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| <td class="headerCovTableEntryHi">98.7 %</td> |
| <td class="headerCovTableEntry">78</td> |
| <td class="headerCovTableEntry">77</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">100.0 %</td> |
| <td class="headerCovTableEntry">3</td> |
| <td class="headerCovTableEntry">3</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> : : * op_display() but over the 1 byte LPC port 80h just like an original IBM PC</span> |
| <span id="L4"><span class="lineNum"> 4</span> : : *</span> |
| <span id="L5"><span class="lineNum"> 5</span> : : * Copyright 2018-2019 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> : : #define pr_fmt(fmt) "Port80h: " fmt</span> |
| <span id="L9"><span class="lineNum"> 9</span> : : </span> |
| <span id="L10"><span class="lineNum"> 10</span> : : #include <opal-api.h></span> |
| <span id="L11"><span class="lineNum"> 11</span> : : #include <lpc.h></span> |
| <span id="L12"><span class="lineNum"> 12</span> : : #include <op-panel.h></span> |
| <span id="L13"><span class="lineNum"> 13</span> : : #include <chip.h></span> |
| <span id="L14"><span class="lineNum"> 14</span> : : </span> |
| <span id="L15"><span class="lineNum"> 15</span> : : /*</span> |
| <span id="L16"><span class="lineNum"> 16</span> : : * Convert our detailed op_display() call into 1 byte for LPC port 80h</span> |
| <span id="L17"><span class="lineNum"> 17</span> : : *</span> |
| <span id="L18"><span class="lineNum"> 18</span> : : * Our layout looks like this:</span> |
| <span id="L19"><span class="lineNum"> 19</span> : : * MSB (bit 7): 1 = Comes from OPAL</span> |
| <span id="L20"><span class="lineNum"> 20</span> : : * bit 6 : 0 = OP_MOD_INIT (the main one), 1 = (see bit 5)</span> |
| <span id="L21"><span class="lineNum"> 21</span> : : * bit 5432 : (if bit 6=0, low nibble of op-panel code)</span> |
| <span id="L22"><span class="lineNum"> 22</span> : : * bit 5432 : (if bit 6=1, other OP_MOD_ values in bits 54:</span> |
| <span id="L23"><span class="lineNum"> 23</span> : : * 00b=OP_MOD_CPU, 01b=OP_MOD_LOCK,</span> |
| <span id="L24"><span class="lineNum"> 24</span> : : * 10b=OP_MOD_MEM, 11b=OP_MOD_CHIPTOD</span> |
| <span id="L25"><span class="lineNum"> 25</span> : : * bits 0,1 from code in bits 32)</span> |
| <span id="L26"><span class="lineNum"> 26</span> : : *</span> |
| <span id="L27"><span class="lineNum"> 27</span> : : * bit 1,0: 00b=OP_LOG, 10b=OP_WARN, 01b=OP_ERROR, 11b=OP_FATAL</span> |
| <span id="L28"><span class="lineNum"> 28</span> : : * i.e. bit 0 indicates ERROR or FATAL.</span> |
| <span id="L29"><span class="lineNum"> 29</span> : : *</span> |
| <span id="L30"><span class="lineNum"> 30</span> : : * If port 80h number has the MSB and LSB set, then you died in OPAL.</span> |
| <span id="L31"><span class="lineNum"> 31</span> : : * Any *odd* number with the MSB set (i.e. > 0x80) indicates error.</span> |
| <span id="L32"><span class="lineNum"> 32</span> : : */</span> |
| <span id="L33"><span class="lineNum"> 33</span> :<span class="tlaGNC tlaBgGNC"> 16 : static inline uint8_t op_display_to_port80(uint8_t last_value, enum op_severity s, enum op_module m, uint16_t c)</span></span> |
| <span id="L34"><span class="lineNum"> 34</span> : : {</span> |
| <span id="L35"><span class="lineNum"> 35</span> :<span class="tlaGNC"> 16 : uint8_t r = 0x80; /* Start with top bit set indicating in OPAL */</span></span> |
| <span id="L36"><span class="lineNum"> 36</span> : : </span> |
