1 /** @file
2   Defines data types and constants introduced in UEFI.
3 
4 Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
5 Portions copyright (c) 2011 - 2016, ARM Ltd. All rights reserved.<BR>
6 
7 SPDX-License-Identifier: BSD-2-Clause-Patent
8 
9 **/
10 
11 #ifndef __UEFI_BASETYPE_H__
12 #define __UEFI_BASETYPE_H__
13 
14 #include <Base.h>
15 
16 //
17 // Basic data type definitions introduced in UEFI.
18 //
19 
20 ///
21 /// 128-bit buffer containing a unique identifier value.
22 ///
23 typedef GUID                      EFI_GUID;
24 ///
25 /// Function return status for EFI API.
26 ///
27 typedef RETURN_STATUS             EFI_STATUS;
28 ///
29 /// A collection of related interfaces.
30 ///
31 typedef VOID                      *EFI_HANDLE;
32 ///
33 /// Handle to an event structure.
34 ///
35 typedef VOID                      *EFI_EVENT;
36 ///
37 /// Task priority level.
38 ///
39 typedef UINTN                     EFI_TPL;
40 ///
41 /// Logical block address.
42 ///
43 typedef UINT64                    EFI_LBA;
44 
45 ///
46 /// 64-bit physical memory address.
47 ///
48 typedef UINT64                    EFI_PHYSICAL_ADDRESS;
49 
50 ///
51 /// 64-bit virtual memory address.
52 ///
53 typedef UINT64                    EFI_VIRTUAL_ADDRESS;
54 
55 ///
56 /// EFI Time Abstraction:
57 ///  Year:       1900 - 9999
58 ///  Month:      1 - 12
59 ///  Day:        1 - 31
60 ///  Hour:       0 - 23
61 ///  Minute:     0 - 59
62 ///  Second:     0 - 59
63 ///  Nanosecond: 0 - 999,999,999
64 ///  TimeZone:   -1440 to 1440 or 2047
65 ///
66 typedef struct {
67   UINT16  Year;
68   UINT8   Month;
69   UINT8   Day;
70   UINT8   Hour;
71   UINT8   Minute;
72   UINT8   Second;
73   UINT8   Pad1;
74   UINT32  Nanosecond;
75   INT16   TimeZone;
76   UINT8   Daylight;
77   UINT8   Pad2;
78 } EFI_TIME;
79 
80 
81 ///
82 /// 4-byte buffer. An IPv4 internet protocol address.
83 ///
84 typedef IPv4_ADDRESS EFI_IPv4_ADDRESS;
85 
86 ///
87 /// 16-byte buffer. An IPv6 internet protocol address.
88 ///
89 typedef IPv6_ADDRESS EFI_IPv6_ADDRESS;
90 
91 ///
92 /// 32-byte buffer containing a network Media Access Control address.
93 ///
94 typedef struct {
95   UINT8 Addr[32];
96 } EFI_MAC_ADDRESS;
97 
98 ///
99 /// 16-byte buffer aligned on a 4-byte boundary.
100 /// An IPv4 or IPv6 internet protocol address.
101 ///
102 typedef union {
103   UINT32            Addr[4];
104   EFI_IPv4_ADDRESS  v4;
105   EFI_IPv6_ADDRESS  v6;
106 } EFI_IP_ADDRESS;
107 
108 
109 ///
110 /// Enumeration of EFI_STATUS.
111 ///@{
112 #define EFI_SUCCESS               RETURN_SUCCESS
113 #define EFI_LOAD_ERROR            RETURN_LOAD_ERROR
114 #define EFI_INVALID_PARAMETER     RETURN_INVALID_PARAMETER
115 #define EFI_UNSUPPORTED           RETURN_UNSUPPORTED
116 #define EFI_BAD_BUFFER_SIZE       RETURN_BAD_BUFFER_SIZE
117 #define EFI_BUFFER_TOO_SMALL      RETURN_BUFFER_TOO_SMALL
118 #define EFI_NOT_READY             RETURN_NOT_READY
119 #define EFI_DEVICE_ERROR          RETURN_DEVICE_ERROR
120 #define EFI_WRITE_PROTECTED       RETURN_WRITE_PROTECTED
121 #define EFI_OUT_OF_RESOURCES      RETURN_OUT_OF_RESOURCES
122 #define EFI_VOLUME_CORRUPTED      RETURN_VOLUME_CORRUPTED
123 #define EFI_VOLUME_FULL           RETURN_VOLUME_FULL
124 #define EFI_NO_MEDIA              RETURN_NO_MEDIA
125 #define EFI_MEDIA_CHANGED         RETURN_MEDIA_CHANGED
126 #define EFI_NOT_FOUND             RETURN_NOT_FOUND
127 #define EFI_ACCESS_DENIED         RETURN_ACCESS_DENIED
128 #define EFI_NO_RESPONSE           RETURN_NO_RESPONSE
129 #define EFI_NO_MAPPING            RETURN_NO_MAPPING
130 #define EFI_TIMEOUT               RETURN_TIMEOUT
131 #define EFI_NOT_STARTED           RETURN_NOT_STARTED
132 #define EFI_ALREADY_STARTED       RETURN_ALREADY_STARTED
133 #define EFI_ABORTED               RETURN_ABORTED
134 #define EFI_ICMP_ERROR            RETURN_ICMP_ERROR
135 #define EFI_TFTP_ERROR            RETURN_TFTP_ERROR
136 #define EFI_PROTOCOL_ERROR        RETURN_PROTOCOL_ERROR
137 #define EFI_INCOMPATIBLE_VERSION  RETURN_INCOMPATIBLE_VERSION
138 #define EFI_SECURITY_VIOLATION    RETURN_SECURITY_VIOLATION
139 #define EFI_CRC_ERROR             RETURN_CRC_ERROR
140 #define EFI_END_OF_MEDIA          RETURN_END_OF_MEDIA
141 #define EFI_END_OF_FILE           RETURN_END_OF_FILE
142 #define EFI_INVALID_LANGUAGE      RETURN_INVALID_LANGUAGE
143 #define EFI_COMPROMISED_DATA      RETURN_COMPROMISED_DATA
144 #define EFI_HTTP_ERROR            RETURN_HTTP_ERROR
145 
146 #define EFI_WARN_UNKNOWN_GLYPH    RETURN_WARN_UNKNOWN_GLYPH
147 #define EFI_WARN_DELETE_FAILURE   RETURN_WARN_DELETE_FAILURE
148 #define EFI_WARN_WRITE_FAILURE    RETURN_WARN_WRITE_FAILURE
149 #define EFI_WARN_BUFFER_TOO_SMALL RETURN_WARN_BUFFER_TOO_SMALL
150 #define EFI_WARN_STALE_DATA       RETURN_WARN_STALE_DATA
151 #define EFI_WARN_FILE_SYSTEM      RETURN_WARN_FILE_SYSTEM
152 ///@}
153 
154 ///
155 /// Define macro to encode the status code.
