1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>LCOV - skiboot.info - core/fdt.c</title>
<link rel="stylesheet" type="text/css" href="../gcov.css">
</head>
<body>
<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="title">LCOV - code coverage report</td></tr>
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
<tr>
<td width="100%">
<table cellpadding=1 border=0 width="100%">
<tr>
<td width="10%" class="headerItem">Current view:</td>
<td width="35%" 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-sort-c.html">functions</a>)</span></td>
<td width="5%"></td>
<td width="15%"></td>
<td width="10%" class="headerCovTableHead">Hit</td>
<td width="10%" class="headerCovTableHead">Total</td>
<td width="15%" class="headerCovTableHead">Coverage</td>
</tr>
<tr>
<td class="headerItem">Test:</td>
<td class="headerValue">skiboot.info</td>
<td></td>
<td class="headerItem">Lines:</td>
<td class="headerCovTableEntry">64</td>
<td class="headerCovTableEntry">101</td>
<td class="headerCovTableEntryLo">63.4 %</td>
</tr>
<tr>
<td class="headerItem">Date:</td>
<td class="headerValue">2022-05-24 17:20:14</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntry">10</td>
<td class="headerCovTableEntry">11</td>
<td class="headerCovTableEntryHi">90.9 %</td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td class="headerItem">Branches:</td>
<td class="headerCovTableEntry">0</td>
<td class="headerCovTableEntry">0</td>
<td class="headerCovTableEntryHi">-</td>
</tr>
<tr><td><img src="../glass.png" width=3 height=3 alt=""></td></tr>
</table>
</td>
</tr>
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
</table>
<table cellpadding=0 cellspacing=0 border=0>
<tr>
<td><br></td>
</tr>
<tr>
<td>
<pre class="sourceHeading"> Branch data Line data Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum"> 1 </span> : : // SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later</a>
<a name="2"><span class="lineNum"> 2 </span> : : /*</a>
<a name="3"><span class="lineNum"> 3 </span> : : * Produce and consume flattened device trees</a>
<a name="4"><span class="lineNum"> 4 </span> : : *</a>
<a name="5"><span class="lineNum"> 5 </span> : : * Copyright 2013-2019 IBM Corp.</a>
<a name="6"><span class="lineNum"> 6 </span> : : */</a>
<a name="7"><span class="lineNum"> 7 </span> : : </a>
<a name="8"><span class="lineNum"> 8 </span> : : #include <skiboot.h></a>
<a name="9"><span class="lineNum"> 9 </span> : : #include <stdarg.h></a>
<a name="10"><span class="lineNum"> 10 </span> : : #include <libfdt.h></a>
<a name="11"><span class="lineNum"> 11 </span> : : #include <device.h></a>
<a name="12"><span class="lineNum"> 12 </span> : : #include <chip.h></a>
<a name="13"><span class="lineNum"> 13 </span> : : #include <cpu.h></a>
<a name="14"><span class="lineNum"> 14 </span> : : #include <opal.h></a>
<a name="15"><span class="lineNum"> 15 </span> : : #include <interrupts.h></a>
<a name="16"><span class="lineNum"> 16 </span> : : #include <fsp.h></a>
<a name="17"><span class="lineNum"> 17 </span> : : #include <cec.h></a>
<a name="18"><span class="lineNum"> 18 </span> : : #include <vpd.h></a>
<a name="19"><span class="lineNum"> 19 </span> : : #include <ccan/str/str.h></a>
<a name="20"><span class="lineNum"> 20 </span> : : </a>
<a name="21"><span class="lineNum"> 21 </span> : : static int fdt_error;</a>
<a name="22"><span class="lineNum"> 22 </span> : : </a>
<a name="23"><span class="lineNum"> 23 </span> : : #undef DEBUG_FDT</a>
<a name="24"><span class="lineNum"> 24 </span> : : #ifdef DEBUG_FDT</a>
