391 lines
13 KiB
C
391 lines
13 KiB
C
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/*++
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Copyright (c) 1998 Intel Corporation
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Module Name:
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efefind.h
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Abstract:
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EFI to compile bindings
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Revision History
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--*/
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#ifndef X86_64_EFI_BIND
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#define X86_64_EFI_BIND
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#ifndef __GNUC__
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#pragma pack()
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#endif
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#if defined(GNU_EFI_USE_MS_ABI)
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#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)))||(defined(__clang__) && (__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 2)))
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#define HAVE_USE_MS_ABI 1
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#else
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#error Compiler is too old for GNU_EFI_USE_MS_ABI
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#endif
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#endif
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//
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// Basic int types of various widths
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//
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#if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L )
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// No ANSI C 1999/2000 stdint.h integer width declarations
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#if defined(_MSC_EXTENSIONS)
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// Use Microsoft C compiler integer width declarations
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typedef unsigned __int64 uint64_t;
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typedef __int64 int64_t;
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typedef unsigned __int32 uint32_t;
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typedef __int32 int32_t;
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typedef unsigned short uint16_t;
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typedef short int16_t;
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typedef unsigned char uint8_t;
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typedef char int8_t;
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#elif defined(__GNUC__)
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typedef int __attribute__((__mode__(__DI__))) int64_t;
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typedef unsigned int __attribute__((__mode__(__DI__))) uint64_t;
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typedef unsigned int uint32_t;
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typedef int int32_t;
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typedef unsigned short uint16_t;
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typedef short int16_t;
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typedef unsigned char uint8_t;
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typedef signed char int8_t;
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#elif defined(UNIX_LP64)
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/* Use LP64 programming model from C_FLAGS for integer width declarations */
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typedef unsigned long uint64_t;
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typedef long int64_t;
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typedef unsigned int uint32_t;
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typedef int int32_t;
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typedef unsigned short uint16_t;
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typedef short int16_t;
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typedef unsigned char uint8_t;
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typedef char int8_t;
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#else
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/* Assume P64 programming model from C_FLAGS for integer width declarations */
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typedef unsigned long long uint64_t __attribute__((aligned (8)));
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typedef long long int64_t __attribute__((aligned (8)));
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typedef unsigned int uint32_t;
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typedef int int32_t;
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typedef unsigned short uint16_t;
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typedef short int16_t;
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typedef unsigned char uint8_t;
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typedef char int8_t;
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#endif
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#elif defined(__GNUC__)
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#include <stdint.h>
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#endif
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//
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// Basic EFI types of various widths
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//
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#ifndef __WCHAR_TYPE__
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# define __WCHAR_TYPE__ short
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#endif
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typedef uint64_t UINT64;
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typedef int64_t INT64;
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#ifndef _BASETSD_H_
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typedef uint32_t UINT32;
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typedef int32_t INT32;
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#endif
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typedef uint16_t UINT16;
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typedef int16_t INT16;
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typedef uint8_t UINT8;
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typedef int8_t INT8;
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typedef __WCHAR_TYPE__ WCHAR;
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#undef VOID
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#define VOID void
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typedef int64_t INTN;
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typedef uint64_t UINTN;
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#ifdef EFI_NT_EMULATOR
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#define POST_CODE(_Data)
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#else
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#ifdef EFI_DEBUG
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#define POST_CODE(_Data) __asm mov eax,(_Data) __asm out 0x80,al
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#else
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#define POST_CODE(_Data)
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#endif
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#endif
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#define EFIERR(a) (0x8000000000000000 | a)
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#define EFI_ERROR_MASK 0x8000000000000000
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#define EFIERR_OEM(a) (0xc000000000000000 | a)
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#define BAD_POINTER 0xFBFBFBFBFBFBFBFB
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#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFF
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#ifdef EFI_NT_EMULATOR
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#define BREAKPOINT() __asm { int 3 }
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#else
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#define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32
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#endif
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//
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// Pointers must be aligned to these address to function
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//
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#define MIN_ALIGNMENT_SIZE 4
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#define ALIGN_VARIABLE(Value ,Adjustment) \
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(UINTN)Adjustment = 0; \
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if((UINTN)Value % MIN_ALIGNMENT_SIZE) \
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(UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \
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Value = (UINTN)Value + (UINTN)Adjustment
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//
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// Define macros to build data structure signatures from characters.
