[e16e8f2] | 1 | /*++ |
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| 2 | |
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| 3 | Copyright (c) 1998 Intel Corporation |
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| 4 | |
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| 5 | Module Name: |
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| 6 | |
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| 7 | efefind.h |
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| 8 | |
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| 9 | Abstract: |
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| 10 | |
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| 11 | EFI to compile bindings |
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| 12 | |
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| 13 | |
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| 14 | |
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| 15 | |
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| 16 | Revision History |
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| 17 | |
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| 18 | --*/ |
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| 19 | |
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| 20 | #ifndef __GNUC__ |
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| 21 | #pragma pack() |
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| 22 | #endif |
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| 23 | |
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| 24 | // |
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| 25 | // Basic int types of various widths |
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| 26 | // |
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| 27 | |
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| 28 | #if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) |
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| 29 | |
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| 30 | // No ANSI C 1999/2000 stdint.h integer width declarations |
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| 31 | |
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| 32 | #if defined(_MSC_EXTENSIONS) |
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| 33 | |
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| 34 | // Use Microsoft C compiler integer width declarations |
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| 35 | |
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| 36 | typedef unsigned __int64 uint64_t; |
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| 37 | typedef __int64 int64_t; |
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| 38 | typedef unsigned __int32 uint32_t; |
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| 39 | typedef __int32 int32_t; |
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| 40 | typedef unsigned short uint16_t; |
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| 41 | typedef short int16_t; |
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| 42 | typedef unsigned char uint8_t; |
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| 43 | typedef char int8_t; |
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| 44 | #elif defined(__GNUC__) |
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| 45 | typedef int __attribute__((__mode__(__DI__))) int64_t; |
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| 46 | typedef unsigned int __attribute__((__mode__(__DI__))) uint64_t; |
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| 47 | typedef unsigned int uint32_t; |
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| 48 | typedef int int32_t; |
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| 49 | typedef unsigned short uint16_t; |
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| 50 | typedef short int16_t; |
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| 51 | typedef unsigned char uint8_t; |
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| 52 | typedef signed char int8_t; |
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| 53 | #elif defined(UNIX_LP64) |
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| 54 | |
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| 55 | /* Use LP64 programming model from C_FLAGS for integer width declarations */ |
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| 56 | |
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| 57 | typedef unsigned long uint64_t; |
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| 58 | typedef long int64_t; |
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| 59 | typedef unsigned int uint32_t; |
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| 60 | typedef int int32_t; |
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| 61 | typedef unsigned short uint16_t; |
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| 62 | typedef short int16_t; |
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| 63 | typedef unsigned char uint8_t; |
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| 64 | typedef char int8_t; |
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| 65 | #else |
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| 66 | |
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| 67 | /* Assume P64 programming model from C_FLAGS for integer width declarations */ |
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| 68 | |
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| 69 | typedef unsigned long long uint64_t __attribute__((aligned (8))); |
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| 70 | typedef long long int64_t __attribute__((aligned (8))); |
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| 71 | typedef unsigned int uint32_t; |
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| 72 | typedef int int32_t; |
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| 73 | typedef unsigned short uint16_t; |
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| 74 | typedef short int16_t; |
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| 75 | typedef unsigned char uint8_t; |
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| 76 | typedef char int8_t; |
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| 77 | #endif |
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| 78 | #elif defined(__GNUC__) |
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| 79 | #include <stdint.h> |
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| 80 | #endif |
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| 81 | |
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| 82 | // |
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| 83 | // Basic EFI types of various widths |
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| 84 | // |
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| 85 | |
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| 86 | #ifndef __WCHAR_TYPE__ |
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| 87 | # define __WCHAR_TYPE__ short |
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| 88 | #endif |
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| 89 | |
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| 90 | typedef uint64_t UINT64; |
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| 91 | typedef int64_t INT64; |
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| 92 | |
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| 93 | #ifndef _BASETSD_H_ |
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| 94 | typedef uint32_t UINT32; |
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| 95 | typedef int32_t INT32; |
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| 96 | #endif |
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| 97 | |
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| 98 | typedef uint16_t UINT16; |
