1 /** @file
2   Defines data types and constants introduced in UEFI.
3 
4 Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
5 Portions copyright (c) 2011 - 2016, ARM Ltd. All rights reserved.<BR>
6 
7 This program and the accompanying materials are licensed and made available under
8 the terms and conditions of the BSD License that accompanies this distribution.
9 The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php.
11 
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14 
15 **/
16 
17 #ifndef __UEFI_BASETYPE_H__
18 #define __UEFI_BASETYPE_H__
19 
20 FILE_LICENCE ( BSD3 );
21 
22 #include <ipxe/efi/Base.h>
23 
24 //
25 // Basic data type definitions introduced in UEFI.
26 //
27 
28 ///
29 /// 128-bit buffer containing a unique identifier value.
30 ///
31 typedef GUID                      EFI_GUID;
32 ///
33 /// Function return status for EFI API.
34 ///
35 typedef RETURN_STATUS             EFI_STATUS;
36 ///
37 /// A collection of related interfaces.
38 ///
39 typedef VOID                      *EFI_HANDLE;
40 ///
41 /// Handle to an event structure.
42 ///
43 typedef VOID                      *EFI_EVENT;
44 ///
45 /// Task priority level.
46 ///
47 typedef UINTN                     EFI_TPL;
48 ///
49 /// Logical block address.
50 ///
51 typedef UINT64                    EFI_LBA;
52 
53 ///
54 /// 64-bit physical memory address.
55 ///
56 typedef UINT64                    EFI_PHYSICAL_ADDRESS;
57 
58 ///
59 /// 64-bit virtual memory address.
60 ///
61 typedef UINT64                    EFI_VIRTUAL_ADDRESS;
62 
63 ///
64 /// EFI Time Abstraction:
65 ///  Year:       1900 - 9999
66 ///  Month:      1 - 12
67 ///  Day:        1 - 31
68 ///  Hour:       0 - 23
69 ///  Minute:     0 - 59
70 ///  Second:     0 - 59
71 ///  Nanosecond: 0 - 999,999,999
72 ///  TimeZone:   -1440 to 1440 or 2047
73 ///
74 typedef struct {
75   UINT16  Year;
76   UINT8   Month;
77   UINT8   Day;
78   UINT8   Hour;
79   UINT8   Minute;
80   UINT8   Second;
81   UINT8   Pad1;
82   UINT32  Nanosecond;
83   INT16   TimeZone;
84   UINT8   Daylight;
85   UINT8   Pad2;
86 } EFI_TIME;
87 
88 
89 ///
90 /// 4-byte buffer. An IPv4 internet protocol address.
91 ///
92 typedef IPv4_ADDRESS EFI_IPv4_ADDRESS;
93 
94 ///
95 /// 16-byte buffer. An IPv6 internet protocol address.
96 ///
97 typedef IPv6_ADDRESS EFI_IPv6_ADDRESS;
98 
99 ///
100 /// 32-byte buffer containing a network Media Access Control address.
101 ///
102 typedef struct {
103   UINT8 Addr[32];
104 } EFI_MAC_ADDRESS;
105 
106 ///
107 /// 16-byte buffer aligned on a 4-byte boundary.
108 /// An IPv4 or IPv6 internet protocol address.
109 ///
110 typedef union {
111   UINT32            Addr[4];
112   EFI_IPv4_ADDRESS  v4;
113   EFI_IPv6_ADDRESS  v6;
114 } EFI_IP_ADDRESS;
115 
116 
117 ///
118 /// Enumeration of EFI_STATUS.
