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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> - time-utils.c<span style="font-size: 80%;"> (source / <a href="time-utils.c.func-c.html">functions</a>)</span></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="headerCovTableEntryHi">100.0 %</td> |
| <td class="headerCovTableEntry">18</td> |
| <td class="headerCovTableEntry">18</td> |
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| <td class="headerItem">Test Date:</td> |
| <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">2</td> |
| <td class="headerCovTableEntry">2</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> : : * Converts an OPAL formatted datetime into a struct tm. We ignore microseconds</span> |
| <span id="L4"><span class="lineNum"> 4</span> : : * as Linux doesn't use them anyway.</span> |
| <span id="L5"><span class="lineNum"> 5</span> : : *</span> |
| <span id="L6"><span class="lineNum"> 6</span> : : * | year | month | mday |</span> |
| <span id="L7"><span class="lineNum"> 7</span> : : * +------------------------------------+</span> |
| <span id="L8"><span class="lineNum"> 8</span> : : * | hour | minute | secs | reserved |</span> |
| <span id="L9"><span class="lineNum"> 9</span> : : * +------------------------------------+</span> |
| <span id="L10"><span class="lineNum"> 10</span> : : * | microseconds |</span> |
| <span id="L11"><span class="lineNum"> 11</span> : : *</span> |
| <span id="L12"><span class="lineNum"> 12</span> : : * Copyright 2013-2014 IBM Corp.</span> |
| <span id="L13"><span class="lineNum"> 13</span> : : */</span> |
| <span id="L14"><span class="lineNum"> 14</span> : : </span> |
| <span id="L15"><span class="lineNum"> 15</span> : : #include <time-utils.h></span> |
| <span id="L16"><span class="lineNum"> 16</span> : : </span> |
| <span id="L17"><span class="lineNum"> 17</span> :<span class="tlaGNC tlaBgGNC"> 1 : void datetime_to_tm(uint32_t y_m_d, uint64_t h_m_s_m, struct tm *tm)</span></span> |
| <span id="L18"><span class="lineNum"> 18</span> : : {</span> |
| <span id="L19"><span class="lineNum"> 19</span> : : uint32_t x;</span> |
| <span id="L20"><span class="lineNum"> 20</span> : : </span> |
| <span id="L21"><span class="lineNum"> 21</span> :<span class="tlaGNC"> 1 : tm->tm_year = bcd_byte(y_m_d, 3) * 100 + bcd_byte(y_m_d, 2);</span></span> |
| <span id="L22"><span class="lineNum"> 22</span> :<span class="tlaGNC"> 1 : tm->tm_mon = bcd_byte(y_m_d, 1) - 1;</span></span> |
| <span id="L23"><span class="lineNum"> 23</span> :<span class="tlaGNC"> 1 : tm->tm_mday = bcd_byte(y_m_d, 0);</span></span> |
| <span id="L24"><span class="lineNum"> 24</span> : : </span> |
| <span id="L25"><span class="lineNum"> 25</span> :<span class="tlaGNC"> 1 : x = h_m_s_m >> 32;</span></span> |
| <span id="L26"><span class="lineNum"> 26</span> :<span class="tlaGNC"> 1 : tm->tm_hour = bcd_byte(x, 3);</span></span> |
| <span id="L27"><span class="lineNum"> 27</span> :<span class="tlaGNC"> 1 : tm->tm_min = bcd_byte(x, 2);</span></span> |
| <span id="L28"><span class="lineNum"> 28</span> :<span class="tlaGNC"> 1 : tm->tm_sec = bcd_byte(x, 1);</span></span> |
| <span id="L29"><span class="lineNum"> 29</span> :<span class="tlaGNC"> 1 : }</span></span> |
| <span id="L30"><span class="lineNum"> 30</span> : : </span> |
| <span id="L31"><span class="lineNum"> 31</span> : : /*</span> |
