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  1. /*++
  2.  
  3. Copyright (c) 1998  Intel Corporation
  4.  
  5. Module Name:
  6.  
  7.     efefind.h
  8.  
  9. Abstract:
  10.  
  11.     EFI to compile bindings
  12.  
  13.  
  14.  
  15.  
  16. Revision History
  17.  
  18. --*/
  19.  
  20. #pragma pack()
  21.  
  22.  
  23. //
  24. // Basic int types of various widths
  25. //
  26.  
  27. #if (__STDC_VERSION__ < 199901L )
  28.  
  29.     // No ANSI C 1999/2000 stdint.h integer width declarations
  30.  
  31.     #if _MSC_EXTENSIONS
  32.  
  33.         // Use Microsoft C compiler integer width declarations
  34.  
  35.         typedef unsigned __int64    uint64_t;
  36.         typedef __int64             int64_t;
  37.         typedef unsigned __int32    uint32_t;
  38.         typedef __int32             int32_t;
  39.         typedef unsigned __int16    uint16_t;
  40.         typedef __int16             int16_t;
  41.         typedef unsigned __int8     uint8_t;
  42.         typedef __int8              int8_t;
  43.     #else            
  44.         #ifdef UNIX_LP64
  45.  
  46.             // Use LP64 programming model from C_FLAGS for integer width declarations
  47.  
  48.             typedef unsigned long       uint64_t;
  49.             typedef long                int64_t;
  50.             typedef unsigned int        uint32_t;
  51.             typedef int                 int32_t;
  52.             typedef unsigned short      uint16_t;
  53.             typedef short               int16_t;
  54.             typedef unsigned char       uint8_t;
  55.             typedef char                int8_t;
  56.         #else
  57.  
  58.             // Assume P64 programming model from C_FLAGS for integer width declarations
  59.  
  60.             typedef unsigned long long  uint64_t;
  61.             typedef long long           int64_t;
  62.             typedef unsigned int        uint32_t;
  63.             typedef int                 int32_t;
  64.             typedef unsigned short      uint16_t;
  65.             typedef short               int16_t;
  66.             typedef unsigned char       uint8_t;
  67.             typedef char                int8_t;
  68.         #endif
  69.     #endif
  70. #endif
  71.  
  72. //
  73. // Basic EFI types of various widths
  74. //
  75. #ifndef __WCHAR_TYPE__
  76. # define __WCHAR_TYPE__ short
  77. #endif
  78.  
  79.  
  80. typedef uint64_t   UINT64;
  81. typedef int64_t    INT64;
  82. typedef uint32_t   UINT32;
  83. typedef int32_t    INT32;
  84. typedef uint16_t   UINT16;
  85. typedef int16_t    INT16;
  86. typedef uint8_t    UINT8;
  87. typedef int8_t     INT8;
  88. typedef __WCHAR_TYPE__ WCHAR;
  89.  
  90.  
  91. #undef VOID
  92. #define VOID    void
  93.  
  94.  
  95. typedef int64_t    INTN;
  96. typedef uint64_t   UINTN;
  97.  
  98. //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  99. // BugBug: Code to debug
  100. //
  101. #define BIT63   0x8000000000000000
  102.  
  103. #define PLATFORM_IOBASE_ADDRESS   (0xffffc000000 | BIT63)                                              
  104. #define PORT_TO_MEMD(_Port) (PLATFORM_IOBASE_ADDRESS | ( ( ( (_Port) & 0xfffc) << 10 ) | ( (_Port) & 0x0fff) ) )
  105.                                                                            
  106. //                                                                  
  107. // Macro's with casts make this much easier to use and read.
  108. //
  109. #define PORT_TO_MEM8D(_Port)  (*(UINT8  *)(PORT_TO_MEMD(_Port)))
  110. #define POST_CODE(_Data)  (PORT_TO_MEM8D(0x80) = (_Data))
  111. //
  112. // BugBug: End Debug Code!!!
  113. //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  114.  
  115. #define EFIERR(a)           (0x8000000000000000 | a)
  116. #define EFI_ERROR_MASK      0x8000000000000000
  117. #define EFIERR_OEM(a)       (0xc000000000000000 | a)      
  118.  