156 ///
157 #define EFIERR(_a)                ENCODE_ERROR(_a)
158 
159 #define EFI_ERROR(A)              RETURN_ERROR(A)
160 
161 ///
162 /// ICMP error definitions
163 ///@{
164 #define EFI_NETWORK_UNREACHABLE   EFIERR(100)
165 #define EFI_HOST_UNREACHABLE      EFIERR(101)
166 #define EFI_PROTOCOL_UNREACHABLE  EFIERR(102)
167 #define EFI_PORT_UNREACHABLE      EFIERR(103)
168 ///@}
169 
170 ///
171 /// Tcp connection status definitions
172 ///@{
173 #define EFI_CONNECTION_FIN        EFIERR(104)
174 #define EFI_CONNECTION_RESET      EFIERR(105)
175 #define EFI_CONNECTION_REFUSED    EFIERR(106)
176 ///@}
177 
178 //
179 // The EFI memory allocation functions work in units of EFI_PAGEs that are
180 // 4KB. This should in no way be confused with the page size of the processor.
181 // An EFI_PAGE is just the quanta of memory in EFI.
182 //
183 #define EFI_PAGE_SIZE             SIZE_4KB
184 #define EFI_PAGE_MASK             0xFFF
185 #define EFI_PAGE_SHIFT            12
186 
187 /**
188   Macro that converts a size, in bytes, to a number of EFI_PAGESs.
189 
190   @param  Size      A size in bytes.  This parameter is assumed to be type UINTN.
191                     Passing in a parameter that is larger than UINTN may produce
192                     unexpected results.
193 
194   @return  The number of EFI_PAGESs associated with the number of bytes specified
195            by Size.
196 
197 **/
198 #define EFI_SIZE_TO_PAGES(Size)  (((Size) >> EFI_PAGE_SHIFT) + (((Size) & EFI_PAGE_MASK) ? 1 : 0))
199 
200 /**
201   Macro that converts a number of EFI_PAGEs to a size in bytes.
202 
203   @param  Pages     The number of EFI_PAGES.  This parameter is assumed to be
204                     type UINTN.  Passing in a parameter that is larger than
205                     UINTN may produce unexpected results.
206 
207   @return  The number of bytes associated with the number of EFI_PAGEs specified
208            by Pages.
209 
210 **/
211 #define EFI_PAGES_TO_SIZE(Pages)  ((Pages) << EFI_PAGE_SHIFT)
212 
213 ///
214 /// PE32+ Machine type for IA32 UEFI images.
215 ///
216 #define EFI_IMAGE_MACHINE_IA32            0x014C
217 
218 ///
219 /// PE32+ Machine type for IA64 UEFI images.
220 ///
221 #define EFI_IMAGE_MACHINE_IA64            0x0200
222 
223 ///
224 /// PE32+ Machine type for EBC UEFI images.
225 ///
226 #define EFI_IMAGE_MACHINE_EBC             0x0EBC
227 
228 ///
229 /// PE32+ Machine type for X64 UEFI images.
230 ///
231 #define EFI_IMAGE_MACHINE_X64             0x8664
232 
233 ///
234 /// PE32+ Machine type for ARM mixed ARM and Thumb/Thumb2 images.
235 ///
236 #define EFI_IMAGE_MACHINE_ARMTHUMB_MIXED  0x01C2
237 
238 ///
239 /// PE32+ Machine type for AARCH64 A64 images.
240 ///
241 #define EFI_IMAGE_MACHINE_AARCH64  0xAA64
242 
243 
244 #if   defined (MDE_CPU_IA32)
245 
246 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
247   ((Machine) == EFI_IMAGE_MACHINE_IA32)
248 
249 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_X64)
250 
251 #elif defined (MDE_CPU_X64)
252 
253 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
254   ((Machine) == EFI_IMAGE_MACHINE_X64)
255 
256 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_IA32)
257 
258 #elif defined (MDE_CPU_ARM)
259 
260 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)
261 
262 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
263 
264 #elif defined (MDE_CPU_AARCH64)
265 
266 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
267   ((Machine) == EFI_IMAGE_MACHINE_AARCH64)
268 
269 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
270 
271 #elif defined (MDE_CPU_EBC)
272 
273 ///
274 /// This is just to make sure you can cross compile with the EBC compiler.
275 /// It does not make sense to have a PE loader coded in EBC.
276 ///
277 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_EBC)
278 
279 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
280 
281 #else
282 #error Unknown Processor Type
283 #endif
284 
285 #endif
286