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[mirror_edk2.git] / MdePkg / Library / PeiDxeDebugLibReportStatusCode / DebugLib.c
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24e25d11 1/** @file\r
2 Debug Library that fowards all messages to ReportStatusCode()\r
3\r
4 Copyright (c) 2006, Intel Corporation<BR>\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15\r
16/**\r
17\r
18 Prints a debug message to the debug output device if the specified error level is enabled.\r
19\r
20 If any bit in ErrorLevel is also set in PcdDebugPrintErrorLevel, then print \r
21 the message specified by Format and the associated variable argument list to \r
22 the debug output device.\r
23\r
24 If Format is NULL, then ASSERT().\r
25\r
26 @param ErrorLevel The error level of the debug message.\r
27 @param Format Format string for the debug message to print.\r
28\r
29**/\r
30VOID\r
31EFIAPI\r
32DebugPrint (\r
33 IN UINTN ErrorLevel,\r
34 IN CONST CHAR8 *Format,\r
35 ...\r
36 )\r
37{\r
38 UINT64 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof (UINT64)];\r
39 EFI_DEBUG_INFO *DebugInfo;\r
40 UINTN TotalSize;\r
41 UINTN Index;\r
42 VA_LIST Marker;\r
43 UINT64 *ArgumentPointer;\r
44\r
45 //\r
46 // If Format is NULL, then ASSERT().\r
47 //\r
48 ASSERT (Format != NULL);\r
49\r
50 //\r
51 // Check driver Debug Level value and global debug level\r
52 //\r
53 if ((ErrorLevel & PcdGet32(PcdDebugPrintErrorLevel)) == 0) {\r
54 return;\r
55 }\r
56\r
57 TotalSize = sizeof (EFI_DEBUG_INFO) + 12 * sizeof (UINT64) + AsciiStrLen (Format) + 1;\r
58 if (TotalSize > EFI_STATUS_CODE_DATA_MAX_SIZE) {\r
59 return;\r
60 }\r
61\r
62 //\r
63 // Then EFI_DEBUG_INFO\r
64 //\r
65 DebugInfo = (EFI_DEBUG_INFO *)Buffer;\r
66 DebugInfo->ErrorLevel = (UINT32)ErrorLevel;\r
67\r
68 //\r
69 // 256 byte mini Var Arg stack. That is followed by the format string.\r
70 //\r
71 VA_START (Marker, Format);\r
72 for (Index = 0, ArgumentPointer = (UINT64 *)(DebugInfo + 1); Index < 12; Index++, ArgumentPointer++) {\r
addf9aa4 73 WriteUnaligned64(ArgumentPointer, VA_ARG (Marker, UINT64));\r
24e25d11 74 }\r
75 VA_END (Marker);\r
76 AsciiStrCpy ((CHAR8 *)ArgumentPointer, Format);\r
77\r
add13dc2 78 REPORT_STATUS_CODE_EX (\r
24e25d11 79 EFI_DEBUG_CODE,\r
80 (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_DC_UNSPECIFIED),\r
add13dc2 81 0,\r
82 NULL,\r
83 &gEfiStatusCodeDataTypeDebugGuid,\r
24e25d11 84 DebugInfo,\r
85 TotalSize\r
86 );\r
87}\r
88\r
89\r
90/**\r
91\r
92 Prints an assert message containing a filename, line number, and description. \r
93 This may be followed by a breakpoint or a dead loop.\r
94\r
95 Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n" \r
96 to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of \r
97 PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if \r
98 DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then \r
99 CpuDeadLoop() is called. If neither of these bits are set, then this function \r
100 returns immediately after the message is printed to the debug output device.\r
101 DebugAssert() must actively prevent recusrsion. If DebugAssert() is called while\r
102 processing another DebugAssert(), then DebugAssert() must return immediately.\r
103\r
104 If FileName is NULL, then a <FileName> string of "(NULL) Filename" is printed.\r
105\r
106 If Description is NULL, then a <Description> string of "(NULL) Description" is printed.\r
107\r
108 @param FileName Pointer to the name of the source file that generated the assert condition.\r
109 @param LineNumber The line number in the source file that generated the assert condition\r
110 @param Description Pointer to the description of the assert condition.\r
111\r
112**/\r
113VOID\r
114EFIAPI\r
115DebugAssert (\r
116 IN CONST CHAR8 *FileName,\r
117 IN UINTN LineNumber,\r
118 IN CONST CHAR8 *Description\r
119 )\r
120{\r
121 UINT64 Buffer[EFI_STATUS_CODE_DATA_MAX_SIZE / sizeof(UINT64)];\r
122 EFI_DEBUG_ASSERT_DATA *AssertData;\r
123 UINTN TotalSize;\r
124 CHAR8 *Temp;\r
58251024 125 UINTN FileNameLength;\r
126 UINTN DescriptionLength;\r
24e25d11 127\r
128 //\r
129 // Make sure it will all fit in the passed in buffer\r
130 //\r
58251024 131 FileNameLength = AsciiStrLen (FileName);\r
132 DescriptionLength = AsciiStrLen (Description);\r
133 TotalSize = sizeof (EFI_DEBUG_ASSERT_DATA) + FileNameLength + 1 + DescriptionLength + 1;\r
24e25d11 134 if (TotalSize <= EFI_STATUS_CODE_DATA_MAX_SIZE) {\r