| <span id="L37"><span class="lineNum"> 37</span> :<span class="tlaGNC"> 16 : switch(m) {</span></span> |
| <span id="L38"><span class="lineNum"> 38</span> :<span class="tlaGNC"> 7 : case OP_MOD_INIT:</span></span> |
| <span id="L39"><span class="lineNum"> 39</span> : : /* bit 6 is zero */</span> |
| <span id="L40"><span class="lineNum"> 40</span> : : /* bits 5432 have low nibble of c */</span> |
| <span id="L41"><span class="lineNum"> 41</span> :<span class="tlaGNC"> 7 : r |= (c & 0x0f) << 2;</span></span> |
| <span id="L42"><span class="lineNum"> 42</span> :<span class="tlaGNC"> 7 : break;</span></span> |
| <span id="L43"><span class="lineNum"> 43</span> :<span class="tlaGNC"> 1 : case OP_MOD_CPU:</span></span> |
| <span id="L44"><span class="lineNum"> 44</span> :<span class="tlaGNC"> 1 : r |= 0x40 | (c & 0x03) << 2;</span></span> |
| <span id="L45"><span class="lineNum"> 45</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L46"><span class="lineNum"> 46</span> :<span class="tlaGNC"> 2 : case OP_MOD_LOCK:</span></span> |
| <span id="L47"><span class="lineNum"> 47</span> :<span class="tlaGNC"> 2 : r |= 0x50 | (c & 0x03) << 2;</span></span> |
| <span id="L48"><span class="lineNum"> 48</span> :<span class="tlaGNC"> 2 : break;</span></span> |
| <span id="L49"><span class="lineNum"> 49</span> :<span class="tlaGNC"> 2 : case OP_MOD_MEM:</span></span> |
| <span id="L50"><span class="lineNum"> 50</span> :<span class="tlaGNC"> 2 : r |= 0x60 | (c & 0x03) << 2;</span></span> |
| <span id="L51"><span class="lineNum"> 51</span> :<span class="tlaGNC"> 2 : break;</span></span> |
| <span id="L52"><span class="lineNum"> 52</span> :<span class="tlaGNC"> 1 : case OP_MOD_CHIPTOD:</span></span> |
| <span id="L53"><span class="lineNum"> 53</span> :<span class="tlaGNC"> 1 : r |= 0x70 | (c & 0x03) << 2;</span></span> |
| <span id="L54"><span class="lineNum"> 54</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L55"><span class="lineNum"> 55</span> :<span class="tlaGNC"> 1 : case OP_MOD_CORE:</span></span> |
| <span id="L56"><span class="lineNum"> 56</span> : : /*</span> |
| <span id="L57"><span class="lineNum"> 57</span> : : * Only current OP_MOD_CORE is where we're OP_FATAL,</span> |
| <span id="L58"><span class="lineNum"> 58</span> : : * So let's go for the last value set and tweak the</span> |
| <span id="L59"><span class="lineNum"> 59</span> : : * bits for OP_FATAL.</span> |
| <span id="L60"><span class="lineNum"> 60</span> : : */</span> |
| <span id="L61"><span class="lineNum"> 61</span> :<span class="tlaGNC"> 1 : r = last_value & 0xFC;</span></span> |
| <span id="L62"><span class="lineNum"> 62</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L63"><span class="lineNum"> 63</span> :<span class="tlaGNC"> 2 : case OP_MOD_FSP:</span></span> |
| <span id="L64"><span class="lineNum"> 64</span> : : case OP_MOD_FSPCON:</span> |
| <span id="L65"><span class="lineNum"> 65</span> : : /* Should never be hit, port80h only used on non-FSP! */</span> |
| <span id="L66"><span class="lineNum"> 66</span> :<span class="tlaGNC"> 2 : break;</span></span> |
| <span id="L67"><span class="lineNum"> 67</span> : : }</span> |
| <span id="L68"><span class="lineNum"> 68</span> : : </span> |
| <span id="L69"><span class="lineNum"> 69</span> :<span class="tlaGNC"> 16 : switch(s) {</span></span> |
| <span id="L70"><span class="lineNum"> 70</span> :<span class="tlaGNC"> 7 : case OP_LOG:</span></span> |
| <span id="L71"><span class="lineNum"> 71</span> :<span class="tlaGNC"> 7 : break;</span></span> |
