1 /* $NetBSD: efibind.h,v 1.2 2014/04/01 16:22:45 jakllsch Exp $ */ 2 3 /*++ 4 5 Copyright (c) 1998 Intel Corporation 6 7 Module Name: 8 9 efefind.h 10 11 Abstract: 12 13 EFI to compile bindings 14 15 16 17 18 Revision History 19 20 --*/ 21 22 #ifndef __GNUC__ 23 #pragma pack() 24 #endif 25 26 // 27 // Basic int types of various widths 28 // 29 30 #if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) 31 32 // No ANSI C 1999/2000 stdint.h integer width declarations 33 34 #if defined(_MSC_EXTENSIONS) 35 36 // Use Microsoft C compiler integer width declarations 37 38 typedef unsigned __int64 uint64_t; 39 typedef __int64 int64_t; 40 typedef unsigned __int32 uint32_t; 41 typedef __int32 int32_t; 42 typedef unsigned short uint16_t; 43 typedef short int16_t; 44 typedef unsigned char uint8_t; 45 typedef char int8_t; 46 #elif defined(__GNUC__) 47 typedef int __attribute__((__mode__(__DI__))) int64_t; 48 typedef unsigned int __attribute__((__mode__(__DI__))) uint64_t; 49 typedef unsigned int uint32_t; 50 typedef int int32_t; 51 typedef unsigned short uint16_t; 52 typedef short int16_t; 53 typedef unsigned char uint8_t; 54 typedef signed char int8_t; 55 #elif defined(UNIX_LP64) 56 57 /* Use LP64 programming model from C_FLAGS for integer width declarations */ 58 59 typedef unsigned long uint64_t; 60 typedef long int64_t; 61 typedef unsigned int uint32_t; 62 typedef int int32_t; 63 typedef unsigned short uint16_t; 64 typedef short int16_t; 65 typedef unsigned char uint8_t; 66 typedef char int8_t; 67 #else 68 69 /* Assume P64 programming model from C_FLAGS for integer width declarations */ 70 71 typedef unsigned long long uint64_t __attribute__((aligned (8))); 72 typedef long long int64_t __attribute__((aligned (8))); 73 typedef unsigned int uint32_t; 74 typedef int int32_t; 75 typedef unsigned short uint16_t; 76 typedef short int16_t; 77 typedef unsigned char uint8_t; 78 typedef char int8_t; 79 #endif 80 #elif defined(__NetBSD__) 81 #include <sys/stdint.h> 82 #elif defined(__GNUC__) 83 #include <stdint.h> 84 #endif 85 86 // 87 // Basic EFI types of various widths 88 // 89 90 #ifndef __WCHAR_TYPE__ 91 # define __WCHAR_TYPE__ short 92 #endif 93 94 typedef uint64_t UINT64; 95 typedef int64_t INT64; 96 97 #ifndef _BASETSD_H_ 98 typedef uint32_t UINT32; 99 typedef int32_t INT32; 100 #endif 101 102 typedef uint16_t UINT16; 103 typedef int16_t INT16; 104 typedef uint8_t UINT8; 105 typedef int8_t INT8; 106 typedef __WCHAR_TYPE__ WCHAR; 107 108 #undef VOID 109 #define VOID void 110 111 112 typedef int32_t INTN; 113 typedef uint32_t UINTN; 114 115 #ifdef EFI_NT_EMULATOR 116 #define POST_CODE(_Data) 117 #else 118 #ifdef EFI_DEBUG 119 #define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al 120 #else 121 #define POST_CODE(_Data) 122 #endif 123 #endif 124 125 #define EFIERR(a) (0x80000000 | a) 126 #define EFI_ERROR_MASK 0x80000000 127 #define EFIERR_OEM(a) (0xc0000000 | a) 128 129 130 #define BAD_POINTER 0xFBFBFBFB 131 #define MAX_ADDRESS 0xFFFFFFFF 132 133 #ifdef EFI_NT_EMULATOR 134 #define BREAKPOINT() __asm { int 3 } 135 #else 136 #define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32 137 #endif 138 139 // 140 // Pointers must be aligned to these address to function 141 // 142 143 #define MIN_ALIGNMENT_SIZE 4 144 145 #define ALIGN_VARIABLE(Value ,Adjustment) \ 146 (UINTN)Adjustment = 0; \ 147 if((UINTN)Value % MIN_ALIGNMENT_SIZE) \ 148 (UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \ 149 Value = (UINTN)Value + (UINTN)Adjustment 150 151 152 // 153 // Define macros to build data structure signatures from characters. 