File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/cris/arch-v32/kernel/cacheflush.S b/arch/cris/arch-v32/kernel/cacheflush.S
new file mode 100644
index 0000000..6fc3d95
--- /dev/null
+++ b/arch/cris/arch-v32/kernel/cacheflush.S
@@ -0,0 +1,99 @@
+	.global cris_flush_cache_range
+	.type	cris_flush_cache_range, @function
+cris_flush_cache_range:
+	move.d 1024, $r12
+	cmp.d $r11, $r12
+	bhi cris_flush_1KB
+	nop
+	add.d $r10, $r11
+	ftagd [$r10]
+cris_flush_last:
+	addq 32, $r10
+	cmp.d $r11, $r10
+	blt cris_flush_last
+	ftagd [$r10]
+	ret
+	nop
+cris_flush_1KB:
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ftagd [$r10]
+	addq 32, $r10
+	ba cris_flush_cache_range
+	sub.d $r12, $r11
+	.size	cris_flush_cache_range, . - cris_flush_cache_range
+
+	.global cris_flush_cache
+	.type	cris_flush_cache, @function
+cris_flush_cache:
+	moveq 0, $r10
+cris_flush_line:
+	move.d 16*1024, $r11
+	addq 16, $r10
+	cmp.d $r10, $r11
+	blt cris_flush_line
+	fidxd [$r10]
+	ret
+	nop
+	.size	cris_flush_cache, . - cris_flush_cache
+