02b08045a0
Microblaze little-endian toolchain exports __MICROBLAZEEL__ which is used in the kernel to identify little/big endian. The most of the changes are in loading values from DTB which is always big endian. Little endian platforms are based on new AXI bus which has impact to early uartlite initialization. Signed-off-by: Michal Simek <monstr@monstr.eu>
40 lines
961 B
C
40 lines
961 B
C
/*
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* Copyright (C) 2008 Michal Simek <monstr@monstr.eu>
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* Copyright (C) 2006 Atmark Techno, Inc.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#ifndef _ASM_MICROBLAZE_CHECKSUM_H
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#define _ASM_MICROBLAZE_CHECKSUM_H
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/*
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* computes the checksum of the TCP/UDP pseudo-header
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* returns a 16-bit checksum, already complemented
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*/
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#define csum_tcpudp_nofold csum_tcpudp_nofold
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static inline __wsum
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csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
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unsigned short proto, __wsum sum)
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{
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__asm__("add %0, %0, %1\n\t"
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"addc %0, %0, %2\n\t"
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"addc %0, %0, %3\n\t"
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"addc %0, %0, r0\n\t"
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: "+&d" (sum)
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: "d" (saddr), "d" (daddr),
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#ifdef __MICROBLAZEEL__
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"d" ((len + proto) << 8)
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#else
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"d" (len + proto)
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#endif
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);
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return sum;
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}
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#include <asm-generic/checksum.h>
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#endif /* _ASM_MICROBLAZE_CHECKSUM_H */
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