xref: /netbsd-src/sys/external/bsd/acpica/dist/compiler/aslmessages.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /******************************************************************************
2  *
3  * Module Name: aslmessages.c - Compiler error/warning message strings
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2018, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #include "aslcompiler.h"
45 
46 #define _COMPONENT          ACPI_COMPILER
47         ACPI_MODULE_NAME    ("aslmessages")
48 
49 
50 /*
51  * Strings for message reporting levels, must match error
52  * type string tables in aslmessages.c
53  */
54 const char              *AslErrorLevel [ASL_NUM_REPORT_LEVELS] = {
55     "Optimize",
56     "Remark  ",
57     "Warning ",
58     "Warning ",
59     "Warning ",
60     "Error   "
61 };
62 
63 /* All lowercase versions for IDEs */
64 
65 const char              *AslErrorLevelIde [ASL_NUM_REPORT_LEVELS] = {
66     "optimize",
67     "remark  ",
68     "warning ",
69     "warning ",
70     "warning ",
71     "error   "
72 };
73 
74 
75 /*
76  * Actual message strings for each compiler message ID. There are currently
77  * three distinct blocks of error messages (so that they can be expanded
78  * individually):
79  *      Main ASL compiler
80  *      Data Table compiler
81  *      Preprocessor
82  *
83  * NOTE1: These tables must match the enum list of message IDs in the file
84  * aslmessages.h exactly.
85  *
86  * NOTE2: With the introduction of the -vw option to disable specific messages,
87  * new messages should only be added to the end of this list, so that values
88  * for existing messages are not disturbed.
89  */
90 
91 /* ASL compiler */
92 
93 const char                      *AslCompilerMsgs [] =
94 {
95 /*    The zeroth message is reserved */    "",
96 /*    ASL_MSG_ALIGNMENT */                  "Must be a multiple of alignment/granularity value",
97 /*    ASL_MSG_ALPHANUMERIC_STRING */        "String must be entirely alphanumeric",
98 /*    ASL_MSG_AML_NOT_IMPLEMENTED */        "Opcode is not implemented in compiler AML code generator",
99 /*    ASL_MSG_ARG_COUNT_HI */               "Too many arguments",
100 /*    ASL_MSG_ARG_COUNT_LO */               "Too few arguments",
101 /*    ASL_MSG_ARG_INIT */                   "Method argument is not initialized",
102 /*    ASL_MSG_BACKWARDS_OFFSET */           "Invalid backwards offset",
103 /*    ASL_MSG_BUFFER_LENGTH */              "Effective AML buffer length is zero",
104 /*    ASL_MSG_CLOSE */                      "Could not close file",
105 /*    ASL_MSG_COMPILER_INTERNAL */          "Internal compiler error",
106 /*    ASL_MSG_COMPILER_RESERVED */          "Use of compiler reserved name",
107 /*    ASL_MSG_CONNECTION_MISSING */         "A Connection operator is required for this field SpaceId",
108 /*    ASL_MSG_CONNECTION_INVALID */         "Invalid OpRegion SpaceId for use of Connection operator",
109 /*    ASL_MSG_CONSTANT_EVALUATION */        "Could not evaluate constant expression",
110 /*    ASL_MSG_CONSTANT_FOLDED */            "Constant expression evaluated and reduced",
111 /*    ASL_MSG_CORE_EXCEPTION */             "From ACPICA Subsystem",
112 /*    ASL_MSG_DEBUG_FILE_OPEN */            "Could not open debug file",
113 /*    ASL_MSG_DEBUG_FILENAME */             "Could not create debug filename",
114 /*    ASL_MSG_DEPENDENT_NESTING */          "Dependent function macros cannot be nested",
115 /*    ASL_MSG_DMA_CHANNEL */                "Invalid DMA channel (must be 0-7)",
116 /*    ASL_MSG_DMA_LIST */                   "Too many DMA channels (8 max)",
