diff options
Diffstat (limited to 'arch/blackfin/lib')
28 files changed, 296 insertions, 601 deletions
diff --git a/arch/blackfin/lib/Makefile b/arch/blackfin/lib/Makefile index 635288fc5f5..42c47dc9e12 100644 --- a/arch/blackfin/lib/Makefile +++ b/arch/blackfin/lib/Makefile @@ -5,7 +5,7 @@ lib-y := \ ashldi3.o ashrdi3.o lshrdi3.o \ muldi3.o divsi3.o udivsi3.o modsi3.o umodsi3.o \ - checksum.o memcpy.o memset.o memcmp.o memchr.o memmove.o \ + memcpy.o memset.o memcmp.o memchr.o memmove.o \ strcmp.o strcpy.o strncmp.o strncpy.o \ umulsi3_highpart.o smulsi3_highpart.o \ ins.o outs.o diff --git a/arch/blackfin/lib/ashldi3.c b/arch/blackfin/lib/ashldi3.c index a8c279e9b19..ab69d8768af 100644 --- a/arch/blackfin/lib/ashldi3.c +++ b/arch/blackfin/lib/ashldi3.c @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/ashldi3.c - * Based on: - * Author: + * Copyright 2004-2009 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 GPL-2 or later. */ #include "gcclib.h" diff --git a/arch/blackfin/lib/ashrdi3.c b/arch/blackfin/lib/ashrdi3.c index a0d3419329c..b5b351e82e1 100644 --- a/arch/blackfin/lib/ashrdi3.c +++ b/arch/blackfin/lib/ashrdi3.c @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/ashrdi3.c - * Based on: - * Author: + * Copyright 2004-2009 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 GPL-2 or later. */ #include "gcclib.h" diff --git a/arch/blackfin/lib/checksum.c b/arch/blackfin/lib/checksum.c deleted file mode 100644 index 762a7f02970..00000000000 --- a/arch/blackfin/lib/checksum.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * File: arch/blackfin/lib/checksum.c - * Based on: none - original work - * Author: - * - * Created: - * Description: An implementation of the TCP/IP protocol suite for the LINUX - * operating system. INET is implemented using the BSD Socket - * interface as the means of communication with the user level. - * - * 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 - */ - -#include <linux/module.h> -#include <net/checksum.h> -#include <asm/checksum.h> - -#ifdef CONFIG_IP_CHECKSUM_L1 -static unsigned short do_csum(const unsigned char *buff, int len)__attribute__((l1_text)); -#endif - -static unsigned short do_csum(const unsigned char *buff, int len) -{ - register unsigned long sum = 0; - int swappem = 0; - - if (1 & (unsigned long)buff) { - sum = *buff << 8; - buff++; - len--; - ++swappem; - } - - while (len > 1) { - sum += *(unsigned short *)buff; - buff += 2; - len -= 2; - } - - if (len > 0) - sum += *buff; - - /* Fold 32-bit sum to 16 bits */ - while (sum >> 16) - sum = (sum & 0xffff) + (sum >> 16); - - if (swappem) - sum = ((sum & 0xff00) >> 8) + ((sum & 0x00ff) << 8); - - return sum; - -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - */ -__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl) -{ - return (__force __sum16)~do_csum(iph, ihl * 4); -} -EXPORT_SYMBOL(ip_fast_csum); - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -__wsum csum_partial(const void *buff, int len, __wsum sum) -{ - /* - * Just in case we get nasty checksum data... - * Like 0xffff6ec3 in the case of our IPv6 multicast header. - * We fold to begin with, as well as at the end. - */ - sum = (sum & 0xffff) + (sum >> 16); - - sum += do_csum(buff, len); - - sum = (sum & 0xffff) + (sum >> 16); - - return