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


Abner Chang
 

-----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@...>; Liming Gao
<gaoliming@...>; Yuwei Chen <yuwei.chen@...>; Baoqi
Zhang <zhangbaoqi@...>
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@...>
Cc: Liming Gao <gaoliming@...>
Cc: Yuwei Chen <yuwei.chen@...>

Signed-off-by: Chao Li <lichao@...>
Co-authored-by: Baoqi Zhang <zhangbaoqi@...>
---
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




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