<a name="25"><span class="lineNum"> 25 </span> : : #define FDT_DBG(fmt, a...) prlog(PR_DEBUG, "FDT: " fmt, ##a)</a>
<a name="26"><span class="lineNum"> 26 </span> : : #else</a>
<a name="27"><span class="lineNum"> 27 </span> : : #define FDT_DBG(fmt, a...)</a>
<a name="28"><span class="lineNum"> 28 </span> : : #endif</a>
<a name="29"><span class="lineNum"> 29 </span> : : </a>
<a name="30"><span class="lineNum"> 30 </span> :<span class="lineCov"> 3295 : static void __save_err(int err, const char *str)</span></a>
<a name="31"><span class="lineNum"> 31 </span> : : {</a>
<a name="32"><span class="lineNum"> 32 </span> : : FDT_DBG("rc: %d from \"%s\"\n", err, str);</a>
<a name="33"><span class="lineNum"> 33 </span> :<span class="lineCov"> 3295 : if (err && !fdt_error) {</span></a>
<a name="34"><span class="lineNum"> 34 </span> :<span class="lineNoCov"> 0 : prerror("FDT: Error %d from \"%s\"\n", err, str);</span></a>
<a name="35"><span class="lineNum"> 35 </span> :<span class="lineNoCov"> 0 : fdt_error = err;</span></a>
<a name="36"><span class="lineNum"> 36 </span> : : }</a>
<a name="37"><span class="lineNum"> 37 </span> :<span class="lineCov"> 3295 : }</span></a>
<a name="38"><span class="lineNum"> 38 </span> : : </a>
<a name="39"><span class="lineNum"> 39 </span> : : #define save_err(...) __save_err(__VA_ARGS__, #__VA_ARGS__)</a>
<a name="40"><span class="lineNum"> 40 </span> : : </a>
<a name="41"><span class="lineNum"> 41 </span> :<span class="lineCov"> 236 : static void dt_property_cell(void *fdt, const char *name, u32 cell)</span></a>
<a name="42"><span class="lineNum"> 42 </span> : : {</a>
<a name="43"><span class="lineNum"> 43 </span> :<span class="lineCov"> 236 : save_err(fdt_property_cell(fdt, name, cell));</span></a>
<a name="44"><span class="lineNum"> 44 </span> :<span class="lineCov"> 236 : }</span></a>
<a name="45"><span class="lineNum"> 45 </span> : : </a>
<a name="46"><span class="lineNum"> 46 </span> :<span class="lineCov"> 236 : static void dt_begin_node(void *fdt, const struct dt_node *dn)</span></a>
<a name="47"><span class="lineNum"> 47 </span> : : {</a>
<a name="48"><span class="lineNum"> 48 </span> :<span class="lineCov"> 236 : save_err(fdt_begin_node(fdt, dn->name));</span></a>
<a name="49"><span class="lineNum"> 49 </span> : : </a>
<a name="50"><span class="lineNum"> 50 </span> :<span class="lineCov"> 236 : dt_property_cell(fdt, "phandle", dn->phandle);</span></a>
<a name="51"><span class="lineNum"> 51 </span> :<span class="lineCov"> 236 : }</span></a>
<a name="52"><span class="lineNum"> 52 </span> : : </a>
<a name="53"><span class="lineNum"> 53 </span> :<span class="lineCov"> 2575 : static void dt_property(void *fdt, const struct dt_property *p)</span></a>
<a name="54"><span class="lineNum"> 54 </span> : : {</a>
<a name="55"><span class="lineNum"> 55 </span> :<span class="lineCov"> 2575 : save_err(fdt_property(fdt, p->name, p->prop, p->len));</span></a>
<a name="56"><span class="lineNum"> 56 </span> :<span class="lineCov"> 2575 : }</span></a>
<a name="57"><span class="lineNum"> 57 </span> : : </a>
<a name="58"><span class="lineNum"> 58 </span> :<span class="lineCov"> 236 : static void dt_end_node(void *fdt)</span></a>
<a name="59"><span class="lineNum"> 59 </span> : : {</a>
<a name="60"><span class="lineNum"> 60 </span> :<span class="lineCov"> 236 : save_err(fdt_end_node(fdt));</span></a>
<a name="61"><span class="lineNum"> 61 </span> :<span class="lineCov"> 236 : }</span></a>
<a name="62"><span class="lineNum"> 62 </span> : : </a>
<a name="63"><span class="lineNum"> 63 </span> : : #ifdef DEBUG_FDT</a>
