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/** @file
Processor or Compiler specific defines and types for LoongArch
Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef PROCESSOR_BIND_H_
#define PROCESSOR_BIND_H_
//
// Define the processor type so other code can make processor based choices
//
#define MDE_CPU_LOONGARCH64
#define EFIAPI
//
// Make sure we are using the correct packing rules per EFI specification
//
#ifndef __GNUC__
#pragma pack()
#endif
//
// Assume standard LoongArch 64-bit alignment.
// Need to check portability of long long
//
typedef unsigned long long UINT64;
typedef long long INT64;
typedef unsigned int UINT32;
typedef int INT32;
typedef unsigned short UINT16;
typedef unsigned short CHAR16;
typedef short INT16;
typedef unsigned char BOOLEAN;
typedef unsigned char UINT8;
typedef char CHAR8;
typedef char INT8;
//
// Unsigned value of native width. (4 bytes on supported 32-bit processor instructions,
// 8 bytes on supported 64-bit processor instructions)
//
typedef UINT64 UINTN;
//
// Signed value of native width. (4 bytes on supported 32-bit processor instructions,
// 8 bytes on supported 64-bit processor instructions)
//
typedef INT64 INTN;
//
// Processor specific defines
//
//
// A value of native width with the highest bit set.
//
#define MAX_BIT 0x8000000000000000ULL
//
// A value of native width with the two highest bits set.
//
#define MAX_2_BITS 0xC000000000000000ULL
//
// Maximum legal LoongArch 64-bit address
//
#define MAX_ADDRESS 0xFFFFFFFFFFFFFFFFULL
//
// Maximum usable address at boot time (48 bits using 4KB pages)
//
#define MAX_ALLOC_ADDRESS 0xFFFFFFFFFFFFULL
//
// Maximum legal LoongArch 64-bit INTN and UINTN values.
//
#define MAX_INTN ((INTN)0x7FFFFFFFFFFFFFFFULL)
#define MAX_UINTN ((UINTN)0xFFFFFFFFFFFFFFFFULL)
//
// Page allocation granularity for LoongArch
//
#define DEFAULT_PAGE_ALLOCATION_GRANULARITY (0x1000)
#define RUNTIME_PAGE_ALLOCATION_GRANULARITY (0x10000)
#if defined (__GNUC__)
//
// For GNU assembly code, .global or .globl can declare global symbols.
// Define this macro to unify the usage.
//
#define ASM_GLOBAL .globl
#endif
//
// The stack alignment required for LoongArch
//
#define CPU_STACK_ALIGNMENT 16
/**
Return the pointer to the first instruction of a function given a function pointer.
On LOONGARCH CPU 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)
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__
#endif
#endif
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