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//
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#define EFI_SIGNATURE_16(A,B) ((A) | (B<<8))
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#define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16))
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#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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//
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// To export & import functions in the EFI emulator environment
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//
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#ifdef EFI_NT_EMULATOR
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#define EXPORTAPI __declspec( dllexport )
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#else
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#define EXPORTAPI
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#endif
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//
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// EFIAPI - prototype calling convention for EFI function pointers
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// BOOTSERVICE - prototype for implementation of a boot service interface
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// RUNTIMESERVICE - prototype for implementation of a runtime service interface
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// RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service
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// RUNTIME_CODE - pragma macro for declaring runtime code
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//
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#ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options
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#ifdef _MSC_EXTENSIONS
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#define EFIAPI __cdecl // Force C calling convention for Microsoft C compiler
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#elif defined(HAVE_USE_MS_ABI)
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// Force amd64/ms calling conventions.
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#define EFIAPI __attribute__((ms_abi))
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#else
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#define EFIAPI // Substitute expresion to force C calling convention
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#endif
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#endif
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#define BOOTSERVICE
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//#define RUNTIMESERVICE(proto,a) alloc_text("rtcode",a); proto a
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//#define RUNTIMEFUNCTION(proto,a) alloc_text("rtcode",a); proto a
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#define RUNTIMESERVICE
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#define RUNTIMEFUNCTION
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#define RUNTIME_CODE(a) alloc_text("rtcode", a)
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#define BEGIN_RUNTIME_DATA() data_seg("rtdata")
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#define END_RUNTIME_DATA() data_seg("")
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#define VOLATILE volatile
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#define MEMORY_FENCE()
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#ifdef EFI_NT_EMULATOR
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//
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// To help ensure proper coding of integrated drivers, they are
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// compiled as DLLs. In NT they require a dll init entry pointer.
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// The macro puts a stub entry point into the DLL so it will load.
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//
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#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
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UINTN \
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__stdcall \
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_DllMainCRTStartup ( \
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UINTN Inst, \
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UINTN reason_for_call, \
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VOID *rserved \
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) \
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{ \
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return 1; \
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} \
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\
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int \
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EXPORTAPI \
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__cdecl \
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InitializeDriver ( \
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void *ImageHandle, \
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void *SystemTable \
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) \
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{ \
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return InitFunction(ImageHandle, SystemTable); \
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}
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#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
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(_if)->LoadInternal(type, name, NULL)
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#else // EFI_NT_EMULATOR
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//
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// When build similiar to FW, then link everything together as
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// one big module. For the MSVC toolchain, we simply tell the
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// linker what our driver init function is using /ENTRY.
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//
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#if defined(_MSC_EXTENSIONS)
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#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
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__pragma(comment(linker, "/ENTRY:" # InitFunction))
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#else
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#define EFI_DRIVER_ENTRY_POINT(InitFunction) \
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UINTN \
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InitializeDriver ( \
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VOID *ImageHandle, \
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VOID *SystemTable \
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) \
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{ \
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return InitFunction(ImageHandle, \
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SystemTable); \
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} \
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\
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EFI_STATUS efi_main( \
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EFI_HANDLE image, \
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EFI_SYSTEM_TABLE *systab \
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) __attribute__((weak, \
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alias ("InitializeDriver")));
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#endif
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#define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \
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(_if)->LoadInternal(type, name, entry)
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#endif // EFI_NT_EMULATOR
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//
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// Some compilers don't support the forward reference construct:
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// typedef struct XXXXX
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//
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// The following macro provide a workaround for such cases.
