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
+