span> : : {</span> |
| <span id="L60"><span class="lineNum"> 60</span> :<span class="tlaGNC"> 80 : save_err(fdt_end_node(fdt));</span></span> |
| <span id="L61"><span class="lineNum"> 61</span> :<span class="tlaGNC"> 80 : }</span></span> |
| <span id="L62"><span class="lineNum"> 62</span> : : </span> |
| <span id="L63"><span class="lineNum"> 63</span> : : #ifdef DEBUG_FDT</span> |
| <span id="L64"><span class="lineNum"> 64</span> : : static void dump_fdt(void *fdt)</span> |
| <span id="L65"><span class="lineNum"> 65</span> : : {</span> |
| <span id="L66"><span class="lineNum"> 66</span> : : int i, off, depth, err;</span> |
| <span id="L67"><span class="lineNum"> 67</span> : : </span> |
| <span id="L68"><span class="lineNum"> 68</span> : : prlog(PR_INFO, "Device tree %u@%p\n", fdt_totalsize(fdt), fdt);</span> |
| <span id="L69"><span class="lineNum"> 69</span> : : err = fdt_check_header(fdt);</span> |
| <span id="L70"><span class="lineNum"> 70</span> : : if (err) {</span> |
| <span id="L71"><span class="lineNum"> 71</span> : : prerror("fdt_check_header: %s\n", fdt_strerror(err));</span> |
| <span id="L72"><span class="lineNum"> 72</span> : : return;</span> |
| <span id="L73"><span class="lineNum"> 73</span> : : }</span> |
| <span id="L74"><span class="lineNum"> 74</span> : : prlog(PR_INFO, "fdt_check_header passed\n");</span> |
| <span id="L75"><span class="lineNum"> 75</span> : : </span> |
| <span id="L76"><span class="lineNum"> 76</span> : : prlog(PR_INFO, "fdt_num_mem_rsv = %u\n", fdt_num_mem_rsv(fdt));</span> |
| <span id="L77"><span class="lineNum"> 77</span> : : for (i = 0; i < fdt_num_mem_rsv(fdt); i++) {</span> |
| <span id="L78"><span class="lineNum"> 78</span> : : u64 addr, size;</span> |
| <span id="L79"><span class="lineNum"> 79</span> : : </span> |
| <span id="L80"><span class="lineNum"> 80</span> : : err = fdt_get_mem_rsv(fdt, i, &addr, &size);</span> |
| <span id="L81"><span class="lineNum"> 81</span> : : if (err) {</span> |
| <span id="L82"><span class="lineNum"> 82</span> : : prlog(PR_INFO, " ERR %s\n", fdt_strerror(err));</span> |
| <span id="L83"><span class="lineNum"> 83</span> : : return;</span> |
| <span id="L84"><span class="lineNum"> 84</span> : : }</span> |
| <span id="L85"><span class="lineNum"> 85</span> : : prlog(PR_INFO, " mem_rsv[%i] = %lu@%#lx\n",</span> |
| <span id="L86"><span class="lineNum"> 86</span> : : i, (long)addr, (long)size);</span> |
| <span id="L87"><span class="lineNum"> 87</span> : : }</span> |
| <span id="L88"><span class="lineNum"> 88</span> : : </span> |
| <span id="L89"><span class="lineNum"> 89</span> : : for (off = fdt_next_node(fdt, 0, &depth);</span> |
| <span id="L90"><span class="lineNum"> 90</span> : : off > 0;</span> |
| <span id="L91"><span class="lineNum"> 91</span> : : off = fdt_next_node(fdt, off, &depth)) {</span> |
| <span id="L92"><span class="lineNum"> 92</span> : : int len;</span> |
| <span id="L93"><span class="lineNum"> 93</span> : : const char *name;</span> |
| <span id="L94"><span class="lineNum"> 94</span> : : </span> |
| <span id="L95"><span class="lineNum"> 95</span> : : name = fdt_get_name(fdt, off, &len);</span> |
| <span id="L96"><span class="lineNum"> 96</span> : : if (!name) {</span> |
| <span id="L97"><span class="lineNum"> 97</span> : : prerror("fdt: offset %i no name!\n", off);</span> |
