diff options
Diffstat (limited to 'arch/blackfin/lib/memmove.S')
| -rw-r--r-- | arch/blackfin/lib/memmove.S | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/arch/blackfin/lib/memmove.S b/arch/blackfin/lib/memmove.S index 2e5fb7f8df1..e0b78208f1d 100644 --- a/arch/blackfin/lib/memmove.S +++ b/arch/blackfin/lib/memmove.S @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/memmove.S - * Based on: - * Author: + * Copyright 2005-2009 Analog Devices Inc. * - * Created: - * Description: - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the Clear BSD license or the GPL-2 (or later) */ #include <linux/linkage.h> @@ -69,12 +46,21 @@ ENTRY(_memmove) P2 = R2; /* set remainder */ R1 = [I0++]; - LSETUP (.Lquad_loop, .Lquad_loop) LC0=P1; -.Lquad_loop: MNOP || [P0++] = R1 || R1 = [I0++]; + LSETUP (.Lquad_loops, .Lquad_loope) LC0=P1; +#if ANOMALY_05000202 +.Lquad_loops: + [P0++] = R1; +.Lquad_loope: + R1 = [I0++]; +#else +.Lquad_loops: +.Lquad_loope: + MNOP || [P0++] = R1 || R1 = [I0++]; +#endif [P0++] = R1; CC = P2 == 0; /* any remaining bytes? */ - P3 = I0; /* Ammend P3 to updated ptr. */ + P3 = I0; /* Amend P3 to updated ptr. */ IF !CC JUMP .Lbytes; P3 = I1; RTS; @@ -93,6 +79,10 @@ ENTRY(_memmove) R1 = B[P3--] (Z); CC = P2 == 0; IF CC JUMP .Lno_loop; +#if ANOMALY_05000245 + NOP; + NOP; +#endif LSETUP (.Lol_s, .Lol_e) LC0 = P2; .Lol_s: B[P0--] = R1; .Lol_e: R1 = B[P3--] (Z); @@ -100,4 +90,4 @@ ENTRY(_memmove) P3 = I1; RTS; -.size _memmove,.-_memmove +ENDPROC(_memmove) |