sum; -} -EXPORT_SYMBOL(csum_partial); - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -__sum16 ip_compute_csum(const void *buff, int len) -{ - return (__force __sum16)~do_csum(buff, len); -} - -/* - * copy from fs while checksumming, otherwise like csum_partial - */ - -__wsum -csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *csum_err) -{ - if (csum_err) - *csum_err = 0; - memcpy(dst, (__force void *)src, len); - return csum_partial(dst, len, sum); -} - -/* - * copy from ds while checksumming, otherwise like csum_partial - */ - -__wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} -EXPORT_SYMBOL(csum_partial_copy); diff --git a/arch/blackfin/lib/divsi3.S b/arch/blackfin/lib/divsi3.S index 2ac59c70dd9..ef2cd99efb8 100644 --- a/arch/blackfin/lib/divsi3.S +++ b/arch/blackfin/lib/divsi3.S @@ -1,10 +1,9 @@ /* - * File: arch/blackfin/lib/divsi3.S - * Based on: - * Author: + * Copyright 2004-2009 Analog Devices Inc. * - * Created: - * Description: 16 / 32 bit signed division. + * Licensed under the Clear BSD license or the GPL-2 (or later) + * + * 16 / 32 bit signed division. * Special cases : * 1) If(numerator == 0) * return 0 @@ -22,25 +21,6 @@ * R0 - Quotient (o) * Registers Used : R2-R7,P0-P2 * - * 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 */ .global ___divsi3; diff --git a/arch/blackfin/lib/gcclib.h b/arch/blackfin/lib/gcclib.h index 9ccd39a135e..724f07f14f8 100644 --- a/arch/blackfin/lib/gcclib.h +++ b/arch/blackfin/lib/gcclib.h @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/gcclib.h - * Based on: - * Author: + * Copyright 2004-2009 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 GPL-2 or later. */ #define BITS_PER_UNIT 8 diff --git a/arch/blackfin/lib/ins.S b/arch/blackfin/lib/ins.S index 1863a6ba507..d59608deccc 100644 --- a/arch/blackfin/lib/ins.S +++ b/arch/blackfin/lib/ins.S @@ -16,7 +16,7 @@ [--sp] = rets; \ [--sp] = (P5:0); \ sp += -12; \ - call ___ipipe_stall_root_raw; \ + call ___ipipe_disable_root_irqs_hw; \ sp += 12; \ (P5:0) = [sp++]; # define CLI_INNER_NOP @@ -28,7 +28,7 @@ #ifdef CONFIG_IPIPE # define DO_STI \ sp += -12; \ - call ___ipipe_unstall_root_raw; \ + call ___ipipe_enable_root_irqs_hw; \ sp += 12; \ 2: rets = [sp++]; #else @@ -66,8 +66,8 @@ * - turns interrupts off every loop (low overhead, but longer latency) * - DMA version, which do not suffer from this issue. DMA versions have * different name (prefixed by dma_ ), and are located in - * ../kernel/bfin_dma_5xx.c - * Using the dma related functions are recommended for transfering large + * ../kernel/bfin_dma.c + * Using the dma related functions are recommended for transferring large * buffers in/out of FIFOs. */ diff --git a/arch/blackfin/lib/lshrdi3.c b/arch/blackfin/lib/lshrdi3.c index 84b9c559222..53f1741047e 100644 --- a/arch/blackfin/lib/lshrdi3.c +++ b/arch/blackfin/lib/lshrdi3.c @@ -1,47 +1,10 @@ /* - * File: arch/blackfin/lib/lshrdi3.c - * Based on: - * Author: + * Copyright 2004-2009 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 GPL-2 or later. */ -#define BITS_PER_UNIT 8 - -typedef int SItype __attribute__ ((mode(SI))); -typedef unsigned int USItype __attribute__ ((mode(SI))); -typedef int DItype __attribute__ ((mode(DI))); -typedef int word_type __attribute__ ((mode(__word__))); - -struct DIstruct { - SItype high, low; -}; - -typedef union { - struct DIstruct s; - DItype ll; -} DIunion; +#include "gcclib.h" #ifdef CONFIG_ARITHMETIC_OPS_L1 DItype __lshrdi3(DItype u, word_type b)__attribute__((l1_text)); diff --git a/arch/blackfin/lib/memchr.S b/arch/blackfin/lib/memchr.S index 5da428134d3..bcfc8a14c3f 100644 --- a/arch/blackfin/lib/memchr.S +++ b/arch/blackfin/lib/memchr.S @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/memchr.