X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FEbc%2FProcessorBind.h;h=2ddab9995eb7869607f89559e90632bd15c57bc5;hp=966ddb67813b3dbed497932e4f51f061b23e859b;hb=HEAD;hpb=9a1d00cbb571c019e98b28189f6619ff32e7bb49
diff --git a/MdePkg/Include/Ebc/ProcessorBind.h b/MdePkg/Include/Ebc/ProcessorBind.h
index 966ddb6781..2ddab9995e 100644
--- a/MdePkg/Include/Ebc/ProcessorBind.h
+++ b/MdePkg/Include/Ebc/ProcessorBind.h
@@ -1,17 +1,11 @@
/** @file
Processor or compiler specific defines and types for EBC.
- We currently only have one EBC complier so there may be some Intel compiler
+ We currently only have one EBC compiler so there may be some Intel compiler
specific functions in this file.
- Copyright (c) 2006, Intel Corporation
- All rights reserved. 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.
+Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -26,71 +20,136 @@
//
// Native integer types
//
-typedef char INT8;
-typedef unsigned char BOOLEAN;
-typedef unsigned char UINT8;
-typedef char CHAR8;
-typedef short INT16;
-typedef unsigned short UINT16;
-typedef unsigned short CHAR16;
+///
+/// 1-byte signed value
+///
+typedef signed char INT8;
+///
+/// Logical Boolean. 1-byte value containing 0 for FALSE or a 1 for TRUE. Other
+/// values are undefined.
+///
+typedef unsigned char BOOLEAN;
+///
+/// 1-byte unsigned value.
+///
+typedef unsigned char UINT8;
+///
+/// 1-byte Character.
+///
+typedef char CHAR8;
+///
+/// 2-byte signed value.
+///
+typedef short INT16;
+///
+/// 2-byte unsigned value.
+///
+typedef unsigned short UINT16;
+///
+/// 2-byte Character. Unless otherwise specified all strings are stored in the
+/// UTF-16 encoding format as defined by Unicode 2.1 and ISO/IEC 10646 standards.
+///
+typedef unsigned short CHAR16;
+///
+/// 4-byte signed value.
+///
+typedef int INT32;
+///
+/// 4-byte unsigned value.
+///
+typedef unsigned int UINT32;
+///
+/// 8-byte signed value.
+///
+typedef __int64 INT64;
+///
+/// 8-byte unsigned value.
+///
+typedef unsigned __int64 UINT64;
-typedef int INT32;
-typedef unsigned int UINT32;
+///
+/// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
+/// 8 bytes on supported 64-bit processor instructions)
+/// "long" type scales to the processor native size with EBC compiler
+///
+typedef long INTN;
+///
+/// The unsigned value of native width. (4 bytes on supported 32-bit processor instructions;
+/// 8 bytes on supported 64-bit processor instructions)
+/// "long" type scales to the processor native size with the EBC compiler.
+///
+typedef unsigned long UINTN;
-typedef __int64 INT64;
-typedef unsigned __int64 UINT64;
+///
+/// A value of native width with the highest bit set.
+/// Scalable macro to set the most significant bit in a natural number.
+///
+#define MAX_BIT ((UINTN)((1ULL << (sizeof (INTN) * 8 - 1))))
+///
+/// A value of native width with the two highest bits set.
+/// Scalable macro to set the most 2 significant bits in a natural number.
+///
+#define MAX_2_BITS ((UINTN)(3ULL << (sizeof (INTN) * 8 - 2)))
///
-/// "long" type scales to the processor native size with EBC compiler
+/// Maximum legal EBC address
///
-typedef long INTN;
-typedef unsigned long UINTN;
+#define MAX_ADDRESS ((UINTN)(~0ULL >> (64 - sizeof (INTN) * 8)))
-#define UINT8_MAX 0xff
+///
+/// Maximum usable address at boot time (48 bits using 4 KB pages)
+///
+#define MAX_ALLOC_ADDRESS MAX_ADDRESS
///
-/// Scalable macro to set the most significant bit in a natural number
+/// Maximum legal EBC INTN and UINTN values.
///
-#define MAX_BIT (1ULL << (sizeof (INTN) * 8 - 1))
-#define MAX_2_BITS (3ULL << (sizeof (INTN) * 8 - 2))
+#define MAX_UINTN ((UINTN)(~0ULL >> (64 - sizeof (INTN) * 8)))
+#define MAX_INTN ((INTN)(~0ULL >> (65 - sizeof (INTN) * 8)))
///
-/// Maximum legal EBC address
+/// Minimum legal EBC INTN value.
///
-#define MAX_ADDRESS ((UINTN) ~0)
+#define MIN_INTN (((INTN)-MAX_INTN) - 1)
///
/// The stack alignment required for EBC
///
-#define CPU_STACK_ALIGNMENT sizeof(UINTN)
+#define CPU_STACK_ALIGNMENT sizeof(UINTN)
+
+///
+/// Page allocation granularity for EBC
+///
+#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
-
+#ifdef EFIAPI
///
-/// The Microsoft* C compiler can removed references to unreferenced data items
-/// if the /OPT:REF linker option is used. We defined a macro as this is a
-/// a non standard extension. Currently not supported by the EBC compiler
+/// If EFIAPI is already defined, then we use that definition.
///
-#define GLOBAL_REMOVE_IF_UNREFERENCED
-
+#else
+#define EFIAPI
+#endif
/**
Return the pointer to the first instruction of a function given a function pointer.
- On EBC architectures, these two pointer values are the same,
+ On EBC 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)
-#define FUNCTION_ENTRY_POINT(FunctionPointer) (VOID *)(UINTN)(FunctionPointer)
-
-#endif
+#ifndef __USER_LABEL_PREFIX__
+#define __USER_LABEL_PREFIX__
+#endif
+#endif