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-rw-r--r--kernel/arch/frv/lib/outsl_sw.S45
1 files changed, 45 insertions, 0 deletions
diff --git a/kernel/arch/frv/lib/outsl_sw.S b/kernel/arch/frv/lib/outsl_sw.S
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+/* outsl_ns.S: output array of 4b words to device with byte swapping
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * 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.
+ */
+
+
+ .text
+ .p2align 4
+
+###############################################################################
+#
+# void __outsl_sw(unsigned int port, const void *buf, int n)
+#
+###############################################################################
+ .globl __outsl_sw
+ .type __outsl_sw,@function
+__outsl_sw:
+ subi.p gr9,#1,gr9
+ setlos #1,gr4
+0:
+ ldubu @(gr9,gr4),gr5
+ ldubu @(gr9,gr4),gr6
+ slli gr6,#8,gr6
+ ldubu.p @(gr9,gr4),gr7
+ or gr5,gr6,gr5
+ ldubu.p @(gr9,gr4),gr6
+ slli gr7,#16,gr7
+ slli.p gr6,#24,gr6
+ or gr5,gr7,gr5
+ subicc.p gr10,#1,gr10,icc0
+ or gr5,gr6,gr5
+
+ sti.p gr5,@(gr8,#0)
+ bhi icc0,#2,0b
+
+ membar
+ bralr
+
+ .size __outsl_sw, .-__outsl_sw