| /** @file |
| Processor or Compiler specific defines and types for ARM. |
| |
| Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> |
| Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> |
| This program and the accompanying materials |
| are licensed and made available under the terms and conditions of the BSD License |
| which accompanies this distribution. The full text of the license may be found at |
| http://opensource.org/licenses/bsd-license.php |
| |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
| |
| **/ |
| |
| #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 |
| |
| // |
| // RVCT does not support the __builtin_unreachable() macro |
| // |
| #ifdef __ARMCC_VERSION |
| #define UNREACHABLE() |
| #endif |
| |
| #if _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 legal ARM INTN and UINTN values. |
| /// |
| #define MAX_INTN ((INTN)0x7FFFFFFF) |
| #define MAX_UINTN ((UINTN)0xFFFFFFFF) |
| |
| /// |
| /// 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 |
| #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 |
| |
| |