diff options
Diffstat (limited to 'contrib/bind9/lib/isc/powerpc')
| -rw-r--r-- | contrib/bind9/lib/isc/powerpc/Makefile.in | 24 | ||||
| -rw-r--r-- | contrib/bind9/lib/isc/powerpc/include/Makefile.in | 24 | ||||
| -rw-r--r-- | contrib/bind9/lib/isc/powerpc/include/isc/Makefile.in | 36 | ||||
| -rw-r--r-- | contrib/bind9/lib/isc/powerpc/include/isc/atomic.h | 191 |
4 files changed, 275 insertions, 0 deletions
diff --git a/contrib/bind9/lib/isc/powerpc/Makefile.in b/contrib/bind9/lib/isc/powerpc/Makefile.in new file mode 100644 index 000000000000..701fb84504f5 --- /dev/null +++ b/contrib/bind9/lib/isc/powerpc/Makefile.in @@ -0,0 +1,24 @@ +# Copyright (C) 2007 Internet Systems Consortium, Inc. ("ISC") +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.2 2007-09-14 04:09:59 marka Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +SUBDIRS = include +TARGETS = + +@BIND9_MAKE_RULES@ diff --git a/contrib/bind9/lib/isc/powerpc/include/Makefile.in b/contrib/bind9/lib/isc/powerpc/include/Makefile.in new file mode 100644 index 000000000000..8c5dd3a0aa30 --- /dev/null +++ b/contrib/bind9/lib/isc/powerpc/include/Makefile.in @@ -0,0 +1,24 @@ +# Copyright (C) 2007 Internet Systems Consortium, Inc. ("ISC") +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.2 2007-09-14 04:09:59 marka Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +SUBDIRS = isc +TARGETS = + +@BIND9_MAKE_RULES@ diff --git a/contrib/bind9/lib/isc/powerpc/include/isc/Makefile.in b/contrib/bind9/lib/isc/powerpc/include/isc/Makefile.in new file mode 100644 index 000000000000..43829a19cc2c --- /dev/null +++ b/contrib/bind9/lib/isc/powerpc/include/isc/Makefile.in @@ -0,0 +1,36 @@ +# Copyright (C) 2007 Internet Systems Consortium, Inc. ("ISC") +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +# $Id: Makefile.in,v 1.2 2007-09-14 04:09:59 marka Exp $ + +srcdir = @srcdir@ +VPATH = @srcdir@ +top_srcdir = @top_srcdir@ + +@BIND9_VERSION@ + +HEADERS = atomic.h + +SUBDIRS = +TARGETS = + +@BIND9_MAKE_RULES@ + +installdirs: + $(SHELL) ${top_srcdir}/mkinstalldirs ${DESTDIR}${includedir}/isc + +install:: installdirs + for i in ${HEADERS}; do \ + ${INSTALL_DATA} $(srcdir)/$$i ${DESTDIR}${includedir}/isc ; \ + done diff --git a/contrib/bind9/lib/isc/powerpc/include/isc/atomic.h b/contrib/bind9/lib/isc/powerpc/include/isc/atomic.h new file mode 100644 index 000000000000..2e11e398e7ab --- /dev/null +++ b/contrib/bind9/lib/isc/powerpc/include/isc/atomic.h @@ -0,0 +1,191 @@ +/* + * Copyright (C) 2005, 2007, 2009 Internet Systems Consortium, Inc. ("ISC") + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: atomic.h,v 1.8 2009-10-14 23:47:51 tbox Exp $ */ + +#ifndef ISC_ATOMIC_H +#define ISC_ATOMIC_H 1 + +#include <isc/platform.h> +#include <isc/types.h> + +/*!