1 /** @file
2   Processor or Compiler specific defines for all supported processors.
3 
4   This file is stand alone self consistent set of definitions.
5 
6   Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
7   SPDX-License-Identifier: BSD-2-Clause-Patent
8 
9 **/
10 
11 #ifndef __BASE_TYPES_H__
12 #define __BASE_TYPES_H__
13 
14 //
15 // Include processor specific binding
16 //
17 #include <ProcessorBind.h>
18 #include <stdarg.h>
19 
20 //
21 // Modifiers to abstract standard types to aid in debug of problems
22 //
23 #define CONST     const
24 #define STATIC    static
25 #define VOID      void
26 
27 //
28 // Modifiers for Data Types used to self document code.
29 // This concept is borrowed for UEFI specification.
30 //
31 #ifndef IN
32 //
33 // Some other environments use this construct, so #ifndef to prevent
34 // multiple definition.
35 //
36 #define IN
37 #define OUT
38 #define OPTIONAL
39 #endif
40 
41 //
42 // Constants. They may exist in other build structures, so #ifndef them.
43 //
44 #ifndef TRUE
45 //
46 // BugBug: UEFI specification claims 1 and 0. We are concerned about the
47 //  compiler portability so we did it this way.
48 //
49 #define TRUE  ((BOOLEAN)(1==1))
50 #endif
51 
52 #ifndef FALSE
53 #define FALSE ((BOOLEAN)(0==1))
54 #endif
55 
56 #ifndef NULL
57 #define NULL  ((VOID *) 0)
58 #endif
59 
60 //
61 //  Support for variable length argument lists using the ANSI standard.
62 //
63 //  Since we are using the ANSI standard we used the standard naming and
64 //  did not follow the coding convention
65 //
66 //  VA_LIST  - typedef for argument list.
67 //  VA_START (VA_LIST Marker, argument before the ...) - Init Marker for use.
68 //  VA_END (VA_LIST Marker) - Clear Marker
69 //  VA_ARG (VA_LIST Marker, var arg size) - Use Marker to get an argument from
70 //    the ... list. You must know the size and pass it in this macro.
71 //
72 //  example:
73 //
74 //  UINTN
75 //  ExampleVarArg (
76 //    IN UINTN  NumberOfArgs,
77 //    ...
78 //    )
79 //  {
80 //    VA_LIST Marker;
81 //    UINTN   Index;
82 //    UINTN   Result;
83 //
84 //    //
85 //    // Initialize the Marker
86 //    //
87 //    VA_START (Marker, NumberOfArgs);
88 //    for (Index = 0, Result = 0; Index < NumberOfArgs; Index++) {
89 //      //
90 //      // The ... list is a series of UINTN values, so average them up.
91 //      //
92 //      Result += VA_ARG (Marker, UINTN);
93 //    }
94 //
95 //    VA_END (Marker);
96 //    return Result
97 //  }
98 //
99 
100 #define _INT_SIZE_OF(n) ((sizeof (n) + sizeof (UINTN) - 1) &~(sizeof (UINTN) - 1))
101 
102 //
103 // Also support coding convention rules for var arg macros
104 //
105 #ifndef VA_START
106 
107 // typedef CHAR8 *VA_LIST;
108 // #define VA_START(ap, v) (ap = (VA_LIST) & (v) + _INT_SIZE_OF (v))
109 // #define VA_ARG(ap, t)   (*(t *) ((ap += _INT_SIZE_OF (t)) - _INT_SIZE_OF (t)))
110 // #define VA_END(ap)      (ap = (VA_LIST) 0)
111 // Use the native arguments for tools.
112 #define VA_START va_start
113 #define VA_ARG   va_arg
114 #define VA_END   va_end
115 #define VA_LIST  va_list
116 
117 #endif
118 
119 #ifndef GUID_DEFINED
120 #define GUID_DEFINED
121 ///
122 /// 128 bit buffer containing a unique identifier value.
123 /// Unless otherwise specified, aligned on a 64 bit boundary.
124 ///
125 typedef struct {
126   UINT32  Data1;
127   UINT16  Data2;
128   UINT16  Data3;
129   UINT8   Data4[8];
130 } GUID;
131 #endif
132 
133 ///
134 /// 4-byte buffer. An IPv4 internet protocol address.
135 ///
136 typedef struct {
137   UINT8 Addr[4];
138 } IPv4_ADDRESS;
139 
140 ///
141 /// 16-byte buffer. An IPv6 internet protocol address.
