summaryrefslogtreecommitdiffstats
path: root/arch/sparc/lib/U3copy_from_user.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc/lib/U3copy_from_user.S')
-rw-r--r--arch/sparc/lib/U3copy_from_user.S27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S
new file mode 100644
index 000000000..9c891e9ed
--- /dev/null
+++ b/arch/sparc/lib/U3copy_from_user.S
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* U3copy_from_user.S: UltraSparc-III optimized copy from userspace.
+ *
+ * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com)
+ */
+
+#define EX_LD(x,y) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, y; \
+ .text; \
+ .align 4;
+
+#define EX_LD_FP(x,y) \
+98: x; \
+ .section __ex_table,"a";\
+ .align 4; \
+ .word 98b, y##_fp; \
+ .text; \
+ .align 4;
+
+#define FUNC_NAME U3copy_from_user
+#define LOAD(type,addr,dest) type##a [addr] %asi, dest
+#define EX_RETVAL(x) 0
+
+#include "U3memcpy.S"