diff options
Diffstat (limited to 'arch/blackfin/lib')
| -rw-r--r-- | arch/blackfin/lib/checksum.c | 21 | ||||
| -rw-r--r-- | arch/blackfin/lib/ins.S | 21 | ||||
| -rw-r--r-- | arch/blackfin/lib/outs.S | 16 |
3 files changed, 43 insertions, 15 deletions
diff --git a/arch/blackfin/lib/checksum.c b/arch/blackfin/lib/checksum.c index 42768e0c80c..5c87505165d 100644 --- a/arch/blackfin/lib/checksum.c +++ b/arch/blackfin/lib/checksum.c @@ -72,9 +72,9 @@ static unsigned short do_csum(const unsigned char *buff, int len) * This is a version of ip_compute_csum() optimized for IP headers, * which always checksum on 4 octet boundaries. */ -unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) +__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl) { - return ~do_csum(iph, ihl * 4); + return (__force __sum16)~do_csum(iph, ihl * 4); } /* @@ -89,7 +89,7 @@ unsigned short ip_fast_csum(unsigned char *iph, unsigned int ihl) * * it's best to have buff aligned on a 32-bit boundary */ -unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum) +__wsum csum_partial(const void *buff, int len, __wsum sum) { /* * Just in case we get nasty checksum data... @@ -109,22 +109,22 @@ unsigned int csum_partial(const unsigned char *buff, int len, unsigned int sum) * this routine is used for miscellaneous IP-like checksums, mainly * in icmp.c */ -unsigned short ip_compute_csum(const unsigned char *buff, int len) +__sum16 ip_compute_csum(const void *buff, int len) { - return ~do_csum(buff, len); + return (__force __sum16)~do_csum(buff, len); } /* * copy from fs while checksumming, otherwise like csum_partial */ -unsigned int -csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, - int len, int sum, int *csum_err) +__wsum +csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *csum_err) { if (csum_err) *csum_err = 0; - memcpy(dst, src, len); + memcpy(dst, (__force void *)src, len); return csum_partial(dst, len, sum); } @@ -132,8 +132,7 @@ csum_partial_copy_from_user(const unsigned char *src, unsigned char *dst, * copy from ds while checksumming, otherwise like csum_partial */ -unsigned int csum_partial_copy(const unsigned char *src, unsigned char *dst, - int len, int sum) +__wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum) { memcpy(dst, src, len); return csum_partial(dst, len, sum); diff --git a/arch/blackfin/lib/ins.S b/arch/blackfin/lib/ins.S index df7b8833a0c..eba2343b1b5 100644 --- a/arch/blackfin/lib/ins.S +++ b/arch/blackfin/lib/ins.S @@ -7,7 +7,7 @@ * Description: Implementation of ins{bwl} for BlackFin processors using zero overhead loops. * * Modified: - * Copyright 2004-2006 Analog Devices Inc. + * Copyright 2004-2008 Analog Devices Inc. * Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl> * * Bugs: Enter bugs at http://blackfin.uclinux.org/ @@ -63,6 +63,23 @@ ENTRY(_insw) RTS; ENDPROC(_insw) +ENTRY(_insw_8) + P0 = R0; /* P0 = port */ + cli R3; + P1 = R1; /* P1 = address */ + P2 = R2; /* P2 = count */ + SSYNC; + LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2; +.Lword8_loop_s: R0 = W[P0]; + B[P1++] = R0; + R0 = R0 >> 8; + B[P1++] = R0; + NOP; +.Lword8_loop_e: NOP; + sti R3; + RTS; +ENDPROC(_insw_8) + ENTRY(_insb) P0 = R0; /* P0 = port */ cli R3; @@ -78,8 +95,6 @@ ENTRY(_insb) RTS; ENDPROC(_insb) - - ENTRY(_insl_16) P0 = R0; /* P0 = port */ cli R3; diff --git a/arch/blackfin/lib/outs.S b/arch/blackfin/lib/outs.S index 4c3da8ae094..4685b7aa008 100644 --- a/arch/blackfin/lib/outs.S +++ b/arch/blackfin/lib/outs.S @@ -7,7 +7,7 @@ * Description: Implementation of outs{bwl} for BlackFin processors using zero overhead loops. * * Modified: Copyright (C) 2005 Bas Vermeulen, BuyWays BV <bas@buyways.nl> - * Copyright 2004-2006 Analog Devices Inc. + * Copyright 2004-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * @@ -63,3 +63,17 @@ ENTRY(_outsb) .Lbyte_loop_e: B[P0] = R0; RTS; ENDPROC(_outsb) + +ENTRY(_outsw_8) + P0 = R0; /* P0 = port */ + P1 = R1; /* P1 = address */ + P2 = R2; /* P2 = count */ + + LSETUP( .Lword8_loop_s, .Lword8_loop_e) LC0 = P2; +.Lword8_loop_s: R1 = B[P1++]; + R0 = B[P1++]; + R0 = R0 << 8; + R0 = R0 + R1; +.Lword8_loop_e: W[P0] = R0; + RTS; +ENDPROC(_outsw_8) |