117 /*    ASL_MSG_DUPLICATE_CASE */             "Case value already specified",
118 /*    ASL_MSG_DUPLICATE_ITEM */             "Duplicate value in list",
119 /*    ASL_MSG_EARLY_EOF */                  "Premature end-of-file reached",
120 /*    ASL_MSG_ENCODING_LENGTH */            "Package length too long to encode",
121 /*    ASL_MSG_EX_INTERRUPT_LIST */          "Too many interrupts (255 max)",
122 /*    ASL_MSG_EX_INTERRUPT_LIST_MIN */      "Too few interrupts (1 minimum required)",
123 /*    ASL_MSG_EX_INTERRUPT_NUMBER */        "Invalid interrupt number (must be 32 bits)",
124 /*    ASL_MSG_FIELD_ACCESS_WIDTH */         "Access width is greater than region size",
125 /*    ASL_MSG_FIELD_UNIT_ACCESS_WIDTH */    "Access width of Field Unit extends beyond region limit",
126 /*    ASL_MSG_FIELD_UNIT_OFFSET */          "Field Unit extends beyond region limit",
127 /*    ASL_MSG_GPE_NAME_CONFLICT */          "Name conflicts with a previous GPE method",
128 /*    ASL_MSG_HID_LENGTH */                 "_HID string must be exactly 7 or 8 characters",
129 /*    ASL_MSG_HID_PREFIX */                 "_HID prefix must be all uppercase or decimal digits",
130 /*    ASL_MSG_HID_SUFFIX */                 "_HID suffix must be all hex digits",
131 /*    ASL_MSG_INCLUDE_FILE_OPEN */          "Could not open include file",
132 /*    ASL_MSG_INPUT_FILE_OPEN */            "Could not open input file",
133 /*    ASL_MSG_INTEGER_LENGTH */             "Truncating 64-bit constant found in 32-bit table",
134 /*    ASL_MSG_INTEGER_OPTIMIZATION */       "Integer optimized to single-byte AML opcode",
135 /*    ASL_MSG_INTERRUPT_LIST */             "Too many interrupts (16 max)",
136 /*    ASL_MSG_INTERRUPT_NUMBER */           "Invalid interrupt number (must be 0-15)",
137 /*    ASL_MSG_INVALID_ACCESS_SIZE */        "Invalid AccessSize (Maximum is 4 - QWord access)",
138 /*    ASL_MSG_INVALID_ADDR_FLAGS */         "Invalid combination of Length and Min/Max fixed flags",
139 /*    ASL_MSG_INVALID_CONSTANT_OP */        "Invalid operator in constant expression (not type 3/4/5)",
140 /*    ASL_MSG_INVALID_EISAID */             "EISAID string must be of the form \"UUUXXXX\" (3 uppercase, 4 hex digits)",
141 /*    ASL_MSG_INVALID_ESCAPE */             "Invalid or unknown escape sequence",
142 /*    ASL_MSG_INVALID_GRAN_FIXED */         "Granularity must be zero for fixed Min/Max",
143 /*    ASL_MSG_INVALID_GRANULARITY */        "Granularity must be zero or a power of two minus one",
144 /*    ASL_MSG_INVALID_LENGTH */             "Length is larger than Min/Max window",
145 /*    ASL_MSG_INVALID_LENGTH_FIXED */       "Length is not equal to fixed Min/Max window",
146 /*    ASL_MSG_INVALID_MIN_MAX */            "Address Min is greater than Address Max",
147 /*    ASL_MSG_INVALID_OPERAND */            "Invalid operand",
148 /*    ASL_MSG_INVALID_PERFORMANCE */        "Invalid performance/robustness value",
149 /*    ASL_MSG_INVALID_PRIORITY */           "Invalid priority value",
150 /*    ASL_MSG_INVALID_STRING */             "Invalid Hex/Octal Escape - Non-ASCII or NULL",
151 /*    ASL_MSG_INVALID_TARGET */             "Target operand not allowed in constant expression",
152 /*    ASL_MSG_INVALID_TIME */               "Time parameter too long (255 max)",
153 /*    ASL_MSG_INVALID_TYPE */               "Invalid type",
154 /*    ASL_MSG_INVALID_UUID */               "UUID string must be of the form \"aabbccdd-eeff-gghh-iijj-kkllmmnnoopp\"",
155 /*    ASL_MSG_ISA_ADDRESS */                "Maximum 10-bit ISA address (0x3FF)",
