diff options
| author | cvs2svn <cvs2svn@FreeBSD.org> | 2004-08-18 16:37:05 +0000 |
|---|---|---|
| committer | cvs2svn <cvs2svn@FreeBSD.org> | 2004-08-18 16:37:05 +0000 |
| commit | 3c9270175d1bd3e7d0005e5f843a948f53ae77fb (patch) | |
| tree | b99ab05eb34f00ad805361803ba5ec1607b3a372 /lib/libpthread | |
| parent | 9b932e9e048ade36fd50bad5eb8b9475b0a6082d (diff) | |
Notes
Diffstat (limited to 'lib/libpthread')
| -rw-r--r-- | lib/libpthread/arch/arm/Makefile.inc | 5 | ||||
| -rw-r--r-- | lib/libpthread/arch/arm/arm/context.S | 81 | ||||
| -rw-r--r-- | lib/libpthread/arch/arm/arm/pthread_md.c | 91 | ||||
| -rw-r--r-- | lib/libpthread/arch/arm/include/atomic_ops.h | 51 | ||||
| -rw-r--r-- | lib/libpthread/arch/arm/include/pthread_md.h | 254 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/Makefile.inc | 8 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/include/atomic_ops.h | 62 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/include/pthread_md.h | 258 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/powerpc/assym.c | 113 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/powerpc/assym.s | 113 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/powerpc/context.S | 151 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/powerpc/enter_uts.S | 40 | ||||
| -rw-r--r-- | lib/libpthread/arch/powerpc/powerpc/pthread_md.c | 76 |
13 files changed, 0 insertions, 1303 deletions
diff --git a/lib/libpthread/arch/arm/Makefile.inc b/lib/libpthread/arch/arm/Makefile.inc deleted file mode 100644 index 6a62aa68040e..000000000000 --- a/lib/libpthread/arch/arm/Makefile.inc +++ /dev/null @@ -1,5 +0,0 @@ -# $FreeBSD$ - -.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} - -SRCS+= pthread_md.c context.S diff --git a/lib/libpthread/arch/arm/arm/context.S b/lib/libpthread/arch/arm/arm/context.S deleted file mode 100644 index f5e0113f01a3..000000000000 --- a/lib/libpthread/arch/arm/arm/context.S +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) Olivier Houchard - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Neither the name of the author nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -/* - * int thr_setcontext(mcontext_t *mcp, intptr_t val, intptr_t *loc) - * - * Restores the context in mcp. - * - * Returns 0 if there are no errors; -1 otherwise - */ - -.weak _C_LABEL(_thr_setcontext) -.set _C_LABEL(_thr_setcontext), _C_LABEL(__thr_setcontext) - -ENTRY(__thr_setcontext) -/* Check for NULL pointer. */ - cmp r0, #0 - moveq r0, #-1 - moveq pc, lr - add ip, r0, #8 - ldmia ip, {r2-r12} - cmp r2, #0 - str r1, [r2] - add ip, r0, #4 - str ip, [r1] /* Restore r1. */ - add ip, r0, #64 - msr cpsr, ip - add ip, r0, #52 - mov r0, #0 /* Return 0. */ - ldr sp, [ip] /* Restore stack pointer. */ - mov pc, lr /* Return. */ - /* XXX: FP bits ? */ - -/* - * int thr_getcontext(mcontext_t *mcp); - * - * Returns -1 if there is an error, 0 no errors; 1 upon return - * from a setcontext(). - */ -.weak _C_LABEL(_thr_getcontext) -.set _C_LABEL(_thr_getcontext), _C_LABEL(__thr_getcontext) - -ENTRY(__thr_getcontext) -/* Check for NULL pointer. */ - cmp r0, #0 - moveq r0, #-1 - moveq pc, lr - stmia r0, {r0-r13} - mov r0, #0 /* Return 0. */ - mov pc, lr - -ENTRY(_arm_enter_uts) - add r4, r2, r3 /* Stack addr + size. */ - mov lr, pc - mov pc, r1 diff --git a/lib/libpthread/arch/arm/arm/pthread_md.c b/lib/libpthread/arch/arm/arm/pthread_md.c deleted file mode 100644 index b012651bbb57..000000000000 --- a/lib/libpthread/arch/arm/arm/pthread_md.c +++ /dev/null @@ -1,91 +0,0 @@ -/*- - * Copyright (C) 2003 Jake Burkholder <jake@freebsd.org> - * Copyright (C) 2003 David Xu <davidxu@freebsd.org> - * Copyright (c) 2001,2003 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/types.h> - -#include <unistd.h> -#include <signal.h> -#include <stdlib.h> -#include <string.h> -#include <ucontext.h> - -#include "pthread_md.h" - -struct tcb * -_tcb_ctor(struct pthread *thread) -{ - struct tcb *tcb; - void *addr; - - addr = malloc(sizeof(struct tcb) + 63); - if (addr == NULL) - tcb = NULL; - else { - tcb = (struct tcb *)(((uintptr_t)(addr) + 63) & ~63); - bzero(tcb, sizeof(struct tcb)); - tcb->tcb_addr = addr; - tcb->tcb_thread = thread; - /* XXX - Allocate tdv/tls */ - } - return (tcb); -} - -void -_tcb_dtor(struct tcb *tcb) -{ - void *addr; - - addr = tcb->tcb_addr; - tcb->tcb_addr = NULL; - free(addr); -} - -struct kcb * -_kcb_ctor(struct kse *kse) -{ - struct kcb *kcb; - - kcb = malloc(sizeof(struct kcb)); - if (kcb != NULL) { - bzero(kcb, sizeof(struct kcb)); - kcb->kcb_faketcb.tcb_isfake = 1; - kcb->kcb_faketcb.tcb_tmbx.tm_flags = TMF_NOUPCALL; - kcb->kcb_curtcb = &kcb->kcb_faketcb; - kcb->kcb_kse = kse; - } - return (kcb); -} - -void -_kcb_dtor(struct kcb *kcb) -{ - free(kcb); -} diff --git a/lib/libpthread/arch/arm/include/atomic_ops.h b/lib/libpthread/arch/arm/include/atomic_ops.h deleted file mode 100644 index e36a6bf7c347..000000000000 --- a/lib/libpthread/arch/arm/include/atomic_ops.h +++ /dev/null @@ -1,51 +0,0 @@ -/*- - * Copyright (c) 2001 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - * $FreeBSD$ - */ - -#ifndef _ATOMIC_OPS_H_ -#define _ATOMIC_OPS_H_ - -/* - * Atomic swap: - * Atomic (tmp = *dst, *dst = val), then *res = tmp - * - * void atomic_swap32(intptr_t *dst, intptr_t val, intptr_t *res); - */ -static inline void -atomic_swap32(intptr_t *dst, intptr_t val, intptr_t *res) -{ - __asm __volatile( - "swp %2, %2, [%1]; mov %2, %0" - : "=r" (*res) : "r" (dst), "r" (val) : "cc"); -} - -#define atomic_swap_ptr(d, v, r) \ - atomic_swap32((intptr_t *)d, (intptr_t)v, (intptr_t *)r) - -#define atomic_swap_int(d, v, r) \ - atomic_swap32((intptr_t *)d, (intptr_t)v, (intptr_t *)r) -#endif diff --git a/lib/libpthread/arch/arm/include/pthread_md.h b/lib/libpthread/arch/arm/include/pthread_md.h deleted file mode 100644 index ac0db534f72e..000000000000 --- a/lib/libpthread/arch/arm/include/pthread_md.h +++ /dev/null @@ -1,254 +0,0 @@ -/*- - * Copyright (c) 2003 Jake Burkholder <jake@freebsd.org>. - * Copyright (c) 2003 Marcel Moolenaar - * 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. - * - * 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 for the thread kernel. - */ -#ifndef _PTHREAD_MD_H_ -#define _PTHREAD_MD_H_ - -#include <sys/kse.h> -#include <stddef.h> -#include <ucontext.h> - -#define KSE_STACKSIZE 16384 -#define DTV_OFFSET offsetof(struct tcb, tcb_tp.tp_tdv) - -int _thr_setcontext(mcontext_t *, intptr_t, intptr_t *); -int _thr_getcontext(mcontext_t *); - -#define THR_GETCONTEXT(ucp) _thr_getcontext(&(ucp)->uc_mcontext) -#define THR_SETCONTEXT(ucp) _thr_setcontext(&(ucp)->uc_mcontext, 0, NULL) - -#define PER_THREAD - -struct kcb; -struct kse; -struct pthread; -struct tcb; -struct tdv; /* We don't know what this is yet? */ - - -/* - * %r6 points to one of these. We define the static TLS as an array - * of long double to enforce 16-byte alignment of the TLS memory. - * - * XXX - Both static and dynamic allocation of any of these structures - * will result in a valid, well-aligned thread pointer??? - */ -struct arm_tp { - struct tdv *tp_tdv; /* dynamic TLS */ - uint32_t _reserved_; - long double tp_tls[0]; /* static TLS */ -}; - -struct tcb { - struct pthread *tcb_thread; - void *tcb_addr; /* allocated tcb address */ - struct kcb *tcb_curkcb; - uint32_t tcb_isfake; - uint32_t tcb_spare[4]; - struct kse_thr_mailbox tcb_tmbx; /* needs 32-byte alignment */ - struct arm_tp tcb_tp; -} __aligned(32); - -struct kcb { - struct kse_mailbox kcb_kmbx; - struct tcb kcb_faketcb; - struct tcb *kcb_curtcb; - struct kse *kcb_kse; -}; - -register struct arm_tp *_tp __asm("%r6"); - -#define _tcb ((struct tcb*)((char*)(_tp) - offsetof(struct tcb, tcb_tp))) - -/* - * The kcb and tcb constructors. - */ -struct tcb *_tcb_ctor(struct pthread *); -void _tcb_dtor(struct tcb *); -struct kcb *_kcb_ctor(struct kse *kse); -void _kcb_dtor(struct kcb *); - -/* Called from the KSE to set its private data. */ -static __inline void -_kcb_set(struct kcb *kcb) -{ - /* There is no thread yet; use the fake tcb. */ - _tp = &kcb->kcb_faketcb.tcb_tp; -} - -/* - * Get the current kcb. - * - * This can only be called while in a critical region; don't - * worry about having the kcb changed out from under us. - */ -static __inline struct kcb * -_kcb_get(void) -{ - return (_tcb->tcb_curkcb); -} - -/* - * Enter a critical region. - * - * Read and clear km_curthread in the kse mailbox. - */ -static __inline struct kse_thr_mailbox * -_kcb_critical_enter(void) -{ - struct kse_thr_mailbox *crit; - uint32_t flags; - - if (_tcb->tcb_isfake != 0) { - /* - * We already are in a critical region since - * there is no current thread. - */ - crit = NULL; - } else { - flags = _tcb->tcb_tmbx.tm_flags; - _tcb->tcb_tmbx.tm_flags |= TMF_NOUPCALL; - crit = _tcb->tcb_curkcb->kcb_kmbx.km_curthread; - _tcb->tcb_curkcb->kcb_kmbx.km_curthread = NULL; - _tcb->tcb_tmbx.tm_flags = flags; - } - return (crit); -} - -static __inline void -_kcb_critical_leave(struct kse_thr_mailbox *crit) -{ - /* No need to do anything if this is a fake tcb. */ - if (_tcb->tcb_isfake == 0) - _tcb->tcb_curkcb->kcb_kmbx.km_curthread = crit; -} - -static __inline int -_kcb_in_critical(void) -{ - uint32_t flags; - int ret; - - if (_tcb->tcb_isfake != 0) { - /* - * We are in a critical region since there is no - * current thread. - */ - ret = 1; - } else { - flags = _tcb->tcb_tmbx.tm_flags; - _tcb->tcb_tmbx.tm_flags |= TMF_NOUPCALL; - ret = (_tcb->tcb_curkcb->kcb_kmbx.km_curthread == NULL); - _tcb->tcb_tmbx.tm_flags = flags; - } - return (ret); -} - -static __inline void -_tcb_set(struct kcb *kcb, struct tcb *tcb) -{ - if (tcb == NULL) - tcb = &kcb->kcb_faketcb; - kcb->kcb_curtcb = tcb; - tcb->tcb_curkcb = kcb; - _tp = &tcb->tcb_tp; -} - -static __inline struct tcb * -_tcb_get(void) -{ - return (_tcb); -} - -static __inline struct pthread * -_get_curthread(void) -{ - return (_tcb->tcb_thread); -} - -/* - * Get the current kse. - * - * Like _kcb_get(), this can only be called while in a critical region. - */ -static __inline struct kse * -_get_curkse(void) -{ - return (_tcb->tcb_curkcb->kcb_kse); -} - -void _arm_enter_uts(kse_func_t uts, struct kse_mailbox *km, void *stack, - size_t stacksz); - -static __inline int -_thread_enter_uts(struct tcb *tcb, struct kcb *kcb) -{ - if (_thr_getcontext(&tcb->tcb_tmbx.tm_context.uc_mcontext) == 0) { - /* Make the fake tcb the current thread. */ - kcb->kcb_curtcb = &kcb->kcb_faketcb; - _tp = &kcb->kcb_faketcb.tcb_tp; - _arm_enter_uts(kcb->kcb_kmbx.km_func, &kcb->kcb_kmbx, - kcb->kcb_kmbx.km_stack.ss_sp, - kcb->kcb_kmbx.km_stack.ss_size); - /* We should not reach here. */ - return (-1); - } - return (0); -} - -static __inline int -_thread_switch(struct kcb *kcb, struct tcb *tcb, int setmbox) -{ - extern int _libkse_debug; - mcontext_t *mc; - - _tcb_set(kcb, tcb); - mc = &tcb->tcb_tmbx.tm_context.uc_mcontext; - if (_libkse_debug == 0) { - tcb->tcb_tmbx.tm_lwp = kcb->kcb_kmbx.km_lwp; - if (setmbox) - _thr_setcontext(mc, (intptr_t)&tcb->tcb_tmbx, - (intptr_t *)&kcb->kcb_kmbx.km_curthread); - else - _thr_setcontext(mc, 0, NULL); - } else { - if (setmbox) - kse_switchin(&tcb->tcb_tmbx, KSE_SWITCHIN_SETTMBX); - else - kse_switchin(&tcb->tcb_tmbx, 0); - } - - /* We should not reach here. */ - return (-1); -} - -#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libpthread/arch/powerpc/Makefile.inc b/lib/libpthread/arch/powerpc/Makefile.inc deleted file mode 100644 index f4417a6ceb87..000000000000 --- a/lib/libpthread/arch/powerpc/Makefile.inc +++ /dev/null @@ -1,8 +0,0 @@ -# $FreeBSD$ - -# XXX temporary -CFLAGS+=-DSYSTEM_SCOPE_ONLY - -.