119 ///@{
120 #define EFI_SUCCESS               RETURN_SUCCESS
121 #define EFI_LOAD_ERROR            RETURN_LOAD_ERROR
122 #define EFI_INVALID_PARAMETER     RETURN_INVALID_PARAMETER
123 #define EFI_UNSUPPORTED           RETURN_UNSUPPORTED
124 #define EFI_BAD_BUFFER_SIZE       RETURN_BAD_BUFFER_SIZE
125 #define EFI_BUFFER_TOO_SMALL      RETURN_BUFFER_TOO_SMALL
126 #define EFI_NOT_READY             RETURN_NOT_READY
127 #define EFI_DEVICE_ERROR          RETURN_DEVICE_ERROR
128 #define EFI_WRITE_PROTECTED       RETURN_WRITE_PROTECTED
129 #define EFI_OUT_OF_RESOURCES      RETURN_OUT_OF_RESOURCES
130 #define EFI_VOLUME_CORRUPTED      RETURN_VOLUME_CORRUPTED
131 #define EFI_VOLUME_FULL           RETURN_VOLUME_FULL
132 #define EFI_NO_MEDIA              RETURN_NO_MEDIA
133 #define EFI_MEDIA_CHANGED         RETURN_MEDIA_CHANGED
134 #define EFI_NOT_FOUND             RETURN_NOT_FOUND
135 #define EFI_ACCESS_DENIED         RETURN_ACCESS_DENIED
136 #define EFI_NO_RESPONSE           RETURN_NO_RESPONSE
137 #define EFI_NO_MAPPING            RETURN_NO_MAPPING
138 #define EFI_TIMEOUT               RETURN_TIMEOUT
139 #define EFI_NOT_STARTED           RETURN_NOT_STARTED
140 #define EFI_ALREADY_STARTED       RETURN_ALREADY_STARTED
141 #define EFI_ABORTED               RETURN_ABORTED
142 #define EFI_ICMP_ERROR            RETURN_ICMP_ERROR
143 #define EFI_TFTP_ERROR            RETURN_TFTP_ERROR
144 #define EFI_PROTOCOL_ERROR        RETURN_PROTOCOL_ERROR
145 #define EFI_INCOMPATIBLE_VERSION  RETURN_INCOMPATIBLE_VERSION
146 #define EFI_SECURITY_VIOLATION    RETURN_SECURITY_VIOLATION
147 #define EFI_CRC_ERROR             RETURN_CRC_ERROR
148 #define EFI_END_OF_MEDIA          RETURN_END_OF_MEDIA
149 #define EFI_END_OF_FILE           RETURN_END_OF_FILE
150 #define EFI_INVALID_LANGUAGE      RETURN_INVALID_LANGUAGE
151 #define EFI_COMPROMISED_DATA      RETURN_COMPROMISED_DATA
152 #define EFI_HTTP_ERROR            RETURN_HTTP_ERROR
153 
154 #define EFI_WARN_UNKNOWN_GLYPH    RETURN_WARN_UNKNOWN_GLYPH
155 #define EFI_WARN_DELETE_FAILURE   RETURN_WARN_DELETE_FAILURE
156 #define EFI_WARN_WRITE_FAILURE    RETURN_WARN_WRITE_FAILURE
157 #define EFI_WARN_BUFFER_TOO_SMALL RETURN_WARN_BUFFER_TOO_SMALL
158 #define EFI_WARN_STALE_DATA       RETURN_WARN_STALE_DATA
159 #define EFI_WARN_FILE_SYSTEM      RETURN_WARN_FILE_SYSTEM
160 ///@}
161 
162 ///
163 /// Define macro to encode the status code.
164 ///
165 #define EFIERR(_a)                ENCODE_ERROR(_a)
166 
167 #define EFI_ERROR(A)              RETURN_ERROR(A)
168 
169 ///
170 /// ICMP error definitions
171 ///@{
172 #define EFI_NETWORK_UNREACHABLE   EFIERR(100)
173 #define EFI_HOST_UNREACHABLE      EFIERR(101)
174 #define EFI_PROTOCOL_UNREACHABLE  EFIERR(102)
175 #define EFI_PORT_UNREACHABLE      EFIERR(103)
176 ///@}
177 
178 ///
179 /// Tcp connection status definitions
180 ///@{
181 #define EFI_CONNECTION_FIN        EFIERR(104)
182 #define EFI_CONNECTION_RESET      EFIERR(105)
183 #define EFI_CONNECTION_REFUSED    EFIERR(106)
184 ///@}
185 
186 //
187 // The EFI memory allocation functions work in units of EFI_PAGEs that are
188 // 4KB. This should in no way be confused with the page size of the processor.