| <span id="L72"><span class="lineNum"> 72</span> :<span class="tlaGNC"> 3 : case OP_WARN:</span></span> |
| <span id="L73"><span class="lineNum"> 73</span> :<span class="tlaGNC"> 3 : r |= 0x02;</span></span> |
| <span id="L74"><span class="lineNum"> 74</span> :<span class="tlaGNC"> 3 : break;</span></span> |
| <span id="L75"><span class="lineNum"> 75</span> :<span class="tlaGNC"> 1 : case OP_ERROR:</span></span> |
| <span id="L76"><span class="lineNum"> 76</span> :<span class="tlaGNC"> 1 : r |= 0x01;</span></span> |
| <span id="L77"><span class="lineNum"> 77</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L78"><span class="lineNum"> 78</span> :<span class="tlaGNC"> 5 : case OP_FATAL:</span></span> |
| <span id="L79"><span class="lineNum"> 79</span> :<span class="tlaGNC"> 5 : r |= 0x03;</span></span> |
| <span id="L80"><span class="lineNum"> 80</span> : : }</span> |
| <span id="L81"><span class="lineNum"> 81</span> : : </span> |
| <span id="L82"><span class="lineNum"> 82</span> :<span class="tlaGNC"> 16 : return r;</span></span> |
| <span id="L83"><span class="lineNum"> 83</span> : : }</span> |
| <span id="L84"><span class="lineNum"> 84</span> : : </span> |
| <span id="L85"><span class="lineNum"> 85</span> : : /*</span> |
| <span id="L86"><span class="lineNum"> 86</span> : : * Convert our detailed op_display() call into 2 bytes for LPC port 81h and 82h</span> |
| <span id="L87"><span class="lineNum"> 87</span> : : *</span> |
| <span id="L88"><span class="lineNum"> 88</span> : : * This looks pretty similar to our port80 code.</span> |
| <span id="L89"><span class="lineNum"> 89</span> : : * Notably we now have more bits to throw progress into.</span> |
| <span id="L90"><span class="lineNum"> 90</span> : : *</span> |
| <span id="L91"><span class="lineNum"> 91</span> : : * Our layout looks like this:</span> |
| <span id="L92"><span class="lineNum"> 92</span> : : * MSB (bit 15): 1 = Comes from OPAL</span> |
| <span id="L93"><span class="lineNum"> 93</span> : : * bit 14 : 0 = OP_MOD_INIT (the main one), 1 = (see bit 13)</span> |
| <span id="L94"><span class="lineNum"> 94</span> : : * bits 13-2 : (if bit 6=0, low 12 bits of op-panel code)</span> |
| <span id="L95"><span class="lineNum"> 95</span> : : * bit 13,12 : (if bit 6=1, other OP_MOD_ values in bits 13 and 12:</span> |
| <span id="L96"><span class="lineNum"> 96</span> : : * 00b=OP_MOD_CPU, 01b=OP_MOD_LOCK,</span> |
| <span id="L97"><span class="lineNum"> 97</span> : : * 10b=OP_MOD_MEM, 11b=OP_MOD_CHIPTOD)</span> |
| <span id="L98"><span class="lineNum"> 98</span> : : * and bits 11-2 are low 10 bits of op-panel code)</span> |
| <span id="L99"><span class="lineNum"> 99</span> : : *</span> |
| <span id="L100"><span class="lineNum"> 100</span> : : * bit 1,0: 00b=OP_LOG, 10b=OP_WARN, 01b=OP_ERROR, 11b=OP_FATAL</span> |
| <span id="L101"><span class="lineNum"> 101</span> : : * i.e. bit 0 indicates ERROR or FATAL.</span> |
| <span id="L102"><span class="lineNum"> 102</span> : : *</span> |
| <span id="L103"><span class="lineNum"> 103</span> : : * If port 80h number has the MSB and LSB set, then you died in OPAL.</span> |
| <span id="L104"><span class="lineNum"> 104</span> : : * Any *odd* number with the MSB set (i.e. > 0x80) indicates error.</span> |
| <span id="L105"><span class="lineNum"> 105</span> : : */</span> |
| <span id="L106"><span class="lineNum"> 106</span> :<span class="tlaGNC"> 16 : static inline uint16_t op_display_to_port8x(uint16_t last_value, enum op_severity s, enum op_module m, uint16_t c)</span></span> |
