diff options
Diffstat (limited to 'arch/frv/lib/outsl_sw.S')
| -rw-r--r-- | arch/frv/lib/outsl_sw.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/frv/lib/outsl_sw.S b/arch/frv/lib/outsl_sw.S new file mode 100644 index 00000000..7eb56d35 --- /dev/null +++ b/arch/frv/lib/outsl_sw.S @@ -0,0 +1,45 @@ +/* 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 |