156 /*    ASL_MSG_LEADING_ASTERISK */           "Invalid leading asterisk",
157 /*    ASL_MSG_LIST_LENGTH_LONG */           "Initializer list longer than declared package length",
158 /*    ASL_MSG_LIST_LENGTH_SHORT */          "Initializer list shorter than declared package length",
159 /*    ASL_MSG_LISTING_FILE_OPEN */          "Could not open listing file",
160 /*    ASL_MSG_LISTING_FILENAME */           "Could not create listing filename",
161 /*    ASL_MSG_LOCAL_INIT */                 "Method local variable is not initialized",
162 /*    ASL_MSG_LOCAL_OUTSIDE_METHOD */       "Local or Arg used outside a control method",
163 /*    ASL_MSG_LONG_LINE */                  "Splitting long input line",
164 /*    ASL_MSG_MEMORY_ALLOCATION */          "Memory allocation failure",
165 /*    ASL_MSG_MISSING_ENDDEPENDENT */       "Missing EndDependentFn() macro in dependent resource list",
166 /*    ASL_MSG_MISSING_STARTDEPENDENT */     "Missing StartDependentFn() macro in dependent resource list",
167 /*    ASL_MSG_MULTIPLE_DEFAULT */           "More than one Default statement within Switch construct",
168 /*    ASL_MSG_MULTIPLE_TYPES */             "Multiple types",
169 /*    ASL_MSG_NAME_EXISTS */                "Name already exists in scope",
170 /*    ASL_MSG_NAME_OPTIMIZATION */          "NamePath optimized",
171 /*    ASL_MSG_NAMED_OBJECT_IN_WHILE */      "Creating a named object in a While loop",
172 /*    ASL_MSG_NESTED_COMMENT */             "Nested comment found",
173 /*    ASL_MSG_NO_CASES */                   "No Case statements under Switch",
174 /*    ASL_MSG_NO_REGION */                  "_REG has no corresponding Operation Region",
175 /*    ASL_MSG_NO_RETVAL */                  "Called method returns no value",
176 /*    ASL_MSG_NO_WHILE */                   "No enclosing While statement",
177 /*    ASL_MSG_NON_ASCII */                  "Invalid characters found in file",
178 /*    ASL_MSG_NON_ZERO */                   "Operand evaluates to zero",
179 /*    ASL_MSG_NOT_EXIST */                  "Object does not exist",
180 /*    ASL_MSG_NOT_FOUND */                  "Object not found or not accessible from scope",
181 /*    ASL_MSG_NOT_METHOD */                 "Not a control method, cannot invoke",
182 /*    ASL_MSG_NOT_PARAMETER */              "Not a parameter, used as local only",
183 /*    ASL_MSG_NOT_REACHABLE */              "Object is not accessible from this scope",
184 /*    ASL_MSG_NOT_REFERENCED */             "Object is not referenced",
185 /*    ASL_MSG_NULL_DESCRIPTOR */            "Min/Max/Length/Gran are all zero, but no resource tag",
186 /*    ASL_MSG_NULL_STRING */                "Invalid zero-length (null) string",
187 /*    ASL_MSG_OPEN */                       "Could not open file",
188 /*    ASL_MSG_OUTPUT_FILE_OPEN */           "Could not open output AML file",
189 /*    ASL_MSG_OUTPUT_FILENAME */            "Could not create output filename",
190 /*    ASL_MSG_PACKAGE_LENGTH */             "Effective AML package length is zero",
191 /*    ASL_MSG_PREPROCESSOR_FILENAME */      "Could not create preprocessor filename",
192 /*    ASL_MSG_READ */                       "Could not read file",
193 /*    ASL_MSG_RECURSION */                  "Recursive method call",
194 /*    ASL_MSG_REGION_BUFFER_ACCESS */       "Host Operation Region requires BufferAcc access",
195 /*    ASL_MSG_REGION_BYTE_ACCESS */         "Host Operation Region requires ByteAcc access",
196 /*    ASL_MSG_RESERVED_ARG_COUNT_HI */      "Reserved method has too many arguments",
197 /*    ASL_MSG_RESERVED_ARG_COUNT_LO */      "Reserved method has too few arguments",