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> diff --git a/arch/blackfin/lib/memcmp.S b/arch/blackfin/lib/memcmp.S index 219fa2877c6..2e1c9477f2f 100644 --- a/arch/blackfin/lib/memcmp.S +++ b/arch/blackfin/lib/memcmp.S @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/memcmp.S - * Based on: - * Author: + * Copyright 2004-2009 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> diff --git a/arch/blackfin/lib/memcpy.S b/arch/blackfin/lib/memcpy.S index e654a18a075..53cb3698ab3 100644 --- a/arch/blackfin/lib/memcpy.S +++ b/arch/blackfin/lib/memcpy.S @@ -1,36 +1,13 @@ /* - * File: arch/blackfin/lib/memcpy.S - * Based on: - * Author: + * internal version of memcpy(), issued by the compiler to copy blocks of + * data around. This is really memmove() - it has to be able to deal with + * possible overlaps, because that ambiguity is when the compiler gives up + * and calls a function. We have our own, internal version so that we get + * something we trust, even if the user has redefined the normal symbol. * - * Created: - * Description: internal version of memcpy(), issued by the compiler - * to copy blocks of data around. - * This is really memmove() - it has to be able to deal with - * possible overlaps, because that ambiguity is when the compiler - * gives up and calls a function. We have our own, internal version - * so that we get something we trust, even if the user has redefined - * the normal symbol. + * Copyright 2004-2009 Analog Devices Inc. * - * 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> diff --git a/arch/blackfin/lib/memmove.S b/arch/blackfin/lib/memmove.S index 33f8653145b..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> @@ -83,7 +60,7 @@ ENTRY(_memmove) [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; diff --git a/arch/blackfin/lib/memset.S b/arch/blackfin/lib/memset.S index 8159136a29e..cdcf9148ea2 100644 --- a/arch/blackfin/lib/memset.S +++ b/arch/blackfin/lib/memset.S @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/memset.S - * Based on: - * Author: + * Copyright 2004-2009 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> @@ -43,6 +20,7 @@ * R1 = filler byte * R2 = count * Favours word aligned data. + * The strncpy assumes that I0 and I1 are not used in this function */ ENTRY(_memset) diff --git a/arch/blackfin/lib/modsi3.S b/arch/blackfin/lib/modsi3.S index ca1dd3973b3..f7026ce1fa0 100644 --- a/arch/blackfin/lib/modsi3.S +++ b/arch/blackfin/lib/modsi3.S @@ -1,36 +1,12 @@ /* - * File: arch/blackfin/lib/modsi3.S - * Based on: - * Author: + * This program computes 32 bit signed remainder. It calls div32 function + * for quotient estimation. + * Registers in: R0, R1 = Numerator/ Denominator + * Registers out: R0 = Remainder * - * Created: - * Description: This program computes 32 bit signed remainder. It calls div32 function - * for quotient estimation. + * Copyright 2004-2009 Analog