diff options
Diffstat (limited to 'UefiCpuPkg/Library/CpuMmuLib/LoongArch64/TlbInvalid.S')
-rw-r--r-- | UefiCpuPkg/Library/CpuMmuLib/LoongArch64/TlbInvalid.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/TlbInvalid.S b/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/TlbInvalid.S new file mode 100644 index 0000000000..676aada240 --- /dev/null +++ b/UefiCpuPkg/Library/CpuMmuLib/LoongArch64/TlbInvalid.S @@ -0,0 +1,24 @@ +#------------------------------------------------------------------------------
+#
+# Invalid TLB operation function
+#
+# Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#-----------------------------------------------------------------------------
+
+#include <Register/LoongArch64/Csr.h>
+
+ASM_GLOBAL ASM_PFX(InvalidTlb)
+
+#
+# Invalid corresponding TLB entries are based on the address given
+# @param a0 The address corresponding to the invalid page table entry
+# @retval none
+#
+ASM_PFX(InvalidTlb):
+ invtlb INVTLB_ADDR_GTRUE_OR_ASID, $zero, $a0
+ jirl $zero, $ra, 0
+
+ .end
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