mirror of https://github.com/acidanthera/audk.git
121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
/** @file
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Processor or Compiler specific defines and types for LoongArch
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Copyright (c) 2022, Loongson Technology Corporation Limited. 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_LOONGARCH64
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#define EFIAPI
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//
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// Make sure we are using the correct packing rules per EFI specification
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//
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#ifndef __GNUC__
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#pragma pack()
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#endif
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//
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// Assume standard LoongArch 64-bit alignment.
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// Need to check portability of long long
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//
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typedef unsigned long UINT64;
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typedef long INT64;
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typedef unsigned int UINT32;
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typedef int INT32;
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typedef unsigned short UINT16;
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typedef unsigned short CHAR16;
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typedef short INT16;
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typedef unsigned char BOOLEAN;
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typedef unsigned char UINT8;
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typedef char CHAR8;
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typedef char INT8;
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//
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// 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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//
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typedef UINT64 UINTN;
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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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//
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typedef INT64 INTN;
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//
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// Processor specific defines
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//
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//
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// A value of native width with the highest bit set.
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//
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#define MAX_BIT 0x8000000000000000ULL
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//
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// A value of native width with the two highest bits set.
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//
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#define MAX_2_BITS 0xC000000000000000ULL
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//
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// Maximum legal LoongArch 64-bit address
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//
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#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
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//
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// Maximum usable address at boot time (48 bits using 4KB pages)
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//
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#define MAX_ALLOC_ADDRESS 0xFFFFFFFFFFFFULL
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//
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// Maximum legal LoongArch 64-bit INTN and UINTN values.
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//
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#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL)
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#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL)
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//
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// Page allocation granularity for LoongArch
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//
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#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
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#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x10000)
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#if defined (__GNUC__)
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//
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// For GNU assembly code, .global or .globl can declare global symbols.
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// Define this macro to unify the usage.
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//
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#define ASM_GLOBAL .globl
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#endif
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//
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// The stack alignment required for LoongArch
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//
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#define CPU_STACK_ALIGNMENT 16
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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 LOONGARCH CPU 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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