189 // An EFI_PAGE is just the quanta of memory in EFI.
190 //
191 #define EFI_PAGE_SIZE             SIZE_4KB
192 #define EFI_PAGE_MASK             0xFFF
193 #define EFI_PAGE_SHIFT            12
194 
195 /**
196   Macro that converts a size, in bytes, to a number of EFI_PAGESs.
197 
198   @param  Size      A size in bytes.  This parameter is assumed to be type UINTN.
199                     Passing in a parameter that is larger than UINTN may produce
200                     unexpected results.
201 
202   @return  The number of EFI_PAGESs associated with the number of bytes specified
203            by Size.
204 
205 **/
206 #define EFI_SIZE_TO_PAGES(Size)  (((Size) >> EFI_PAGE_SHIFT) + (((Size) & EFI_PAGE_MASK) ? 1 : 0))
207 
208 /**
209   Macro that converts a number of EFI_PAGEs to a size in bytes.
210 
211   @param  Pages     The number of EFI_PAGES.  This parameter is assumed to be
212                     type UINTN.  Passing in a parameter that is larger than
213                     UINTN may produce unexpected results.
214 
215   @return  The number of bytes associated with the number of EFI_PAGEs specified
216            by Pages.
217 
218 **/
219 #define EFI_PAGES_TO_SIZE(Pages)  ((Pages) << EFI_PAGE_SHIFT)
220 
221 ///
222 /// PE32+ Machine type for IA32 UEFI images.
223 ///
224 #define EFI_IMAGE_MACHINE_IA32            0x014C
225 
226 ///
227 /// PE32+ Machine type for IA64 UEFI images.
228 ///
229 #define EFI_IMAGE_MACHINE_IA64            0x0200
230 
231 ///
232 /// PE32+ Machine type for EBC UEFI images.
233 ///
234 #define EFI_IMAGE_MACHINE_EBC             0x0EBC
235 
236 ///
237 /// PE32+ Machine type for X64 UEFI images.
238 ///
239 #define EFI_IMAGE_MACHINE_X64             0x8664
240 
241 ///
242 /// PE32+ Machine type for ARM mixed ARM and Thumb/Thumb2 images.
243 ///
244 #define EFI_IMAGE_MACHINE_ARMTHUMB_MIXED  0x01C2
245 
246 ///
247 /// PE32+ Machine type for AARCH64 A64 images.
248 ///
249 #define EFI_IMAGE_MACHINE_AARCH64  0xAA64
250 
251 
252 #if   defined (MDE_CPU_IA32)
253 
254 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
255   (((Machine) == EFI_IMAGE_MACHINE_IA32) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
256 
257 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_X64)
258 
259 #elif defined (MDE_CPU_IPF)
260 
261 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
262   (((Machine) == EFI_IMAGE_MACHINE_IA64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
263 
264 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
265 
266 #elif defined (MDE_CPU_X64)
267 
268 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
269   (((Machine) == EFI_IMAGE_MACHINE_X64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
270 
271 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_IA32)
272 
273 #elif defined (MDE_CPU_ARM)
274 
275 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
276   (((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
277 
278 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)
279 
280 #elif defined (MDE_CPU_AARCH64)
281 
282 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
283   (((Machine) == EFI_IMAGE_MACHINE_AARCH64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
284 
285 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
286 
287 #elif defined (MDE_CPU_EBC)
288 
289 ///
290 /// This is just to make sure you can cross compile with the EBC compiler.
291 /// It does not make sense to have a PE loader coded in EBC.
292 ///
293 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_EBC)
294 
295 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
296 
297 #else
298 #error Unknown Processor Type
299 #endif
300 
301 #endif
302