diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-10-09 22:42:09 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-10-10 09:06:58 +0200 |
commit | bceabc95c1c85d793200446fa85f1ddc6313ea29 (patch) | |
tree | 973c8bd8deca9fd69913f2895cc91e0e6114d46c /freebsd/sys/avr | |
parent | Add FreeBSD sources as a submodule (diff) | |
download | rtems-libbsd-bceabc95c1c85d793200446fa85f1ddc6313ea29.tar.bz2 |
Move files to match FreeBSD layout
Diffstat (limited to 'freebsd/sys/avr')
-rw-r--r-- | freebsd/sys/avr/include/machine/in_cksum.h | 142 | ||||
-rw-r--r-- | freebsd/sys/avr/pci/pci_bus.c | 71 |
2 files changed, 213 insertions, 0 deletions
diff --git a/freebsd/sys/avr/include/machine/in_cksum.h b/freebsd/sys/avr/include/machine/in_cksum.h new file mode 100644 index 00000000..1f7dbac7 --- /dev/null +++ b/freebsd/sys/avr/include/machine/in_cksum.h @@ -0,0 +1,142 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from tahoe: in_cksum.c 1.2 86/01/05 + * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91 + * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp + * $FreeBSD$ + */ + +#ifndef _MACHINE_IN_CKSUM_HH_ +#define _MACHINE_IN_CKSUM_HH_ 1 + +#ifndef _SYS_CDEFS_HH_ +#error this file needs sys/cdefs.h as a prerequisite +#endif + +/* + * MP safe (alfred) + */ + +#include <freebsd/sys/cdefs.h> + +#define in_cksum(m, len) in_cksum_skip(m, len, 0) + +/* + * It it useful to have an Internet checksum routine which is inlineable + * and optimized specifically for the task of computing IP header checksums + * in the normal case (where there are no options and the header length is + * therefore always exactly five 32-bit words. + */ +#if defined(__GNUCLIKE_ASM) && !defined(__INTEL_COMPILER) +static __inline u_int +in_cksum_hdr(const struct ip *ip) +{ + u_int sum = 0; + + __asm( + "addl %1, %0\n" + "adcl %2, %0\n" + "adcl %3, %0\n" + "adcl %4, %0\n" + "adcl %5, %0\n" + "adcl $0, %0" + : "+r" (sum) + : "g" (((const u_int32_t *)ip)[0]), + "g" (((const u_int32_t *)ip)[1]), + "g" (((const u_int32_t *)ip)[2]), + "g" (((const u_int32_t *)ip)[3]), + "g" (((const u_int32_t *)ip)[4]) + : "cc" + ); + sum = (sum & 0xffff) + (sum >> 16); + if (sum > 0xffff) + sum -= 0xffff; + + return ~sum & 0xffff; +} + +static __inline void +in_cksum_update(struct ip *ip) +{ + int __tmpsum; + __tmpsum = (int)ntohs(ip->ip_sum) + 256; + ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); +} + +static __inline u_short +in_addword(u_short sum, u_short b) +{ + __asm( + "addw %1, %0\n" + "adcw $0, %0" + : "+r" (sum) + : "g" (b) + : "cc" + ); + return (sum); +} + +static __inline u_short +in_pseudo(u_int sum, u_int b, u_int c) +{ + __asm( + "addl %1, %0\n" + "adcl %2, %0\n" + "adcl $0, %0" + : "+r" (sum) + : "g" (b), + "g" (c) + : "cc" + ); + sum = (sum & 0xffff) + (sum >> 16); + if (sum > 0xffff) + sum -= 0xffff; + return (sum); +} + +#else +#define in_cksum_update(ip) \ + do { \ + int __tmpsum; \ + __tmpsum = (int)ntohs(ip->ip_sum) + 256; \ + ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); \ + } while(0) + +#endif + +#ifdef _KERNEL +#if !defined(__GNUCLIKE_ASM) || defined(__INTEL_COMPILER) +u_int in_cksum_hdr(const struct ip *ip); +u_short in_addword(u_short sum, u_short b); +u_short in_pseudo(u_int sum, u_int b, u_int c); +#endif +u_short in_cksum_skip(struct mbuf *m, int len, int skip); +#endif /* _KERNEL */ + +#endif /* _MACHINE_IN_CKSUM_HH_ */ diff --git a/freebsd/sys/avr/pci/pci_bus.c b/freebsd/sys/avr/pci/pci_bus.c new file mode 100644 index 00000000..62cd96c1 --- /dev/null +++ b/freebsd/sys/avr/pci/pci_bus.c @@ -0,0 +1,71 @@ +#include <freebsd/machine/rtems-bsd-config.h> + +/** + * @file + * + * @ingroup rtems_bsd_rtems + * + * @brief This file contains methods that are rtems specific implementation + * of methods in pci_bus.c. + */ + +/* + * COPYRIGHT (c) 2012. On-Line Applications Research Corporation (OAR). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <freebsd/sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <freebsd/local/opt_cpu.h> + +#include <freebsd/sys/param.h> +#include <freebsd/sys/systm.h> +#include <freebsd/sys/bus.h> +#include <freebsd/sys/kernel.h> + +#include <freebsd/dev/pci/pcivar.h> +#include <freebsd/dev/pci/pcireg.h> +#include <freebsd/dev/pci/pcib_private.h> +#include <freebsd/machine/resource.h> + +#include <freebsd/local/pcib_if.h> +#include <rtems/pci.h> +#include <freebsd/machine/bus.h> + +int +pcibios_pcib_route_interrupt(device_t pcib, device_t dev, int pin) +{ + int bus; + int slot; + int func; + uint8_t irq; + + bus = pci_get_bus(dev); + slot = pci_get_slot(dev); + func = pci_get_function(dev); + + pci_read_config_byte(bus, slot, func, PCI_INTERRUPT_LINE, &irq); + return irq; +} |