Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / armv8 / tlb.S

diff --git a/qemu/roms/u-boot/arch/arm/cpu/armv8/tlb.S b/qemu/roms/u-boot/arch/arm/cpu/armv8/tlb.S
new file mode 100644 (file)
index 0000000..f840b04
--- /dev/null
+++ b/qemu/roms/u-boot/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)