| /** @file |
| Processor or Compiler specific defines and types for ARM. |
| |
| Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> |
| Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> |
| SPDX-License-Identifier: BSD-2-Clause-Patent |
| |
| **/ |
| |
| #ifndef __PROCESSOR_BIND_H__ |
| #define __PROCESSOR_BIND_H__ |
| |
| /// |
| /// Define the processor type so other code can make processor based choices |
| /// |
| #define MDE_CPU_ARM |
| |
| // |
| // Make sure we are using the correct packing rules per EFI specification |
| // |
| #if !defined(__GNUC__) && !defined(__ASSEMBLER__) |
| #pragma pack() |
| #endif |
| |
| #if defined(_MSC_EXTENSIONS) |
| |
| // |
| // Disable some level 4 compilation warnings (same as IA32 and X64) |
| // |
| |
| // |
| // Disabling bitfield type checking warnings. |
| // |
| #pragma warning ( disable : 4214 ) |
| |
| // |
| // Disabling the unreferenced formal parameter warnings. |
| // |
| #pragma warning ( disable : 4100 ) |
| |
| // |
| // Disable slightly different base types warning as CHAR8 * can not be set |
| // to a constant string. |
| // |
| #pragma warning ( disable : 4057 ) |
| |
| // |
| // ASSERT(FALSE) or while (TRUE) are legal constructs so suppress this warning |
| // |
| #pragma warning ( disable : 4127 ) |
| |
| // |
| // This warning is caused by functions defined but not used. For precompiled header only. |
| // |
| #pragma warning ( disable : 4505 ) |
| |
| // |
| // This warning is caused by empty (after preprocessing) source file. For precompiled header only. |
| // |
| #pragma warning ( disable : 4206 ) |
| |
| // |
| // Disable 'potentially uninitialized local variable X used' warnings |
| // |
| #pragma warning ( disable : 4701 ) |
| |
| // |
| // Disable 'potentially uninitialized local pointer variable X used' warnings |
| // |
| #pragma warning ( disable : 4703 ) |
| |
| #endif |
| |
| // |
| // RVCT and MSFT don't support the __builtin_unreachable() macro |
| // |
| #if defined(__ARMCC_VERSION) || defined(_MSC_EXTENSIONS) |
| #define UNREACHABLE() |
| #endif |
| |
| #if defined(_MSC_EXTENSIONS) |
| // |
| // use Microsoft* C compiler dependent integer width types |
| // |
| typedef unsigned __int64 UINT64; |
| typedef __int64 INT64; |
| typedef unsigned __int32 UINT32; |
| typedef __int32 INT32; |
| typedef unsigned short UINT16; |
| typedef unsigned short CHAR16; |
| typedef short INT16; |
| typedef unsigned char BOOLEAN; |
| typedef unsigned char UINT8; |
| typedef char CHAR8; |
| typedef signed char INT8; |
| #else |
| // |
| // Assume standard ARM alignment. |
| // Need to check portability of long long |
| // |
| typedef unsigned long long UINT64; |
| typedef long long INT64; |
| typedef unsigned int UINT32; |
| typedef int INT32; |
| typedef unsigned short UINT16; |
| typedef unsigned short CHAR16; |
| typedef short INT16; |
| typedef unsigned char BOOLEAN; |
| typedef unsigned char UINT8; |
| typedef char CHAR8; |
| typedef signed char INT8; |
| #endif |
| |
| /// |
| /// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions, |
| /// 8 bytes on supported 64-bit processor instructions) |
| /// |
| typedef UINT32 UINTN; |
| |
| /// |
| /// Signed value of native width. (4 bytes on supported 32-bit processor instructions, |
| /// 8 bytes on supported 64-bit processor instructions) |
| /// |
| typedef INT32 INTN; |
| |
| // |
| // Processor specific defines |
| // |
| |
| /// |
| /// A value of native width with the highest bit set. |
| /// |
| #define MAX_BIT 0x80000000 |
| |
| /// |
| /// A value of native width with the two highest bits set. |
| /// |
| #define MAX_2_BITS 0xC0000000 |
| |
| /// |
| /// Maximum legal ARM address |
| /// |
| #define MAX_ADDRESS 0xFFFFFFFF |
| |
| /// |
| /// Maximum usable address at boot time |
| /// |
| #define MAX_ALLOC_ADDRESS MAX_ADDRESS |
| |
| /// |
| /// Maximum legal ARM INTN and UINTN values. |
| /// |
| #define MAX_INTN ((INTN)0x7FFFFFFF) |
| #define MAX_UINTN ((UINTN)0xFFFFFFFF) |
| |
| /// |
| /// Minimum legal ARM INTN value. |
| /// |
| #define MIN_INTN (((INTN)-2147483647) - 1) |
| |
| /// |
| /// The stack alignment required for ARM |
| /// |
| #define CPU_STACK_ALIGNMENT sizeof(UINT64) |
| |
| /// |
| /// Page allocation granularity for ARM |
| /// |
| #define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000) |
| #define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000) |
| |
| // |
| // Modifier to ensure that all protocol member functions and EFI intrinsics |
| // use the correct C calling convention. All protocol member functions and |
| // EFI intrinsics are required to modify their member functions with EFIAPI. |
| // |
| #define EFIAPI |
| |
| // When compiling with Clang, we still use GNU as for the assembler, so we still |
| // need to define the GCC_ASM* macros. |
| #if defined(__GNUC__) || defined(__clang__) |
| /// |
| /// For GNU assembly code, .global or .globl can declare global symbols. |
| /// Define this macro to unify the usage. |
| /// |
| #define ASM_GLOBAL .globl |
| |
| #if !defined(__APPLE__) |
| /// |
| /// ARM EABI defines that the linker should not manipulate call relocations |
| /// (do bl/blx conversion) unless the target symbol has function type. |
| /// CodeSourcery 2010.09 started requiring the .type to function properly |
| /// |
| #define INTERWORK_FUNC(func__) .type ASM_PFX(func__), %function |
| |
| #define GCC_ASM_EXPORT(func__) \ |
| .global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\ |
| .type ASM_PFX(func__), %function |
| |
| #define GCC_ASM_IMPORT(func__) \ |
| .extern _CONCATENATE (__USER_LABEL_PREFIX__, func__) |
| |
| #else |
| // |
| // .type not supported by Apple Xcode tools |
| // |
| #define INTERWORK_FUNC(func__) |
| |
| #define GCC_ASM_EXPORT(func__) \ |
| .globl _CONCATENATE (__USER_LABEL_PREFIX__, func__) \ |
| |
| #define GCC_ASM_IMPORT(name) |
| |
| #endif |
| #elif defined(_MSC_EXTENSIONS) |
| // |
| // PRESERVE8 is not supported by the MSFT assembler. |
| // |
| #define PRESERVE8 |
| #endif |
| |
| /** |
| Return the pointer to the first instruction of a function given a function pointer. |
| On ARM CPU architectures, these two pointer values are the same, |
| so the implementation of this macro is very simple. |
| |
| @param FunctionPointer A pointer to a function. |
| |
| @return The pointer to the first instruction of a function given a function pointer. |
| |
| **/ |
| #define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer) |
| |
| #ifndef __USER_LABEL_PREFIX__ |
| #define __USER_LABEL_PREFIX__ |
| #endif |
| |
| #endif |
| |
| |