142 ///
143 typedef struct {
144   UINT8 Addr[16];
145 } IPv6_ADDRESS;
146 
147 //
148 // Macro that returns the byte offset of a field in a data structure.
149 //
150 #define OFFSET_OF(TYPE, Field) ((UINTN) &(((TYPE *)0)->Field))
151 
152 ///
153 ///  _CR - returns a pointer to the structure
154 ///      from one of its elements.
155 ///
156 #define _CR(Record, TYPE, Field)  ((TYPE *) ((CHAR8 *) (Record) - (CHAR8 *) &(((TYPE *) 0)->Field)))
157 
158 ///
159 ///  ALIGN_POINTER - aligns a pointer to the lowest boundary
160 ///
161 #define ALIGN_POINTER(p, s) ((VOID *) ((UINTN)(p) + (((s) - ((UINTN) (p))) & ((s) - 1))))
162 
163 ///
164 ///  ALIGN_VARIABLE - aligns a variable up to the next natural boundary for int size of a processor
165 ///
166 #define ALIGN_VARIABLE(Value, Adjustment) \
167   Adjustment = 0U; \
168   if ((UINTN) (Value) % sizeof (UINTN)) { \
169     (Adjustment) = (UINTN)(sizeof (UINTN) - ((UINTN) (Value) % sizeof (UINTN))); \
170   } \
171   (Value) = (UINTN)((UINTN) (Value) + (UINTN) (Adjustment))
172 
173 //
174 // Return the maximum of two operands.
175 // This macro returns the maximum of two operand specified by a and b.
176 // Both a and b must be the same numerical types, signed or unsigned.
177 //
178 #define MAX(a, b)                       \
179   (((a) > (b)) ? (a) : (b))
180 
181 
182 //
183 // Return the minimum of two operands.
184 // This macro returns the minimal of two operand specified by a and b.
185 // Both a and b must be the same numerical types, signed or unsigned.
186 //
187 #define MIN(a, b)                       \
188   (((a) < (b)) ? (a) : (b))
189 
190 
191 //
192 // EFI Error Codes common to all execution phases
193 //
194 
195 typedef UINTN RETURN_STATUS;
196 
197 ///
198 /// Set the upper bit to indicate EFI Error.
199 ///
200 #define ENCODE_ERROR(a)              ((RETURN_STATUS)(MAX_BIT | (a)))
201 
202 #define ENCODE_WARNING(a)            ((RETURN_STATUS)(a))
203 #define RETURN_ERROR(a)              (((INTN)(RETURN_STATUS)(a)) < 0)
204 
205 #define RETURN_SUCCESS               0
206 #define RETURN_LOAD_ERROR            ENCODE_ERROR (1)
207 #define RETURN_INVALID_PARAMETER     ENCODE_ERROR (2)
208 #define RETURN_UNSUPPORTED           ENCODE_ERROR (3)
209 #define RETURN_BAD_BUFFER_SIZE       ENCODE_ERROR (4)
210 #define RETURN_BUFFER_TOO_SMALL      ENCODE_ERROR (5)
211 #define RETURN_NOT_READY             ENCODE_ERROR (6)
212 #define RETURN_DEVICE_ERROR          ENCODE_ERROR (7)
213 #define RETURN_WRITE_PROTECTED       ENCODE_ERROR (8)
214 #define RETURN_OUT_OF_RESOURCES      ENCODE_ERROR (9)
215 #define RETURN_VOLUME_CORRUPTED      ENCODE_ERROR (10)
216 #define RETURN_VOLUME_FULL           ENCODE_ERROR (11)
217 #define RETURN_NO_MEDIA              ENCODE_ERROR (12)
218 #define RETURN_MEDIA_CHANGED         ENCODE_ERROR (13)
219 #define RETURN_NOT_FOUND             ENCODE_ERROR (14)
220 #define RETURN_ACCESS_DENIED         ENCODE_ERROR (15)
221 #define RETURN_NO_RESPONSE           ENCODE_ERROR (16)
222 #define RETURN_NO_MAPPING            ENCODE_ERROR (17)
223 #define RETURN_TIMEOUT               ENCODE_ERROR (18)
224 #define RETURN_NOT_STARTED           ENCODE_ERROR (19)
225 #define RETURN_ALREADY_STARTED       ENCODE_ERROR (20)
226 #define RETURN_ABORTED               ENCODE_ERROR (21)
