/* $NetBSD: efibind.h,v 1.2 2018/08/18 20:17:51 jmcneill Exp $ */ /* * Copright (C) 2014 - 2015 Linaro Ltd. * Author: Ard Biesheuvel <ard.biesheuvel@linaro.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice and this list of conditions, without modification. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the * GNU General Public License as published by the Free Software Foundation; * either version 2 of the License, or (at your option) any later version. */ #if !defined(_MSC_VER) && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L )) // ANSI C 1999/2000 stdint.h integer width declarations typedef unsigned long long uint64_t; typedef long long int64_t; typedef unsigned int uint32_t; typedef int int32_t; typedef unsigned short uint16_t; typedef short int16_t; typedef unsigned char uint8_t; typedef signed char int8_t; // unqualified 'char' is unsigned on ARM #elif defined(__NetBSD__) #include <sys/stdint.h> #else #include <stdint.h> #endif /* * This prevents GCC from emitting GOT based relocations, and use R_ARM_REL32 * relative relocations instead, which are more suitable for static binaries. */ #ifdef __GNUC__ #pragma GCC visibility push (hidden) #endif // // Basic EFI types of various widths // #ifndef __WCHAR_TYPE__ # define __WCHAR_TYPE__ short #endif typedef uint64_t UINT64; typedef int64_t INT64; typedef uint32_t UINT32; typedef int32_t INT32; typedef uint16_t UINT16; typedef int16_t INT16; typedef uint8_t UINT8; typedef int8_t INT8; typedef __WCHAR_TYPE__ WCHAR; #undef VOID #define VOID void typedef int32_t INTN; typedef uint32_t UINTN; #define EFIERR(a) (0x80000000 | a) #define EFI_ERROR_MASK 0x80000000 #define EFIERR_OEM(a) (0xc0000000 | a) #define BAD_POINTER 0xFBFBFBFB #define MAX_ADDRESS 0xFFFFFFFF #define BREAKPOINT() while (TRUE); // // Pointers must be aligned to these address to function // #define MIN_ALIGNMENT_SIZE 4 #define ALIGN_VARIABLE(Value ,Adjustment) \ (UINTN)Adjustment = 0; \ if((UINTN)Value % MIN_ALIGNMENT_SIZE) \ (UINTN)Adjustment = MIN_ALIGNMENT_SIZE - ((UINTN)Value % MIN_ALIGNMENT_SIZE); \ Value = (UINTN)Value + (UINTN)Adjustment // // Define macros to build data structure signatures from characters. // #define EFI_SIGNATURE_16(A,B) ((A) | (B<<8)) #define EFI_SIGNATURE_32(A,B,C,D) (EFI_SIGNATURE_16(A,B) | (EFI_SIGNATURE_16(C,D) << 16)) #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)) // // EFIAPI - prototype calling convention for EFI function pointers // BOOTSERVICE - prototype for implementation of a boot service interface // RUNTIMESERVICE - prototype for implementation of a runtime service interface // RUNTIMEFUNCTION - prototype for implementation of a runtime function that is not a service // RUNTIME_CODE - pragma macro for declaring runtime code // #ifndef EFIAPI // Forces EFI calling conventions reguardless of compiler options #define EFIAPI // Substitute expresion to force C calling convention #endif #define BOOTSERVICE #define RUNTIMESERVICE #define RUNTIMEFUNCTION #define RUNTIME_CODE(a) alloc_text("rtcode", a) #define BEGIN_RUNTIME_DATA() data_seg("rtdata") #define END_RUNTIME_DATA() data_seg("") #define VOLATILE volatile #define MEMORY_FENCE __sync_synchronize // // When build similiar to FW, then link everything together as // one big module. For the MSVC toolchain, we simply tell the // linker what our driver init function is using /ENTRY. // #if defined(_MSC_EXTENSIONS) #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ __pragma(comment(linker, "/ENTRY:" # InitFunction)) #else #define EFI_DRIVER_ENTRY_POINT(InitFunction) \ UINTN \ InitializeDriver ( \ VOID *ImageHandle, \ VOID *SystemTable \ ) \ { \ return InitFunction(ImageHandle, \ SystemTable); \ } \ \ EFI_STATUS efi_main( \ EFI_HANDLE image, \ EFI_SYSTEM_TABLE *systab \ ) __attribute__((weak, \ alias ("InitializeDriver"))); #endif #define LOAD_INTERNAL_DRIVER(_if, type, name, entry) \ (_if)->LoadInternal(type, name, entry) // // Some compilers don't support the forward reference construct: // typedef struct XXXXX // // The following macro provide a workaround for such cases. #define INTERFACE_DECL(x) struct x #define uefi_call_wrapper(func, va_num, ...) func(__VA_ARGS__) #define EFI_FUNCTION