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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:04 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:03 +0200
commitea0364f1bbfed1e3ea711147420875cf338fe77a (patch)
tree15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_blackfin/memmove.S
parent89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff)
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Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_blackfin/memmove.S')
-rw-r--r--lib_blackfin/memmove.S96
1 files changed, 0 insertions, 96 deletions
diff --git a/lib_blackfin/memmove.S b/lib_blackfin/memmove.S
deleted file mode 100644
index e385c4f..0000000
--- a/lib_blackfin/memmove.S
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * File: memmove.S
- *
- * Copyright 2004-2007 Analog Devices Inc.
- * 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
- */
-
-.align 2
-
-/*
- * C Library function MEMMOVE
- * R0 = To Address (leave unchanged to form result)
- * R1 = From Address
- * R2 = count
- * Data may overlap
- */
-
-.globl _memmove;
-.type _memmove, STT_FUNC;
-_memmove:
- I1 = P3;
- P0 = R0; /* P0 = To address */
- P3 = R1; /* P3 = From Address */
- P2 = R2 ; /* P2 = count */
- CC = P2 == 0; /* Check zero count*/
- IF CC JUMP .Lfinished; /* very unlikely */
-
- CC = R1 < R0 (IU); /* From < To */
- IF !CC JUMP .Lno_overlap;
- R3 = R1 + R2;
- CC = R0 <= R3 (IU); /* (From+len) >= To */
- IF CC JUMP .Loverlap;
-.Lno_overlap:
- R3 = 11;
- CC = R2 <= R3;
- IF CC JUMP .Lbytes;
- R3 = R1 | R0; /* OR addresses together */
- R3 <<= 30; /* check bottom two bits */
- CC = AZ; /* AZ set if zero.*/
- IF !CC JUMP .Lbytes ; /* Jump if addrs not aligned.*/
-
- I0 = P3;
- P1 = P2 >> 2; /* count = n/4 */
- P1 += -1;
- R3 = 3;
- R2 = R2 & R3; /* remainder */
- P2 = R2; /* set remainder */
- R1 = [I0++];
-
- LSETUP (.Lquad_loop , .Lquad_loop) LC0=P1;
-.Lquad_loop: MNOP || [P0++] = R1 || R1 = [I0++];
- [P0++] = R1;
-
- CC = P2 == 0; /* any remaining bytes? */
- P3 = I0; /* Ammend P3 to updated ptr. */
- IF !CC JUMP .Lbytes;
- P3 = I1;
- RTS;
-
-.Lbytes: LSETUP (.Lbyte2_s , .Lbyte2_e) LC0=P2;
-.Lbyte2_s: R1 = B[P3++](Z);
-.Lbyte2_e: B[P0++] = R1;
-
-.Lfinished: P3 = I1;
- RTS;
-
-.Loverlap:
- P2 += -1;
- P0 = P0 + P2;
- P3 = P3 + P2;
- R1 = B[P3--] (Z);
- CC = P2 == 0;
- IF CC JUMP .Lno_loop;
- LSETUP (.Lol_s, .Lol_e) LC0 = P2;
-.Lol_s: B[P0--] = R1;
-.Lol_e: R1 = B[P3--] (Z);
-.Lno_loop: B[P0] = R1;
- P3 = I1;
- RTS;
-
-.size _memmove, .-_memmove