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Index: arm64/arm64/cpufunc_asm.S
===================================================================
--- arm64/arm64/cpufunc_asm.S
+++ arm64/arm64/cpufunc_asm.S
@@ -51,7 +51,7 @@
/*
* Macro to handle the cache. This takes the start address in x0, length
- * in x1. It will corrupt x0, x1, x2, and x3.
+ * in x1. It will corrupt x0, x1, x2, x3, and x4.
*/
.macro cache_handle_range dcop = 0, ic = 0, icop = 0
.if \ic == 0
@@ -64,17 +64,23 @@
and x2, x0, x4 /* Get the low bits of the address */
add x1, x1, x2 /* Add these to the size */
bic x0, x0, x4 /* Clear the low bit of the address */
+.if \ic != 0
+ mov x2, x0 /* Save the address */
+ mov x4, x1 /* Save the size */
+.endif
1:
dc \dcop, x0
- dsb ish
-.if \ic != 0
- ic \icop, x0
- dsb ish
-.endif
add x0, x0, x3 /* Move to the next line */
subs x1, x1, x3 /* Reduce the size */
b.hi 1b /* Check if we are done */
+ dsb ish
.if \ic != 0
+2:
+ ic \icop, x2
+ add x2, x2, x3 /* Move to the next line */
+ subs x4, x4, x3 /* Reduce the size */
+ b.hi 2b /* Check if we are done */
+ dsb ish
isb
.endif
.endm

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