198 /*    ASL_MSG_RESERVED_METHOD */            "Reserved name must be a control method",
199 /*    ASL_MSG_RESERVED_NO_RETURN_VAL */     "Reserved method should not return a value",
200 /*    ASL_MSG_RESERVED_OPERAND_TYPE */      "Invalid object type for reserved name",
201 /*    ASL_MSG_RESERVED_PACKAGE_LENGTH */    "Invalid package length for reserved name",
202 /*    ASL_MSG_RESERVED_RETURN_VALUE */      "Reserved method must return a value",
203 /*    ASL_MSG_RESERVED_USE */               "Invalid use of reserved name",
204 /*    ASL_MSG_RESERVED_WORD */              "Use of reserved name",
205 /*    ASL_MSG_RESOURCE_FIELD */             "Resource field name cannot be used as a target",
206 /*    ASL_MSG_RESOURCE_INDEX */             "Missing ResourceSourceIndex (required)",
207 /*    ASL_MSG_RESOURCE_LIST */              "Too many resource items (internal error)",
208 /*    ASL_MSG_RESOURCE_SOURCE */            "Missing ResourceSource string (required)",
209 /*    ASL_MSG_RESULT_NOT_USED */            "Result is not used, operator has no effect",
210 /*    ASL_MSG_RETURN_TYPES */               "Not all control paths return a value",
211 /*    ASL_MSG_SCOPE_FWD_REF */              "Forward references from Scope operator not allowed",
212 /*    ASL_MSG_SCOPE_TYPE */                 "Existing object has invalid type for Scope operator",
213 /*    ASL_MSG_SEEK */                       "Could not seek file",
214 /*    ASL_MSG_SERIALIZED */                 "Control Method marked Serialized",
215 /*    ASL_MSG_SERIALIZED_REQUIRED */        "Control Method should be made Serialized",
216 /*    ASL_MSG_SINGLE_NAME_OPTIMIZATION */   "NamePath optimized to NameSeg (uses run-time search path)",
217 /*    ASL_MSG_SOME_NO_RETVAL */             "Called method may not always return a value",
218 /*    ASL_MSG_STRING_LENGTH */              "String literal too long",
219 /*    ASL_MSG_SWITCH_TYPE */                "Switch expression is not a static Integer/Buffer/String data type, defaulting to Integer",
220 /*    ASL_MSG_SYNC_LEVEL */                 "SyncLevel must be in the range 0-15",
221 /*    ASL_MSG_SYNTAX */                     "",
222 /*    ASL_MSG_TABLE_SIGNATURE */            "Invalid Table Signature",
223 /*    ASL_MSG_TAG_LARGER */                 "ResourceTag larger than Field",
224 /*    ASL_MSG_TAG_SMALLER */                "ResourceTag smaller than Field",
225 /*    ASL_MSG_TIMEOUT */                    "Result is not used, possible operator timeout will be missed",
226 /*    ASL_MSG_TOO_MANY_TEMPS */             "Method requires too many temporary variables (_T_x)",
227 /*    ASL_MSG_TRUNCATION */                 "64-bit return value will be truncated to 32 bits (DSDT or SSDT version < 2)",
228 /*    ASL_MSG_UNKNOWN_RESERVED_NAME */      "Unknown reserved name",
229 /*    ASL_MSG_UNREACHABLE_CODE */           "Statement is unreachable",
230 /*    ASL_MSG_UNSUPPORTED */                "Unsupported feature",
231 /*    ASL_MSG_UPPER_CASE */                 "Non-hex letters must be upper case",
232 /*    ASL_MSG_VENDOR_LIST */                "Too many vendor data bytes (7 max)",
233 /*    ASL_MSG_WRITE */                      "Could not write file",
234 /*    ASL_MSG_RANGE */                      "Constant out of range",
235 /*    ASL_MSG_BUFFER_ALLOCATION */          "Could not allocate line buffer",
236 /*    ASL_MSG_MISSING_DEPENDENCY */         "Missing dependency",
237 /*    ASL_MSG_ILLEGAL_FORWARD_REF */        "Illegal forward reference",
238 /*    ASL_MSG_ILLEGAL_METHOD_REF */         "Object is declared in a different method",