227 #define RETURN_ICMP_ERROR            ENCODE_ERROR (22)
228 #define RETURN_TFTP_ERROR            ENCODE_ERROR (23)
229 #define RETURN_PROTOCOL_ERROR        ENCODE_ERROR (24)
230 #define RETURN_INCOMPATIBLE_VERSION  ENCODE_ERROR (25)
231 #define RETURN_SECURITY_VIOLATION    ENCODE_ERROR (26)
232 #define RETURN_CRC_ERROR             ENCODE_ERROR (27)
233 #define RETURN_END_OF_MEDIA          ENCODE_ERROR (28)
234 #define RETURN_END_OF_FILE           ENCODE_ERROR (31)
235 
236 #define RETURN_WARN_UNKNOWN_GLYPH    ENCODE_WARNING (1)
237 #define RETURN_WARN_DELETE_FAILURE   ENCODE_WARNING (2)
238 #define RETURN_WARN_WRITE_FAILURE    ENCODE_WARNING (3)
239 #define RETURN_WARN_BUFFER_TOO_SMALL ENCODE_WARNING (4)
240 
241 typedef UINT64 PHYSICAL_ADDRESS;
242 
243 #define  BIT0     0x00000001
244 #define  BIT1     0x00000002
245 #define  BIT2     0x00000004
246 #define  BIT3     0x00000008
247 #define  BIT4     0x00000010
248 #define  BIT5     0x00000020
249 #define  BIT6     0x00000040
250 #define  BIT7     0x00000080
251 #define  BIT8     0x00000100
252 #define  BIT9     0x00000200
253 #define  BIT10    0x00000400
254 #define  BIT11    0x00000800
255 #define  BIT12    0x00001000
256 #define  BIT13    0x00002000
257 #define  BIT14    0x00004000
258 #define  BIT15    0x00008000
259 #define  BIT16    0x00010000
260 #define  BIT17    0x00020000
261 #define  BIT18    0x00040000
262 #define  BIT19    0x00080000
263 #define  BIT20    0x00100000
264 #define  BIT21    0x00200000
265 #define  BIT22    0x00400000
266 #define  BIT23    0x00800000
267 #define  BIT24    0x01000000
268 #define  BIT25    0x02000000
269 #define  BIT26    0x04000000
270 #define  BIT27    0x08000000
271 #define  BIT28    0x10000000
272 #define  BIT29    0x20000000
273 #define  BIT30    0x40000000
274 #define  BIT31    0x80000000
275 #define  BIT32    0x0000000100000000ULL
276 #define  BIT33    0x0000000200000000ULL
277 #define  BIT34    0x0000000400000000ULL
278 #define  BIT35    0x0000000800000000ULL
279 #define  BIT36    0x0000001000000000ULL
280 #define  BIT37    0x0000002000000000ULL
281 #define  BIT38    0x0000004000000000ULL
282 #define  BIT39    0x0000008000000000ULL
283 #define  BIT40    0x0000010000000000ULL
284 #define  BIT41    0x0000020000000000ULL
285 #define  BIT42    0x0000040000000000ULL
286 #define  BIT43    0x0000080000000000ULL
287 #define  BIT44    0x0000100000000000ULL
288 #define  BIT45    0x0000200000000000ULL
289 #define  BIT46    0x0000400000000000ULL
290 #define  BIT47    0x0000800000000000ULL
291 #define  BIT48    0x0001000000000000ULL
292 #define  BIT49    0x0002000000000000ULL
293 #define  BIT50    0x0004000000000000ULL
294 #define  BIT51    0x0008000000000000ULL
295 #define  BIT52    0x0010000000000000ULL
296 #define  BIT53    0x0020000000000000ULL
297 #define  BIT54    0x0040000000000000ULL
298 #define  BIT55    0x0080000000000000ULL
299 #define  BIT56    0x0100000000000000ULL
300 #define  BIT57    0x0200000000000000ULL
301 #define  BIT58    0x0400000000000000ULL
302 #define  BIT59    0x0800000000000000ULL
303 #define  BIT60    0x1000000000000000ULL
304 #define  BIT61    0x2000000000000000ULL
305 #define  BIT62    0x4000000000000000ULL
306 #define  BIT63    0x8000000000000000ULL
307 
308 #endif
309