<a name="64"><span class="lineNum"> 64 </span> : : static void dump_fdt(void *fdt)</a>
<a name="65"><span class="lineNum"> 65 </span> : : {</a>
<a name="66"><span class="lineNum"> 66 </span> : : int i, off, depth, err;</a>
<a name="67"><span class="lineNum"> 67 </span> : : </a>
<a name="68"><span class="lineNum"> 68 </span> : : prlog(PR_INFO, "Device tree %u@%p\n", fdt_totalsize(fdt), fdt);</a>
<a name="69"><span class="lineNum"> 69 </span> : : err = fdt_check_header(fdt);</a>
<a name="70"><span class="lineNum"> 70 </span> : : if (err) {</a>
<a name="71"><span class="lineNum"> 71 </span> : : prerror("fdt_check_header: %s\n", fdt_strerror(err));</a>
<a name="72"><span class="lineNum"> 72 </span> : : return;</a>
<a name="73"><span class="lineNum"> 73 </span> : : }</a>
<a name="74"><span class="lineNum"> 74 </span> : : prlog(PR_INFO, "fdt_check_header passed\n");</a>
<a name="75"><span class="lineNum"> 75 </span> : : </a>
<a name="76"><span class="lineNum"> 76 </span> : : prlog(PR_INFO, "fdt_num_mem_rsv = %u\n", fdt_num_mem_rsv(fdt));</a>
<a name="77"><span class="lineNum"> 77 </span> : : for (i = 0; i < fdt_num_mem_rsv(fdt); i++) {</a>
<a name="78"><span class="lineNum"> 78 </span> : : u64 addr, size;</a>
<a name="79"><span class="lineNum"> 79 </span> : : </a>
<a name="80"><span class="lineNum"> 80 </span> : : err = fdt_get_mem_rsv(fdt, i, &addr, &size);</a>
<a name="81"><span class="lineNum"> 81 </span> : : if (err) {</a>
<a name="82"><span class="lineNum"> 82 </span> : : prlog(PR_INFO, " ERR %s\n", fdt_strerror(err));</a>
<a name="83"><span class="lineNum"> 83 </span> : : return;</a>
<a name="84"><span class="lineNum"> 84 </span> : : }</a>
<a name="85"><span class="lineNum"> 85 </span> : : prlog(PR_INFO, " mem_rsv[%i] = %lu@%#lx\n",</a>
<a name="86"><span class="lineNum"> 86 </span> : : i, (long)addr, (long)size);</a>
<a name="87"><span class="lineNum"> 87 </span> : : }</a>
<a name="88"><span class="lineNum"> 88 </span> : : </a>
<a name="89"><span class="lineNum"> 89 </span> : : for (off = fdt_next_node(fdt, 0, &depth);</a>
<a name="90"><span class="lineNum"> 90 </span> : : off > 0;</a>
<a name="91"><span class="lineNum"> 91 </span> : : off = fdt_next_node(fdt, off, &depth)) {</a>
<a name="92"><span class="lineNum"> 92 </span> : : int len;</a>
<a name="93"><span class="lineNum"> 93 </span> : : const char *name;</a>
<a name="94"><span class="lineNum"> 94 </span> : : </a>
<a name="95"><span class="lineNum"> 95 </span> : : name = fdt_get_name(fdt, off, &len);</a>
<a name="96"><span class="lineNum"> 96 </span> : : if (!name) {</a>
<a name="97"><span class="lineNum"> 97 </span> : : prerror("fdt: offset %i no name!\n", off);</a>
<a name="98"><span class="lineNum"> 98 </span> : : return;</a>
<a name="99"><span class="lineNum"> 99 </span> : : }</a>
<a name="100"><span class="lineNum"> 100 </span> : : prlog(PR_INFO, "name: %s [%u]\n", name, off);</a>
<a name="101"><span class="lineNum"> 101 </span> : : }</a>
<a name="102"><span class="lineNum"> 102 </span> : : }</a>
<a name="103"><span class="lineNum"> 103 </span> : : #endif</a>
<a name="104"><span class="lineNum"> 104 </span> : : </a>
<a name="105"><span class="lineNum"> 105 </span> :<span class="lineCov"> 236 : static void flatten_dt_properties(void *fdt, const struct dt_node *dn)</span></a>
<a name="106"><span class="lineNum"> 106 </span> : : {</a>
<a name="107"><span class="lineNum"> 107 </span> : : const struct dt_property *p;</a>
<a name="108"><span class="lineNum"> 108 </span> : : </a>
