GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
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+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2013
+ * David Feng <fenghua@phytium.com.cn>
+ */
+
+#include <asm-offsets.h>
+#include <config.h>
+#include <linux/linkage.h>
+#include <asm/macro.h>
+
+/*
+ * void __asm_invalidate_tlb_all(void)
+ *
+ * invalidate all tlb entries.
+*/
+.pushsection .text.__asm_invalidate_tlb_all, "ax"
+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)
+.popsection