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} - -SRCS+= enter_uts.S context.S pthread_md.c diff --git a/lib/libpthread/arch/powerpc/include/atomic_ops.h b/lib/libpthread/arch/powerpc/include/atomic_ops.h deleted file mode 100644 index 8068e6f030a3..000000000000 --- a/lib/libpthread/arch/powerpc/include/atomic_ops.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * 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. - * - * $FreeBSD$ - */ - -#ifndef _ATOMIC_OPS_H_ -#define _ATOMIC_OPS_H_ - -/* - * Atomic swap: - * Atomic (tmp = *dst, *dst = val), then *res = tmp - * - * void atomic_swap32(intptr_t *dst, intptr_t val, intptr_t *res); - */ -static inline void -atomic_swap32(intptr_t *dst, intptr_t val, intptr_t *res) -{ - int tmp; - - tmp = 0; /* should be a better way to quieten cc1... */ -#ifdef __GNUC__ - __asm __volatile( - "1: lwarx %0, 0, %4\n" /* load with reservation */ - " stwcx. %3, 0, %4\n" /* attempt to store val */ - " bne- 1b\n" /* interrupted? retry */ - " stw %0, %1\n" /* else, *dst -> *res */ - : "=&r" (tmp), "=m" (*res), "+m" (*dst) - : "r" (val), "r" (dst) - : "cc", "memory"); -#endif -} - -#define atomic_swap_ptr(d, v, r) \ - atomic_swap32((intptr_t *)d, (intptr_t)v, (intptr_t *)r) - -#define atomic_swap_int(d, v, r) \ - atomic_swap32((intptr_t *)d, (intptr_t)v, (intptr_t *)r) -#endif diff --git a/lib/libpthread/arch/powerpc/include/pthread_md.h b/lib/libpthread/arch/powerpc/include/pthread_md.h deleted file mode 100644 index 33a58b55af99..000000000000 --- a/lib/libpthread/arch/powerpc/include/pthread_md.h +++ /dev/null @@ -1,258 +0,0 @@ -/* - * 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 for the thread kernel. - */ -#ifndef _PTHREAD_MD_H_ -#define _PTHREAD_MD_H_ - -#include <sys/kse.h> -#include <stddef.h> -#include <ucontext.h> - -extern void _ppc32_enter_uts(struct kse_mailbox *, kse_func_t, void *, size_t); -extern int _ppc32_setcontext(mcontext_t *, intptr_t, intptr_t *); -extern int _ppc32_getcontext(mcontext_t *); - -#define KSE_STACKSIZE 16384 -#define DTV_OFFSET offsetof(struct tcb, tcb_tp.tp_tdv) - -#define THR_GETCONTEXT(ucp) _ppc32_getcontext(&(ucp)->uc_mcontext) -#define THR_SETCONTEXT(ucp) _ppc32_setcontext(&(ucp)->uc_mcontext, 0, NULL) - -#define PER_THREAD - -struct kcb; -struct kse; -struct pthread; -struct tcb; -struct tdv; - -/* - * %r2 points to a struct kcb. - */ -struct ppc32_tp { - struct tdv *tp_tdv; /* dynamic TLS */ - uint32_t _reserved_; - long double tp_tls[0]; /* static TLS */ -}; - -struct tcb { - struct kse_thr_mailbox tcb_tmbx; - struct pthread *tcb_thread; - struct kcb *tcb_curkcb; - long tcb_isfake; - struct ppc32_tp tcb_tp; -}; - -struct kcb { - struct kse_mailbox kcb_kmbx; - struct tcb kcb_faketcb; - struct tcb *kcb_curtcb; - struct kse *kcb_kse; -}; - -/* - * From the PowerPC32 TLS spec: - * - * "r2 is the thread pointer, and points 0x7000 past the end of the - * thread control block." Or, 0x7008 past the start of the 8-byte tcb - */ -#define TP_OFFSET 0x7008 -register uint8_t *_tpr __asm("%r2"); - -#define _tcb ((struct tcb *)(_tpr - TP_OFFSET - offsetof(struct tcb, tcb_tp))) - -/* - * The kcb and tcb constructors. - */ -struct tcb *_tcb_ctor(struct pthread *, int); -void _tcb_dtor(struct tcb *); -struct kcb *_kcb_ctor(struct kse *kse); -void _kcb_dtor(struct kcb *); - -/* Called from the KSE to set its private data. */ -static __inline void -_kcb_set(struct kcb *kcb) -{ - /* There is no thread yet; use the fake tcb. */ - _tpr = (uint8_t *)&kcb->kcb_faketcb.tcb_tp + TP_OFFSET; -} - -/* - * Get the current kcb. - * - * This can only be called while in a critical region; don't - * worry about having the kcb changed out