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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S new file mode 100644 index 00000000..275c3cce --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseCpuLib/Arm/CpuFlushTlb.S @@ -0,0 +1,30 @@ +#------------------------------------------------------------------------------ +# +# CpuFlushTlb() for ARM +# +# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +# Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#------------------------------------------------------------------------------ + +.text +.p2align 2 +GCC_ASM_EXPORT(CpuFlushTlb) + +#/** +# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. +# +# Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. +# +#**/ +#VOID +#EFIAPI +#CpuFlushTlb ( +# VOID +# )# +# +ASM_PFX(CpuFlushTlb): + mov r0,#0 + mcr p15,0,r0,c8,c5,0 // Invalidate all the unlocked entried in TLB + bx LR |