REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4053 Add LoongArch LOONGARCH64 BaseLib functions. Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Liming Gao <gaoliming@byosoft.com.cn> Cc: Zhiguang Liu <zhiguang.liu@intel.com> Signed-off-by: Chao Li <lichao@loongson.cn> Co-authored-by: Baoqi Zhang <zhangbaoqi@loongson.cn> Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
32 lines
698 B
ArmAsm
32 lines
698 B
ArmAsm
#------------------------------------------------------------------------------
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#
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# CpuPause for LoongArch
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#
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# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#------------------------------------------------------------------------------
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ASM_GLOBAL ASM_PFX(CpuPause)
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#/**
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# Requests CPU to pause for a short period of time.
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#
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# Requests CPU to pause for a short period of time. Typically used in MP
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# systems to prevent memory starvation while waiting for a spin lock.
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#
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#**/
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ASM_PFX(CpuPause):
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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jirl $zero, $ra, 0
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.end
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