1 /** @file
2   Defines data types and constants introduced in UEFI.
3 
4 Copyright (c) 2006 - 2021, Intel Corporation. All rights reserved.<BR>
5 Portions copyright (c) 2011 - 2016, ARM Ltd. All rights reserved.<BR>
6 Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
7 Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
8 
9 SPDX-License-Identifier: BSD-2-Clause-Patent
10 
11 **/
12 
13 #ifndef __UEFI_BASETYPE_H__
14 #define __UEFI_BASETYPE_H__
15 
16 #include <Base.h>
17 
18 //
19 // Basic data type definitions introduced in UEFI.
20 //
21 
22 ///
23 /// 128-bit buffer containing a unique identifier value.
24 ///
25 typedef GUID EFI_GUID;
26 ///
27 /// Function return status for EFI API.
28 ///
29 typedef RETURN_STATUS EFI_STATUS;
30 ///
31 /// A collection of related interfaces.
32 ///
33 typedef VOID *EFI_HANDLE;
34 ///
35 /// Handle to an event structure.
36 ///
37 typedef VOID *EFI_EVENT;
38 ///
39 /// Task priority level.
40 ///
41 typedef UINTN EFI_TPL;
42 ///
43 /// Logical block address.
44 ///
45 typedef UINT64 EFI_LBA;
46 
47 ///
48 /// 64-bit physical memory address.
49 ///
50 typedef UINT64 EFI_PHYSICAL_ADDRESS;
51 
52 ///
53 /// 64-bit virtual memory address.
54 ///
55 typedef UINT64 EFI_VIRTUAL_ADDRESS;
56 
57 ///
58 /// EFI Time Abstraction:
59 ///  Year:       1900 - 9999
60 ///  Month:      1 - 12
61 ///  Day:        1 - 31
62 ///  Hour:       0 - 23
63 ///  Minute:     0 - 59
64 ///  Second:     0 - 59
65 ///  Nanosecond: 0 - 999,999,999
66 ///  TimeZone:   -1440 to 1440 or 2047
67 ///
68 typedef struct {
69   UINT16    Year;
70   UINT8     Month;
71   UINT8     Day;
72   UINT8     Hour;
73   UINT8     Minute;
74   UINT8     Second;
75   UINT8     Pad1;
76   UINT32    Nanosecond;
77   INT16     TimeZone;
78   UINT8     Daylight;
79   UINT8     Pad2;
80 } EFI_TIME;
81 
82 ///
83 /// 4-byte buffer. An IPv4 internet protocol address.
84 ///
85 typedef IPv4_ADDRESS EFI_IPv4_ADDRESS;
86 
87 ///
88 /// 16-byte buffer. An IPv6 internet protocol address.
89 ///
90 typedef IPv6_ADDRESS EFI_IPv6_ADDRESS;
91 
92 ///
93 /// 32-byte buffer containing a network Media Access Control address.
94 ///
95 typedef struct {
96   UINT8    Addr[32];
97 } EFI_MAC_ADDRESS;
98 
99 ///
100 /// 16-byte buffer aligned on a 4-byte boundary.
101 /// An IPv4 or IPv6 internet protocol address.
102 ///
103 typedef union {
104   UINT32              Addr[4];
105   EFI_IPv4_ADDRESS    v4;
106   EFI_IPv6_ADDRESS    v6;
107 } EFI_IP_ADDRESS;
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 /// PE32+ Machine type for RISC-V 32/64/128
245 ///
246 #define EFI_IMAGE_MACHINE_RISCV32   0x5032
247 #define EFI_IMAGE_MACHINE_RISCV64   0x5064
248 #define EFI_IMAGE_MACHINE_RISCV128  0x5128
249 
250 ///
251 /// PE32+ Machine type for LoongArch 32/64 images.
252 ///
253 #define EFI_IMAGE_MACHINE_LOONGARCH32  0x6232
254 #define EFI_IMAGE_MACHINE_LOONGARCH64  0x6264
255 
256 #if !defined (EFI_IMAGE_MACHINE_TYPE_VALUE) && !defined (EFI_IMAGE_MACHINE_CROSS_TYPE_VALUE)
257   #if   defined (MDE_CPU_IA32)
258 
259 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
260   ((Machine) == EFI_IMAGE_MACHINE_IA32)
261 
262 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  ((Machine) == EFI_IMAGE_MACHINE_X64)
263 
264   #elif defined (MDE_CPU_X64)
265 
266 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
267   ((Machine) == EFI_IMAGE_MACHINE_X64)
268 
269 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  ((Machine) == EFI_IMAGE_MACHINE_IA32)
270 
271   #elif defined (MDE_CPU_ARM)
272 
273 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine)  ((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)
274 
275 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
276 
277   #elif defined (MDE_CPU_AARCH64)
278 
279 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
280   ((Machine) == EFI_IMAGE_MACHINE_AARCH64)
281 
282 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
283 
284   #elif defined (MDE_CPU_RISCV64)
285 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
286   ((Machine) == EFI_IMAGE_MACHINE_RISCV64)
287 
288 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
289 
290   #elif defined (MDE_CPU_LOONGARCH64)
291 
292 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
293     ((Machine) == EFI_IMAGE_MACHINE_LOONGARCH64)
294 
295 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
296 
297   #elif defined (MDE_CPU_EBC)
298 
299 ///
300 /// This is just to make sure you can cross compile with the EBC compiler.
301 /// It does not make sense to have a PE loader coded in EBC.
302 ///
303 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine)  ((Machine) == EFI_IMAGE_MACHINE_EBC)
304 
305 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
306 
307   #else
308     #error Unknown Processor Type
309   #endif
310 #else
311   #if defined (EFI_IMAGE_MACHINE_TYPE_VALUE)
312 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine)  ((Machine) == EFI_IMAGE_MACHINE_TYPE_VALUE)
313   #else
314 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine)  (FALSE)
315   #endif
316   #if defined (EFI_IMAGE_MACHINE_CROSS_TYPE_VALUE)
317 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  ((Machine) == EFI_IMAGE_MACHINE_CROSS_TYPE_VALUE)
318   #else
319 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine)  (FALSE)
320   #endif
321 #endif
322 
323 #endif
324