diff options
Diffstat (limited to 'arch/blackfin/lib')
29 files changed, 477 insertions, 776 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 42768e0c80c..00000000000 --- a/arch/blackfin/lib/checksum.c +++ /dev/null @@ -1,140 +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 <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. - */ -unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) -{ - return ~do_csum(iph, ihl * 4); -} - -/* - * 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 - */ -unsigned int csum_partial(const unsigned char *buff, int len, unsigned int 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; -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ -unsigned short ip_compute_csum(const unsigned char *buff, int len) -{ - return ~do_csum(buff, len); -} - -/* - * copy from fs while checksumming, otherwise like csum_partial - */ - -unsigned int -csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, - int len, int sum, int *csum_err) -{ - if (csum_err) - *csum_err = 0; - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} - -/* - * copy from ds while checksumming, otherwise like csum_partial - */ - -unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst, - int len, int sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} 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 df7b8833a0c..d59608deccc 100644 --- a/arch/blackfin/lib/ins.S +++ b/arch/blackfin/lib/ins.S @@ -1,31 +1,9 @@ /* - * File: arch/blackfin/lib/ins.S - * Based on: - * Author: Bas Vermeulen <bas@buyways.nl> + * arch/blackfin/lib/ins.S - ins{bwl} using hardware loops * - * Created: Tue Mar 22 15:27:24 CEST 2005 - * Description: Implementation of ins{bwl} for BlackFin processors using zero overhead loops. - * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl> - * - * 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 + * Copyright 2004-2008 Analog Devices Inc. + * Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl> + * Licensed under the GPL-2 or later. */ #include <linux/linkage.h> @@ -33,66 +11,108 @@ .align 2 -ENTRY(_insl) - P0 = R0; /* P0 = port */ - cli R3; - P1 = R1; /* P1 = address */ - P2 = R2; /* P2 = count */ - SSYNC; - LSETUP( .Llong_loop_s, .Llong_loop_e) LC0 = P2; -.Llong_loop_s: R0 = [P0]; - [P1++] = R0; - NOP; -.Llong_loop_e: NOP; - sti R3; - RTS; -ENDPROC(_insl) +#ifdef CONFIG_IPIPE +# define DO_CLI \ + [--sp] = rets; \ + [--sp] = (P5:0); \ + sp += -12; \ + call ___ipipe_disable_root_irqs_hw; \ + sp += 12; \ + (P5:0) = [sp++]; +# define CLI_INNER_NOP +#else +# define DO_CLI cli R3; +# define CLI_INNER_NOP nop; nop; nop; +#endif + +#ifdef CONFIG_IPIPE +# define DO_STI \ + sp += -12; \ + call ___ipipe_enable_root_irqs_hw; \ + sp += 12; \ +2: rets = [sp++]; +#else +# define DO_STI 2: sti R3; +#endif + +#ifdef CONFIG_BFIN_INS_LOWOVERHEAD +# define CLI_OUTER DO_CLI; +# define STI_OUTER DO_STI; +# define CLI_INNER 1: +# if ANOMALY_05000416 +# define STI_INNER nop; 2: nop; +# else +# define STI_INNER 2: +# endif +#else +# define CLI_OUTER +# define STI_OUTER +# define CLI_INNER 1: DO_CLI; CLI_INNER_NOP; +# define STI_INNER DO_STI; +#endif + +/* + * Reads on the Blackfin are speculative. In Blackfin terms, this means they + * can be interrupted at any time (even after they have been issued on to the + * external bus), and re-issued after the interrupt occurs. + * + * If a FIFO is sitting on the end of the read, it will see two reads, + * when the core only sees one. The FIFO receives the read which is cancelled, + * and not