xref: /freebsd/sys/contrib/ncsw/inc/debug_ext.h (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*
2  * Copyright 2008-2012 Freescale Semiconductor Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 
34 /**************************************************************************//**
35  @File          debug_ext.h
36 
37  @Description   Debug mode definitions.
38 *//***************************************************************************/
39 
40 #ifndef __DEBUG_EXT_H
41 #define __DEBUG_EXT_H
42 
43 #include "std_ext.h"
44 #include "xx_ext.h"
45 #include "memcpy_ext.h"
46 #if (DEBUG_ERRORS > 0)
47 #include "sprint_ext.h"
48 #include "string_ext.h"
49 #endif /* DEBUG_ERRORS > 0 */
50 
51 
52 #if (DEBUG_ERRORS > 0)
53 
54 /* Internally used macros */
55 
56 #define DUMP_Print          XX_Print
57 #define DUMP_MAX_LEVELS     6
58 #define DUMP_IDX_LEN        6
59 #define DUMP_MAX_STR        64
60 
61 
62 #define _CREATE_DUMP_SUBSTR(phrase) \
63     dumpTmpLevel = 0; dumpSubStr[0] = '\0'; \
64     snprintf(dumpTmpStr, DUMP_MAX_STR, "%s", #phrase); \
65     p_DumpToken = strtok(dumpTmpStr, (dumpIsArr[0] ? "[" : ".")); \
66     while ((p_DumpToken != NULL) && (dumpTmpLevel < DUMP_MAX_LEVELS)) \
67     { \
68         strlcat(dumpSubStr, p_DumpToken, DUMP_MAX_STR); \
69         if (dumpIsArr[dumpTmpLevel]) \
70         { \
71             strlcat(dumpSubStr, dumpIdxStr[dumpTmpLevel], DUMP_MAX_STR); \
72             p_DumpToken = strtok(NULL, "."); \
73         } \
74         if ((p_DumpToken != NULL) && \
75             ((p_DumpToken = strtok(NULL, (dumpIsArr[++dumpTmpLevel] ? "[" : "."))) != NULL)) \
76             strlcat(dumpSubStr, ".", DUMP_MAX_STR); \
77     }
78 
79 
80 /**************************************************************************//**
81  @Group         gen_id  General Drivers Utilities
82 
83  @Description   External routines.
84 
85  @{
86 *//***************************************************************************/
87 
88 /**************************************************************************//**
89  @Group         dump_id  Memory and Registers Dump Mechanism
90 
91  @Description   Macros for dumping memory mapped structures.
92 
93  @{
94 *//***************************************************************************/
95 
96 /**************************************************************************//**
97  @Description   Declaration of dump mechanism variables.
98 
99                 This macro must be declared at the beginning of each routine
100                 which uses the dump mechanism macros, before the routine's code
101                 starts.
102 *//***************************************************************************/
103 #define DECLARE_DUMP \
104     char    dumpIdxStr[DUMP_MAX_LEVELS + 1][DUMP_IDX_LEN] = { "", }; \
105     char    dumpSubStr[DUMP_MAX_STR] = ""; \
106     char    dumpTmpStr[DUMP_MAX_STR] = ""; \
107     char    *p_DumpToken = NULL; \
108     int     dumpArrIdx = 0, dumpArrSize = 0, dumpLevel = 0, dumpTmpLevel = 0; \
109     uint8_t dumpIsArr[DUMP_MAX_LEVELS + 1] = { 0 }; \
110     /* Prevent warnings if not all used */ \
111     UNUSED(dumpIdxStr[0][0]); \
112     UNUSED(dumpSubStr[0]); \
113     UNUSED(dumpTmpStr[0]); \
114     UNUSED(p_DumpToken); \
115     UNUSED(dumpArrIdx); \
116     UNUSED(dumpArrSize); \
117     UNUSED(dumpLevel); \
118     UNUSED(dumpTmpLevel); \
119     UNUSED(dumpIsArr[0]);
120 
121 
122 /**************************************************************************//**
123  @Description   Prints a title for a subsequent dumped structure or memory.
124 
125                 The inputs for this macro are the structure/memory title and
126                 its base addresses.
127 *//***************************************************************************/
128 #define DUMP_TITLE(addr, msg)           \
129     DUMP_Print("\r\n"); DUMP_Print msg; \
130     if (addr)                           \
131         DUMP_Print(" (%p)", (addr));    \
132     DUMP_Print("\r\n---------------------------------------------------------\r\n");
133 
134 /**************************************************************************//**
135  @Description   Prints a subtitle for a subsequent dumped sub-structure (optional).