135 //\r
136 // Fill in EFI_DEBUG_ASSERT_DATA\r
137 //\r
138 AssertData = (EFI_DEBUG_ASSERT_DATA *)Buffer;\r
139 AssertData->LineNumber = (UINT32)LineNumber;\r
140\r
141 //\r
142 // Copy Ascii FileName including NULL.\r
143 //\r
144 Temp = AsciiStrCpy ((CHAR8 *)(AssertData + 1), FileName);\r
145\r
146 //\r
147 // Copy Ascii Description \r
148 //\r
add13dc2 149 AsciiStrCpy (Temp + AsciiStrLen (FileName) + 1, Description);\r
24e25d11 150\r
151 REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
152 (EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED),\r
153 (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_EC_ILLEGAL_SOFTWARE_STATE),\r
154 AssertData,\r
155 TotalSize\r
156 );\r
157 }\r
158\r
159 //\r
160 // Generate a Breakpoint, DeadLoop, or NOP based on PCD settings\r
161 //\r
162 if ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED) != 0) {\r
163 CpuBreakpoint ();\r
164 } else if ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED) != 0) {\r
165 CpuDeadLoop ();\r
166 }\r
167}\r
168\r
169\r
170/**\r
171\r
172 Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer.\r
173\r
174 This function fills Length bytes of Buffer with the value specified by \r
175 PcdDebugClearMemoryValue, and returns Buffer.\r
176\r
177 If Buffer is NULL, then ASSERT().\r
178\r
511710d6 179 If Length is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). \r
24e25d11 180\r
181 @param Buffer Pointer to the target buffer to fill with PcdDebugClearMemoryValue.\r
182 @param Length Number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue. \r
183\r
184 @return Buffer\r
185\r
186**/\r
187VOID *\r
188EFIAPI\r
189DebugClearMemory (\r
190 OUT VOID *Buffer,\r
191 IN UINTN Length\r
192 )\r
193{\r
194 //\r
195 // If Buffer is NULL, then ASSERT().\r
196 //\r
197 ASSERT (Buffer != NULL);\r
198\r
199 //\r
200 // SetMem() checks for the the ASSERT() condition on Length and returns Buffer\r
201 //\r
202 return SetMem (Buffer, Length, PcdGet8(PcdDebugClearMemoryValue));\r
203}\r
204\r
205\r
206/**\r
207 \r
208 Returns TRUE if ASSERT() macros are enabled.\r
209\r
210 This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of \r
211 PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
212\r
213 @retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set.\r
214 @retval FALSE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear.\r
215\r
216**/\r
217BOOLEAN\r
218EFIAPI\r
219DebugAssertEnabled (\r
220 VOID\r
221 )\r
222{\r
58251024 223 return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED) != 0);\r
24e25d11 224}\r
225\r
226\r
227/**\r
228 \r
229 Returns TRUE if DEBUG()macros are enabled.\r
230\r
231 This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of \r
232 PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
233\r
234 @retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set.\r
235 @retval FALSE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is clear.\r
236\r
237**/\r
238BOOLEAN\r
239EFIAPI\r
240DebugPrintEnabled (\r
241 VOID\r
242 )\r
243{\r
58251024 244 return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_PRINT_ENABLED) != 0);\r
24e25d11 245}\r
246\r
247\r
248/**\r
249 \r
250 Returns TRUE if DEBUG_CODE()macros are enabled.\r
251\r
252 This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of \r
253 PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
254\r
255 @retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set.\r
256 @retval FALSE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is clear.\r
257\r
258**/\r
259BOOLEAN\r
260EFIAPI\r
261DebugCodeEnabled (\r
262 VOID\r
263 )\r
264{\r
58251024 265 return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_DEBUG_CODE_ENABLED) != 0);\r
24e25d11 266}\r
267\r
268\r
269/**\r
270 \r
271 Returns TRUE if DEBUG_CLEAR_MEMORY()macro is enabled.\r
272\r
273 This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of \r
274 PcdDebugProperyMask is set. Otherwise FALSE is returned.\r
275\r
276 @retval TRUE The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set.\r
277 @retval FALSE The DEBUG_PROPERTY_DEBUG_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear.\r
278\r
279**/\r
280BOOLEAN\r
281EFIAPI\r
282DebugClearMemoryEnabled (\r
283 VOID\r
284 )\r
285{\r
58251024 286 return (BOOLEAN) ((PcdGet8(PcdDebugPropertyMask) & DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED) != 0);\r
24e25d11 287}\r