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in_cksum() support for SPARC

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This commit is contained in:
Sebastian Huber 2012-04-17 11:39:36 +02:00
parent edd344ae1b
commit 47944816cc
3 changed files with 91 additions and 0 deletions
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3
Makefile
View File

@ -408,6 +408,9 @@ endif
ifeq ($(RTEMS_CPU), powerpc) ifeq ($(RTEMS_CPU), powerpc)
C_FILES += freebsd/powerpc/powerpc/in_cksum.c C_FILES += freebsd/powerpc/powerpc/in_cksum.c
endif endif
ifeq ($(RTEMS_CPU), sparc)
C_FILES += freebsd/netinet/in_cksum.c
endif
ifeq ($(RTEMS_CPU), sparc64) ifeq ($(RTEMS_CPU), sparc64)
C_FILES += freebsd/sparc64/sparc64/in_cksum.c C_FILES += freebsd/sparc64/sparc64/in_cksum.c
endif endif

11
freebsd-to-rtems.py
View File

@ -1962,6 +1962,11 @@ pf.addSourceFiles(
# in_chksum Module # in_chksum Module
in_cksum = Module('in_cksum') in_cksum = Module('in_cksum')
in_cksum.addRTEMSHeaderFiles(
[
'sparc/include/freebsd/machine/in_cksum.h',
]
)
in_cksum.addCPUDependentHeaderFiles( in_cksum.addCPUDependentHeaderFiles(
[ [
'arm/include/in_cksum.h', 'arm/include/in_cksum.h',
@ -1996,6 +2001,12 @@ in_cksum.addCPUDependentSourceFiles(
'powerpc/powerpc/in_cksum.c', 'powerpc/powerpc/in_cksum.c',
] ]
) )
in_cksum.addCPUDependentSourceFiles(
'sparc',
[
'netinet/in_cksum.c',
]
)
in_cksum.addCPUDependentSourceFiles( in_cksum.addCPUDependentSourceFiles(
'sparc64', 'sparc64',
[ [

77
rtemsbsd/sparc/include/freebsd/machine/in_cksum.h Normal file
View File

@ -0,0 +1,77 @@
/*-
* 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
* from: src/sys/alpha/include/in_cksum.h,v 1.7 2005/03/02 21:33:20 joerg
* $FreeBSD$
*/
#ifndef _MACHINE_IN_CKSUM_H_
#define _MACHINE_IN_CKSUM_H_ 1
#include <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.
*/
#ifdef __CC_SUPPORTS___INLINE
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));
}
#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
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);
u_short in_cksum_skip(struct mbuf *m, int len, int skip);
#endif
#endif /* _MACHINE_IN_CKSUM_H_ */