<a name="109"><span class="lineNum"> 109 </span> :<span class="lineCov"> 2819 : list_for_each(&dn->properties, p, list) {</span></a>
<a name="110"><span class="lineNum"> 110 </span> :<span class="lineCov"> 2583 : if (strstarts(p->name, DT_PRIVATE))</span></a>
<a name="111"><span class="lineNum"> 111 </span> :<span class="lineCov"> 8 : continue;</span></a>
<a name="112"><span class="lineNum"> 112 </span> : : </a>
<a name="113"><span class="lineNum"> 113 </span> : : FDT_DBG(" prop: %s size: %ld\n", p->name, p->len);</a>
<a name="114"><span class="lineNum"> 114 </span> :<span class="lineCov"> 2575 : dt_property(fdt, p);</span></a>
<a name="115"><span class="lineNum"> 115 </span> : : }</a>
<a name="116"><span class="lineNum"> 116 </span> :<span class="lineCov"> 236 : }</span></a>
<a name="117"><span class="lineNum"> 117 </span> : : </a>
<a name="118"><span class="lineNum"> 118 </span> :<span class="lineCov"> 236 : static void flatten_dt_node(void *fdt, const struct dt_node *root,</span></a>
<a name="119"><span class="lineNum"> 119 </span> : : bool exclusive)</a>
<a name="120"><span class="lineNum"> 120 </span> : : {</a>
<a name="121"><span class="lineNum"> 121 </span> : : const struct dt_node *i;</a>
<a name="122"><span class="lineNum"> 122 </span> : : </a>
<a name="123"><span class="lineNum"> 123 </span> :<span class="lineCov"> 236 : if (!exclusive) {</span></a>
<a name="124"><span class="lineNum"> 124 </span> : : FDT_DBG("node: %s\n", root->name);</a>
<a name="125"><span class="lineNum"> 125 </span> :<span class="lineCov"> 236 : dt_begin_node(fdt, root);</span></a>
<a name="126"><span class="lineNum"> 126 </span> :<span class="lineCov"> 236 : flatten_dt_properties(fdt, root);</span></a>
<a name="127"><span class="lineNum"> 127 </span> : : }</a>
<a name="128"><span class="lineNum"> 128 </span> : : </a>
<a name="129"><span class="lineNum"> 129 </span> :<span class="lineCov"> 470 : list_for_each(&root->children, i, list)</span></a>
<a name="130"><span class="lineNum"> 130 </span> :<span class="lineCov"> 234 : flatten_dt_node(fdt, i, false);</span></a>
<a name="131"><span class="lineNum"> 131 </span> : : </a>
<a name="132"><span class="lineNum"> 132 </span> :<span class="lineCov"> 236 : if (!exclusive)</span></a>
<a name="133"><span class="lineNum"> 133 </span> :<span class="lineCov"> 236 : dt_end_node(fdt);</span></a>
<a name="134"><span class="lineNum"> 134 </span> :<span class="lineCov"> 236 : }</span></a>
<a name="135"><span class="lineNum"> 135 </span> : : </a>
<a name="136"><span class="lineNum"> 136 </span> :<span class="lineCov"> 2 : static void create_dtb_reservemap(void *fdt, const struct dt_node *root)</span></a>
<a name="137"><span class="lineNum"> 137 </span> : : {</a>
<a name="138"><span class="lineNum"> 138 </span> : : uint64_t base, size;</a>
<a name="139"><span class="lineNum"> 139 </span> : : const __be64 *ranges;</a>
<a name="140"><span class="lineNum"> 140 </span> : : const struct dt_property *prop;</a>
<a name="141"><span class="lineNum"> 141 </span> : : int i;</a>
<a name="142"><span class="lineNum"> 142 </span> : : </a>
<a name="143"><span class="lineNum"> 143 </span> : : /* Duplicate the reserved-ranges property into the fdt reservemap */</a>
<a name="144"><span class="lineNum"> 144 </span> :<span class="lineCov"> 2 : prop = dt_find_property(root, "reserved-ranges");</span></a>
<a name="145"><span class="lineNum"> 145 </span> :<span class="lineCov"> 2 : if (prop) {</span></a>
<a name="146"><span class="lineNum"> 146 </span> :<span class="lineCov"> 2 : ranges = (const void *)prop->prop;</span></a>
<a name="147"><span class="lineNum"> 147 </span> : : </a>