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| 99 | typedef int16_t INT16; |
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| 100 | typedef uint8_t UINT8; |
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| 101 | typedef int8_t INT8; |
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| 102 | typedef __WCHAR_TYPE__ WCHAR; |
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| 103 | |
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| 104 | #undef VOID |
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| 105 | #define VOID void |
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| 106 | |
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| 107 | |
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| 108 | typedef int32_t INTN; |
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| 109 | typedef uint32_t UINTN; |
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| 110 | |
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| 111 | #ifdef EFI_NT_EMULATOR |
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| 112 | #define POST_CODE(_Data) |
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| 113 | #else |
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| 114 | #ifdef EFI_DEBUG |
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| 115 | #define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al |
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| 116 | #else |
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| 117 | #define POST_CODE(_Data) |
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| 118 | #endif |
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| 119 | #endif |
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| 120 | |
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| 121 | #define EFIERR(a) (0x80000000 | a) |
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| 122 | #define EFI_ERROR_MASK 0x80000000 |
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| 123 | #define EFIERR_OEM(a) (0xc0000000 | a) |
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| 124 | |
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| 125 | |
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| 126 | #define BAD_POINTER 0xFBFBFBFB |
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| 127 | #define MAX_ADDRESS 0xFFFFFFFF |
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| 128 | |
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| 129 | #ifdef EFI_NT_EMULATOR |
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| 130 | #define BREAKPOINT() __asm { int 3 } |
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| 131 | #else |
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| 132 | #define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32 |
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| 133 | #endif |
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| 134 | |
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| 135 | // |
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| 136 | // Pointers must be aligned to these address to function |
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| 137 | // |
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| 138 | |
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| 139 | #define MIN_ALIGNMENT_SIZE 4 |
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| 140 | |
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| 141 | #define ALIGN_VARIABLE(Value ,Adjustment) \ |
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| 142 | (UINTN)Adjustment = 0; \ |
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| 143 | if((UINTN)Value % MIN_ALIGNMENT_SIZE) \ |
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| 144 | (UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \ |
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| 145 | Value = (UINTN)Value + (UINTN)Adjustment |
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| 146 | |
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| 147 | |
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| 148 | // |
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| 149 | // Define macros to build data structure signatures from characters. |
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| 150 | // |
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| 151 | |
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| 152 | #define EFI_SIGNATURE_16(A,B) ((A) | (B<<8)) |
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| 153 | #define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16)) |
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| 154 | #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)) |
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| 155 | // |
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| 156 | // To export & import functions in the EFI emulator environment |
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| 157 | // |
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| 158 | |
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| 159 | #ifdef EFI_NT_EMULATOR |
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| 160 | #define EXPORTAPI __declspec( dllexport ) |
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| 161 | #else |
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| 162 | #define EXPORTAPI |
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| 163 | #endif |
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| 164 | |
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| 165 | |
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| 166 | // |
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| 167 | // EFIAPI - prototype calling convention for EFI function pointers |
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| 168 | // BOOTSERVICE - prototype for implementation of a boot service interface |
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| 169 | // RUNTIMESERVICE - prototype for implementation of a runtime service interface |
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| 170 | // RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service |
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| 171 | // RUNTIME_CODE - pragma macro for declaring runtime code |
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| 172 | // |
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| 173 | |
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| 174 | #ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options |
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| 175 | #ifdef _MSC_EXTENSIONS |
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| 176 | #define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler |
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| 177 | #else |
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| 178 | #define EFIAPI // Substitute expresion to force C calling convention |
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| 179 | #endif |
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| 180 | #endif |
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| 181 | |
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| 182 | #define BOOTSERVICE |
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| 183 | //#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a |
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| 184 | //#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a |
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| 185 | #define RUNTIMESERVICE |
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| 186 | #define RUNTIMEFUNCTION |
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| 187 | |
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| 188 | |
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| 189 | #define RUNTIME_CODE(a) alloc_text("rtcode", a) |