Devices Inc. * - * Registers used : - * Numerator/ Denominator in R0, R1 - * R0 - returns remainder. - * R2-R7 - * - * 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) */ .global ___modsi3; diff --git a/arch/blackfin/lib/muldi3.S b/arch/blackfin/lib/muldi3.S index abde120ee23..abf9b2a515b 100644 --- a/arch/blackfin/lib/muldi3.S +++ b/arch/blackfin/lib/muldi3.S @@ -1,3 +1,9 @@ +/* + * Copyright 2008 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + .align 2 .global ___muldi3; .type ___muldi3, STT_FUNC; diff --git a/arch/blackfin/lib/outs.S b/arch/blackfin/lib/outs.S index 4685b7aa008..06a5e674401 100644 --- a/arch/blackfin/lib/outs.S +++ b/arch/blackfin/lib/outs.S @@ -1,30 +1,11 @@ /* - * File: arch/blackfin/lib/outs.S - * Based on: - * Author: Bas Vermeulen <bas@buyways.nl> + * Implementation of outs{bwl} for BlackFin processors using zero overhead loops. * - * Created: Tue Mar 22 15:27:24 CEST 2005 - * Description: Implementation of outs{bwl} for BlackFin processors using zero overhead loops. + * Copyright 2005-2009 Analog Devices Inc. + * 2005 BuyWays BV + * Bas Vermeulen <bas@buyways.nl> * - * Modified: Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl> - * Copyright 2004-2008 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 GPL-2. */ #include <linux/linkage.h> @@ -32,6 +13,8 @@ .align 2 ENTRY(_outsl) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -39,10 +22,12 @@ ENTRY(_outsl) LSETUP( .Llong_loop_s, .Llong_loop_e) LC0 = P2; .Llong_loop_s: R0 = [P1++]; .Llong_loop_e: [P0] = R0; - RTS; +1: RTS; ENDPROC(_outsl) ENTRY(_outsw) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -50,10 +35,12 @@ ENTRY(_outsw) LSETUP( .Lword_loop_s, .Lword_loop_e) LC0 = P2; .Lword_loop_s: R0 = W[P1++]; .Lword_loop_e: W[P0] = R0; - RTS; +1: RTS; ENDPROC(_outsw) ENTRY(_outsb) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -61,10 +48,12 @@ ENTRY(_outsb) LSETUP( .Lbyte_loop_s, .Lbyte_loop_e) LC0 = P2; .Lbyte_loop_s: R0 = B[P1++]; .Lbyte_loop_e: B[P0] = R0; - RTS; +1: RTS; ENDPROC(_outsb) ENTRY(_outsw_8) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -75,5 +64,5 @@ ENTRY(_outsw_8) R0 = R0 << 8; R0 = R0 + R1; .Lword8_loop_e: W[P0] = R0; - RTS; +1: RTS; ENDPROC(_outsw_8) diff --git a/arch/blackfin/lib/smulsi3_highpart.S b/arch/blackfin/lib/smulsi3_highpart.S index e383cd3eca5..e50d6c4ac2a 100644 --- a/arch/blackfin/lib/smulsi3_highpart.S +++ b/arch/blackfin/lib/smulsi3_highpart.S @@ -1,3 +1,9 @@ +/* + * Copyright 2007 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + .align 2 .global ___smulsi3_highpart; .type ___smulsi3_highpart, STT_FUNC; diff --git a/arch/blackfin/lib/strcmp.S b/arch/blackfin/lib/strcmp.S new file mode 100644 index 00000000000..9c8b9863713 --- /dev/null +++ b/arch/blackfin/lib/strcmp.S @@ -0,0 +1,43 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strcmp(char *s1, const char *s2); + * R0 = address (s1) + * R1 = address (s2) + * + * Returns an integer less than, equal to, or greater than zero if s1 + * (or the first n bytes thereof) is found, respectively, to be less + * than, to match, or be greater than s2. + */ + +#ifdef CONFIG_STRCMP_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strcmp) + P0 = R0 ; /* s1 */ + P1 = R1 ; /* s2 */ + +1: + R0 = B[P0++] (Z); /* get *s1 */ + R1 = B[P1++] (Z); /* get *s2 */ + CC = R0 == R1; /* compare a byte */ + if ! cc jump 2f; /* not equal, break out */ + CC = R0; /* at end of s1? */ + if cc jump 1b (bp); /* no, keep going */ + jump.s 3f; /* strings are equal */ +2: + R0 = R0 - R1; /* *s1 - *s2 */ +3: + RTS; + +ENDPROC(_strcmp) diff --git a/arch/blackfin/lib/strcmp.c b/arch/blackfin/lib/strcmp.c deleted file mode 100644 index fde39a1950c..00000000000 --- a/arch/blackfin/lib/strcmp.