diff options
Diffstat (limited to 'include/asm-sh/checksum.h')
| -rw-r--r-- | include/asm-sh/checksum.h | 96 |
1 files changed, 39 insertions, 57 deletions
diff --git a/include/asm-sh/checksum.h b/include/asm-sh/checksum.h index ae0272e9b..846e64509 100644 --- a/include/asm-sh/checksum.h +++ b/include/asm-sh/checksum.h @@ -55,24 +55,6 @@ unsigned int csum_partial_copy_from_user ( const char *src, char *dst, return csum_partial_copy_generic ( src, dst, len, sum, err_ptr, NULL); } -#if 0 - -/* Not used at the moment. It is difficult to imagine for what purpose - it can be used :-) Please, do not forget to verify_area before it --ANK - */ - -/* - * This combination is currently not used, but possible: - */ - -extern __inline__ -unsigned int csum_partial_copy_to_user ( const char *src, char *dst, - int len, int sum, int *err_ptr) -{ - return csum_partial_copy_generic ( src, dst, len, sum, NULL, err_ptr); -} -#endif - /* * These are the old (and unsafe) way of doing checksums, a warning message will be * printed if they are used and an exeption occurs. @@ -91,12 +73,12 @@ static __inline__ unsigned int csum_fold(unsigned int sum) { unsigned int __dummy; __asm__("clrt\n\t" - "mov %0,%1\n\t" + "mov %0, %1\n\t" "shll16 %0\n\t" - "addc %0,%1\n\t" + "addc %0, %1\n\t" "movt %0\n\t" "shlr16 %1\n\t" - "add %1,%0" + "add %1, %0" : "=r" (sum), "=&r" (__dummy) : "0" (sum)); return ~sum; @@ -114,24 +96,24 @@ static __inline__ unsigned short ip_fast_csum(unsigned char * iph, unsigned int unsigned int sum, __dummy; __asm__ __volatile__( - "mov.l @%1+,%0\n\t" - "add #-4,%2\n\t" + "mov.l @%1+, %0\n\t" + "add #-4, %2\n\t" "clrt\n\t" - "mov.l @%1+,%3\n\t" - "addc %3,%0\n\t" - "mov.l @%1+,%3\n\t" - "addc %3,%0\n\t" - "mov.l @%1+,%3\n\t" - "addc %3,%0\n" + "mov.l @%1+, %3\n\t" + "addc %3, %0\n\t" + "mov.l @%1+, %3\n\t" + "addc %3, %0\n\t" + "mov.l @%1+, %3\n\t" + "addc %3, %0\n" "1:\t" - "mov.l @%1+,%3\n\t" - "addc %3,%0\n\t" + "mov.l @%1+, %3\n\t" + "addc %3, %0\n\t" "movt %3\n\t" "dt %2\n\t" "bf/s 1b\n\t" - " cmp/eq #1,%3\n\t" - "mov #0,%3\n\t" - "addc %3,%0\n\t" + " cmp/eq #1, %3\n\t" + "mov #0, %3\n\t" + "addc %3, %0\n\t" /* Since the input registers which are loaded with iph and ihl are modified, we must also specify them as outputs, or gcc will assume they contain their original values. */ @@ -153,11 +135,11 @@ static __inline__ unsigned long csum_tcpudp_nofold(unsigned long saddr, unsigned long len_proto = (proto<<16)+len; #endif __asm__("clrt\n\t" - "addc %0,%1\n\t" - "addc %2,%1\n\t" - "addc %3,%1\n\t" + "addc %0, %1\n\t" + "addc %2, %1\n\t" + "addc %3, %1\n\t" "movt %0\n\t" - "add %1,%0" + "add %1, %0" : "=r" (sum), "=r" (len_proto) : "r" (daddr), "r" (saddr), "1" (len_proto), "0" (sum)); return sum; @@ -195,26 +177,26 @@ static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr, { unsigned int __dummy; __asm__("clrt\n\t" - "mov.l @(0,%2),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(4,%2),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(8,%2),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(12,%2),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(0,%3),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(4,%3),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(8,%3),%1\n\t" - "addc %1,%0\n\t" - "mov.l @(12,%3),%1\n\t" - "addc %1,%0\n\t" - "addc %4,%0\n\t" - "addc %5,%0\n\t" + "mov.l @(0,%2), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(4,%2), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(8,%2), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(12,%2), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(0,%3), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(4,%3), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(8,%3), %1\n\t" + "addc %1, %0\n\t" + "mov.l @(12,%3), %1\n\t" + "addc %1, %0\n\t" + "addc %4, %0\n\t" + "addc %5, %0\n\t" "movt %1\n\t" - "add %1,%0\n" + "add %1, %0\n" : "=r" (sum), "=&r" (__dummy) : "r" (saddr), "r" (daddr), "r" (htonl(len)), "r" (htonl(proto)), "0" (sum)); |