> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Chao Li
> Sent: Wednesday, February 9, 2022 2:56 PM
> To: devel@edk2.groups.io
> Cc: Michael D Kinney <michael.d.kin...@intel.com>; Liming Gao
> <gaolim...@byosoft.com.cn>; Zhiguang Liu <zhiguang....@intel.com>; Baoqi
> Zhang <zhangba...@loongson.cn>; Dongyan Qian
> <qiandong...@loongson.cn>
> Subject: [edk2-devel] [staging/LoongArch RESEND PATCH v1 19/33] MdePkg:
> Add LoongArch LOONGARCH64 binding
>
> Add LOONGARCH64 sections in MdePkg.dec and LOONGARCH64
> ProcessorBind.h
>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Cc: Liming Gao <gaolim...@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang....@intel.com>
>
> Signed-off-by: Chao Li <lic...@loongson.cn>
> Co-authored-by: Baoqi Zhang <zhangba...@loongson.cn>
> Co-authored-by: Dongyan Qian <qiandong...@loongson.cn>
> ---
> MdePkg/Include/LoongArch64/ProcessorBind.h | 121
> +++++++++++++++++++++
> MdePkg/MdePkg.dec | 4 +
> MdePkg/MdePkg.dsc | 3 +-
> 3 files changed, 127 insertions(+), 1 deletion(-)
> create mode 100644 MdePkg/Include/LoongArch64/ProcessorBind.h
>
> diff --git a/MdePkg/Include/LoongArch64/ProcessorBind.h
> b/MdePkg/Include/LoongArch64/ProcessorBind.h
> new file mode 100644
> index 0000000000..a10481e285
> --- /dev/null
> +++ b/MdePkg/Include/LoongArch64/ProcessorBind.h
> @@ -0,0 +1,121 @@
> +/** @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__
Please remove the leading "_" and only keep one trailing "_" to follow the edk2
coding standard. RISC-V ProcessorBind.h has the mistake.
Abner
> +
> +//
> +// 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 UINT64;
> +typedef 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
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
> index 59b405928b..18d42047e9 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -7,6 +7,7 @@
> # Copyright (c) 2007 - 2021, Intel Corporation. All rights reserved.<BR>
> # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
> # (C) Copyright 2016 - 2021 Hewlett Packard Enterprise Development LP<BR>
> +# Copyright (c) 2022 Loongson Technology Corporation Limited. All rights
> reserved.<BR>
> #
> # SPDX-License-Identifier: BSD-2-Clause-Patent
> #
> @@ -43,6 +44,9 @@
> [Includes.RISCV64]
> Include/RiscV64
>
> +[Includes.LOONGARCH64]
> + Include/LoongArch64
> +
> [LibraryClasses]
> ## @libraryclass Provides most usb APIs to support the Hid requests
> defined in Usb Hid 1.1 spec
> # and the standard requests defined in Usb 1.1 spec.
> diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
> index a94959169b..1c83726b86 100644
> --- a/MdePkg/MdePkg.dsc
> +++ b/MdePkg/MdePkg.dsc
> @@ -4,6 +4,7 @@
> # Copyright (c) 2007 - 2021, Intel Corporation. All rights reserved.<BR>
> # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
> # (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
> +# Copyright (c) 2022 Loongson Technology Corporation Limited. All rights
> reserved.<BR>
> #
> # SPDX-License-Identifier: BSD-2-Clause-Patent
> #
> @@ -15,7 +16,7 @@
> PLATFORM_VERSION = 1.08
> DSC_SPECIFICATION = 0x00010005
> OUTPUT_DIRECTORY = Build/Mde
> - SUPPORTED_ARCHITECTURES =
> IA32|X64|EBC|ARM|AARCH64|RISCV64
> + SUPPORTED_ARCHITECTURES =
> IA32|X64|EBC|ARM|AARCH64|RISCV64|LOONGARCH64
> BUILD_TARGETS = DEBUG|RELEASE|NOOPT
> SKUID_IDENTIFIER = DEFAULT
>
> --
> 2.27.0
>
>
>
>
>
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