Re: [edk2-devel] [staging/LoongArch RESEND PATCH v1 32/33] BaseTools: Add LoongArch64 binding.

["Abner Chang" <abner.chang@hpe.com>]

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Chao Li
> Sent: Wednesday, February 9, 2022 4:02 PM
> To: devel@edk2.groups.io
> Cc: Bob Feng <bob.c.feng@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Yuwei Chen <yuwei.chen@intel.com>; Baoqi
> Zhang <zhangbaoqi@loongson.cn>
> Subject: [edk2-devel] [staging/LoongArch RESEND PATCH v1 32/33]
> BaseTools: Add LoongArch64 binding.
> 
> Add LoongArch64 ProcessorBin.h and add LoongArch to Makefiles.
> 
> Cc: Bob Feng <bob.c.feng@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Yuwei Chen <yuwei.chen@intel.com>
> 
> Signed-off-by: Chao Li <lichao@loongson.cn>
> Co-authored-by: Baoqi Zhang <zhangbaoqi@loongson.cn>
> ---
>  BaseTools/Source/C/GNUmakefile                |  3 +
>  .../C/Include/LoongArch64/ProcessorBind.h     | 80 +++++++++++++++++++
>  2 files changed, 83 insertions(+)
>  create mode 100644
> BaseTools/Source/C/Include/LoongArch64/ProcessorBind.h
> 
> diff --git a/BaseTools/Source/C/GNUmakefile
> b/BaseTools/Source/C/GNUmakefile
> index 8c191e0c38..5275f657ef 100644
> --- a/BaseTools/Source/C/GNUmakefile
> +++ b/BaseTools/Source/C/GNUmakefile
> @@ -29,6 +29,9 @@ ifndef HOST_ARCH
>    ifneq (,$(findstring riscv64,$(uname_m)))
>      HOST_ARCH=RISCV64
>    endif
> +  ifneq (,$(findstring loongarch64,$(uname_m)))
> +    HOST_ARCH=LOONGARCH64
> +  endif
>    ifndef HOST_ARCH
>      $(info Could not detected HOST_ARCH from uname results)
>      $(error HOST_ARCH is not defined!)
> diff --git a/BaseTools/Source/C/Include/LoongArch64/ProcessorBind.h
> b/BaseTools/Source/C/Include/LoongArch64/ProcessorBind.h
> new file mode 100644
> index 0000000000..84c6b8ea7a
> --- /dev/null
> +++ b/BaseTools/Source/C/Include/LoongArch64/ProcessorBind.h
> @@ -0,0 +1,80 @@
> +/** @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 keep only one trailing "_".

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
> +
> +//
> +// Use ANSI C 2000 stdint.h integer width declarations
> +//
> +#include <stdint.h>
> +typedef uint8_t   BOOLEAN;
> +typedef int8_t    INT8;
> +typedef uint8_t   UINT8;
> +typedef int16_t   INT16;
> +typedef uint16_t  UINT16;
> +typedef int32_t   INT32;
> +typedef uint32_t  UINT32;
> +typedef int64_t   INT64;
> +typedef uint64_t  UINT64;
> +typedef char      CHAR8;
> +typedef uint16_t  CHAR16;
> +
> +//
> +// Signed value of native width.  (4 bytes on supported 32-bit processor
> instructions,
> +// 8 bytes on supported 64-bit processor instructions)
> +//
> +typedef INT64   INTN;
> +
> +//
> +// Unsigned value of native width.  (4 bytes on supported 32-bit processor
> instructions,
> +// 8 bytes on supported 64-bit processor instructions)
> +//
> +typedef UINT64  UINTN;
> +
> +//
> +// 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
> +
> +#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
> +
> +#endif
> --
> 2.27.0
> 
> 
> 
> 
>