| /* |
| * 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(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L ) |
| |
| // 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 |
| |
| #else |
| #include <stdint.h> |
| #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 |