| <span id="L98"><span class="lineNum"> 98</span> : : return;</span> |
| <span id="L99"><span class="lineNum"> 99</span> : : }</span> |
| <span id="L100"><span class="lineNum"> 100</span> : : prlog(PR_INFO, "name: %s [%u]\n", name, off);</span> |
| <span id="L101"><span class="lineNum"> 101</span> : : }</span> |
| <span id="L102"><span class="lineNum"> 102</span> : : }</span> |
| <span id="L103"><span class="lineNum"> 103</span> : : #endif</span> |
| <span id="L104"><span class="lineNum"> 104</span> : : </span> |
| <span id="L105"><span class="lineNum"> 105</span> :<span class="tlaGNC"> 80 : static void flatten_dt_properties(void *fdt, const struct dt_node *dn)</span></span> |
| <span id="L106"><span class="lineNum"> 106</span> : : {</span> |
| <span id="L107"><span class="lineNum"> 107</span> : : const struct dt_property *p;</span> |
| <span id="L108"><span class="lineNum"> 108</span> : : </span> |
| <span id="L109"><span class="lineNum"> 109</span> :<span class="tlaGNC"> 849 : list_for_each(&dn->properties, p, list) {</span></span> |
| <span id="L110"><span class="lineNum"> 110</span> :<span class="tlaGNC"> 769 : if (strstarts(p->name, DT_PRIVATE))</span></span> |
| <span id="L111"><span class="lineNum"> 111</span> :<span class="tlaGNC"> 3 : continue;</span></span> |
| <span id="L112"><span class="lineNum"> 112</span> : : </span> |
| <span id="L113"><span class="lineNum"> 113</span> : : FDT_DBG(" prop: %s size: %ld\n", p->name, p->len);</span> |
| <span id="L114"><span class="lineNum"> 114</span> :<span class="tlaGNC"> 766 : dt_property(fdt, p);</span></span> |
| <span id="L115"><span class="lineNum"> 115</span> : : }</span> |
| <span id="L116"><span class="lineNum"> 116</span> :<span class="tlaGNC"> 80 : }</span></span> |
| <span id="L117"><span class="lineNum"> 117</span> : : </span> |
| <span id="L118"><span class="lineNum"> 118</span> :<span class="tlaGNC"> 80 : static void flatten_dt_node(void *fdt, const struct dt_node *root,</span></span> |
| <span id="L119"><span class="lineNum"> 119</span> : : bool exclusive)</span> |
| <span id="L120"><span class="lineNum"> 120</span> : : {</span> |
| <span id="L121"><span class="lineNum"> 121</span> : : const struct dt_node *i;</span> |
| <span id="L122"><span class="lineNum"> 122</span> : : </span> |
| <span id="L123"><span class="lineNum"> 123</span> :<span class="tlaGNC"> 80 : if (!exclusive) {</span></span> |
| <span id="L124"><span class="lineNum"> 124</span> : : FDT_DBG("node: %s\n", root->name);</span> |
| <span id="L125"><span class="lineNum"> 125</span> :<span class="tlaGNC"> 80 : dt_begin_node(fdt, root);</span></span> |
| <span id="L126"><span class="lineNum"> 126</span> :<span class="tlaGNC"> 80 : flatten_dt_properties(fdt, root);</span></span> |
| <span id="L127"><span class="lineNum"> 127</span> : : }</span> |
| <span id="L128"><span class="lineNum"> 128</span> : : </span> |
| <span id="L129"><span class="lineNum"> 129</span> :<span class="tlaGNC"> 159 : list_for_each(&root->children, i, list)</span></span> |
| <span id="L130"><span class="lineNum"> 130</span> :<span class="tlaGNC"> 79 : flatten_dt_node(fdt, i, false);</span></span> |
| <span id="L131"><span class="lineNum"> 131</span> : : </span> |
| <span id="L132"><span class="lineNum"> 132</span> :<span class="tlaGNC"> 80 : if (!exclusive)</span></span> |