from under us. - */ -static __inline struct kcb * -_kcb_get(void) -{ - return (_tcb->tcb_curkcb); -} - -/* - * Enter a critical region. - * - * Read and clear km_curthread in the kse mailbox. - */ -static __inline struct kse_thr_mailbox * -_kcb_critical_enter(void) -{ - struct kse_thr_mailbox *crit; - uint32_t flags; - - if (_tcb->tcb_isfake != 0) { - /* - * We already are in a critical region since - * there is no current thread. - */ - crit = NULL; - } else { - flags = _tcb->tcb_tmbx.tm_flags; - _tcb->tcb_tmbx.tm_flags |= TMF_NOUPCALL; - crit = _tcb->tcb_curkcb->kcb_kmbx.km_curthread; - _tcb->tcb_curkcb->kcb_kmbx.km_curthread = NULL; - _tcb->tcb_tmbx.tm_flags = flags; - } - return (crit); -} - -static __inline void -_kcb_critical_leave(struct kse_thr_mailbox *crit) -{ - /* No need to do anything if this is a fake tcb. */ - if (_tcb->tcb_isfake == 0) - _tcb->tcb_curkcb->kcb_kmbx.km_curthread = crit; -} - -static __inline int -_kcb_in_critical(void) -{ - uint32_t flags; - int ret; - - if (_tcb->tcb_isfake != 0) { - /* - * We are in a critical region since there is no - * current thread. - */ - ret = 1; - } else { - flags = _tcb->tcb_tmbx.tm_flags; - _tcb->tcb_tmbx.tm_flags |= TMF_NOUPCALL; - ret = (_tcb->tcb_curkcb->kcb_kmbx.km_curthread == NULL); - _tcb->tcb_tmbx.tm_flags = flags; - } - return (ret); -} - -static __inline void -_tcb_set(struct kcb *kcb, struct tcb *tcb) -{ - if (tcb == NULL) - tcb = &kcb->kcb_faketcb; - kcb->kcb_curtcb = tcb; - tcb->tcb_curkcb = kcb; - _tpr = (uint8_t *)&tcb->tcb_tp + TP_OFFSET; -} - -static __inline struct tcb * -_tcb_get(void) -{ - return (_tcb); -} - -static __inline struct pthread * -_get_curthread(void) -{ - return (_tcb->tcb_thread); -} - -/* - * Get the current kse. - * - * Like _kcb_get(), this can only be called while in a critical region. - */ -static __inline struct kse * -_get_curkse(void) -{ - return (_tcb->tcb_curkcb->kcb_kse); -} - -static __inline int -_thread_enter_uts(struct tcb *tcb, struct kcb *kcb) -{ - if (_ppc32_getcontext(&tcb->tcb_tmbx.tm_context.uc_mcontext) == 0) { - /* Make the fake tcb the current thread. */ - kcb->kcb_curtcb = &kcb->kcb_faketcb; - _tpr = (uint8_t *)&kcb->kcb_faketcb.tcb_tp + TP_OFFSET; - _ppc32_enter_uts(&kcb->kcb_kmbx, kcb->kcb_kmbx.km_func, - kcb->kcb_kmbx.km_stack.ss_sp, - kcb->kcb_kmbx.km_stack.ss_size - 32); - /* We should not reach here. */ - return (-1); - } - return (0); -} - -static __inline int -_thread_switch(struct kcb *kcb, struct tcb *tcb, int setmbox) -{ - mcontext_t *mc; - extern int _libkse_debug; - - _tcb_set(kcb, tcb); - mc = &tcb->tcb_tmbx.tm_context.uc_mcontext; - - /* - * A full context needs a system call to restore, so use - * kse_switchin. Otherwise, the partial context can be - * restored with _ppc32_setcontext - */ - if (mc->mc_vers != _MC_VERSION_KSE && _libkse_debug != 0) { - if (setmbox) - kse_switchin(&tcb->tcb_tmbx, KSE_SWITCHIN_SETTMBX); - else - kse_switchin(&tcb->tcb_tmbx, 0); - } else { - tcb->tcb_tmbx.tm_lwp = kcb->kcb_kmbx.km_lwp; - if (setmbox) - _ppc32_setcontext(mc, (intptr_t)&tcb->tcb_tmbx, - (intptr_t *)&kcb->kcb_kmbx.km_curthread); - else - _ppc32_setcontext(mc, 0, NULL); - } - - /* We should not reach here. */ - return (-1); -} - -#endif /* _PTHREAD_MD_H_ */ diff --git a/lib/libpthread/arch/powerpc/powerpc/assym.c b/lib/libpthread/arch/powerpc/powerpc/assym.c deleted file mode 100644 index a8479e774585..000000000000 --- a/lib/libpthread/arch/powerpc/powerpc/assym.