diff options
Diffstat (limited to 'arch/metag/lib/ip_fast_csum.S')
| -rw-r--r-- | arch/metag/lib/ip_fast_csum.S | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/metag/lib/ip_fast_csum.S b/arch/metag/lib/ip_fast_csum.S deleted file mode 100644 index 441f489..0000000 --- a/arch/metag/lib/ip_fast_csum.S +++ /dev/null @@ -1,33 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - - .text -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - * extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); - * - */ - .global _ip_fast_csum - .type _ip_fast_csum,function -_ip_fast_csum: - !! TXRPT needs loops - 1 - SUBS TXRPT,D0Ar2,#1 - MOV D0Re0,#0 - BLO $Lfast_csum_exit -$Lfast_csum_loop: - GETD D1Ar3,[D1Ar1++] - ADDS D0Re0,D0Re0,D1Ar3 - ADDCS D0Re0,D0Re0,#1 - BR $Lfast_csum_loop - LSR D0Ar4,D0Re0,#16 - AND D0Re0,D0Re0,#0xffff - AND D0Ar4,D0Ar4,#0xffff - ADD D0Re0,D0Re0,D0Ar4 - LSR D0Ar4,D0Re0,#16 - ADD D0Re0,D0Re0,D0Ar4 - XOR D0Re0,D0Re0,#-1 - AND D0Re0,D0Re0,#0xffff -$Lfast_csum_exit: - MOV PC,D1RtP - .size _ip_fast_csum,.-_ip_fast_csum |