239 /*    ASL_MSG_LOCAL_NOT_USED */             "Method Local is set but never used",
240 /*    ASL_MSG_ARG_AS_LOCAL_NOT_USED */      "Method Argument (as a local) is set but never used",
241 /*    ASL_MSG_ARG_NOT_USED */               "Method Argument is never used",
242 /*    ASL_MSG_CONSTANT_REQUIRED */          "Non-reducible expression",
243 /*    ASL_MSG_CROSS_TABLE_SCOPE */          "Illegal open scope on external object from within DSDT",
244 /*    ASL_MSG_EXCEPTION_NOT_RECEIVED */     "Expected remark, warning, or error did not occur. Message ID:",
245 /*    ASL_MSG_NULL_RESOURCE_TEMPLATE */     "Empty Resource Template (END_TAG only)",
246 /*    ASL_MSG_FOUND_HERE */                 "Original name creation/declaration below: ",
247 /*    ASL_MSG_ILLEGAL_RECURSION */          "Illegal recursive call to method that creates named objects",
248 /*    ASL_MSG_EXTERN_COLLISION */           "A name cannot be defined and declared external in the same table",
249 /*    ASL_MSG_FOUND_HERE_EXTERN */          "Remove one of the declarations indicated above or below:",
250 /*    ASL_MSG_OEM_TABLE_ID */               "Invalid OEM Table ID",
251 /*    ASL_MSG_OEM_ID */                     "Invalid OEM ID"
252 };
253 
254 /* Table compiler */
255 
256 const char                      *AslTableCompilerMsgs [] =
257 {
258 /*    ASL_MSG_BUFFER_ELEMENT */             "Invalid element in buffer initializer list",
259 /*    ASL_MSG_DIVIDE_BY_ZERO */             "Expression contains divide-by-zero",
260 /*    ASL_MSG_FLAG_VALUE */                 "Flag value is too large",
261 /*    ASL_MSG_INTEGER_SIZE */               "Integer too large for target",
262 /*    ASL_MSG_INVALID_EXPRESSION */         "Invalid expression",
263 /*    ASL_MSG_INVALID_FIELD_NAME */         "Invalid Field Name",
264 /*    ASL_MSG_INVALID_HEX_INTEGER */        "Invalid hex integer constant",
265 /*    ASL_MSG_OEM_TABLE */                  "OEM table - unknown contents",
266 /*    ASL_MSG_RESERVED_VALUE */             "Reserved field",
267 /*    ASL_MSG_UNKNOWN_LABEL */              "Label is undefined",
268 /*    ASL_MSG_UNKNOWN_SUBTABLE */           "Unknown subtable type",
269 /*    ASL_MSG_UNKNOWN_TABLE */              "Unknown ACPI table signature",
270 /*    ASL_MSG_ZERO_VALUE */                 "Value must be non-zero"
271 };
272 
273 /* Preprocessor */
274 
275 const char                      *AslPreprocessorMsgs [] =
276 {
277 /*    ASL_MSG_DIRECTIVE_SYNTAX */           "Invalid directive syntax",
278 /*    ASL_MSG_ENDIF_MISMATCH */             "Mismatched #endif",
279 /*    ASL_MSG_ERROR_DIRECTIVE */            "#error",
280 /*    ASL_MSG_EXISTING_NAME */              "Name is already defined",
281 /*    ASL_MSG_INVALID_INVOCATION */         "Invalid macro invocation",
282 /*    ASL_MSG_MACRO_SYNTAX */               "Invalid macro syntax",
283 /*    ASL_MSG_TOO_MANY_ARGUMENTS */         "Too many macro arguments",
284 /*    ASL_MSG_UNKNOWN_DIRECTIVE */          "Unknown directive",
285 /*    ASL_MSG_UNKNOWN_PRAGMA */             "Unknown pragma",
286 /*    ASL_MSG_WARNING_DIRECTIVE */          "#warning",
287 /*    ASL_MSG_INCLUDE_FILE */               "Found a # preprocessor directive in ASL Include() file"
288 };
289 
290 
291 /*******************************************************************************
292  *
293  * FUNCTION:    AeDecodeMessageId
294  *
295  * PARAMETERS:  MessageId               - ASL message ID (exception code) to be
296  *                                        formatted. Possibly fully encoded.
