mirror of https://github.com/acidanthera/audk.git
156 lines
3.9 KiB
C
156 lines
3.9 KiB
C
/** @file
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Processor or compiler specific defines and types for EBC.
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We currently only have one EBC compiler so there may be some Intel compiler
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specific functions in this file.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __PROCESSOR_BIND_H__
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#define __PROCESSOR_BIND_H__
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///
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/// Define the processor type so other code can make processor based choices
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///
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#define MDE_CPU_EBC
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//
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// Native integer types
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//
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///
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/// 1-byte signed value
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///
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typedef signed char INT8;
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///
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/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
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/// values are undefined.
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///
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typedef unsigned char BOOLEAN;
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///
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/// 1-byte unsigned value.
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///
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typedef unsigned char UINT8;
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///
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/// 1-byte Character.
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///
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typedef char CHAR8;
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///
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/// 2-byte signed value.
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///
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typedef short INT16;
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///
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/// 2-byte unsigned value.
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///
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typedef unsigned short UINT16;
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///
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/// 2-byte Character. Unless otherwise specified all strings are stored in the
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/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
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///
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typedef unsigned short CHAR16;
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///
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/// 4-byte signed value.
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///
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typedef int INT32;
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///
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/// 4-byte unsigned value.
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///
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typedef unsigned int UINT32;
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///
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/// 8-byte signed value.
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///
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typedef __int64 INT64;
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///
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/// 8-byte unsigned value.
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///
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typedef unsigned __int64 UINT64;
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///
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/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
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/// 8 bytes on supported 64-bit processor instructions)
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/// "long" type scales to the processor native size with EBC compiler
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///
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typedef long INTN;
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///
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/// The unsigned value of native width. (4 bytes on supported 32-bit processor instructions;
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/// 8 bytes on supported 64-bit processor instructions)
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/// "long" type scales to the processor native size with the EBC compiler.
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///
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typedef unsigned long UINTN;
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///
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/// A value of native width with the highest bit set.
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/// Scalable macro to set the most significant bit in a natural number.
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///
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#define MAX_BIT ((UINTN)((1ULL << (sizeof (INTN) * 8 - 1))))
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///
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/// A value of native width with the two highest bits set.
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/// Scalable macro to set the most 2 significant bits in a natural number.
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///
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#define MAX_2_BITS ((UINTN)(3ULL << (sizeof (INTN) * 8 - 2)))
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///
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/// Maximum legal EBC address
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///
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#define MAX_ADDRESS ((UINTN)(~0ULL >> (64 - sizeof (INTN) * 8)))
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///
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/// Maximum usable address at boot time (48 bits using 4 KB pages)
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///
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#define MAX_ALLOC_ADDRESS MAX_ADDRESS
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///
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/// Maximum legal EBC INTN and UINTN values.
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///
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#define MAX_UINTN ((UINTN)(~0ULL >> (64 - sizeof (INTN) * 8)))
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#define MAX_INTN ((INTN)(~0ULL >> (65 - sizeof (INTN) * 8)))
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///
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/// Minimum legal EBC INTN value.
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///
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#define MIN_INTN (((INTN)-MAX_INTN) - 1)
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///
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/// The stack alignment required for EBC
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///
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#define CPU_STACK_ALIGNMENT sizeof(UINTN)
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///
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/// Page allocation granularity for EBC
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///
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#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
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#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x1000)
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///
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/// Modifier to ensure that all protocol member functions and EFI intrinsics
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/// use the correct C calling convention. All protocol member functions and
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/// EFI intrinsics are required to modify their member functions with EFIAPI.
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///
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#ifdef EFIAPI
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///
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/// If EFIAPI is already defined, then we use that definition.
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///
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#else
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#define EFIAPI
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#endif
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/**
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Return the pointer to the first instruction of a function given a function pointer.
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On EBC architectures, these two pointer values are the same,
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so the implementation of this macro is very simple.
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@param FunctionPointer A pointer to a function.
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@return The pointer to the first instruction of a function given a function pointer.
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**/
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#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)
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#ifndef __USER_LABEL_PREFIX__
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#define __USER_LABEL_PREFIX__
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#endif
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#endif
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