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authorSebastian Huber <sebastian.huber@embedded-brains.de>2013-10-09 22:42:09 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2013-10-10 09:06:58 +0200
commitbceabc95c1c85d793200446fa85f1ddc6313ea29 (patch)
tree973c8bd8deca9fd69913f2895cc91e0e6114d46c /freebsd/sys/avr
parentAdd FreeBSD sources as a submodule (diff)
downloadrtems-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.h142
-rw-r--r--freebsd/sys/avr/pci/pci_bus.c71
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;
+}