1 files changed, 67 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/xor.h b/arch/powerpc/include/asm/xor.h
index c82eb12a5b18..0abb97f3be10 100644
--- a/arch/powerpc/include/asm/xor.h
+++ b/arch/powerpc/include/asm/xor.h
@@ -1 +1,68 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2012
+ *
+ * Author: Anton Blanchard <anton@au.ibm.com>
+ */
+#ifndef _ASM_POWERPC_XOR_H
+#define _ASM_POWERPC_XOR_H
+
+#ifdef CONFIG_ALTIVEC
+
+#include <asm/cputable.h>
+
+void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
+                   unsigned long *v2_in);
+void xor_altivec_3(unsigned long bytes, unsigned long *v1_in,
+                   unsigned long *v2_in, unsigned long *v3_in);
+void xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
+                   unsigned long *v2_in, unsigned long *v3_in,
+                   unsigned long *v4_in);
+void xor_altivec_5(unsigned long bytes, unsigned long *v1_in,
+                   unsigned long *v2_in, unsigned long *v3_in,
+                   unsigned long *v4_in, unsigned long *v5_in);
+
+static struct xor_block_template xor_block_altivec = {
+        .name = "altivec",
+        .do_2 = xor_altivec_2,
+        .do_3 = xor_altivec_3,
+        .do_4 = xor_altivec_4,
+        .do_5 = xor_altivec_5,
+};
+
+#define XOR_SPEED_ALTIVEC()                             \
+        do {                                            \
+                if (cpu_has_feature(CPU_FTR_ALTIVEC))   \
+                        xor_speed(&xor_block_altivec);  \
+        } while (0)
+#else
+#define XOR_SPEED_ALTIVEC()
+#endif
+
+/* Also try the generic routines. */
 #include <asm-generic/xor.h>
+
+#undef XOR_TRY_TEMPLATES
+#define XOR_TRY_TEMPLATES                               \
+do {                                                    \
+        xor_speed(&xor_block_8regs);                    \
+        xor_speed(&xor_block_8regs_p);                  \
+        xor_speed(&xor_block_32regs);                   \
+        xor_speed(&xor_block_32regs_p);                 \
+        XOR_SPEED_ALTIVEC();                            \
+} while (0)
+
+#endif /* _ASM_POWERPC_XOR_H */