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strcmp __inline_strcmp -#include <asm/string.h> -#undef strcmp - -#include <linux/module.h> - -int strcmp(const char *dest, const char *src) -{ - return __inline_strcmp(dest, src); -} -EXPORT_SYMBOL(strcmp); diff --git a/arch/blackfin/lib/strcpy.S b/arch/blackfin/lib/strcpy.S new file mode 100644 index 00000000000..9495aa77cc4 --- /dev/null +++ b/arch/blackfin/lib/strcpy.S @@ -0,0 +1,35 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strcpy(char *dest, const char *src); + * R0 = address (dest) + * R1 = address (src) + * + * Returns a pointer to the destination string dest + */ + +#ifdef CONFIG_STRCPY_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strcpy) + P0 = R0 ; /* dst*/ + P1 = R1 ; /* src*/ + +1: + R1 = B [P1++] (Z); + B [P0++] = R1; + CC = R1; + if cc jump 1b (bp); + RTS; + +ENDPROC(_strcpy) diff --git a/arch/blackfin/lib/strcpy.c b/arch/blackfin/lib/strcpy.c deleted file mode 100644 index 2a8836b1f4d..00000000000 --- a/arch/blackfin/lib/strcpy.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strcpy __inline_strcpy -#include <asm/string.h> -#undef strcpy - -#include <linux/module.h> - -char *strcpy(char *dest, const char *src) -{ - return __inline_strcpy(dest, src); -} -EXPORT_SYMBOL(strcpy); diff --git a/arch/blackfin/lib/strncmp.S b/arch/blackfin/lib/strncmp.S new file mode 100644 index 00000000000..3bfaedce893 --- /dev/null +++ b/arch/blackfin/lib/strncmp.S @@ -0,0 +1,52 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strncpy(char *s1, const char *s2, size_t n); + * R0 = address (dest) + * R1 = address (src) + * R2 = size (n) + * Returns a pointer to the destination string dest + */ + +#ifdef CONFIG_STRNCMP_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strncmp) + CC = R2 == 0; + if CC JUMP 5f; + + P0 = R0 ; /* s1 */ + P1 = R1 ; /* s2 */ +1: + R0 = B[P0++] (Z); /* get *s1 */ + R1 = B[P1++] (Z); /* get *s2 */ + CC = R0 == R1; /* compare a byte */ + if ! cc jump 3f; /* not equal, break out */ + CC = R0; /* at end of s1? */ + if ! cc jump 4f; /* yes, all done */ + R2 += -1; /* no, adjust count */ + CC = R2 == 0; + if ! cc jump 1b (bp); /* more to do, keep going */ +2: + R0 = 0; /* strings are equal */ + jump.s 4f; +3: + R0 = R0 - R1; /* *s1 - *s2 */ +4: + RTS; + +5: + R0 = 0; + RTS; + +ENDPROC(_strncmp) diff --git a/arch/blackfin/lib/strncmp.c b/arch/blackfin/lib/strncmp.c deleted file mode 100644 index 2aaae78a68e..00000000000 --- a/arch/blackfin/lib/strncmp.