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| 190 | #define BEGIN_RUNTIME_DATA() data_seg("rtdata") |
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| 191 | #define END_RUNTIME_DATA() data_seg("") |
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| 192 | |
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| 193 | #define VOLATILE volatile |
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| 194 | |
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| 195 | #define MEMORY_FENCE() |
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| 196 | |
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| 197 | #ifdef EFI_NT_EMULATOR |
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| 198 | |
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| 199 | // |
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| 200 | // To help ensure proper coding of integrated drivers, they are |
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| 201 | // compiled as DLLs. In NT they require a dll init entry pointer. |
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| 202 | // The macro puts a stub entry point into the DLL so it will load. |
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| 203 | // |
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| 204 | |
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| 205 | #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ |
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| 206 | UINTN \ |
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| 207 | __stdcall \ |
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| 208 | _DllMainCRTStartup ( \ |
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| 209 | UINTN Inst, \ |
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| 210 | UINTN reason_for_call, \ |
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| 211 | VOID *rserved \ |
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| 212 | ) \ |
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| 213 | { \ |
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| 214 | return 1; \ |
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| 215 | } \ |
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| 216 | \ |
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| 217 | int \ |
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| 218 | EXPORTAPI \ |
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| 219 | __cdecl \ |
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| 220 | InitializeDriver ( \ |
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| 221 | void *ImageHandle, \ |
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| 222 | void *SystemTable \ |
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| 223 | ) \ |
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| 224 | { \ |
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| 225 | return InitFunction(ImageHandle, SystemTable); \ |
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| 226 | } |
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| 227 | |
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| 228 | |
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| 229 | #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ |
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| 230 | (_if)->LoadInternal(type, name, NULL) |
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| 231 | |
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| 232 | #else // EFI_NT_EMULATOR |
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| 233 | |
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| 234 | // |
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| 235 | // When build similiar to FW, then link everything together as |
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| 236 | // one big module. |
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| 237 | // |
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| 238 | |
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| 239 | #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ |
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| 240 | UINTN \ |
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| 241 | InitializeDriver ( \ |
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| 242 | VOID *ImageHandle, \ |
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| 243 | VOID *SystemTable \ |
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| 244 | ) \ |
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| 245 | { \ |
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| 246 | return InitFunction(ImageHandle, \ |
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| 247 | SystemTable); \ |
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| 248 | } \ |
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| 249 | \ |
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| 250 | EFI_STATUS efi_main( \ |
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| 251 | EFI_HANDLE image, \ |
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| 252 | EFI_SYSTEM_TABLE *systab \ |
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| 253 | ) __attribute__((weak, \ |
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| 254 | alias ("InitializeDriver"))); |
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| 255 | |
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| 256 | #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ |
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| 257 | (_if)->LoadInternal(type, name, entry) |
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| 258 | |
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| 259 | #endif // EFI_FW_NT |
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| 260 | |
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| 261 | // |
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| 262 | // Some compilers don't support the forward reference construct: |
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| 263 | // typedef struct XXXXX |
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| 264 | // |
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| 265 | // The following macro provide a workaround for such cases. |
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| 266 | // |
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| 267 | #ifdef NO_INTERFACE_DECL |
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| 268 | #define INTERFACE_DECL(x) |
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| 269 | #else |
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| 270 | #ifdef __GNUC__ |
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| 271 | #define INTERFACE_DECL(x) struct x |
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| 272 | #else |
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| 273 | #define INTERFACE_DECL(x) typedef struct x |
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| 274 | #endif |
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| 275 | #endif |
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| 276 | |
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| 277 | /* No efi call wrapper for IA32 architecture */ |
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| 278 | #define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__) |
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| 279 | #define EFI_FUNCTION |
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| 280 | |
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| 281 | #ifdef _MSC_EXTENSIONS |
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| 282 | #pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP |
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| 283 | #endif |
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| 284 | |
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