diff options
Diffstat (limited to 'MdePkg/Library/BaseCpuLib/LoongArch/EnableFpu.S')
| -rw-r--r-- | MdePkg/Library/BaseCpuLib/LoongArch/EnableFpu.S | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseCpuLib/LoongArch/EnableFpu.S b/MdePkg/Library/BaseCpuLib/LoongArch/EnableFpu.S new file mode 100644 index 0000000000..3e4f7411f1 --- /dev/null +++ b/MdePkg/Library/BaseCpuLib/LoongArch/EnableFpu.S @@ -0,0 +1,17 @@ +#------------------------------------------------------------------------------
+#
+# EnableFloatingPointUnits() for LoongArch64
+#
+# Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#------------------------------------------------------------------------------
+ASM_GLOBAL ASM_PFX(EnableFloatingPointUnits)
+
+ASM_PFX(EnableFloatingPointUnits):
+ li.w $t0, 0x1
+ csrxchg $t0, $t0, 0x2
+
+ jirl $zero, $ra, 0
+ .end
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