<a name="148"><span class="lineNum"> 148 </span> :<span class="lineCov"> 8 : for (i = 0; i < prop->len / (sizeof(uint64_t) * 2); i++) {</span></a>
<a name="149"><span class="lineNum"> 149 </span> :<span class="lineCov"> 6 : base = be64_to_cpu(*(ranges++));</span></a>
<a name="150"><span class="lineNum"> 150 </span> :<span class="lineCov"> 6 : size = be64_to_cpu(*(ranges++));</span></a>
<a name="151"><span class="lineNum"> 151 </span> :<span class="lineCov"> 6 : save_err(fdt_add_reservemap_entry(fdt, base, size));</span></a>
<a name="152"><span class="lineNum"> 152 </span> : : }</a>
<a name="153"><span class="lineNum"> 153 </span> : : }</a>
<a name="154"><span class="lineNum"> 154 </span> : : </a>
<a name="155"><span class="lineNum"> 155 </span> :<span class="lineCov"> 2 : save_err(fdt_finish_reservemap(fdt));</span></a>
<a name="156"><span class="lineNum"> 156 </span> :<span class="lineCov"> 2 : }</span></a>
<a name="157"><span class="lineNum"> 157 </span> : : </a>
<a name="158"><span class="lineNum"> 158 </span> :<span class="lineCov"> 2 : static int __create_dtb(void *fdt, size_t len,</span></a>
<a name="159"><span class="lineNum"> 159 </span> : : const struct dt_node *root,</a>
<a name="160"><span class="lineNum"> 160 </span> : : bool exclusive)</a>
<a name="161"><span class="lineNum"> 161 </span> : : {</a>
<a name="162"><span class="lineNum"> 162 </span> :<span class="lineCov"> 2 : if (chip_quirk(QUIRK_SLOW_SIM))</span></a>
<a name="163"><span class="lineNum"> 163 </span> :<span class="lineNoCov"> 0 : save_err(fdt_create_with_flags(fdt, len, FDT_CREATE_FLAG_NO_NAME_DEDUP));</span></a>
<a name="164"><span class="lineNum"> 164 </span> : : else</a>
<a name="165"><span class="lineNum"> 165 </span> :<span class="lineCov"> 2 : save_err(fdt_create_with_flags(fdt, len, 0));</span></a>
<a name="166"><span class="lineNum"> 166 </span> :<span class="lineCov"> 2 : if (fdt_error)</span></a>
<a name="167"><span class="lineNum"> 167 </span> :<span class="lineNoCov"> 0 : goto err;</span></a>
<a name="168"><span class="lineNum"> 168 </span> : : </a>
<a name="169"><span class="lineNum"> 169 </span> :<span class="lineCov"> 2 : if (root == dt_root && !exclusive)</span></a>
<a name="170"><span class="lineNum"> 170 </span> :<span class="lineCov"> 2 : create_dtb_reservemap(fdt, root);</span></a>
<a name="171"><span class="lineNum"> 171 </span> : : else</a>
<a name="172"><span class="lineNum"> 172 </span> :<span class="lineNoCov"> 0 : save_err(fdt_finish_reservemap(fdt));</span></a>
<a name="173"><span class="lineNum"> 173 </span> : : </a>
<a name="174"><span class="lineNum"> 174 </span> :<span class="lineCov"> 2 : flatten_dt_node(fdt, root, exclusive);</span></a>
<a name="175"><span class="lineNum"> 175 </span> : : </a>
<a name="176"><span class="lineNum"> 176 </span> :<span class="lineCov"> 2 : save_err(fdt_finish(fdt));</span></a>
<a name="177"><span class="lineNum"> 177 </span> :<span class="lineCov"> 2 : if (fdt_error) {</span></a>
<a name="178"><span class="lineNum"> 178 </span> :<span class="lineNoCov"> 0 : err:</span></a>
<a name="179"><span class="lineNum"> 179 </span> :<span class="lineNoCov"> 0 : prerror("dtb: error %s\n", fdt_strerror(fdt_error));</span></a>
<a name="180"><span class="lineNum"> 180 </span> :<span class="lineNoCov"> 0 : return fdt_error;</span></a>
<a name="181"><span class="lineNum"> 181 </span> : : }</a>
<a name="182"><span class="lineNum"> 182 </span> : : </a>
<a name="183"><span class="lineNum"> 183 </span> : : #ifdef DEBUG_FDT</a>