| <span id="L32"><span class="lineNum"> 32</span> : : * The OPAL API is defined as returned a u64 of a similar</span> |
| <span id="L33"><span class="lineNum"> 33</span> : : * format to the FSP message; the 32-bit date field is</span> |
| <span id="L34"><span class="lineNum"> 34</span> : : * in the format:</span> |
| <span id="L35"><span class="lineNum"> 35</span> : : *</span> |
| <span id="L36"><span class="lineNum"> 36</span> : : * | year | month | mday |</span> |
| <span id="L37"><span class="lineNum"> 37</span> : : *</span> |
| <span id="L38"><span class="lineNum"> 38</span> : : * ... and the 64-bit time field is in the format</span> |
| <span id="L39"><span class="lineNum"> 39</span> : : *</span> |
| <span id="L40"><span class="lineNum"> 40</span> : : * | hour | minutes | secs | millisec |</span> |
| <span id="L41"><span class="lineNum"> 41</span> : : * | -------------------------------------</span> |
| <span id="L42"><span class="lineNum"> 42</span> : : * | millisec | reserved |</span> |
| <span id="L43"><span class="lineNum"> 43</span> : : *</span> |
| <span id="L44"><span class="lineNum"> 44</span> : : * We simply ignore the microseconds/milliseconds for now</span> |
| <span id="L45"><span class="lineNum"> 45</span> : : * as I don't quite understand why the OPAL API defines that</span> |
| <span id="L46"><span class="lineNum"> 46</span> : : * it needs 6 digits for the milliseconds :-) I suspect the</span> |
| <span id="L47"><span class="lineNum"> 47</span> : : * doc got that wrong and it's supposed to be micro but</span> |
| <span id="L48"><span class="lineNum"> 48</span> : : * let's ignore it.</span> |
| <span id="L49"><span class="lineNum"> 49</span> : : *</span> |
| <span id="L50"><span class="lineNum"> 50</span> : : * Note that Linux doesn't use nor set the ms field anyway.</span> |
| <span id="L51"><span class="lineNum"> 51</span> : : */</span> |
| <span id="L52"><span class="lineNum"> 52</span> :<span class="tlaGNC"> 1 : void tm_to_datetime(struct tm *tm, uint32_t *y_m_d, uint64_t *h_m_s_m)</span></span> |
| <span id="L53"><span class="lineNum"> 53</span> : : {</span> |
| <span id="L54"><span class="lineNum"> 54</span> : : uint64_t h_m_s;</span> |
| <span id="L55"><span class="lineNum"> 55</span> :<span class="tlaGNC"> 1 : *y_m_d = int_to_bcd4(tm->tm_year) << 16 |</span></span> |
| <span id="L56"><span class="lineNum"> 56</span> :<span class="tlaGNC"> 1 : int_to_bcd2(tm->tm_mon + 1) << 8 |</span></span> |
| <span id="L57"><span class="lineNum"> 57</span> :<span class="tlaGNC"> 1 : int_to_bcd2(tm->tm_mday);</span></span> |
| <span id="L58"><span class="lineNum"> 58</span> : : </span> |
| <span id="L59"><span class="lineNum"> 59</span> :<span class="tlaGNC"> 1 : h_m_s = int_to_bcd2(tm->tm_hour) << 24 |</span></span> |
| <span id="L60"><span class="lineNum"> 60</span> :<span class="tlaGNC"> 1 : int_to_bcd2(tm->tm_min) << 16 |</span></span> |
| <span id="L61"><span class="lineNum"> 61</span> :<span class="tlaGNC"> 1 : int_to_bcd2(tm->tm_sec) << 8;</span></span> |
| <span id="L62"><span class="lineNum"> 62</span> : : </span> |
| <span id="L63"><span class="lineNum"> 63</span> :<span class="tlaGNC"> 1 : *h_m_s_m = h_m_s << 32;</span></span> |
| <span id="L64"><span class="lineNum"> 64</span> :<span class="tlaGNC"> 1 : }</span></span> |
| </pre> |
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