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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-13 03:28:04 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 07:13:03 (GMT) |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_blackfin/memset.S | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
download | u-boot-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.xz |
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/memset.S')
-rw-r--r-- | lib_blackfin/memset.S | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/lib_blackfin/memset.S b/lib_blackfin/memset.S deleted file mode 100644 index 26f63cd..0000000 --- a/lib_blackfin/memset.S +++ /dev/null @@ -1,96 +0,0 @@ -/* - * File: memset.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 MEMSET - * R0 = address (leave unchanged to form result) - * R1 = filler byte - * R2 = count - * Favours word aligned data. - */ - -.globl _memset; -.type _memset, STT_FUNC; -_memset: - P0 = R0 ; /* P0 = address */ - P2 = R2 ; /* P2 = count */ - R3 = R0 + R2; /* end */ - CC = R2 <= 7(IU); - IF CC JUMP .Ltoo_small; - R1 = R1.B (Z); /* R1 = fill char */ - R2 = 3; - R2 = R0 & R2; /* addr bottom two bits */ - CC = R2 == 0; /* AZ set if zero. */ - IF !CC JUMP .Lforce_align ; /* Jump if addr not aligned. */ - -.Laligned: - P1 = P2 >> 2; /* count = n/4 */ - R2 = R1 << 8; /* create quad filler */ - R2.L = R2.L + R1.L(NS); - R2.H = R2.L + R1.H(NS); - P2 = R3; - - LSETUP (.Lquad_loop , .Lquad_loop) LC0=P1; -.Lquad_loop: - [P0++] = R2; - - CC = P0 == P2; - IF !CC JUMP .Lbytes_left; - RTS; - -.Lbytes_left: - R2 = R3; /* end point */ - R3 = P0; /* current position */ - R2 = R2 - R3; /* bytes left */ - P2 = R2; - -.Ltoo_small: - CC = P2 == 0; /* Check zero count */ - IF CC JUMP .Lfinished; /* Unusual */ - -.Lbytes: - LSETUP (.Lbyte_loop , .Lbyte_loop) LC0=P2; -.Lbyte_loop: - B[P0++] = R1; - -.Lfinished: - RTS; - -.Lforce_align: - CC = BITTST (R0, 0); /* odd byte */ - R0 = 4; - R0 = R0 - R2; - P1 = R0; - R0 = P0; /* Recover return address */ - IF !CC JUMP .Lskip1; - B[P0++] = R1; -.Lskip1: - CC = R2 <= 2; /* 2 bytes */ - P2 -= P1; /* reduce count */ - IF !CC JUMP .Laligned; - B[P0++] = R1; - B[P0++] = R1; - JUMP .Laligned; - -.size _memset, .-_memset |