<a name="184"><span class="lineNum"> 184 </span> : : dump_fdt(fdt);</a>
<a name="185"><span class="lineNum"> 185 </span> : : #endif</a>
<a name="186"><span class="lineNum"> 186 </span> :<span class="lineCov"> 2 : return 0;</span></a>
<a name="187"><span class="lineNum"> 187 </span> : : }</a>
<a name="188"><span class="lineNum"> 188 </span> : : </a>
<a name="189"><span class="lineNum"> 189 </span> :<span class="lineCov"> 2 : void *create_dtb(const struct dt_node *root, bool exclusive)</span></a>
<a name="190"><span class="lineNum"> 190 </span> : : {</a>
<a name="191"><span class="lineNum"> 191 </span> :<span class="lineCov"> 2 : void *fdt = NULL;</span></a>
<a name="192"><span class="lineNum"> 192 </span> :<span class="lineCov"> 2 : size_t len = DEVICE_TREE_MAX_SIZE;</span></a>
<a name="193"><span class="lineNum"> 193 </span> :<span class="lineCov"> 2 : uint32_t old_last_phandle = get_last_phandle();</span></a>
<a name="194"><span class="lineNum"> 194 </span> : : int ret;</a>
<a name="195"><span class="lineNum"> 195 </span> : : </a>
<a name="196"><span class="lineNum"> 196 </span> : : do {</a>
<a name="197"><span class="lineNum"> 197 </span> :<span class="lineCov"> 2 : set_last_phandle(old_last_phandle);</span></a>
<a name="198"><span class="lineNum"> 198 </span> :<span class="lineCov"> 2 : fdt_error = 0;</span></a>
<a name="199"><span class="lineNum"> 199 </span> :<span class="lineCov"> 2 : fdt = malloc(len);</span></a>
<a name="200"><span class="lineNum"> 200 </span> :<span class="lineCov"> 2 : if (!fdt) {</span></a>
<a name="201"><span class="lineNum"> 201 </span> :<span class="lineNoCov"> 0 : prerror("dtb: could not malloc %lu\n", (long)len);</span></a>
<a name="202"><span class="lineNum"> 202 </span> :<span class="lineNoCov"> 0 : return NULL;</span></a>
<a name="203"><span class="lineNum"> 203 </span> : : }</a>
<a name="204"><span class="lineNum"> 204 </span> : : </a>
<a name="205"><span class="lineNum"> 205 </span> :<span class="lineCov"> 2 : ret = __create_dtb(fdt, len, root, exclusive);</span></a>
<a name="206"><span class="lineNum"> 206 </span> :<span class="lineCov"> 2 : if (ret) {</span></a>
<a name="207"><span class="lineNum"> 207 </span> :<span class="lineNoCov"> 0 : free(fdt);</span></a>
<a name="208"><span class="lineNum"> 208 </span> :<span class="lineNoCov"> 0 : fdt = NULL;</span></a>
<a name="209"><span class="lineNum"> 209 </span> : : }</a>
<a name="210"><span class="lineNum"> 210 </span> : : </a>
<a name="211"><span class="lineNum"> 211 </span> :<span class="lineCov"> 2 : len *= 2;</span></a>
<a name="212"><span class="lineNum"> 212 </span> :<span class="lineCov"> 2 : } while (ret == -FDT_ERR_NOSPACE);</span></a>
<a name="213"><span class="lineNum"> 213 </span> : : </a>
<a name="214"><span class="lineNum"> 214 </span> :<span class="lineCov"> 2 : return fdt;</span></a>
<a name="215"><span class="lineNum"> 215 </span> : : }</a>
<a name="216"><span class="lineNum"> 216 </span> : : </a>
<a name="217"><span class="lineNum"> 217 </span> :<span class="lineNoCov"> 0 : static int64_t opal_get_device_tree(uint32_t phandle,</span></a>
<a name="218"><span class="lineNum"> 218 </span> : : uint64_t buf, uint64_t len)</a>
<a name="219"><span class="lineNum"> 219 </span> : : {</a>
<a name="220"><span class="lineNum"> 220 </span> : : struct dt_node *root;</a>
<a name="221"><span class="lineNum"> 221 </span> :<span class="lineNoCov"> 0 : void *fdt = (void *)buf;</span></a>
<a name="222"><span class="lineNum"> 222 </span> : : uint32_t old_last_phandle;</a>
<a name="223"><span class="lineNum"> 223 </span> : : int64_t totalsize;</a>