154 // 155 156 #define EFI_SIGNATURE_16(A,B) ((A) | (B<<8)) 157 #define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16)) 158 #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)) 159 // 160 // To export & import functions in the EFI emulator environment 161 // 162 163 #ifdef EFI_NT_EMULATOR 164 #define EXPORTAPI __declspec( dllexport ) 165 #else 166 #define EXPORTAPI 167 #endif 168 169 170 // 171 // EFIAPI - prototype calling convention for EFI function pointers 172 // BOOTSERVICE - prototype for implementation of a boot service interface 173 // RUNTIMESERVICE - prototype for implementation of a runtime service interface 174 // RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service 175 // RUNTIME_CODE - pragma macro for declaring runtime code 176 // 177 178 #ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options 179 #ifdef _MSC_EXTENSIONS 180 #define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler 181 #else 182 #define EFIAPI // Substitute expresion to force C calling convention 183 #endif 184 #endif 185 186 #define BOOTSERVICE 187 //#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a 188 //#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a 189 #define RUNTIMESERVICE 190 #define RUNTIMEFUNCTION 191 192 193 #define RUNTIME_CODE(a) alloc_text("rtcode", a) 194 #define BEGIN_RUNTIME_DATA() data_seg("rtdata") 195 #define END_RUNTIME_DATA() data_seg("") 196 197 #define VOLATILE volatile 198 199 #define MEMORY_FENCE() 200 201 #ifdef EFI_NT_EMULATOR 202 203 // 204 // To help ensure proper coding of integrated drivers, they are 205 // compiled as DLLs. In NT they require a dll init entry pointer. 206 // The macro puts a stub entry point into the DLL so it will load. 207 // 208 209 #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ 210 UINTN \ 211 __stdcall \ 212 _DllMainCRTStartup ( \ 213 UINTN Inst, \ 214 UINTN reason_for_call, \ 215 VOID *rserved \ 216 ) \ 217 { \ 218 return 1; \ 219 } \ 220 \ 221 int \ 222 EXPORTAPI \ 223 __cdecl \ 224 InitializeDriver ( \ 225 void *ImageHandle, \ 226 void *SystemTable \ 227 ) \ 228 { \ 229 return InitFunction(ImageHandle, SystemTable); \ 230 } 231 232 233 #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ 234 (_if)->LoadInternal(type, name, NULL) 235 236 #else // EFI_NT_EMULATOR 237 238 // 239 // When build similiar to FW, then link everything together as 240 // one big module. 241 // 242 243 #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ 244 UINTN \ 245 InitializeDriver ( \ 246 VOID *ImageHandle, \ 247 VOID *SystemTable \ 248 ) \ 249 { \ 250 return InitFunction(ImageHandle, \ 251 SystemTable); \ 252 } \ 253 \ 254 EFI_STATUS efi_main( \ 255 EFI_HANDLE image, \ 256 EFI_SYSTEM_TABLE *systab \ 257 ) __attribute__((weak, \ 258 alias ("InitializeDriver"))); 259 260 #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ 261 (_if)->LoadInternal(type, name, entry) 262 263 #endif // EFI_FW_NT 264 265 // 266 // Some compilers don't support the forward reference construct: 267 // typedef struct XXXXX 268 // 269 // The following macro provide a workaround for such cases. 270 // 271 #ifdef NO_INTERFACE_DECL 272 #define INTERFACE_DECL(x) 273 #else 274 #ifdef __GNUC__ 275 #define INTERFACE_DECL(x) struct x 276 #else 277 #define INTERFACE_DECL(x) typedef struct x 278 #endif 279 #endif 280 281 /* No efi call wrapper for IA32 architecture */ 282 #define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__) 283 #define EFI_FUNCTION 284 285 #ifdef _MSC_EXTENSIONS 286 #pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP 287 #endif 288 289