delivered to the core. + * + * To solve this, interrupts are turned off before reads occur to I/O space. + * There are 3 versions of all these functions + * - turns interrupts off every read (higher overhead, but lower latency) + * - 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.c + * Using the dma related functions are recommended for transferring large + * buffers in/out of FIFOs. + */ + +#define COMMON_INS(func, ops) \ +ENTRY(_ins##func) \ + P0 = R0; /* P0 = port */ \ + CLI_OUTER; /* 3 instructions before first read access */ \ + P1 = R1; /* P1 = address */ \ + P2 = R2; /* P2 = count */ \ + SSYNC; \ + \ + LSETUP(1f, 2f) LC0 = P2; \ + CLI_INNER; \ + ops; \ + STI_INNER; \ + \ + STI_OUTER; \ + RTS; \ +ENDPROC(_ins##func) -ENTRY(_insw) - P0 = R0; /* P0 = port */ - cli R3; - P1 = R1; /* P1 = address */ - P2 = R2; /* P2 = count */ - SSYNC; - LSETUP( .Lword_loop_s, .Lword_loop_e) LC0 = P2; -.Lword_loop_s: R0 = W[P0]; - W[P1++] = R0; - NOP; -.Lword_loop_e: NOP; - sti R3; - RTS; -ENDPROC(_insw) +COMMON_INS(l, \ + R0 = [P0]; \ + [P1++] = R0; \ +) -ENTRY(_insb) - P0 = R0; /* P0 = port */ - cli R3; - P1 = R1; /* P1 = address */ - P2 = R2; /* P2 = count */ - SSYNC; - LSETUP( .Lbyte_loop_s, .Lbyte_loop_e) LC0 = P2; -.Lbyte_loop_s: R0 = B[P0]; - B[P1++] = R0; - NOP; -.Lbyte_loop_e: NOP; - sti R3; - RTS; -ENDPROC(_insb) +COMMON_INS(w, \ + R0 = W[P0]; \ + W[P1++] = R0; \ +) +COMMON_INS(w_8, \ + R0 = W[P0]; \ + B[P1++] = R0; \ + R0 = R0 >> 8; \ + B[P1++] = R0; \ +) +COMMON_INS(b, \ + R0 = B[P0]; \ + B[P1++] = R0; \ +) -ENTRY(_insl_16) - P0 = R0; /* P0 = port */ - cli R3; - P1 = R1; /* P1 = address */ - P2 = R2; /* P2 = count */ - SSYNC; - LSETUP( .Llong16_loop_s, .Llong16_loop_e) LC0 = P2; -.Llong16_loop_s: R0 = [P0]; - W[P1++] = R0; - R0 = R0 >> 16; - W[P1++] = R0; - NOP; -.Llong16_loop_e: NOP; - sti R3; - RTS; -ENDPROC(_insl_16) +COMMON_INS(l_16, \ + R0 = [P0]; \ + W[P1++] = R0; \ + R0 = R0 >> 16; \ + W[P1++] = R0; \ +) 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 new file mode 100644 index 00000000000..abf9b2a515b --- /dev/null +++ b/arch/blackfin/lib/muldi3.S @@ -0,0 +1,74 @@ +/* + * 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; + +#ifdef CONFIG_ARITHMETIC_OPS_L1 +.section .l1.text +#else +.text +#endif + +/* + R1:R0 * R3:R2 + = R1.h:R1.l:R0.h:R0.l * R3.h:R3.l:R2.h:R2.l +[X] = (R1.h * R3.h) * 2^96 +[X] + (R1.h * R3.l + R1.l * R3.h) * 2^80 +[X] + (R1.h * R2.h + R1.l * R3.l + R3.h * R0.h) * 2^64 +[T1] + (R1.h * R2.l + R3.h * R0.l + R1.l * R2.h + R3.l * R0.h) * 2^48 +[T2] + (R1.l * R2.l + R3.l * R0.l + R0.h * R2.h) * 2^32 +[T3] + (R0.l * R2.h + R2.l * R0.h) * 2^16 +[T4] + (R0.l * R2.l) + + We can discard the first three lines marked "X" since we produce + only a 64 bit result. So, we need ten 16-bit multiplies. + + Individual mul-acc results: +[E1] = R1.h * R2.l + R3.h * R0.l + R1.l * R2.h + R3.l * R0.h +[E2] = R1.l * R2.l + R3.l * R0.l + R0.h * R2.h +[E3] = R0.l * R2.h + R2.l * R0.h +[E4] = R0.l * R2.l + + We also need to add high parts from lower-level results to higher ones: + E[n]c = E[n] + (E[n+1]c >> 16), where E4c := E4 + + One interesting property is that all parts of the result that depend + on the sign of the multiplication are discarded. Those would be the + multiplications involving R1.h and R3.h, but only the top 16 bit of + the 32 bit result depend on the sign, and since R1.h and R3.h only + occur in E1, the top half of these results is cut off. + So, we can just use FU mode for all of the 16-bit multiplies, and + ignore questions