297  *
298  * RETURN:      A string containing the exception message text.
299  *
300  * DESCRIPTION: This function validates and translates an ASL message ID into
301  *              an ASCII string.
302  *
303  ******************************************************************************/
304 
305 const char *
306 AeDecodeMessageId (
307     UINT16                  MessageId)
308 {
309     UINT32                  Index;
310     const char              **MessageTable;
311 
312 
313     /* Main ASL Compiler messages */
314 
315     if (MessageId <= ASL_MSG_MAIN_COMPILER_END)
316     {
317         MessageTable = AslCompilerMsgs;
318         Index = MessageId;
319 
320         if (Index >= ACPI_ARRAY_LENGTH (AslCompilerMsgs))
321         {
322             return ("[Unknown ASL Compiler exception ID]");
323         }
324     }
325 
326     /* Data Table Compiler messages */
327 
328     else if (MessageId <= ASL_MSG_TABLE_COMPILER_END)
329     {
330         MessageTable = AslTableCompilerMsgs;
331         Index = MessageId - ASL_MSG_TABLE_COMPILER;
332 
333         if (Index >= ACPI_ARRAY_LENGTH (AslTableCompilerMsgs))
334         {
335             return ("[Unknown Table Compiler exception ID]");
336         }
337     }
338 
339     /* Preprocessor messages */
340 
341     else if (MessageId <= ASL_MSG_PREPROCESSOR_END)
342     {
343         MessageTable = AslPreprocessorMsgs;
344         Index = MessageId - ASL_MSG_PREPROCESSOR;
345 
346         if (Index >= ACPI_ARRAY_LENGTH (AslPreprocessorMsgs))
347         {
348             return ("[Unknown Preprocessor exception ID]");
349         }
350     }
351 
352     /* Everything else is unknown */
353 
354     else
355     {
356         return ("[Unknown exception/component ID]");
357     }
358 
359     return (MessageTable[Index]);
360 }
361 
362 
363 /*******************************************************************************
364  *
365  * FUNCTION:    AeDecodeExceptionLevel
366  *
367  * PARAMETERS:  Level               - The ASL error level to be decoded
368  *
369  * RETURN:      A string containing the error level text
370  *
371  * DESCRIPTION: This function validates and translates an ASL error level into
372  *              an ASCII string.
373  *
374  ******************************************************************************/
375 
376 const char *
377 AeDecodeExceptionLevel (
378     UINT8                   Level)
379 {
380     /* Range check on Level */
381 
382     if (Level >= ACPI_ARRAY_LENGTH (AslErrorLevel))
383     {
384         return ("Unknown exception level");
385     }
386 
387     /* Differentiate the string type to be used (IDE is all lower case) */
388 
389     if (Gbl_VerboseErrors)
390     {
391         return (AslErrorLevel[Level]);
392     }
393 
394     return (AslErrorLevelIde[Level]);
395 }
396 
397 
398 /*******************************************************************************
399  *
400  * FUNCTION:    AeBuildFullExceptionCode
401  *
402  * PARAMETERS:  Level               - ASL error level
403  *              MessageId           - ASL exception code to be formatted
404  *
405  * RETURN:      Fully encoded exception code
406  *
407  * DESCRIPTION: Build the full exception code from the error level and the
408  *              actual message ID.
409  *
410  ******************************************************************************/
411 
412 UINT16
413 AeBuildFullExceptionCode (
414     UINT8                   Level,
415     UINT16                  MessageId)
416 {
417 
418     /*
419      * Error level is in the thousands slot (error/warning/remark, etc.)
420      * Error codes are 0 - 999
421      */
422     return (((Level + 1) * 1000) + MessageId);
423 }
424