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strncmp __inline_strncmp -#include <asm/string.h> -#undef strncmp - -#include <linux/module.h> - -int strncmp(const char *cs, const char *ct, size_t count) -{ - return __inline_strncmp(cs, ct, count); -} -EXPORT_SYMBOL(strncmp); diff --git a/arch/blackfin/lib/strncpy.S b/arch/blackfin/lib/strncpy.S new file mode 100644 index 00000000000..92fd1823bbe --- /dev/null +++ b/arch/blackfin/lib/strncpy.S @@ -0,0 +1,85 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> +#include <asm/context.S> + +/* void *strncpy(char *dest, const char *src, size_t n); + * R0 = address (dest) + * R1 = address (src) + * R2 = size + * Returns a pointer (R0) to the destination string dest + * we do this by not changing R0 + */ + +#ifdef CONFIG_STRNCPY_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strncpy) + CC = R2 == 0; + if CC JUMP 6f; + + P2 = R2 ; /* size */ + P0 = R0 ; /* dst*/ + P1 = R1 ; /* src*/ + + LSETUP (1f, 2f) LC0 = P2; +1: + R1 = B [P1++] (Z); + B [P0++] = R1; + CC = R1 == 0; +2: + if CC jump 3f; + + RTS; + + /* if src is shorter than n, we need to null pad bytes in dest + * but, we can get here when the last byte is zero, and we don't + * want to copy an extra byte at the end, so we need to check + */ +3: + R2 = LC0; + CC = R2 + if ! CC jump 6f; + + /* if the required null padded portion is small, do it here, rather than + * handling the overhead of memset (which is OK when things are big). + */ + R3 = 0x20; + CC = R2 < R3; + IF CC jump 4f; + + R2 += -1; + + /* Set things up for memset + * R0 = address + * R1 = filler byte (this case it's zero, set above) + * R2 = count (set above) + */ + + I1 = R0; + R0 = RETS; + I0 = R0; + R0 = P0; + pseudo_long_call _memset, p0; + R0 = I0; + RETS = R0; + R0 = I1; + RTS; + +4: + LSETUP(5f, 5f) LC0; +5: + B [P0++] = R1; +6: + RTS; + +ENDPROC(_strncpy) diff --git a/arch/blackfin/lib/strncpy.c b/arch/blackfin/lib/strncpy.c deleted file mode 100644 index ea1dc6bf237..00000000000 --- a/arch/blackfin/lib/strncpy.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Provide symbol in case str func is not inlined. - * - * Copyright (c) 2006-2007 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#define strncpy __inline_strncpy -#include <asm/string.h> -#undef strncpy - -#include <linux/module.h> - -char *strncpy(char *dest, const char *src, size_t n) -{ - return __inline_strncpy(dest, src, n); -} -EXPORT_SYMBOL(strncpy); diff --git a/arch/blackfin/lib/udivsi3.S b/arch/blackfin/lib/udivsi3.S index 58fd96d7476..748a6a2e8c1 100644 --- a/arch/blackfin/lib/udivsi3.S +++ b/arch/blackfin/lib/udivsi3.S @@ -1,30 +1,7 @@ /* - * File: arch/blackfin/lib/udivsi3.S - * Based on: - * Author: + * Copyright 2004-2009 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> diff --git a/arch/blackfin/lib/umodsi3.S b/arch/blackfin/lib/umodsi3.S index 4f2b76ee762..3794c00d859 100644 --- a/arch/blackfin/lib/umodsi3.S +++ b/arch/blackfin/lib/umodsi3.S @@ -1,30 +1,9 @@ /* - * File: arch/blackfin/lib/umodsi3.S - * Based on: - * Author: + * libgcc1 routines for Blackfin 5xx * - * Created: - * Description: libgcc1 routines for Blackfin 5xx + * Copyright 2004-2009 Analog Devices Inc. * - * 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) */ #ifdef CONFIG_ARITHMETIC_OPS_L1 diff --git a/arch/blackfin/lib/umulsi3_highpart.S b/arch/blackfin/lib/umulsi3_highpart.S index 67b799351e3..0dcace96e4e 100644 --- a/arch/blackfin/lib/umulsi3_highpart.S +++ b/arch/blackfin/lib/umulsi3_highpart.S @@ -1,3 +1,9 @@ +/* + * Copyright 2007 Analog Devices Inc. + * + * Licensed under the Clear BSD license or the GPL-2 (or later) + */ + .align 2 .global ___umulsi3_highpart; .type ___umulsi3_highpart, STT_FUNC; |