MdePkg/Include/Uefi/UefiBaseType.h

   1 /** @file
   2   Defines data types and constants introduced in UEFI.
   3
   4 Copyright (c) 2006 - 2011, 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 #include <Base.h>
  21
  22 //
  23 // Basic data type definitions introduced in UEFI.
  24 //
  25
  26 ///
  27 /// 128-bit buffer containing a unique identifier value.
  28 ///
  29 typedef GUID                      EFI_GUID;
  30 ///
  31 /// Function return status for EFI API.
  32 ///
  33 typedef RETURN_STATUS             EFI_STATUS;
  34 ///
  35 /// A collection of related interfaces.
  36 ///
  37 typedef VOID                      *EFI_HANDLE;
  38 ///
  39 /// Handle to an event structure.
  40 ///
  41 typedef VOID                      *EFI_EVENT;
  42 ///
  43 /// Task priority level.
  44 ///
  45 typedef UINTN                     EFI_TPL;
  46 ///
  47 /// Logical block address.
  48 ///
  49 typedef UINT64                    EFI_LBA;
  50
  51 ///
  52 /// 64-bit physical memory address.
  53 ///
  54 typedef UINT64                    EFI_PHYSICAL_ADDRESS;
  55
  56 ///
  57 /// 64-bit virtual memory address.
  58 ///
  59 typedef UINT64                    EFI_VIRTUAL_ADDRESS;
  60
  61 ///
  62 /// EFI Time Abstraction:
  63 ///  Year:       1900 - 9999
  64 ///  Month:      1 - 12
  65 ///  Day:        1 - 31
  66 ///  Hour:       0 - 23
  67 ///  Minute:     0 - 59
  68 ///  Second:     0 - 59
  69 ///  Nanosecond: 0 - 999,999,999
  70 ///  TimeZone:   -1440 to 1440 or 2047
  71 ///
  72 typedef struct {
  73   UINT16  Year;
  74   UINT8   Month;
  75   UINT8   Day;
  76   UINT8   Hour;
  77   UINT8   Minute;
  78   UINT8   Second;
  79   UINT8   Pad1;
  80   UINT32  Nanosecond;
  81   INT16   TimeZone;
  82   UINT8   Daylight;
  83   UINT8   Pad2;
  84 } EFI_TIME;
  85
  86
  87 ///
  88 /// 4-byte buffer. An IPv4 internet protocol address.
  89 ///
  90 typedef struct {
  91   UINT8 Addr[4];
  92 } EFI_IPv4_ADDRESS;
  93
  94 ///
  95 /// 16-byte buffer. An IPv6 internet protocol address.
  96 ///
  97 typedef struct {
  98   UINT8 Addr[16];
  99 } EFI_IPv6_ADDRESS;
 100
 101 ///
 102 /// 32-byte buffer containing a network Media Access Control address.
 103 ///
 104 typedef struct {
 105   UINT8 Addr[32];
 106 } EFI_MAC_ADDRESS;
 107
 108 ///
 109 /// 16-byte buffer aligned on a 4-byte boundary.
 110 /// An IPv4 or IPv6 internet protocol address.
 111 ///
 112 typedef union {
 113   UINT32            Addr[4];
 114   EFI_IPv4_ADDRESS  v4;
 115   EFI_IPv6_ADDRESS  v6;
 116 } EFI_IP_ADDRESS;
 117
 118
 119 ///
 120 /// Enumeration of EFI_STATUS.