| <span id="L133"><span class="lineNum"> 133</span> :<span class="tlaGNC"> 80 : dt_end_node(fdt);</span></span> |
| <span id="L134"><span class="lineNum"> 134</span> :<span class="tlaGNC"> 80 : }</span></span> |
| <span id="L135"><span class="lineNum"> 135</span> : : </span> |
| <span id="L136"><span class="lineNum"> 136</span> :<span class="tlaGNC"> 1 : static void create_dtb_reservemap(void *fdt, const struct dt_node *root)</span></span> |
| <span id="L137"><span class="lineNum"> 137</span> : : {</span> |
| <span id="L138"><span class="lineNum"> 138</span> : : uint64_t base, size;</span> |
| <span id="L139"><span class="lineNum"> 139</span> : : const __be64 *ranges;</span> |
| <span id="L140"><span class="lineNum"> 140</span> : : const struct dt_property *prop;</span> |
| <span id="L141"><span class="lineNum"> 141</span> : : int i;</span> |
| <span id="L142"><span class="lineNum"> 142</span> : : </span> |
| <span id="L143"><span class="lineNum"> 143</span> : : /* Duplicate the reserved-ranges property into the fdt reservemap */</span> |
| <span id="L144"><span class="lineNum"> 144</span> :<span class="tlaGNC"> 1 : prop = dt_find_property(root, "reserved-ranges");</span></span> |
| <span id="L145"><span class="lineNum"> 145</span> :<span class="tlaGNC"> 1 : if (prop) {</span></span> |
| <span id="L146"><span class="lineNum"> 146</span> :<span class="tlaGNC"> 1 : ranges = (const void *)prop->prop;</span></span> |
| <span id="L147"><span class="lineNum"> 147</span> : : </span> |
| <span id="L148"><span class="lineNum"> 148</span> :<span class="tlaGNC"> 4 : for (i = 0; i < prop->len / (sizeof(uint64_t) * 2); i++) {</span></span> |
| <span id="L149"><span class="lineNum"> 149</span> :<span class="tlaGNC"> 3 : base = be64_to_cpu(*(ranges++));</span></span> |
| <span id="L150"><span class="lineNum"> 150</span> :<span class="tlaGNC"> 3 : size = be64_to_cpu(*(ranges++));</span></span> |
| <span id="L151"><span class="lineNum"> 151</span> :<span class="tlaGNC"> 3 : save_err(fdt_add_reservemap_entry(fdt, base, size));</span></span> |
| <span id="L152"><span class="lineNum"> 152</span> : : }</span> |
| <span id="L153"><span class="lineNum"> 153</span> : : }</span> |
| <span id="L154"><span class="lineNum"> 154</span> : : </span> |
| <span id="L155"><span class="lineNum"> 155</span> :<span class="tlaGNC"> 1 : save_err(fdt_finish_reservemap(fdt));</span></span> |
| <span id="L156"><span class="lineNum"> 156</span> :<span class="tlaGNC"> 1 : }</span></span> |
| <span id="L157"><span class="lineNum"> 157</span> : : </span> |
| <span id="L158"><span class="lineNum"> 158</span> :<span class="tlaGNC"> 1 : static int __create_dtb(void *fdt, size_t len,</span></span> |
| <span id="L159"><span class="lineNum"> 159</span> : : const struct dt_node *root,</span> |
| <span id="L160"><span class="lineNum"> 160</span> : : bool exclusive)</span> |
| <span id="L161"><span class="lineNum"> 161</span> : : {</span> |
| <span id="L162"><span class="lineNum"> 162</span> :<span class="tlaGNC"> 1 : if (chip_quirk(QUIRK_SLOW_SIM))</span></span> |
| <span id="L163"><span class="lineNum"> 163</span> :<span class="tlaUNC tlaBgUNC"> 0 : save_err(fdt_create_with_flags(fdt, len, FDT_CREATE_FLAG_NO_NAME_DEDUP));</span></span> |
| <span id="L164"><span class="lineNum"> 164</span> : : else</span> |
