/** @file\r
Processor or Compiler specific defines and types for ARM.\r
\r
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
- This program and the accompanying materials \r
- are licensed and made available under the terms and conditions of the BSD License \r
- which accompanies this distribution. The full text of the license may be found at \r
- http://opensource.org/licenses/bsd-license.php \r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
//\r
// Make sure we are using the correct packing rules per EFI specification\r
//\r
-#ifndef __GNUC__\r
-#pragma pack()\r
+#if !defined (__GNUC__) && !defined (__ASSEMBLER__)\r
+ #pragma pack()\r
+#endif\r
+\r
+#if defined (_MSC_EXTENSIONS)\r
+\r
+//\r
+// Disable some level 4 compilation warnings (same as IA32 and X64)\r
+//\r
+\r
+//\r
+// Disabling bitfield type checking warnings.\r
+//\r
+ #pragma warning ( disable : 4214 )\r
+\r
+//\r
+// Disabling the unreferenced formal parameter warnings.\r
+//\r
+ #pragma warning ( disable : 4100 )\r
+\r
+//\r
+// Disable slightly different base types warning as CHAR8 * can not be set\r
+// to a constant string.\r
+//\r
+ #pragma warning ( disable : 4057 )\r
+\r
+//\r
+// ASSERT(FALSE) or while (TRUE) are legal constructs so suppress this warning\r
+//\r
+ #pragma warning ( disable : 4127 )\r
+\r
+//\r
+// This warning is caused by functions defined but not used. For precompiled header only.\r
+//\r
+ #pragma warning ( disable : 4505 )\r
+\r
+//\r
+// This warning is caused by empty (after preprocessing) source file. For precompiled header only.\r
+//\r
+ #pragma warning ( disable : 4206 )\r
+\r
+//\r
+// Disable 'potentially uninitialized local variable X used' warnings\r
+//\r
+ #pragma warning ( disable : 4701 )\r
+\r
+//\r
+// Disable 'potentially uninitialized local pointer variable X used' warnings\r
+//\r
+ #pragma warning ( disable : 4703 )\r
+\r
+#endif\r
+\r
+//\r
+// RVCT and MSFT don't support the __builtin_unreachable() macro\r
+//\r
+#if defined (__ARMCC_VERSION) || defined (_MSC_EXTENSIONS)\r
+#define UNREACHABLE()\r
#endif\r
\r
-#if _MSC_EXTENSIONS \r
- //\r
- // use Microsoft* C complier dependent interger width types \r
- //\r
- typedef unsigned __int64 UINT64;\r
- typedef __int64 INT64;\r
- typedef unsigned __int32 UINT32;\r
- typedef __int32 INT32;\r
- typedef unsigned short UINT16;\r
- typedef unsigned short CHAR16;\r
- typedef short INT16;\r
- typedef unsigned char BOOLEAN;\r
- typedef unsigned char UINT8;\r
- typedef char CHAR8;\r
- typedef char INT8;\r
+#if defined (_MSC_EXTENSIONS)\r
+//\r
+// use Microsoft* C compiler dependent integer width types\r
+//\r
+typedef unsigned __int64 UINT64;\r
+typedef __int64 INT64;\r
+typedef unsigned __int32 UINT32;\r
+typedef __int32 INT32;\r
+typedef unsigned short UINT16;\r
+typedef unsigned short CHAR16;\r
+typedef short INT16;\r
+typedef unsigned char BOOLEAN;\r
+typedef unsigned char UINT8;\r
+typedef char CHAR8;\r
+typedef signed char INT8;\r
#else\r
- //\r
- // Assume standard ARM alignment. \r
- // Need to check portability of long long\r
- //\r
- typedef unsigned long long UINT64;\r
- typedef long long INT64;\r
- typedef unsigned int UINT32;\r
- typedef int INT32;\r
- typedef unsigned short UINT16;\r
- typedef unsigned short CHAR16;\r
- typedef short INT16;\r
- typedef unsigned char BOOLEAN;\r
- typedef unsigned char UINT8;\r
- typedef char CHAR8;\r
- typedef char INT8;\r
+//\r
+// Assume standard ARM alignment.\r
+// Need to check portability of long long\r
+//\r
+typedef unsigned long long UINT64;\r
+typedef long long INT64;\r
+typedef unsigned int UINT32;\r
+typedef int INT32;\r
+typedef unsigned short UINT16;\r
+typedef unsigned short CHAR16;\r
+typedef short INT16;\r
+typedef unsigned char BOOLEAN;\r
+typedef unsigned char UINT8;\r
+typedef char CHAR8;\r
+typedef signed char INT8;\r
#endif\r
\r
///\r
/// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,\r
/// 8 bytes on supported 64-bit processor instructions)\r
///\r
-typedef UINT32 UINTN;\r
+typedef UINT32 UINTN;\r
\r
///\r
/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,\r
/// 8 bytes on supported 64-bit processor instructions)\r
///\r
-typedef INT32 INTN;\r
+typedef INT32 INTN;\r
\r
//\r
// Processor specific defines\r
///\r
/// A value of native width with the highest bit set.\r
///\r
-#define MAX_BIT 0x80000000\r
+#define MAX_BIT 0x80000000\r
\r
///\r
/// A value of native width with the two highest bits set.\r
///\r
-#define MAX_2_BITS 0xC0000000\r
+#define MAX_2_BITS 0xC0000000\r
\r
///\r
/// Maximum legal ARM address\r
///\r
#define MAX_ADDRESS 0xFFFFFFFF\r
\r
+///\r
+/// Maximum usable address at boot time\r
+///\r
+#define MAX_ALLOC_ADDRESS MAX_ADDRESS\r
+\r
+///\r
+/// Maximum legal ARM INTN and UINTN values.\r
+///\r
+#define MAX_INTN ((INTN)0x7FFFFFFF)\r
+#define MAX_UINTN ((UINTN)0xFFFFFFFF)\r
+\r
+///\r
+/// Minimum legal ARM INTN value.\r
+///\r
+#define MIN_INTN (((INTN)-2147483647) - 1)\r
+\r
///\r
/// The stack alignment required for ARM\r
///\r
#define CPU_STACK_ALIGNMENT sizeof(UINT64)\r
\r
+///\r
+/// Page allocation granularity for ARM\r
+///\r
+#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)\r
+#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)\r
+\r
//\r
// Modifier to ensure that all protocol member functions and EFI intrinsics\r
// use the correct C calling convention. All protocol member functions and\r
// EFI intrinsics are required to modify their member functions with EFIAPI.\r
//\r
-#define EFIAPI \r
+#define EFIAPI\r
\r
-#if defined(__GNUC__)\r
- ///\r
- /// For GNU assembly code, .global or .globl can declare global symbols.\r
- /// Define this macro to unify the usage.\r
- ///\r
- #define ASM_GLOBAL .globl\r
+// When compiling with Clang, we still use GNU as for the assembler, so we still\r
+// need to define the GCC_ASM* macros.\r
+#if defined (__GNUC__) || defined (__clang__)\r
+///\r
+/// For GNU assembly code, .global or .globl can declare global symbols.\r
+/// Define this macro to unify the usage.\r
+///\r
+#define ASM_GLOBAL .globl\r
+\r
+ #if !defined (__APPLE__)\r
+///\r
+/// ARM EABI defines that the linker should not manipulate call relocations\r
+/// (do bl/blx conversion) unless the target symbol has function type.\r
+/// CodeSourcery 2010.09 started requiring the .type to function properly\r
+///\r
+#define INTERWORK_FUNC(func__) .type ASM_PFX(func__), %function\r
+\r
+#define GCC_ASM_EXPORT(func__) \\r
+ .global _CONCATENATE (__USER_LABEL_PREFIX__, func__) ;\\r
+ .type ASM_PFX(func__), %function\r
+\r
+#define GCC_ASM_IMPORT(func__) \\r
+ .extern _CONCATENATE (__USER_LABEL_PREFIX__, func__)\r
+\r
+ #else\r
+//\r
+// .type not supported by Apple Xcode tools\r
+//\r
+#define INTERWORK_FUNC(func__)\r
+\r
+#define GCC_ASM_EXPORT(func__) \\r
+ .globl _CONCATENATE (__USER_LABEL_PREFIX__, func__) \\r
+\r
+#define GCC_ASM_IMPORT(name)\r
+\r
+ #endif\r
+#elif defined (_MSC_EXTENSIONS)\r
+//\r
+// PRESERVE8 is not supported by the MSFT assembler.\r
+//\r
+#define PRESERVE8\r
#endif\r
\r
/**\r
Return the pointer to the first instruction of a function given a function pointer.\r
- On ARM CPU architectures, these two pointer values are the same, \r
+ On ARM CPU architectures, these two pointer values are the same,\r
so the implementation of this macro is very simple.\r
- \r
+\r
@param FunctionPointer A pointer to a function.\r
\r
@return The pointer to the first instruction of a function given a function pointer.\r
- \r
+\r
**/\r
-#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)\r
+#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)\r
+\r
+#ifndef __USER_LABEL_PREFIX__\r
+#define __USER_LABEL_PREFIX__\r
+#endif\r
\r
#endif\r
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