136 
137                 The inputs for this macro are the sub-structure subtitle.
138                 A separating line with this subtitle will be printed.
139 *//***************************************************************************/
140 #define DUMP_SUBTITLE(subtitle)  \
141     DUMP_Print("----------- "); DUMP_Print subtitle; DUMP_Print("\r\n")
142 
143 
144 /**************************************************************************//**
145  @Description   Dumps a memory region in 4-bytes aligned format.
146 
147                 The inputs for this macro are the base addresses and size
148                 (in bytes) of the memory region.
149 *//***************************************************************************/
150 #define DUMP_MEMORY(addr, size)  \
151     MemDisp((uint8_t *)(addr), (int)(size))
152 
153 
154 /**************************************************************************//**
155  @Description   Declares a dump loop, for dumping a sub-structure array.
156 
157                 The inputs for this macro are:
158                 - idx: an index variable, for indexing the sub-structure items
159                        inside the loop. This variable must be declared separately
160                        in the beginning of the routine.
161                 - cnt: the number of times to repeat the loop. This number should
162                        equal the number of items in the sub-structures array.
163 
164                 Note, that the body of the loop must be written inside brackets.
165 *//***************************************************************************/
166 #define DUMP_SUBSTRUCT_ARRAY(idx, cnt) \
167     for (idx=0, dumpIsArr[dumpLevel++] = 1; \
168          (idx < cnt) && (dumpLevel > 0) && snprintf(dumpIdxStr[dumpLevel-1], DUMP_IDX_LEN, "[%d]", idx); \
169          idx++, ((idx < cnt) || (dumpIsArr[--dumpLevel] = 0)))
170 
171 
172 /**************************************************************************//**
173  @Description   Dumps a structure's member variable.
174 
175                 The input for this macro is the full reference for the member
176                 variable, where the structure is referenced using a pointer.
177 
178                 Note, that a members array must be dumped using DUMP_ARR macro,
179                 rather than using this macro.
180 
181                 If the member variable is part of a sub-structure hierarchy,
182                 the full hierarchy (including array indexing) must be specified.
183 
184                 Examples:   p_Struct->member
185                             p_Struct->sub.member
186                             p_Struct->sub[i].member
187 *//***************************************************************************/
188 #define DUMP_VAR(st, phrase) \
189     do { \
190         void            *addr = (void *)&((st)->phrase); \
191         physAddress_t   physAddr = XX_VirtToPhys(addr); \
192         _CREATE_DUMP_SUBSTR(phrase); \
193         DUMP_Print("0x%010llX: 0x%08x%8s\t%s\r\n", \
194                    physAddr, GET_UINT32(*(uint32_t*)addr), "", dumpSubStr); \
195     } while (0)
196 
197 
198 /**************************************************************************//**
199  @Description   Dumps a structure's members array.
200 
201                 The input for this macro is the full reference for the members
202                 array, where the structure is referenced using a pointer.
203 
204                 If the members array is part of a sub-structure hierarchy,
205                 the full hierarchy (including array indexing) must be specified.
206 
207                 Examples:   p_Struct->array
208                             p_Struct->sub.array
209                             p_Struct->sub[i].array
210 *//***************************************************************************/
211 #define DUMP_ARR(st, phrase) \
212     do { \
213         physAddress_t physAddr; \
214         _CREATE_DUMP_SUBSTR(phrase); \
215         dumpArrSize = ARRAY_SIZE((st)->phrase); \
216         for (dumpArrIdx=0; dumpArrIdx < dumpArrSize; dumpArrIdx++) { \
217             physAddr = XX_VirtToPhys((void *)&((st)->phrase[dumpArrIdx])); \
218             DUMP_Print("0x%010llX: 0x%08x%8s\t%s[%d]\r\n", \
219                        physAddr, GET_UINT32((st)->phrase[dumpArrIdx]), "", dumpSubStr, dumpArrIdx); \
220         } \
221     } while (0)
222 
223 
224 
225 #endif /* DEBUG_ERRORS > 0 */
226 
227 
228 /** @} */ /* end of dump_id group */
229 /** @} */ /* end of gen_id group */
230 
231 
232 #endif /* __DEBUG_EXT_H */
233 
234