| <span id="L165"><span class="lineNum"> 165</span> :<span class="tlaGNC tlaBgGNC"> 1 : save_err(fdt_create_with_flags(fdt, len, 0));</span></span> |
| <span id="L166"><span class="lineNum"> 166</span> :<span class="tlaGNC"> 1 : if (fdt_error)</span></span> |
| <span id="L167"><span class="lineNum"> 167</span> :<span class="tlaUNC tlaBgUNC"> 0 : goto err;</span></span> |
| <span id="L168"><span class="lineNum"> 168</span> : : </span> |
| <span id="L169"><span class="lineNum"> 169</span> :<span class="tlaGNC tlaBgGNC"> 1 : if (root == dt_root && !exclusive)</span></span> |
| <span id="L170"><span class="lineNum"> 170</span> :<span class="tlaGNC"> 1 : create_dtb_reservemap(fdt, root);</span></span> |
| <span id="L171"><span class="lineNum"> 171</span> : : else</span> |
| <span id="L172"><span class="lineNum"> 172</span> :<span class="tlaUNC tlaBgUNC"> 0 : save_err(fdt_finish_reservemap(fdt));</span></span> |
| <span id="L173"><span class="lineNum"> 173</span> : : </span> |
| <span id="L174"><span class="lineNum"> 174</span> :<span class="tlaGNC tlaBgGNC"> 1 : flatten_dt_node(fdt, root, exclusive);</span></span> |
| <span id="L175"><span class="lineNum"> 175</span> : : </span> |
| <span id="L176"><span class="lineNum"> 176</span> :<span class="tlaGNC"> 1 : save_err(fdt_finish(fdt));</span></span> |
| <span id="L177"><span class="lineNum"> 177</span> :<span class="tlaGNC"> 1 : if (fdt_error) {</span></span> |
| <span id="L178"><span class="lineNum"> 178</span> :<span class="tlaUNC tlaBgUNC"> 0 : err:</span></span> |
| <span id="L179"><span class="lineNum"> 179</span> :<span class="tlaUNC"> 0 : prerror("dtb: error %s\n", fdt_strerror(fdt_error));</span></span> |
| <span id="L180"><span class="lineNum"> 180</span> :<span class="tlaUNC"> 0 : return fdt_error;</span></span> |
| <span id="L181"><span class="lineNum"> 181</span> : : }</span> |
| <span id="L182"><span class="lineNum"> 182</span> : : </span> |
| <span id="L183"><span class="lineNum"> 183</span> : : #ifdef DEBUG_FDT</span> |
| <span id="L184"><span class="lineNum"> 184</span> : : dump_fdt(fdt);</span> |
| <span id="L185"><span class="lineNum"> 185</span> : : #endif</span> |
| <span id="L186"><span class="lineNum"> 186</span> :<span class="tlaGNC tlaBgGNC"> 1 : return 0;</span></span> |
| <span id="L187"><span class="lineNum"> 187</span> : : }</span> |
| <span id="L188"><span class="lineNum"> 188</span> : : </span> |
| <span id="L189"><span class="lineNum"> 189</span> :<span class="tlaGNC"> 1 : void *create_dtb(const struct dt_node *root, bool exclusive)</span></span> |
| <span id="L190"><span class="lineNum"> 190</span> : : {</span> |
| <span id="L191"><span class="lineNum"> 191</span> :<span class="tlaGNC"> 1 : void *fdt = NULL;</span></span> |
| <span id="L192"><span class="lineNum"> 192</span> :<span class="tlaGNC"> 1 : size_t len = DEVICE_TREE_MAX_SIZE;</span></span> |
| <span id="L193"><span class="lineNum"> 193</span> :<span class="tlaGNC"> 1 : uint32_t old_last_phandle = get_last_phandle();</span></span> |
| <span id="L194"><span class="lineNum"> 194</span> : : int ret;</span> |
| <span id="L195"><span class="lineNum"> 195</span> : : </span> |
| <span id="L196"><span class="lineNum"> 196</span> : : do {</span> |