 121 ///@{
 122 #define EFI_SUCCESS               RETURN_SUCCESS
 123 #define EFI_LOAD_ERROR            RETURN_LOAD_ERROR
 124 #define EFI_INVALID_PARAMETER     RETURN_INVALID_PARAMETER
 125 #define EFI_UNSUPPORTED           RETURN_UNSUPPORTED
 126 #define EFI_BAD_BUFFER_SIZE       RETURN_BAD_BUFFER_SIZE
 127 #define EFI_BUFFER_TOO_SMALL      RETURN_BUFFER_TOO_SMALL
 128 #define EFI_NOT_READY             RETURN_NOT_READY
 129 #define EFI_DEVICE_ERROR          RETURN_DEVICE_ERROR
 130 #define EFI_WRITE_PROTECTED       RETURN_WRITE_PROTECTED
 131 #define EFI_OUT_OF_RESOURCES      RETURN_OUT_OF_RESOURCES
 132 #define EFI_VOLUME_CORRUPTED      RETURN_VOLUME_CORRUPTED
 133 #define EFI_VOLUME_FULL           RETURN_VOLUME_FULL
 134 #define EFI_NO_MEDIA              RETURN_NO_MEDIA
 135 #define EFI_MEDIA_CHANGED         RETURN_MEDIA_CHANGED
 136 #define EFI_NOT_FOUND             RETURN_NOT_FOUND
 137 #define EFI_ACCESS_DENIED         RETURN_ACCESS_DENIED
 138 #define EFI_NO_RESPONSE           RETURN_NO_RESPONSE
 139 #define EFI_NO_MAPPING            RETURN_NO_MAPPING
 140 #define EFI_TIMEOUT               RETURN_TIMEOUT
 141 #define EFI_NOT_STARTED           RETURN_NOT_STARTED
 142 #define EFI_ALREADY_STARTED       RETURN_ALREADY_STARTED
 143 #define EFI_ABORTED               RETURN_ABORTED
 144 #define EFI_ICMP_ERROR            RETURN_ICMP_ERROR
 145 #define EFI_TFTP_ERROR            RETURN_TFTP_ERROR
 146 #define EFI_PROTOCOL_ERROR        RETURN_PROTOCOL_ERROR
 147 #define EFI_INCOMPATIBLE_VERSION  RETURN_INCOMPATIBLE_VERSION
 148 #define EFI_SECURITY_VIOLATION    RETURN_SECURITY_VIOLATION
 149 #define EFI_CRC_ERROR             RETURN_CRC_ERROR
 150 #define EFI_END_OF_MEDIA          RETURN_END_OF_MEDIA
 151 #define EFI_END_OF_FILE           RETURN_END_OF_FILE
 152 #define EFI_INVALID_LANGUAGE      RETURN_INVALID_LANGUAGE
 153 #define EFI_COMPROMISED_DATA      RETURN_COMPROMISED_DATA
 154 #define EFI_HTTP_ERROR            RETURN_HTTP_ERROR
 155
 156 #define EFI_WARN_UNKNOWN_GLYPH    RETURN_WARN_UNKNOWN_GLYPH
 157 #define EFI_WARN_DELETE_FAILURE   RETURN_WARN_DELETE_FAILURE
 158 #define EFI_WARN_WRITE_FAILURE    RETURN_WARN_WRITE_FAILURE
 159 #define EFI_WARN_BUFFER_TOO_SMALL RETURN_WARN_BUFFER_TOO_SMALL
 160 #define EFI_WARN_STALE_DATA       RETURN_WARN_STALE_DATA
 161 ///@}
 162
 163 ///
 164 /// Define macro to encode the status code.
 165 ///
 166 #define EFIERR(_a)                ENCODE_ERROR(_a)
 167
 168 #define EFI_ERROR(A)              RETURN_ERROR(A)
 169
 170 ///
 171 /// ICMP error definitions
 172 ///@{
 173 #define EFI_NETWORK_UNREACHABLE   EFIERR(100)
 174 #define EFI_HOST_UNREACHABLE      EFIERR(101)
 175 #define EFI_PROTOCOL_UNREACHABLE  EFIERR(102)
 176 #define EFI_PORT_UNREACHABLE      EFIERR(103)
 177 ///@}
 178
 179 ///
 180 /// Tcp connection status definitions
 181 ///@{
 182 #define EFI_CONNECTION_FIN        EFIERR(104)
 183 #define EFI_CONNECTION_RESET      EFIERR(105)
 184 #define EFI_CONNECTION_REFUSED    EFIERR(106)
 185 ///@}
 186
 187 //
 188 // The EFI memory allocation functions work in units of EFI_PAGEs that are
 189 // 4KB. This should in no way be confused with the page size of the processor.