  119. #define BAD_POINTER         0xFBFBFBFBFBFBFBFB
  120. #define MAX_ADDRESS         0xFFFFFFFFFFFFFFFF
  121.  
  122. #define BREAKPOINT()        while (TRUE)
  123.  
  124. //
  125. // Pointers must be aligned to these address to function
  126. //  you will get an alignment fault if this value is less than 8
  127. //
  128. #define MIN_ALIGNMENT_SIZE  8
  129.  
  130. #define ALIGN_VARIABLE(Value , Adjustment) \
  131.             (UINTN) Adjustment = 0; \
  132.             if((UINTN)Value % MIN_ALIGNMENT_SIZE) \
  133.                 (UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \
  134.             Value = (UINTN)Value + (UINTN)Adjustment
  135.  
  136. //
  137. // Define macros to create data structure signatures.
  138. //
  139.  
  140. #define EFI_SIGNATURE_16(A,B)             ((A) | (B<<8))
  141. #define EFI_SIGNATURE_32(A,B,C,D)         (EFI_SIGNATURE_16(A,B)     | (EFI_SIGNATURE_16(C,D)     << 16))
  142. #define EFI_SIGNATURE_64(A,B,C,D,E,F,G,H) (EFI_SIGNATURE_32(A,B,C,D) | ((UINT64)(EFI_SIGNATURE_32(E,F,G,H)) << 32))
  143. //
  144. // To export & import functions in the EFI emulator environment
  145. //
  146.  
  147.     #define EXPORTAPI
  148.  
  149. //
  150. // EFIAPI - prototype calling convention for EFI function pointers
  151. // BOOTSERVICE - prototype for implementation of a boot service interface
  152. // RUNTIMESERVICE - prototype for implementation of a runtime service interface
  153. // RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service
  154. // RUNTIME_CODE - pragma macro for declaring runtime code    
  155. //
  156.  
  157. #ifndef EFIAPI                  // Forces EFI calling conventions reguardless of compiler options
  158.     #if _MSC_EXTENSIONS
  159.         #define EFIAPI __cdecl  // Force C calling convention for Microsoft C compiler
  160.     #else
  161.         #define EFIAPI          // Substitute expresion to force C calling convention
  162.     #endif
  163. #endif
  164.  
  165. #define BOOTSERVICE
  166. #define RUNTIMESERVICE
  167. #define RUNTIMEFUNCTION
  168.  
  169. #define RUNTIME_CODE(a)         alloc_text("rtcode", a)
  170. #define BEGIN_RUNTIME_DATA()    data_seg("rtdata")
  171. #define END_RUNTIME_DATA()      data_seg("")
  172.  
  173. #define VOLATILE    volatile
  174.  
  175. //
  176. // BugBug: Need to find out if this is portable accross compliers.
  177. //
  178. #ifdef __GNUC__
  179. #define MEMORY_FENCE()    __asm__ __volatile__ ("mf.a" ::: "memory")
  180. #else
  181. void __mf (void);                      
  182. #pragma intrinsic (__mf)  
  183. #define MEMORY_FENCE()    __mf()
  184. #endif
  185. //
  186. // When build similiar to FW, then link everything together as
  187. // one big module.
  188. //
  189.  
  190. #define EFI_DRIVER_ENTRY_POINT(InitFunction)
  191.  
  192. #define LOAD_INTERNAL_DRIVER(_if, type, name, entry)    \
  193.         (_if)->LoadInternal(type, name, entry)
  194.  
  195. //
  196. // Some compilers don't support the forward reference construct:
  197. //  typedef struct XXXXX
  198. //
  199. // The following macro provide a workaround for such cases.
  200. //
  201. #ifdef NO_INTERFACE_DECL
  202. #define INTERFACE_DECL(x)
  203. #else
  204. #ifdef __GNUC__
  205. #define INTERFACE_DECL(x) struct x
  206. #else
  207. #define INTERFACE_DECL(x) typedef struct x
  208. #endif
  209. #endif
  210.