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright (c) 2004 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - * $FreeBSD$ - */ - -/* Used to generate mcontext_t offsets */ - -#include <sys/types.h> -#include <sys/assym.h> -#include <sys/ucontext.h> - -#include <stddef.h> - -ASSYM(_MC_VERSION, _MC_VERSION); -ASSYM(_MC_VERSION_KSE, _MC_VERSION_KSE); -ASSYM(_MC_FP_VALID, _MC_FP_VALID); - -ASSYM(_MC_VERS, offsetof(mcontext_t, mc_vers)); -ASSYM(_MC_FLAGS, offsetof(mcontext_t, mc_flags)); - -ASSYM(_MC_R0, offsetof(mcontext_t, mc_frame[0])); -ASSYM(_MC_R1, offsetof(mcontext_t, mc_frame[1])); -ASSYM(_MC_R2, offsetof(mcontext_t, mc_frame[2])); -ASSYM(_MC_R3, offsetof(mcontext_t, mc_frame[3])); -ASSYM(_MC_R4, offsetof(mcontext_t, mc_frame[4])); -ASSYM(_MC_R5, offsetof(mcontext_t, mc_frame[5])); -ASSYM(_MC_R6, offsetof(mcontext_t, mc_frame[6])); -ASSYM(_MC_R7, offsetof(mcontext_t, mc_frame[7])); -ASSYM(_MC_R8, offsetof(mcontext_t, mc_frame[8])); -ASSYM(_MC_R9, offsetof(mcontext_t, mc_frame[9])); -ASSYM(_MC_R10, offsetof(mcontext_t, mc_frame[10])); -ASSYM(_MC_R11, offsetof(mcontext_t, mc_frame[11])); -ASSYM(_MC_R12, offsetof(mcontext_t, mc_frame[12])); -ASSYM(_MC_R13, offsetof(mcontext_t, mc_frame[13])); -ASSYM(_MC_R14, offsetof(mcontext_t, mc_frame[14])); -ASSYM(_MC_R15, offsetof(mcontext_t, mc_frame[15])); -ASSYM(_MC_R16, offsetof(mcontext_t, mc_frame[16])); -ASSYM(_MC_R17, offsetof(mcontext_t, mc_frame[17])); -ASSYM(_MC_R18, offsetof(mcontext_t, mc_frame[18])); -ASSYM(_MC_R19, offsetof(mcontext_t, mc_frame[19])); -ASSYM(_MC_R20, offsetof(mcontext_t, mc_frame[20])); -ASSYM(_MC_R21, offsetof(mcontext_t, mc_frame[21])); -ASSYM(_MC_R22, offsetof(mcontext_t, mc_frame[22])); -ASSYM(_MC_R23, offsetof(mcontext_t, mc_frame[23])); -ASSYM(_MC_R24, offsetof(mcontext_t, mc_frame[24])); -ASSYM(_MC_R25, offsetof(mcontext_t, mc_frame[25])); -ASSYM(_MC_R26, offsetof(mcontext_t, mc_frame[26])); -ASSYM(_MC_R27, offsetof(mcontext_t, mc_frame[27])); -ASSYM(_MC_R28, offsetof(mcontext_t, mc_frame[28])); -ASSYM(_MC_R29, offsetof(mcontext_t, mc_frame[29])); -ASSYM(_MC_R30, offsetof(mcontext_t, mc_frame[30])); -ASSYM(_MC_R31, offsetof(mcontext_t, mc_frame[31])); -ASSYM(_MC_LR, offsetof(mcontext_t, mc_frame[32])); -ASSYM(_MC_CR, offsetof(mcontext_t, mc_frame[33])); -ASSYM(_MC_XER, offsetof(mcontext_t, mc_frame[34])); -ASSYM(_MC_CTR, offsetof(mcontext_t, mc_frame[35])); - -ASSYM(_MC_FPSCR, offsetof(mcontext_t, mc_fpreg[32])); -ASSYM(_MC_F0, offsetof(mcontext_t, mc_fpreg[0])); -ASSYM(_MC_F1, offsetof(mcontext_t, mc_fpreg[1])); -ASSYM(_MC_F2, offsetof(mcontext_t, mc_fpreg[2])); -ASSYM(_MC_F3, offsetof(mcontext_t, mc_fpreg[3])); -ASSYM(_MC_F4, offsetof(mcontext_t, mc_fpreg[4])); -ASSYM(_MC_F5, offsetof(mcontext_t, mc_fpreg[5])); -ASSYM(_MC_F6, offsetof(mcontext_t, mc_fpreg[6])); -ASSYM(_MC_F7, offsetof(mcontext_t, mc_fpreg[7])); -ASSYM(_MC_F8, offsetof(mcontext_t, mc_fpreg[8])); -ASSYM(_MC_F9, offsetof(mcontext_t, mc_fpreg[9])); -ASSYM(_MC_F10, offsetof(mcontext_t, mc_fpreg[10])); -ASSYM(_MC_F11, offsetof(mcontext_t, mc_fpreg[11])); -ASSYM(_MC_F12, offsetof(mcontext_t, mc_fpreg[12])); -ASSYM(_MC_F13, offsetof(mcontext_t, mc_fpreg[13])); -ASSYM(_MC_F14, offsetof(mcontext_t, mc_fpreg[14])); -ASSYM(_MC_F15, offsetof(mcontext_t, mc_fpreg[15])); -ASSYM(_MC_F16, offsetof(mcontext_t, mc_fpreg[16])); -ASSYM(_MC_F17, offsetof(mcontext_t, mc_fpreg[17])); -ASSYM(_MC_F18, offsetof(mcontext_t, mc_fpreg[18])); -ASSYM(_MC_F19, offsetof(mcontext_t, mc_fpreg[19])); -ASSYM(_MC_F20, offsetof(mcontext_t, mc_fpreg[20])); -ASSYM(_MC_F21, offsetof(mcontext_t, mc_fpreg[21])); -ASSYM(_MC_F22, offsetof(mcontext_t, mc_fpreg[22])); -ASSYM(_MC_F23, offsetof(mcontext_t, mc_fpreg[23])); -ASSYM(_MC_F24, offsetof(mcontext_t, mc_fpreg[24])); -ASSYM(_MC_F25, offsetof(mcontext_t, mc_fpreg[25])); -ASSYM(_MC_F26, offsetof(mcontext_t, mc_fpreg[26])); -ASSYM(_MC_F27, offsetof(mcontext_t, mc_fpreg[27])); -ASSYM(_MC_F28, offsetof(mcontext_t, mc_fpreg[28])); -ASSYM(_MC_F29, offsetof(mcontext_t, mc_fpreg[29])); -ASSYM(_MC_F30, offsetof(mcontext_t, mc_fpreg[30])); -ASSYM(_MC_F31, offsetof(mcontext_t, mc_fpreg[31])); diff --git a/lib/libpthread/arch/powerpc/powerpc/assym.s