Implement LoongArch CPU related functions in BaseCpuLib. 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> --- MdePkg/Library/BaseCpuLib/BaseCpuLib.inf | 7 ++++++- MdePkg/Library/BaseCpuLib/BaseCpuLib.uni | 5 +++-- MdePkg/Library/BaseCpuLib/LoongArch/CpuFlushTlb.S | 15 +++++++++++++++ MdePkg/Library/BaseCpuLib/LoongArch/CpuSleep.S | 15 +++++++++++++++ 4 files changed, 39 insertions(+), 3 deletions(-) create mode 100644 MdePkg/Library/BaseCpuLib/LoongArch/CpuFlushTlb.S create mode 100644 MdePkg/Library/BaseCpuLib/LoongArch/CpuSleep.S diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf index c4cd29a783..6b230f6e6d 100644 --- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf +++ b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf @@ -8,6 +8,7 @@ # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> # Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR> # Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> +# Portions Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR> # # SPDX-License-Identifier: BSD-2-Clause-Patent # @@ -25,7 +26,7 @@ # -# VALID_ARCHITECTURES = IA32 X64 EBC ARM AARCH64 RISCV64 +# VALID_ARCHITECTURES = IA32 X64 EBC ARM AARCH64 RISCV64 LOONGARCH64 # [Sources.IA32] @@ -61,6 +62,10 @@ [Sources.RISCV64] RiscV/Cpu.S +[Sources.LOONGARCH64] + LoongArch/CpuFlushTlb.S | GCC + LoongArch/CpuSleep.S | GCC + [Packages] MdePkg/MdePkg.dec diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.uni b/MdePkg/Library/BaseCpuLib/BaseCpuLib.uni index 80dc495786..7c5c8dfb37 100644 --- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.uni +++ b/MdePkg/Library/BaseCpuLib/BaseCpuLib.uni @@ -1,13 +1,14 @@ // /** @file // Instance of CPU Library for various architecture. // -// CPU Library implemented using ASM functions for IA-32, X64 and RISCV64, +// CPU Library implemented using ASM functions for IA-32, X64, RISCV64 and LoongArch64, // PAL CALLs for IPF, and empty functions for EBC. // // Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR> // Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> // Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR> // Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> +// Portions Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR> // // SPDX-License-Identifier: BSD-2-Clause-Patent // @@ -16,5 +17,5 @@ #string STR_MODULE_ABSTRACT #language en-US "Instance of CPU Library for various architectures" -#string STR_MODULE_DESCRIPTION #language en-US "CPU Library implemented using ASM functions for IA-32, X64 and RISCV64, PAL CALLs for IPF, and empty functions for EBC." +#string STR_MODULE_DESCRIPTION #language en-US "CPU Library implemented using ASM functions for IA-32, X64, RISCV64 and LoongArch64, PAL CALLs for IPF, and empty functions for EBC." diff --git a/MdePkg/Library/BaseCpuLib/LoongArch/CpuFlushTlb.S b/MdePkg/Library/BaseCpuLib/LoongArch/CpuFlushTlb.S new file mode 100644 index 0000000000..8b792f0a37 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/LoongArch/CpuFlushTlb.S @@ -0,0 +1,15 @@ +#------------------------------------------------------------------------------ +# +# CpuFlushTlb() for LoongArch64 +# +# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(CpuFlushTlb) + +ASM_PFX(CpuFlushTlb): + tlbflush + jirl $zero, $ra, 0 + .end diff --git a/MdePkg/Library/BaseCpuLib/LoongArch/CpuSleep.S b/MdePkg/Library/BaseCpuLib/LoongArch/CpuSleep.S new file mode 100644 index 0000000000..eb31b10714 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/LoongArch/CpuSleep.S @@ -0,0 +1,15 @@ +#------------------------------------------------------------------------------ +# +# CpuSleep() for LoongArch64 +# +# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(CpuSleep) + +ASM_PFX(CpuSleep): + idle 0 + jirl $zero, $ra, 0 + .end -- 2.27.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#93508): https://edk2.groups.io/g/devel/message/93508 Mute This Topic: https://groups.io/mt/93542561/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