| <span id="L107"><span class="lineNum"> 107</span> : : {</span> |
| <span id="L108"><span class="lineNum"> 108</span> :<span class="tlaGNC"> 16 : uint16_t r = 0x8000; /* Start with top bit set indicating in OPAL */</span></span> |
| <span id="L109"><span class="lineNum"> 109</span> : : </span> |
| <span id="L110"><span class="lineNum"> 110</span> :<span class="tlaGNC"> 16 : switch(m) {</span></span> |
| <span id="L111"><span class="lineNum"> 111</span> :<span class="tlaGNC"> 7 : case OP_MOD_INIT:</span></span> |
| <span id="L112"><span class="lineNum"> 112</span> : : /* bit 6 is zero */</span> |
| <span id="L113"><span class="lineNum"> 113</span> : : /* bits 13 through 2 have low 12 bits of c */</span> |
| <span id="L114"><span class="lineNum"> 114</span> :<span class="tlaGNC"> 7 : r |= (c & 0xFFF) << 2;</span></span> |
| <span id="L115"><span class="lineNum"> 115</span> :<span class="tlaGNC"> 7 : break;</span></span> |
| <span id="L116"><span class="lineNum"> 116</span> :<span class="tlaGNC"> 1 : case OP_MOD_CPU:</span></span> |
| <span id="L117"><span class="lineNum"> 117</span> :<span class="tlaGNC"> 1 : r |= 0x4000 | (c & 0x03FF) << 2;</span></span> |
| <span id="L118"><span class="lineNum"> 118</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L119"><span class="lineNum"> 119</span> :<span class="tlaGNC"> 2 : case OP_MOD_LOCK:</span></span> |
| <span id="L120"><span class="lineNum"> 120</span> :<span class="tlaGNC"> 2 : r |= 0x5000 | (c & 0x03FF) << 2;</span></span> |
| <span id="L121"><span class="lineNum"> 121</span> :<span class="tlaGNC"> 2 : break;</span></span> |
| <span id="L122"><span class="lineNum"> 122</span> :<span class="tlaGNC"> 2 : case OP_MOD_MEM:</span></span> |
| <span id="L123"><span class="lineNum"> 123</span> :<span class="tlaGNC"> 2 : r |= 0x6000 | (c & 0x03FF) << 2;</span></span> |
| <span id="L124"><span class="lineNum"> 124</span> :<span class="tlaGNC"> 2 : break;</span></span> |
| <span id="L125"><span class="lineNum"> 125</span> :<span class="tlaGNC"> 1 : case OP_MOD_CHIPTOD:</span></span> |
| <span id="L126"><span class="lineNum"> 126</span> :<span class="tlaGNC"> 1 : r |= 0x7000 | (c & 0x03FF) << 2;</span></span> |
| <span id="L127"><span class="lineNum"> 127</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L128"><span class="lineNum"> 128</span> :<span class="tlaGNC"> 1 : case OP_MOD_CORE:</span></span> |
| <span id="L129"><span class="lineNum"> 129</span> : : /*</span> |
| <span id="L130"><span class="lineNum"> 130</span> : : * Only current OP_MOD_CORE is where we're OP_FATAL,</span> |
| <span id="L131"><span class="lineNum"> 131</span> : : * So let's go for the last value set and tweak the</span> |
| <span id="L132"><span class="lineNum"> 132</span> : : * bits for OP_FATAL.</span> |
| <span id="L133"><span class="lineNum"> 133</span> : : */</span> |
| <span id="L134"><span class="lineNum"> 134</span> :<span class="tlaGNC"> 1 : r = last_value & 0xFFFC;</span></span> |
| <span id="L135"><span class="lineNum"> 135</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L136"><span class="lineNum"> 136</span> :<span class="tlaGNC"> 2 : case OP_MOD_FSP:</span></span> |
| <span id="L137"><span class="lineNum"> 137</span> : : case OP_MOD_FSPCON:</span> |
| <span id="L138"><span class="lineNum"> 138</span> : : /* Should never be hit, port80h only used on non-FSP! */</span> |
