/* $NetBSD: efibind.h,v 1.1.1.2 2021/09/30 18:50:09 jmcneill Exp $ */ /* * Copright (C) 2014 - 2015 Linaro Ltd. * Author: Ard Biesheuvel * Copright (C) 2017 Lemote Co. * Author: Heiher * * 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(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) && !defined(__cplusplus) // ANSI C 1999/2000 stdint.h integer width declarations typedef unsigned long uint64_t; typedef 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 typedef uint64_t uintptr_t; typedef int64_t intptr_t; #else #include #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 int64_t INTN; typedef uint64_t UINTN; #define EFIERR(a) (0x8000000000000000 | a) #define EFI_ERROR_MASK 0x8000000000000000 #define EFIERR_OEM(a) (0xc000000000000000 | a) #define BAD_POINTER 0xFBFBFBFBFBFBFBFB #define MAX_ADDRESS 0xFFFFFFFFFFFFFFFF #define BREAKPOINT() while (TRUE); // Make it hang on Bios[Dbg]32 // // Pointers must be aligned to these address to function // #define MIN_ALIGNMENT_SIZE 8 #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. // #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"))); #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 static inline UINT64 swap_uint64 (UINT64 v) { asm volatile ( "dsbh %[v], %[v] \n\t" "dshd %[v], %[v] \n\t" :[v]"+r"(v) ); return v; }