diff options
Diffstat (limited to 'arch/arm/cpu/armv8/tlb.S')
| -rw-r--r-- | arch/arm/cpu/armv8/tlb.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/tlb.S b/arch/arm/cpu/armv8/tlb.S new file mode 100644 index 0000000..f840b04 --- /dev/null +++ b/arch/arm/cpu/armv8/tlb.S @@ -0,0 +1,34 @@ +/* + * (C) Copyright 2013 + * David Feng <fenghua@phytium.com.cn> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm-offsets.h> +#include <config.h> +#include <version.h> +#include <linux/linkage.h> +#include <asm/macro.h> + +/* + * void __asm_invalidate_tlb_all(void) + * + * invalidate all tlb entries. + */ +ENTRY(__asm_invalidate_tlb_all) + switch_el x9, 3f, 2f, 1f +3: tlbi alle3 + dsb sy + isb + b 0f +2: tlbi alle2 + dsb sy + isb + b 0f +1: tlbi vmalle1 + dsb sy + isb +0: + ret +ENDPROC(__asm_invalidate_tlb_all) |