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author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2010-07-10 15:13:49 +0000 |
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committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2010-07-10 15:13:49 +0000 |
commit | 980b46c6967bc8a0954a26608c8b84b4c3b489c2 (patch) | |
tree | 16941c4f0da97a82d879c20866b93b011e88ec28 /lib/libthr/arch | |
parent | a1ab13ffb6886a17aa1e1be328219d1d34b9d68a (diff) | |
download | FreeBSD-src-980b46c6967bc8a0954a26608c8b84b4c3b489c2.zip FreeBSD-src-980b46c6967bc8a0954a26608c8b84b4c3b489c2.tar.gz |
Powerpc64 thread libraries support.
Diffstat (limited to 'lib/libthr/arch')
-rw-r--r-- | lib/libthr/arch/powerpc64/Makefile.inc | 5 | ||||
-rw-r--r-- | lib/libthr/arch/powerpc64/include/pthread_md.h | 84 | ||||
-rw-r--r-- | lib/libthr/arch/powerpc64/powerpc/pthread_md.c | 54 |
3 files changed, 143 insertions, 0 deletions
diff --git a/lib/libthr/arch/powerpc64/Makefile.inc b/lib/libthr/arch/powerpc64/Makefile.inc new file mode 100644 index 0000000..b6a4acd --- /dev/null +++ b/lib/libthr/arch/powerpc64/Makefile.inc @@ -0,0 +1,5 @@ +# $FreeBSD$ + +.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} + +SRCS+= pthread_md.c diff --git a/lib/libthr/arch/powerpc64/include/pthread_md.h b/lib/libthr/arch/powerpc64/include/pthread_md.h new file mode 100644 index 0000000..2abbbdc --- /dev/null +++ b/lib/libthr/arch/powerpc64/include/pthread_md.h @@ -0,0 +1,84 @@ +/* + * Copyright 2004 by Peter Grehan. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * Machine-dependent thread prototypes/definitions. + */ +#ifndef _PTHREAD_MD_H_ +#define _PTHREAD_MD_H_ + +#include <stddef.h> +#include <sys/types.h> + +#define CPU_SPINWAIT + +#define DTV_OFFSET offsetof(struct tcb, tcb_dtv) +#define TP_OFFSET 0x7008 + +/* + * Variant I tcb. The structure layout is fixed, don't blindly + * change it. + * %r2 points to end of the structure. + */ +struct tcb { + void *tcb_dtv; + struct pthread *tcb_thread; +}; + +struct tcb *_tcb_ctor(struct pthread *, int); +void _tcb_dtor(struct tcb *); + +static __inline void +_tcb_set(struct tcb *tcb) +{ + register uint8_t *_tp __asm__("%r2"); + + __asm __volatile("mr %0,%1" : "=r"(_tp) : + "r"((uint8_t *)tcb + TP_OFFSET)); +} + +static __inline struct tcb * +_tcb_get(void) +{ + register uint8_t *_tp __asm__("%r2"); + + return ((struct tcb *)(_tp - TP_OFFSET)); +} + +extern struct pthread *_thr_initial; + +static __inline struct pthread * +_get_curthread(void) +{ + if (_thr_initial) + return (_tcb_get()->tcb_thread); + return (NULL); +} + +#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libthr/arch/powerpc64/powerpc/pthread_md.c b/lib/libthr/arch/powerpc64/powerpc/pthread_md.c new file mode 100644 index 0000000..66f043e --- /dev/null +++ b/lib/libthr/arch/powerpc64/powerpc/pthread_md.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Neither the name of the author nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include <sys/types.h> +#include <rtld_tls.h> + +#include "pthread_md.h" + +/* + * The constructors. + */ +struct tcb * +_tcb_ctor(struct pthread *thread, int initial) +{ + struct tcb *tcb; + + tcb = _rtld_allocate_tls((initial) ? _tcb_get() : NULL, + sizeof(struct tcb), 1); + if (tcb) + tcb->tcb_thread = thread; + return (tcb); + +} + +void +_tcb_dtor(struct tcb *tcb) +{ + _rtld_free_tls(tcb, sizeof(struct tcb), 1); +} |