| <span id="L197"><span class="lineNum"> 197</span> :<span class="tlaGNC"> 1 : set_last_phandle(old_last_phandle);</span></span> |
| <span id="L198"><span class="lineNum"> 198</span> :<span class="tlaGNC"> 1 : fdt_error = 0;</span></span> |
| <span id="L199"><span class="lineNum"> 199</span> :<span class="tlaGNC"> 1 : fdt = malloc(len);</span></span> |
| <span id="L200"><span class="lineNum"> 200</span> :<span class="tlaGNC"> 1 : if (!fdt) {</span></span> |
| <span id="L201"><span class="lineNum"> 201</span> :<span class="tlaUNC tlaBgUNC"> 0 : prerror("dtb: could not malloc %lu\n", (long)len);</span></span> |
| <span id="L202"><span class="lineNum"> 202</span> :<span class="tlaUNC"> 0 : return NULL;</span></span> |
| <span id="L203"><span class="lineNum"> 203</span> : : }</span> |
| <span id="L204"><span class="lineNum"> 204</span> : : </span> |
| <span id="L205"><span class="lineNum"> 205</span> :<span class="tlaGNC tlaBgGNC"> 1 : ret = __create_dtb(fdt, len, root, exclusive);</span></span> |
| <span id="L206"><span class="lineNum"> 206</span> :<span class="tlaGNC"> 1 : if (ret) {</span></span> |
| <span id="L207"><span class="lineNum"> 207</span> :<span class="tlaUNC tlaBgUNC"> 0 : free(fdt);</span></span> |
| <span id="L208"><span class="lineNum"> 208</span> :<span class="tlaUNC"> 0 : fdt = NULL;</span></span> |
| <span id="L209"><span class="lineNum"> 209</span> : : }</span> |
| <span id="L210"><span class="lineNum"> 210</span> : : </span> |
| <span id="L211"><span class="lineNum"> 211</span> :<span class="tlaGNC tlaBgGNC"> 1 : len *= 2;</span></span> |
| <span id="L212"><span class="lineNum"> 212</span> :<span class="tlaGNC"> 1 : } while (ret == -FDT_ERR_NOSPACE);</span></span> |
| <span id="L213"><span class="lineNum"> 213</span> : : </span> |
| <span id="L214"><span class="lineNum"> 214</span> :<span class="tlaGNC"> 1 : return fdt;</span></span> |
| <span id="L215"><span class="lineNum"> 215</span> : : }</span> |
| <span id="L216"><span class="lineNum"> 216</span> : : </span> |
| <span id="L217"><span class="lineNum"> 217</span> :<span class="tlaUNC tlaBgUNC"> 0 : static int64_t opal_get_device_tree(uint32_t phandle,</span></span> |
| <span id="L218"><span class="lineNum"> 218</span> : : uint64_t buf, uint64_t len)</span> |
| <span id="L219"><span class="lineNum"> 219</span> : : {</span> |
| <span id="L220"><span class="lineNum"> 220</span> : : struct dt_node *root;</span> |
| <span id="L221"><span class="lineNum"> 221</span> :<span class="tlaUNC"> 0 : void *fdt = (void *)buf;</span></span> |
| <span id="L222"><span class="lineNum"> 222</span> : : uint32_t old_last_phandle;</span> |
| <span id="L223"><span class="lineNum"> 223</span> : : int64_t totalsize;</span> |
| <span id="L224"><span class="lineNum"> 224</span> : : int ret;</span> |
| <span id="L225"><span class="lineNum"> 225</span> : : </span> |
| <span id="L226"><span class="lineNum"> 226</span> :<span class="tlaUNC"> 0 : if (!opal_addr_valid(fdt))</span></span> |
| <span id="L227"><span class="lineNum"> 227</span> :<span class="tlaUNC"> 0 : return OPAL_PARAMETER;</span></span> |
| <span id="L228"><span class="lineNum"> 228</span> : : </span> |
| <span id="L229"><span class="lineNum"> 229</span> :<span class="tlaUNC"> 0 : root = dt_find_by_phandle(dt_root, phandle);</span></span> |
| <span id="L230"><span class="lineNum"> 230</span> :<span class="tlaUNC"> 0 : if (!root)</span></span> |