 190 // An EFI_PAGE is just the quanta of memory in EFI.
 191 //
 192 #define EFI_PAGE_SIZE             SIZE_4KB
 193 #define EFI_PAGE_MASK             0xFFF
 194 #define EFI_PAGE_SHIFT            12
 195
 196 /**
 197   Macro that converts a size, in bytes, to a number of EFI_PAGESs.
 198
 199   @param  Size      A size in bytes.  This parameter is assumed to be type UINTN.
 200                     Passing in a parameter that is larger than UINTN may produce
 201                     unexpected results.
 202
 203   @return  The number of EFI_PAGESs associated with the number of bytes specified
 204            by Size.
 205
 206 **/
 207 #define EFI_SIZE_TO_PAGES(Size)  (((Size) >> EFI_PAGE_SHIFT) + (((Size) & EFI_PAGE_MASK) ? 1 : 0))
 208
 209 /**
 210   Macro that converts a number of EFI_PAGEs to a size in bytes.
 211
 212   @param  Pages     The number of EFI_PAGES.  This parameter is assumed to be
 213                     type UINTN.  Passing in a parameter that is larger than
 214                     UINTN may produce unexpected results.
 215
 216   @return  The number of bytes associated with the number of EFI_PAGEs specified
 217            by Pages.
 218
 219 **/
 220 #define EFI_PAGES_TO_SIZE(Pages)  ((Pages) << EFI_PAGE_SHIFT)
 221
 222 ///
 223 /// PE32+ Machine type for IA32 UEFI images.
 224 ///
 225 #define EFI_IMAGE_MACHINE_IA32            0x014C
 226
 227 ///
 228 /// PE32+ Machine type for IA64 UEFI images.
 229 ///
 230 #define EFI_IMAGE_MACHINE_IA64            0x0200
 231
 232 ///
 233 /// PE32+ Machine type for EBC UEFI images.
 234 ///
 235 #define EFI_IMAGE_MACHINE_EBC             0x0EBC
 236
 237 ///
 238 /// PE32+ Machine type for X64 UEFI images.
 239 ///
 240 #define EFI_IMAGE_MACHINE_X64             0x8664
 241
 242 ///
 243 /// PE32+ Machine type for ARM mixed ARM and Thumb/Thumb2 images.
 244 ///
 245 #define EFI_IMAGE_MACHINE_ARMTHUMB_MIXED  0x01C2
 246
 247 ///
 248 /// PE32+ Machine type for AARCH64 A64 images.
 249 ///
 250 #define EFI_IMAGE_MACHINE_AARCH64  0xAA64
 251
 252
 253 #if   defined (MDE_CPU_IA32)
 254
 255 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
 256   (((Machine) == EFI_IMAGE_MACHINE_IA32) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
 257
 258 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_X64)
 259
 260 #elif defined (MDE_CPU_IPF)
 261
 262 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
 263   (((Machine) == EFI_IMAGE_MACHINE_IA64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
 264
 265 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
 266
 267 #elif defined (MDE_CPU_X64)
 268
 269 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
 270   (((Machine) == EFI_IMAGE_MACHINE_X64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
 271
 272 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_IA32)
 273
 274 #elif defined (MDE_CPU_ARM)
 275
 276 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
 277   (((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
 278
 279 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)
 280
 281 #elif defined (MDE_CPU_AARCH64)
 282
 283 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
 284   (((Machine) == EFI_IMAGE_MACHINE_AARCH64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
 285
 286 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
 287
 288 #elif defined (MDE_CPU_EBC)
 289
 290 ///
 291 /// This is just to make sure you can cross compile with the EBC compiler.
 292 /// It does not make sense to have a PE loader coded in EBC.
 293 ///
 294 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_EBC)
 295
 296 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
 297
 298 #else
 299 #error Unknown Processor Type
 300 #endif
 301
 302 #endif