<a name="224"><span class="lineNum"> 224 </span> : : int ret;</a>
<a name="225"><span class="lineNum"> 225 </span> : : </a>
<a name="226"><span class="lineNum"> 226 </span> :<span class="lineNoCov"> 0 : if (!opal_addr_valid(fdt))</span></a>
<a name="227"><span class="lineNum"> 227 </span> :<span class="lineNoCov"> 0 : return OPAL_PARAMETER;</span></a>
<a name="228"><span class="lineNum"> 228 </span> : : </a>
<a name="229"><span class="lineNum"> 229 </span> :<span class="lineNoCov"> 0 : root = dt_find_by_phandle(dt_root, phandle);</span></a>
<a name="230"><span class="lineNum"> 230 </span> :<span class="lineNoCov"> 0 : if (!root)</span></a>
<a name="231"><span class="lineNum"> 231 </span> :<span class="lineNoCov"> 0 : return OPAL_PARAMETER;</span></a>
<a name="232"><span class="lineNum"> 232 </span> : : </a>
<a name="233"><span class="lineNum"> 233 </span> :<span class="lineNoCov"> 0 : if (!fdt) {</span></a>
<a name="234"><span class="lineNum"> 234 </span> :<span class="lineNoCov"> 0 : fdt = create_dtb(root, true);</span></a>
<a name="235"><span class="lineNum"> 235 </span> :<span class="lineNoCov"> 0 : if (!fdt)</span></a>
<a name="236"><span class="lineNum"> 236 </span> :<span class="lineNoCov"> 0 : return OPAL_INTERNAL_ERROR;</span></a>
<a name="237"><span class="lineNum"> 237 </span> :<span class="lineNoCov"> 0 : totalsize = fdt_totalsize(fdt);</span></a>
<a name="238"><span class="lineNum"> 238 </span> :<span class="lineNoCov"> 0 : free(fdt);</span></a>
<a name="239"><span class="lineNum"> 239 </span> :<span class="lineNoCov"> 0 : return totalsize;</span></a>
<a name="240"><span class="lineNum"> 240 </span> : : }</a>
<a name="241"><span class="lineNum"> 241 </span> : : </a>
<a name="242"><span class="lineNum"> 242 </span> :<span class="lineNoCov"> 0 : if (!len)</span></a>
<a name="243"><span class="lineNum"> 243 </span> :<span class="lineNoCov"> 0 : return OPAL_PARAMETER;</span></a>
<a name="244"><span class="lineNum"> 244 </span> : : </a>
<a name="245"><span class="lineNum"> 245 </span> :<span class="lineNoCov"> 0 : fdt_error = 0;</span></a>
<a name="246"><span class="lineNum"> 246 </span> :<span class="lineNoCov"> 0 : old_last_phandle = get_last_phandle();</span></a>
<a name="247"><span class="lineNum"> 247 </span> :<span class="lineNoCov"> 0 : ret = __create_dtb(fdt, len, root, true);</span></a>
<a name="248"><span class="lineNum"> 248 </span> :<span class="lineNoCov"> 0 : if (ret) {</span></a>
<a name="249"><span class="lineNum"> 249 </span> :<span class="lineNoCov"> 0 : set_last_phandle(old_last_phandle);</span></a>
<a name="250"><span class="lineNum"> 250 </span> :<span class="lineNoCov"> 0 : if (ret == -FDT_ERR_NOSPACE)</span></a>
<a name="251"><span class="lineNum"> 251 </span> :<span class="lineNoCov"> 0 : return OPAL_NO_MEM;</span></a>
<a name="252"><span class="lineNum"> 252 </span> : : </a>
<a name="253"><span class="lineNum"> 253 </span> :<span class="lineNoCov"> 0 : return OPAL_EMPTY;</span></a>
<a name="254"><span class="lineNum"> 254 </span> : : }</a>
<a name="255"><span class="lineNum"> 255 </span> : : </a>
<a name="256"><span class="lineNum"> 256 </span> :<span class="lineNoCov"> 0 : return OPAL_SUCCESS;</span></a>
<a name="257"><span class="lineNum"> 257 </span> : : }</a>
<a name="258"><span class="lineNum"> 258 </span> : : opal_call(OPAL_GET_DEVICE_TREE, opal_get_device_tree, 3);</a>
</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="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LCOV version 1.14</a></td></tr>
</table>
<br>
</body>
</html>
|