b/lib/libpthread/arch/powerpc/powerpc/assym.s deleted file mode 100644 index 7017c15153d5..000000000000 --- a/lib/libpthread/arch/powerpc/powerpc/assym.s +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright (c) 2004 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - * - * $FreeBSD$ - */ - -/* - * Struct offsets for version 0x1 of the mcontext struct. - * Generated with - * cc -c assym.c - * ${SYSSRC}/kern/genassym.sh assym.o > assym_syms.s - * hand-edit output - */ -#define _MC_VERSION 0x1 -#define _MC_VERSION_KSE 0xee -#define _MC_FP_VALID 0x1 - -#define _MC_VERS 0x0 -#define _MC_FLAGS 0x4 - -#define _MC_R0 0x298 -#define _MC_R1 0x21c -#define _MC_R2 0x220 -#define _MC_R3 0x224 -#define _MC_R4 0x228 -#define _MC_R5 0x22c -#define _MC_R6 0x230 -#define _MC_R7 0x234 -#define _MC_R8 0x238 -#define _MC_R9 0x23c -#define _MC_R10 0x240 -#define _MC_R11 0x244 -#define _MC_R12 0x248 -#define _MC_R13 0x24c -#define _MC_R14 0x250 -#define _MC_R15 0x254 -#define _MC_R16 0x258 -#define _MC_R17 0x25c -#define _MC_R18 0x260 -#define _MC_R19 0x264 -#define _MC_R20 0x268 -#define _MC_R21 0x26c -#define _MC_R22 0x270 -#define _MC_R23 0x274 -#define _MC_R24 0x278 -#define _MC_R25 0x27c -#define _MC_R26 0x280 -#define _MC_R27 0x284 -#define _MC_R28 0x288 -#define _MC_R29 0x28c -#define _MC_R30 0x290 -#define _MC_R31 0x294 -#define _MC_LR 0x298 -#define _MC_CR 0x29c -#define _MC_XER 0x2a0 -#define _MC_CTR 0x2a4 - -#define _MC_FPSCR 0x3c0 -#define _MC_F0 0x2c0 -#define _MC_F1 0x2c8 -#define _MC_F2 0x2d0 -#define _MC_F3 0x2d8 -#define _MC_F4 0x2e0 -#define _MC_F5 0x2e8 -#define _MC_F6 0x2f0 -#define _MC_F7 0x2f8 -#define _MC_F8 0x300 -#define _MC_F9 0x308 -#define _MC_F10 0x310 -#define _MC_F11 0x318 -#define _MC_F12 0x320 -#define _MC_F13 0x328 -#define _MC_F14 0x330 -#define _MC_F15 0x338 -#define _MC_F16 0x340 -#define _MC_F17 0x348 -#define _MC_F18 0x350 -#define _MC_F19 0x358 -#define _MC_F20 0x360 -#define _MC_F21 0x368 -#define _MC_F22 0x370 -#define _MC_F23 0x378 -#define _MC_F24 0x380 -#define _MC_F25 0x388 -#define _MC_F26 0x390 -#define _MC_F27 0x398 -#define _MC_F28 0x3a0 -#define _MC_F29 0x3a8 -#define _MC_F30 0x3b0 -#define _MC_F31 0x3b8 - diff --git a/lib/libpthread/arch/powerpc/powerpc/context.S b/lib/libpthread/arch/powerpc/powerpc/context.S deleted file mode 100644 index 34d175ac6960..000000000000 --- a/lib/libpthread/arch/powerpc/powerpc/context.S +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright (c) 2004 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -#include "assym.s" - -/* - * int _ppc32_getcontext(mcontext_t *mcp) - * - * Save register state from a voluntary context switch. - * Only volatile registers, and those needed to complete - * a setcontext call, need to be saved. - * - * r1 - * r14-31 - * f14-31 XXX - * lr - * - * Return 0 for this call, and set up the context so it will return - * 1 when restored with _ppc32_setcontext(). - * - * XXX XXX - * Floating-point is a big issue. Since there's no way to determine - * if the caller has used FP, all volatile register need to be saved. - * If FP hasn't been used, this results in a lazy FP exception in - * the kernel and from that point on FP is always switched in/out - * for the thread, which may be a big performance drag for the system. - * An alternative is to use a system call to get the context, which - * will do the right thing for floating point, but will save all - * registers rather than the caller-saved subset, and has the overhead - * of a syscall. - * Maybe another option would be to give a light-weight way for a - * thread to determine if FP is in used: perhaps a syscall that - * returns in the asm traphandler, or an OSX-style read-only page - * with a flag to indicate FP state. - * - * For now, punt the issue ala Alpha 1:1 model and fix in the future. - */ -ENTRY(_ppc32_getcontext) - stw %r1, _MC_R1(%r3) - stw %r13, _MC_R13(%r3) - stw %r14, _MC_R14(%r3) - stw %r15, _MC_R15(%r3) - stw %r16, _MC_R16(%r3) - stw %r17, _MC_R17(%r3) - stw %r18, _MC_R18(%r3) - stw %r19, _MC_R19(%r3) - stw %r20, _MC_R20(%r3) - stw %r21, _MC_R21(%r3) - stw %r22, _MC_R22(%r3) - stw %r23, _MC_R23(%r3) - stw %r24, _MC_R24(%r3) - stw %r25, _MC_R25(%r3) - stw %r26, _MC_R26(%r3) - stw %r27, _MC_R27(%r3) - stw %r28, _MC_R28(%r3) - stw %r29, _MC_R28(%r3) - stw %r30, _MC_R30(%r3) - stw %r31, _MC_R31(%r3) - mflr %r4 - stw %r4, _MC_LR(%r3) - mfcr %r4 - stw %r4, _MC_CR(%r3) - - /* XXX f14-31 ? */ - - li %r4, _MC_VERSION_KSE /* partial ucontext version */ - stw %r4, _MC_VERS(%r3) - - /* Return 0 */ - li %r3, 0 - blr - -/* - * int _ppc32_setcontext(const mcontext_t *mcp, intptr_t val, - * intptr_t *loc); - * - * Should only be called for partial KSE contexts. The full context - * case is handled by kse_switchin() in _thread_switch() - * - * Returns -1 on error and 1 for return from a saved context - */ - -ENTRY(_ppc32_setcontext) - lwz %r6, _MC_VERS(%r3) - cmpwi %r6, _MC_VERSION_KSE /* KSE partial context ? */ - beq 1f - li %r3, -1 /* invalid context type, return -1 */ - blr - -1: /* partial format, callee-saved regs assumed */ - lwz %r1, _MC_R1(%r3) - lwz %r13, _MC_R13(%r3) - lwz %r14, _MC_R14(%r3) - lwz %r15, _MC_R15(%r3) - lwz %r16, _MC_R16(%r3) - lwz %r17, _MC_R17(%r3) - lwz %r18, _MC_R18(%r3) - lwz %r19, _MC_R19(%r3) - lwz %r20, _MC_R20(%r3) - lwz %r21, _MC_R21(%r3) - lwz %r22, _MC_R22(%r3) - lwz %r23, _MC_R23(%r3) - lwz %r24, _MC_R24(%r3) - lwz %r25, _MC_R25(%r3) - lwz %r26, _MC_R26(%r3) - lwz %r27, _MC_R27(%r3) - lwz %r28, _MC_R28(%r3) - lwz %r29, _MC_R28(%r3) - lwz %r30, _MC_R30(%r3) - lwz %r31, _MC_R31(%r3) - lwz %r6, _MC_LR(%r3) - mtlr %r6 - lwz %r6, _MC_CR(%r3) - mtcr %r6 - - /* XXX f14-31 ? */ - - /* if (loc != NULL) *loc = val */ - cmpwi %r5, 0 - beq 2f - stw %r4, 0(%r5) - - /* Return 1 */ -2: li %r3, 1 - blr diff --git a/lib/libpthread/arch/powerpc/powerpc/enter_uts.S b/lib/libpthread/arch/powerpc/powerpc/enter_uts.S deleted file mode 100644 index 7cc4d7ff3df4..000000000000 --- a/lib/libpthread/arch/powerpc/powerpc/enter_uts.S +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright (c) 2004 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -/* - * _ppc32_enter_uts(struct kse_mailbox *km, kse_func_t uts, void *stack, - * long stacksz); - * - * Call (*uts)(km) on the requested stack. This function doesn't - * return. The km parameter stays in %r3. - */ -ENTRY(_ppc32_enter_uts) - add %r1,%r5,%r6 /* new stack = stack + stacksz */ - mtlr %r4 /* link register = uts */ - blrl /* (*uts)(km) */ diff --git a/lib/libpthread/arch/powerpc/powerpc/pthread_md.c b/lib/libpthread/arch/powerpc/powerpc/pthread_md.c deleted file mode 100644 index c8445b177c54..000000000000 --- a/lib/libpthread/arch/powerpc/powerpc/pthread_md.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Neither the name of the author nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <stdlib.h> -#include <strings.h> -#include "pthread_md.h" - -/* - * The constructors. - */ -struct tcb * -_tcb_ctor(struct pthread *thread, int initial) -{ - struct tcb *tcb; - - if ((tcb = malloc(sizeof(struct tcb))) != NULL) { - bzero(tcb, sizeof(struct tcb)); - tcb->tcb_thread = thread; - /* Allocate TDV */ - } - return (tcb); -} - -void -_tcb_dtor(struct tcb *tcb) -{ - /* Free TDV */ - free(tcb); -} - -struct kcb * -_kcb_ctor(struct kse *kse) -{ - struct kcb *kcb; - - if ((kcb = malloc(sizeof(struct kcb))) != NULL) { - bzero(kcb, sizeof(struct kcb)); - kcb->kcb_faketcb.tcb_isfake = 1; - kcb->kcb_faketcb.tcb_tmbx.tm_flags = TMF_NOUPCALL; - kcb->kcb_curtcb = &kcb->kcb_faketcb; - kcb->kcb_kse = kse; - } - return (kcb); -} - -void -_kcb_dtor(struct kcb *kcb) -{ - free(kcb); -} |