of when to use mixed mode. */ + +___muldi3: + /* [SP] technically is part of the caller's frame, but we can + use it as scratch space. */ + A0 = R2.H * R1.L, A1 = R2.L * R1.H (FU) || R3 = [SP + 12]; /* E1 */ + A0 += R3.H * R0.L, A1 += R3.L * R0.H (FU) || [SP] = R4; /* E1 */ + A0 += A1; /* E1 */ + R4 = A0.w; + A0 = R0.l * R3.l (FU); /* E2 */ + A0 += R2.l * R1.l (FU); /* E2 */ + + A1 = R2.L * R0.L (FU); /* E4 */ + R3 = A1.w; + A1 = A1 >> 16; /* E3c */ + A0 += R2.H * R0.H, A1 += R2.L * R0.H (FU); /* E2, E3c */ + A1 += R0.L * R2.H (FU); /* E3c */ + R0 = A1.w; + A1 = A1 >> 16; /* E2c */ + A0 += A1; /* E2c */ + R1 = A0.w; + + /* low(result) = low(E3c):low(E4) */ + R0 = PACK (R0.l, R3.l); + /* high(result) = E2c + (E1 << 16) */ + R1.h = R1.h + R4.l (NS) || R4 = [SP]; + RTS; + +.size ___muldi3, .-___muldi3 diff --git a/arch/blackfin/lib/muldi3.c b/arch/blackfin/lib/muldi3.c deleted file mode 100644 index 303d0c6a6db..00000000000 --- a/arch/blackfin/lib/muldi3.c +++ /dev/null @@ -1,99 +0,0 @@ -/* - * File: arch/blackfin/lib/muldi3.c - * Based on: - * Author: - * - * 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 - */ - -#ifndef SI_TYPE_SIZE -#define SI_TYPE_SIZE 32 -#endif -#define __ll_b (1L << (SI_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((usitype) (t) % __ll_b) -#define __ll_highpart(t) ((usitype) (t) / __ll_b) -#define BITS_PER_UNIT 8 - -#if !defined(umul_ppmm) -#define umul_ppmm(w1, w0, u, v) \ - do { \ - usitype __x0, __x1, __x2, __x3; \ - usitype __ul, __vl, __uh, __vh; \ - \ - __ul = __ll_lowpart (u); \ - __uh = __ll_highpart (u); \ - __vl = __ll_lowpart (v); \ - __vh = __ll_highpart (v); \ - \ - __x0 = (usitype) __ul * __vl; \ - __x1 = (usitype) __ul * __vh; \ - __x2 = (usitype) __uh * __vl; \ - __x3 = (usitype) __uh * __vh; \ - \ - __x1 += __ll_highpart (__x0);/* this can't give carry */ \ - __x1 += __x2; /* but this indeed can */ \ - if (__x1 < __x2) /* did we get it? */ \ - __x3 += __ll_b; /* yes, add it in the proper pos. */ \ - \ - (w1) = __x3 + __ll_highpart (__x1); \ - (w0) = __ll_lowpart (__x1) * __ll_b + __ll_lowpart (__x0); \ - } while (0) -#endif - -#if !defined(__umulsidi3) -#define __umulsidi3(u, v) \ - ({diunion __w; \ - umul_ppmm (__w.s.high, __w.s.low, u, v); \ - __w.ll; }) -#endif - -typedef unsigned int usitype __attribute__ ((mode(SI))); -typedef int sitype __attribute__ ((mode(SI))); -typedef int ditype __attribute__ ((mode(DI))); -typedef int word_type __attribute__ ((mode(__word__))); - -struct distruct { - sitype low, high; -}; -typedef union { - struct distruct s; - ditype ll; -} diunion; - -#ifdef CONFIG_ARITHMETIC_OPS_L1 -ditype __muldi3(ditype u, ditype v)__attribute__((l1_text)); -#endif - -ditype __muldi3(ditype u, ditype v) -{ - diunion w; - diunion uu, vv; - - uu.ll = u, vv.ll = v; - w.ll = __umulsidi3(uu.s.low, vv.s.low); - w.s.high += ((usitype) uu.s.low * (usitype) vv.s.high - + (usitype) uu.s.high * (usitype) vv.s.low); - - return w.ll; -} diff --git a/arch/blackfin/lib/outs.S b/arch/blackfin/lib/outs.S index 4c3da8ae094..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 2004-2006 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. */ #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 */ @@ -61,5 +48,21 @@ 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 */ + + LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2; +.Lword8_loop_s: R1 = B[P1++]; + R0 = B[P1++]; + R0 = R0 << 8; + R0 = R0 + R1; +.Lword8_loop_e: W[P0] = R0; +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; |