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      1 /** @file
      2   Defines data types and constants introduced in UEFI.
      3 
      4 Copyright (c) 2006 - 2016, 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 #define EFI_WARN_FILE_SYSTEM      RETURN_WARN_FILE_SYSTEM
    162 ///@}
    163 
    164 ///
    165 /// Define macro to encode the status code.
    166 ///
    167 #define EFIERR(_a)                ENCODE_ERROR(_a)
    168 
    169 #define EFI_ERROR(A)              RETURN_ERROR(A)
    170 
    171 ///
    172 /// ICMP error definitions
    173 ///@{
    174 #define EFI_NETWORK_UNREACHABLE   EFIERR(100)
    175 #define EFI_HOST_UNREACHABLE      EFIERR(101)
    176 #define EFI_PROTOCOL_UNREACHABLE  EFIERR(102)
    177 #define EFI_PORT_UNREACHABLE      EFIERR(103)
    178 ///@}
    179 
    180 ///
    181 /// Tcp connection status definitions
    182 ///@{
    183 #define EFI_CONNECTION_FIN        EFIERR(104)
    184 #define EFI_CONNECTION_RESET      EFIERR(105)
    185 #define EFI_CONNECTION_REFUSED    EFIERR(106)
    186 ///@}
    187 
    188 //
    189 // The EFI memory allocation functions work in units of EFI_PAGEs that are
    190 // 4KB. This should in no way be confused with the page size of the processor.
    191 // An EFI_PAGE is just the quanta of memory in EFI.
    192 //
    193 #define EFI_PAGE_SIZE             SIZE_4KB
    194 #define EFI_PAGE_MASK             0xFFF
    195 #define EFI_PAGE_SHIFT            12
    196 
    197 /**
    198   Macro that converts a size, in bytes, to a number of EFI_PAGESs.
    199 
    200   @param  Size      A size in bytes.  This parameter is assumed to be type UINTN.
    201                     Passing in a parameter that is larger than UINTN may produce
    202                     unexpected results.
    203 
    204   @return  The number of EFI_PAGESs associated with the number of bytes specified
    205            by Size.
    206 
    207 **/
    208 #define EFI_SIZE_TO_PAGES(Size)  (((Size) >> EFI_PAGE_SHIFT) + (((Size) & EFI_PAGE_MASK) ? 1 : 0))
    209 
    210 /**
    211   Macro that converts a number of EFI_PAGEs to a size in bytes.
    212 
    213   @param  Pages     The number of EFI_PAGES.  This parameter is assumed to be
    214                     type UINTN.  Passing in a parameter that is larger than
    215                     UINTN may produce unexpected results.
    216 
    217   @return  The number of bytes associated with the number of EFI_PAGEs specified
    218            by Pages.
    219 
    220 **/
    221 #define EFI_PAGES_TO_SIZE(Pages)  ((Pages) << EFI_PAGE_SHIFT)
    222 
    223 ///
    224 /// PE32+ Machine type for IA32 UEFI images.
    225 ///
    226 #define EFI_IMAGE_MACHINE_IA32            0x014C
    227 
    228 ///
    229 /// PE32+ Machine type for IA64 UEFI images.
    230 ///
    231 #define EFI_IMAGE_MACHINE_IA64            0x0200
    232 
    233 ///
    234 /// PE32+ Machine type for EBC UEFI images.
    235 ///
    236 #define EFI_IMAGE_MACHINE_EBC             0x0EBC
    237 
    238 ///
    239 /// PE32+ Machine type for X64 UEFI images.
    240 ///
    241 #define EFI_IMAGE_MACHINE_X64             0x8664
    242 
    243 ///
    244 /// PE32+ Machine type for ARM mixed ARM and Thumb/Thumb2 images.
    245 ///
    246 #define EFI_IMAGE_MACHINE_ARMTHUMB_MIXED  0x01C2
    247 
    248 ///
    249 /// PE32+ Machine type for AARCH64 A64 images.
    250 ///
    251 #define EFI_IMAGE_MACHINE_AARCH64  0xAA64
    252 
    253 
    254 #if   defined (MDE_CPU_IA32)
    255 
    256 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
    257   (((Machine) == EFI_IMAGE_MACHINE_IA32) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
    258 
    259 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_X64)
    260 
    261 #elif defined (MDE_CPU_IPF)
    262 
    263 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
    264   (((Machine) == EFI_IMAGE_MACHINE_IA64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
    265 
    266 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
    267 
    268 #elif defined (MDE_CPU_X64)
    269 
    270 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
    271   (((Machine) == EFI_IMAGE_MACHINE_X64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
    272 
    273 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_IA32)
    274 
    275 #elif defined (MDE_CPU_ARM)
    276 
    277 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
    278   (((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
    279 
    280 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_ARMTHUMB_MIXED)
    281 
    282 #elif defined (MDE_CPU_AARCH64)
    283 
    284 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) \
    285   (((Machine) == EFI_IMAGE_MACHINE_AARCH64) || ((Machine) == EFI_IMAGE_MACHINE_EBC))
    286 
    287 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
    288 
    289 #elif defined (MDE_CPU_EBC)
    290 
    291 ///
    292 /// This is just to make sure you can cross compile with the EBC compiler.
    293 /// It does not make sense to have a PE loader coded in EBC.
    294 ///
    295 #define EFI_IMAGE_MACHINE_TYPE_SUPPORTED(Machine) ((Machine) == EFI_IMAGE_MACHINE_EBC)
    296 
    297 #define EFI_IMAGE_MACHINE_CROSS_TYPE_SUPPORTED(Machine) (FALSE)
    298 
    299 #else
    300 #error Unknown Processor Type
    301 #endif
    302 
    303 #endif
    304