| <span id="L231"><span class="lineNum"> 231</span> :<span class="tlaUNC"> 0 : return OPAL_PARAMETER;</span></span> |
| <span id="L232"><span class="lineNum"> 232</span> : : </span> |
| <span id="L233"><span class="lineNum"> 233</span> :<span class="tlaUNC"> 0 : if (!fdt) {</span></span> |
| <span id="L234"><span class="lineNum"> 234</span> :<span class="tlaUNC"> 0 : fdt = create_dtb(root, true);</span></span> |
| <span id="L235"><span class="lineNum"> 235</span> :<span class="tlaUNC"> 0 : if (!fdt)</span></span> |
| <span id="L236"><span class="lineNum"> 236</span> :<span class="tlaUNC"> 0 : return OPAL_INTERNAL_ERROR;</span></span> |
| <span id="L237"><span class="lineNum"> 237</span> :<span class="tlaUNC"> 0 : totalsize = fdt_totalsize(fdt);</span></span> |
| <span id="L238"><span class="lineNum"> 238</span> :<span class="tlaUNC"> 0 : free(fdt);</span></span> |
| <span id="L239"><span class="lineNum"> 239</span> :<span class="tlaUNC"> 0 : return totalsize;</span></span> |
| <span id="L240"><span class="lineNum"> 240</span> : : }</span> |
| <span id="L241"><span class="lineNum"> 241</span> : : </span> |
| <span id="L242"><span class="lineNum"> 242</span> :<span class="tlaUNC"> 0 : if (!len)</span></span> |
| <span id="L243"><span class="lineNum"> 243</span> :<span class="tlaUNC"> 0 : return OPAL_PARAMETER;</span></span> |
| <span id="L244"><span class="lineNum"> 244</span> : : </span> |
| <span id="L245"><span class="lineNum"> 245</span> :<span class="tlaUNC"> 0 : fdt_error = 0;</span></span> |
| <span id="L246"><span class="lineNum"> 246</span> :<span class="tlaUNC"> 0 : old_last_phandle = get_last_phandle();</span></span> |
| <span id="L247"><span class="lineNum"> 247</span> :<span class="tlaUNC"> 0 : ret = __create_dtb(fdt, len, root, true);</span></span> |
| <span id="L248"><span class="lineNum"> 248</span> :<span class="tlaUNC"> 0 : if (ret) {</span></span> |
| <span id="L249"><span class="lineNum"> 249</span> :<span class="tlaUNC"> 0 : set_last_phandle(old_last_phandle);</span></span> |
| <span id="L250"><span class="lineNum"> 250</span> :<span class="tlaUNC"> 0 : if (ret == -FDT_ERR_NOSPACE)</span></span> |
| <span id="L251"><span class="lineNum"> 251</span> :<span class="tlaUNC"> 0 : return OPAL_NO_MEM;</span></span> |
| <span id="L252"><span class="lineNum"> 252</span> : : </span> |
| <span id="L253"><span class="lineNum"> 253</span> :<span class="tlaUNC"> 0 : return OPAL_EMPTY;</span></span> |
| <span id="L254"><span class="lineNum"> 254</span> : : }</span> |
| <span id="L255"><span class="lineNum"> 255</span> : : </span> |
| <span id="L256"><span class="lineNum"> 256</span> :<span class="tlaUNC"> 0 : return OPAL_SUCCESS;</span></span> |
| <span id="L257"><span class="lineNum"> 257</span> : : }</span> |
| <span id="L258"><span class="lineNum"> 258</span> : : opal_call(OPAL_GET_DEVICE_TREE, opal_get_device_tree, 3);</span> |
| </pre> |
| </td> |
| </tr> |
| </table> |
| <br> |
| |
| <table width="100%" border=0 cellspacing=0 cellpadding=0> |
| <tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr> |
| <tr><td class="versionInfo">Generated by: <a href="https://github.com//linux-test-project/lcov" target="_parent">LCOV version 2.0-1</a></td></tr> |
| </table> |
| <br> |
| |
| </body> |
| </html> |
