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e5b5073153
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>
52 lines
1.3 KiB
ArmAsm
52 lines
1.3 KiB
ArmAsm
#------------------------------------------------------------------------------
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#
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# InitializeFloatingPointUnits() 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(InitializeFloatingPointUnits)
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ASM_PFX(InitializeFloatingPointUnits):
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li.d $t0, 0x0 // RNE mode
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movgr2fcsr $r0, $t0
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li.d $t1, -1 // SNaN
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movgr2fr.d $f0, $t1
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movgr2fr.d $f1, $t1
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movgr2fr.d $f2, $t1
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movgr2fr.d $f3, $t1
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movgr2fr.d $f4, $t1
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movgr2fr.d $f5, $t1
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movgr2fr.d $f6, $t1
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movgr2fr.d $f7, $t1
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movgr2fr.d $f8, $t1
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movgr2fr.d $f9, $t1
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movgr2fr.d $f10, $t1
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movgr2fr.d $f11, $t1
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movgr2fr.d $f12, $t1
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movgr2fr.d $f13, $t1
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movgr2fr.d $f14, $t1
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movgr2fr.d $f15, $t1
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movgr2fr.d $f16, $t1
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movgr2fr.d $f17, $t1
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movgr2fr.d $f18, $t1
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movgr2fr.d $f19, $t1
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movgr2fr.d $f20, $t1
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movgr2fr.d $f21, $t1
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movgr2fr.d $f22, $t1
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movgr2fr.d $f23, $t1
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movgr2fr.d $f24, $t1
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movgr2fr.d $f25, $t1
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movgr2fr.d $f26, $t1
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movgr2fr.d $f27, $t1
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movgr2fr.d $f28, $t1
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movgr2fr.d $f29, $t1
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movgr2fr.d $f30, $t1
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movgr2fr.d $f31, $t1
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jirl $zero, $ra, 0
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.end
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