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Adding InitializeFloatingPointUnits, EnableFloatingPointUnits and DisableFloatingPointUnits functions for LoongArch64. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584 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> Acked-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
18 lines
531 B
ArmAsm
18 lines
531 B
ArmAsm
#------------------------------------------------------------------------------
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#
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# DisableFloatingPointUnits() for LoongArch64
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#
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# Copyright (c) 2024, 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(DisableFloatingPointUnits)
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ASM_PFX(DisableFloatingPointUnits):
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li.w $t0, 0x1
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csrxchg $zero, $t0, 0x2
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jirl $zero, $ra, 0
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.end
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