diff options
Diffstat (limited to 'include/asm-mips/checksum.h')
| -rw-r--r-- | include/asm-mips/checksum.h | 159 |
1 files changed, 81 insertions, 78 deletions
diff --git a/include/asm-mips/checksum.h b/include/asm-mips/checksum.h index c1ea5a8714f3..b09f8971e95d 100644 --- a/include/asm-mips/checksum.h +++ b/include/asm-mips/checksum.h @@ -34,8 +34,9 @@ unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum); * this is a new version of the above that records errors it finds in *errp, * but continues and zeros the rest of the buffer. */ -unsigned int csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, int len, - unsigned int sum, int *errp); +unsigned int csum_partial_copy_from_user(const unsigned char __user *src, + unsigned char *dst, int len, + unsigned int sum, int *errp); /* * Copy and checksum to user @@ -70,14 +71,15 @@ unsigned int csum_partial_copy_nocheck(const unsigned char *src, unsigned char * static inline unsigned short int csum_fold(unsigned int sum) { __asm__( - ".set\tnoat\t\t\t# csum_fold\n\t" - "sll\t$1,%0,16\n\t" - "addu\t%0,$1\n\t" - "sltu\t$1,%0,$1\n\t" - "srl\t%0,%0,16\n\t" - "addu\t%0,$1\n\t" - "xori\t%0,0xffff\n\t" - ".set\tat" + " .set push # csum_fold\n" + " .set noat \n" + " sll $1, %0, 16 \n" + " addu %0, $1 \n" + " sltu $1, %0, $1 \n" + " srl %0, %0, 16 \n" + " addu %0, $1 \n" + " xori %0, 0xffff \n" + " .set pop" : "=r" (sum) : "0" (sum)); @@ -127,29 +129,30 @@ static inline unsigned int csum_tcpudp_nofold(unsigned long saddr, unsigned int sum) { __asm__( - ".set\tnoat\t\t\t# csum_tcpudp_nofold\n\t" + " .set push # csum_tcpudp_nofold\n" + " .set noat \n" #ifdef CONFIG_32BIT - "addu\t%0, %2\n\t" - "sltu\t$1, %0, %2\n\t" - "addu\t%0, $1\n\t" + " addu %0, %2 \n" + " sltu $1, %0, %2 \n" + " addu %0, $1 \n" - "addu\t%0, %3\n\t" - "sltu\t$1, %0, %3\n\t" - "addu\t%0, $1\n\t" + " addu %0, %3 \n" + " sltu $1, %0, %3 \n" + " addu %0, $1 \n" - "addu\t%0, %4\n\t" - "sltu\t$1, %0, %4\n\t" - "addu\t%0, $1\n\t" + " addu %0, %4 \n" + " sltu $1, %0, %4 \n" + " addu %0, $1 \n" #endif #ifdef CONFIG_64BIT - "daddu\t%0, %2\n\t" - "daddu\t%0, %3\n\t" - "daddu\t%0, %4\n\t" - "dsll32\t$1, %0, 0\n\t" - "daddu\t%0, $1\n\t" - "dsrl32\t%0, %0, 0\n\t" + " daddu %0, %2 \n" + " daddu %0, %3 \n" + " daddu %0, %4 \n" + " dsll32 $1, %0, 0 \n" + " daddu %0, $1 \n" + " dsra32 %0, %0, 0 \n" #endif - ".set\tat" + " .set pop" : "=r" (sum) : "0" (daddr), "r"(saddr), #ifdef __MIPSEL__ @@ -192,57 +195,57 @@ static __inline__ unsigned short int csum_ipv6_magic(struct in6_addr *saddr, unsigned int sum) { __asm__( - ".set\tpush\t\t\t# csum_ipv6_magic\n\t" - ".set\tnoreorder\n\t" - ".set\tnoat\n\t" - "addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t" - "sltu\t$1, %0, %5\n\t" - "addu\t%0, $1\n\t" - - "addu\t%0, %6\t\t\t# csum\n\t" - "sltu\t$1, %0, %6\n\t" - "lw\t%1, 0(%2)\t\t\t# four words source address\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 4(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 8(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 12(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 0(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 4(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 8(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "lw\t%1, 12(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - - "addu\t%0, $1\t\t\t# Add final carry\n\t" - ".set\tpop" + " .set push # csum_ipv6_magic\n" + " .set noreorder \n" + " .set noat \n" + " addu %0, %5 # proto (long in network byte order)\n" + " sltu $1, %0, %5 \n" + " addu %0, $1 \n" + + " addu %0, %6 # csum\n" + " sltu $1, %0, %6 \n" + " lw %1, 0(%2) # four words source address\n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 4(%2) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 8(%2) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 12(%2) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 0(%3) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 4(%3) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 8(%3) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " lw %1, 12(%3) \n" + " addu %0, $1 \n" + " addu %0, %1 \n" + " sltu $1, %0, %1 \n" + + " addu %0, $1 # Add final carry\n" + " .set pop" : "=r" (sum), "=r" (proto) : "r" (saddr), "r" (daddr), "0" (htonl(len)), "1" (htonl(proto)), "r" (sum)); |