diff options
Diffstat (limited to 'arch/frv/lib/outsl_ns.S')
| -rw-r--r-- | arch/frv/lib/outsl_ns.S | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/frv/lib/outsl_ns.S b/arch/frv/lib/outsl_ns.S new file mode 100644 index 00000000000..4cd4c46a696 --- /dev/null +++ b/arch/frv/lib/outsl_ns.S @@ -0,0 +1,59 @@ +/* outsl_ns.S: output array of 4b words to device without 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_ns(unsigned int port, const void *buf, int n) +# +############################################################################### + .globl __outsl_ns + .type __outsl_ns,@function +__outsl_ns: + andicc.p gr9,#3,gr0,icc0 + setlos #4,gr4 + bne icc0,#0,__outsl_ns_misaligned + subi gr9,#4,gr9 +0: + ldu.p @(gr9,gr4),gr5 + subicc gr10,#1,gr10,icc0 + sti.p gr5,@(gr8,#0) + bhi icc0,#2,0b + + membar + bralr + +__outsl_ns_misaligned: + subi.p gr9,#1,gr9 + setlos #1,gr4 +0: + ldubu @(gr9,gr4),gr5 + ldubu.p @(gr9,gr4),gr6 + slli gr5,#8,gr5 + ldubu.p @(gr9,gr4),gr7 + or gr5,gr6,gr5 + ldubu.p @(gr9,gr4),gr6 + slli gr5,#16,gr5 + slli.p gr7,#8,gr7 + or gr5,gr6,gr5 + subicc.p gr10,#1,gr10,icc0 + or gr5,gr7,gr5 + + sti.p gr5,@(gr8,#0) + bhi icc0,#2,0b + + membar + bralr + + .size __outsl_ns, .-__outsl_ns |