| <span id="L139"><span class="lineNum"> 139</span> :<span class="tlaGNC"> 2 : break;</span></span> |
| <span id="L140"><span class="lineNum"> 140</span> : : }</span> |
| <span id="L141"><span class="lineNum"> 141</span> : : </span> |
| <span id="L142"><span class="lineNum"> 142</span> :<span class="tlaGNC"> 16 : switch(s) {</span></span> |
| <span id="L143"><span class="lineNum"> 143</span> :<span class="tlaGNC"> 7 : case OP_LOG:</span></span> |
| <span id="L144"><span class="lineNum"> 144</span> :<span class="tlaGNC"> 7 : break;</span></span> |
| <span id="L145"><span class="lineNum"> 145</span> :<span class="tlaGNC"> 3 : case OP_WARN:</span></span> |
| <span id="L146"><span class="lineNum"> 146</span> :<span class="tlaGNC"> 3 : r |= 0x02;</span></span> |
| <span id="L147"><span class="lineNum"> 147</span> :<span class="tlaGNC"> 3 : break;</span></span> |
| <span id="L148"><span class="lineNum"> 148</span> :<span class="tlaGNC"> 1 : case OP_ERROR:</span></span> |
| <span id="L149"><span class="lineNum"> 149</span> :<span class="tlaGNC"> 1 : r |= 0x01;</span></span> |
| <span id="L150"><span class="lineNum"> 150</span> :<span class="tlaGNC"> 1 : break;</span></span> |
| <span id="L151"><span class="lineNum"> 151</span> :<span class="tlaGNC"> 5 : case OP_FATAL:</span></span> |
| <span id="L152"><span class="lineNum"> 152</span> :<span class="tlaGNC"> 5 : r |= 0x03;</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"> 16 : return r;</span></span> |
| <span id="L156"><span class="lineNum"> 156</span> : : }</span> |
| <span id="L157"><span class="lineNum"> 157</span> : : </span> |
| <span id="L158"><span class="lineNum"> 158</span> : : </span> |
| <span id="L159"><span class="lineNum"> 159</span> :<span class="tlaGNC"> 16 : void op_display_lpc(enum op_severity s, enum op_module m, uint16_t c)</span></span> |
| <span id="L160"><span class="lineNum"> 160</span> : : {</span> |
| <span id="L161"><span class="lineNum"> 161</span> : : static uint8_t port80_val = 0x80;</span> |
| <span id="L162"><span class="lineNum"> 162</span> : : static uint16_t port8x_val = 0x8000;</span> |
| <span id="L163"><span class="lineNum"> 163</span> : : </span> |
| <span id="L164"><span class="lineNum"> 164</span> :<span class="tlaGNC"> 16 : if (chip_quirk(QUIRK_SIMICS))</span></span> |
| <span id="L165"><span class="lineNum"> 165</span> :<span class="tlaUNC tlaBgUNC"> 0 : return;</span></span> |
| <span id="L166"><span class="lineNum"> 166</span> : : </span> |
| <span id="L167"><span class="lineNum"> 167</span> :<span class="tlaGNC tlaBgGNC"> 16 : port80_val = op_display_to_port80(port80_val, s, m, c);</span></span> |
| <span id="L168"><span class="lineNum"> 168</span> :<span class="tlaGNC"> 16 : port8x_val = op_display_to_port8x(port8x_val, s, m, c);</span></span> |
| <span id="L169"><span class="lineNum"> 169</span> : : </span> |
| <span id="L170"><span class="lineNum"> 170</span> :<span class="tlaGNC"> 16 : lpc_probe_write(OPAL_LPC_IO, 0x80, port80_val, 1);</span></span> |
| <span id="L171"><span class="lineNum"> 171</span> :<span class="tlaGNC"> 16 : lpc_probe_write(OPAL_LPC_IO, 0x81, port8x_val >> 8, 1);</span></span> |
| <span id="L172"><span class="lineNum"> 172</span> :<span class="tlaGNC"> 16 : lpc_probe_write(OPAL_LPC_IO, 0x82, port8x_val & 0xff, 1);</span></span> |
| <span id="L173"><span class="lineNum"> 173</span> : : }</span> |
| <span id="L174"><span class="lineNum"> 174</span> : : </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> |