\file + * static inline isc_int32_t + * isc_atomic_xadd(isc_int32_t *p, isc_int32_t val); + * + * This routine atomically increments the value stored in 'p' by 'val', and + * returns the previous value. + * + * static inline void + * isc_atomic_store(void *p, isc_int32_t val); + * + * This routine atomically stores the value 'val' in 'p'. + * + * static inline isc_int32_t + * isc_atomic_cmpxchg(isc_int32_t *p, isc_int32_t cmpval, isc_int32_t val); + * + * This routine atomically replaces the value in 'p' with 'val', if the + * original value is equal to 'cmpval'. The original value is returned in any + * case. + */ + +#if defined(_AIX) + +#include <sys/atomic_op.h> + +#define isc_atomic_store(p, v) _clear_lock(p, v) + +#ifdef __GNUC__ +static inline isc_int32_t +#else +static isc_int32_t +#endif +isc_atomic_xadd(isc_int32_t *p, isc_int32_t val) { + int ret; + +#ifdef __GNUC__ + asm("ics"); +#else + __isync(); +#endif + + ret = fetch_and_add((atomic_p)p, (int)val); + +#ifdef __GNUC__ + asm("ics"); +#else + __isync(); +#endif + + return (ret); +} + +#ifdef __GNUC__ +static inline int +#else +static int +#endif +isc_atomic_cmpxchg(atomic_p p, int old, int new) { + int orig = old; + +#ifdef __GNUC__ + asm("ics"); +#else + __isync(); +#endif + if (compare_and_swap(p, &orig, new)) + orig = old; + +#ifdef __GNUC__ + asm("ics"); +#else + __isync(); +#endif + + return (orig); +} + +#elif defined(ISC_PLATFORM_USEGCCASM) || defined(ISC_PLATFORM_USEMACASM) +static inline isc_int32_t +isc_atomic_xadd(isc_int32_t *p, isc_int32_t val) { + isc_int32_t orig; + + __asm__ volatile ( +#ifdef ISC_PLATFORM_USEMACASM + "1:" + "lwarx r6, 0, %1\n" + "mr %0, r6\n" + "add r6, r6, %2\n" + "stwcx. r6, 0, %1\n" + "bne- 1b" +#else + "1:" + "lwarx 6, 0, %1\n" + "mr %0, 6\n" + "add 6, 6, %2\n" + "stwcx. 6, 0, %1\n" + "bne- 1b" +#endif + : "=&r"(orig) + : "r"(p), "r"(val) + : "r6", "memory" + ); + + return (orig); +} + +static inline void +isc_atomic_store(void *p, isc_int32_t val) { + __asm__ volatile ( +#ifdef ISC_PLATFORM_USEMACASM + "1:" + "lwarx r6, 0, %0\n" + "lwz r6, %1\n" + "stwcx. r6, 0, %0\n" + "bne- 1b" +#else + "1:" + "lwarx 6, 0, %0\n" + "lwz 6, %1\n" + "stwcx. 6, 0, %0\n" + "bne- 1b" +#endif + : + : "r"(p), "m"(val) + : "r6", "memory" + ); +} + +static inline isc_int32_t +isc_atomic_cmpxchg(isc_int32_t *p, isc_int32_t cmpval, isc_int32_t val) { + isc_int32_t orig; + + __asm__ volatile ( +#ifdef ISC_PLATFORM_USEMACASM + "1:" + "lwarx r6, 0, %1\n" + "mr %0,r6\n" + "cmpw r6, %2\n" + "bne 2f\n" + "mr r6, %3\n" + "stwcx. r6, 0, %1\n" + "bne- 1b\n" + "2:" +#else + "1:" + "lwarx 6, 0, %1\n" + "mr %0,6\n" + "cmpw 6, %2\n" + "bne 2f\n" + "mr 6, %3\n" + "stwcx. 6, 0, %1\n" + "bne- 1b\n" + "2:" +#endif + : "=&r" (orig) + : "r"(p), "r"(cmpval), "r"(val) + : "r6", "memory" + ); + + return (orig); +} + +#else + +#error "unsupported compiler. disable atomic ops by --disable-atomic" + +#endif +#endif /* ISC_ATOMIC_H */ |