diff options
Diffstat (limited to 'MdePkg/Include/Ebc/ProcessorBind.h')
| -rw-r--r-- | MdePkg/Include/Ebc/ProcessorBind.h | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/MdePkg/Include/Ebc/ProcessorBind.h b/MdePkg/Include/Ebc/ProcessorBind.h index ca46b80561ab..f747e8da2c1f 100644 --- a/MdePkg/Include/Ebc/ProcessorBind.h +++ b/MdePkg/Include/Ebc/ProcessorBind.h @@ -4,14 +4,8 @@ We currently only have one EBC compiler so there may be some Intel compiler specific functions in this file. -Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR> -This program and the accompanying materials are licensed and made available under -the terms and conditions of the BSD License that 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.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent **/ @@ -91,23 +85,33 @@ typedef unsigned long UINTN; /// 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 (1ULL << (sizeof (INTN) * 8 - 1)) +#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 (3ULL << (sizeof (INTN) * 8 - 2)) +#define MAX_2_BITS ((UINTN)(3ULL << (sizeof (INTN) * 8 - 2))) /// /// Maximum legal EBC address /// -#define MAX_ADDRESS ((UINTN) ~0) +#define MAX_ADDRESS ((UINTN)(~0ULL >> (64 - sizeof (INTN) * 8))) + +/// +/// Maximum usable address at boot time (48 bits using 4 KB pages) +/// +#define MAX_ALLOC_ADDRESS MAX_ADDRESS /// /// Maximum legal EBC INTN and UINTN values. /// -#define MAX_UINTN ((UINTN) ~0) -#define MAX_INTN ((INTN)~MAX_BIT) +#define MAX_UINTN ((UINTN)(~0ULL >> (64 - sizeof (INTN) * 8))) +#define MAX_INTN ((INTN)(~0ULL >> (65 - sizeof (INTN) * 8))) + +/// +/// Minimum legal EBC INTN value. +/// +#define MIN_INTN (((INTN)-MAX_INTN) - 1) /// /// The stack alignment required for EBC @@ -130,14 +134,14 @@ typedef unsigned long UINTN; /// If EFIAPI is already defined, then we use that definition. /// #else -#define EFIAPI +#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. @@ -148,5 +152,5 @@ typedef unsigned long UINTN; #define __USER_LABEL_PREFIX__ #endif -#endif +#endif |