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//
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#ifdef NO_INTERFACE_DECL
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#define INTERFACE_DECL(x)
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#else
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#if defined(__GNUC__) || defined(_MSC_EXTENSIONS)
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#define INTERFACE_DECL(x) struct x
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#else
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#define INTERFACE_DECL(x) typedef struct x
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#endif
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#endif
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/* for x86_64, EFI_FUNCTION_WRAPPER must be defined */
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#if defined(HAVE_USE_MS_ABI)
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#define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__)
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#else
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/*
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Credits for macro-magic:
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https://groups.google.com/forum/?fromgroups#!topic/comp.std.c/d-6Mj5Lko_s
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http://efesx.com/2010/08/31/overloading-macros/
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*/
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#define __VA_NARG__(...) \
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__VA_NARG_(_0, ## __VA_ARGS__, __RSEQ_N())
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#define __VA_NARG_(...) \
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__VA_ARG_N(__VA_ARGS__)
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#define __VA_ARG_N( \
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_0,_1,_2,_3,_4,_5,_6,_7,_8,_9,_10,N,...) N
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#define __RSEQ_N() \
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10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
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#define __VA_ARG_NSUFFIX__(prefix,...) \
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__VA_ARG_NSUFFIX_N(prefix, __VA_NARG__(__VA_ARGS__))
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#define __VA_ARG_NSUFFIX_N(prefix,nargs) \
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__VA_ARG_NSUFFIX_N_(prefix, nargs)
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#define __VA_ARG_NSUFFIX_N_(prefix,nargs) \
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prefix ## nargs
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/* Prototypes of EFI cdecl -> stdcall trampolines */
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UINT64 efi_call0(void *func);
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UINT64 efi_call1(void *func, UINT64 arg1);
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UINT64 efi_call2(void *func, UINT64 arg1, UINT64 arg2);
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UINT64 efi_call3(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3);
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UINT64 efi_call4(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4);
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UINT64 efi_call5(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4, UINT64 arg5);
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UINT64 efi_call6(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4, UINT64 arg5, UINT64 arg6);
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UINT64 efi_call7(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7);
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UINT64 efi_call8(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
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UINT64 arg8);
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UINT64 efi_call9(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
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UINT64 arg8, UINT64 arg9);
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UINT64 efi_call10(void *func, UINT64 arg1, UINT64 arg2, UINT64 arg3,
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UINT64 arg4, UINT64 arg5, UINT64 arg6, UINT64 arg7,
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UINT64 arg8, UINT64 arg9, UINT64 arg10);
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/* Front-ends to efi_callX to avoid compiler warnings */
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#define _cast64_efi_call0(f) \
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efi_call0(f)
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#define _cast64_efi_call1(f,a1) \
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efi_call1(f, (UINT64)(a1))
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#define _cast64_efi_call2(f,a1,a2) \
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efi_call2(f, (UINT64)(a1), (UINT64)(a2))
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#define _cast64_efi_call3(f,a1,a2,a3) \
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efi_call3(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3))
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#define _cast64_efi_call4(f,a1,a2,a3,a4) \
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efi_call4(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4))
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#define _cast64_efi_call5(f,a1,a2,a3,a4,a5) \
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efi_call5(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
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(UINT64)(a5))
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#define _cast64_efi_call6(f,a1,a2,a3,a4,a5,a6) \
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efi_call6(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
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(UINT64)(a5), (UINT64)(a6))
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#define _cast64_efi_call7(f,a1,a2,a3,a4,a5,a6,a7) \
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efi_call7(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
|
||
|
|
(UINT64)(a5), (UINT64)(a6), (UINT64)(a7))
|
||
|
|
#define _cast64_efi_call8(f,a1,a2,a3,a4,a5,a6,a7,a8) \
|
||
|
|
efi_call8(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
|
||
|
|
(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8))
|
||
|
|
#define _cast64_efi_call9(f,a1,a2,a3,a4,a5,a6,a7,a8,a9) \
|
||
|
|
efi_call9(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
|
||
|
|
(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
|
||
|
|
(UINT64)(a9))
|
||
|
|
#define _cast64_efi_call10(f,a1,a2,a3,a4,a5,a6,a7,a8,a9,a10) \
|
||
|
|
efi_call10(f, (UINT64)(a1), (UINT64)(a2), (UINT64)(a3), (UINT64)(a4), \
|
||
|
|
(UINT64)(a5), (UINT64)(a6), (UINT64)(a7), (UINT64)(a8), \
|
||
|
|
(UINT64)(a9), (UINT64)(a10))
|
||
|
|
|
||
|
|
/* main wrapper (va_num ignored) */
|
||
|
|
#define uefi_call_wrapper(func,va_num,...) \
|
||
|
|
__VA_ARG_NSUFFIX__(_cast64_efi_call, __VA_ARGS__) (func , ##__VA_ARGS__)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(HAVE_USE_MS_ABI) && !defined(_MSC_EXTENSIONS)
|
||
|
|
#define EFI_FUNCTION __attribute__((ms_abi))
|
||
|
|
#else
|
||
|
|
#define EFI_FUNCTION
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef _MSC_EXTENSIONS
|
||
|
|
#pragma warning ( disable : 4731 ) // Suppress warnings about modification of EBP
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|