From 76bf716a7ac588bf9e187f4411f55ce8d56f204c Mon Sep 17 00:00:00 2001 From: Chao Li Date: Fri, 19 Nov 2021 18:06:06 +0800 Subject: [PATCH] MdePkg: Add LoongArch LOONGARCH64 binding REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4053 Add LOONGARCH64 sections in MdePkg.dec and LOONGARCH64 ProcessorBind.h Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Signed-off-by: Chao Li Co-authored-by: Baoqi Zhang Co-authored-by: Dongyan Qian Reviewed-by: Michael D Kinney --- MdePkg/Include/LoongArch64/ProcessorBind.h | 120 +++++++++++++++++++++ MdePkg/MdePkg.dec | 4 + MdePkg/MdePkg.dsc | 3 +- 3 files changed, 126 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..502d479099 --- /dev/null +++ b/MdePkg/Include/LoongArch64/ProcessorBind.h @@ -0,0 +1,120 @@ +/** @file + Processor or Compiler specific defines and types for LoongArch + + Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.
+ + 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 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 f1ebf9e251..4c81cbd75a 100644 --- a/MdePkg/MdePkg.dec +++ b/MdePkg/MdePkg.dec @@ -7,6 +7,7 @@ # Copyright (c) 2007 - 2022, Intel Corporation. All rights reserved.
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
# (C) Copyright 2016 - 2021 Hewlett Packard Enterprise Development LP
+# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.
# # 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 cc1ac196a9..493a13ec91 100644 --- a/MdePkg/MdePkg.dsc +++ b/MdePkg/MdePkg.dsc @@ -4,6 +4,7 @@ # Copyright (c) 2007 - 2022, Intel Corporation. All rights reserved.
# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
# (C) Copyright 2020 Hewlett Packard Enterprise Development LP
+# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.
# # 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 -- 2.39.2