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-rw-r--r--lib/libpthread/arch/powerpc/include/pthread_md.h292
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diff --git a/lib/libpthread/arch/powerpc/include/pthread_md.h b/lib/libpthread/arch/powerpc/include/pthread_md.h
deleted file mode 100644
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--- a/lib/libpthread/arch/powerpc/include/pthread_md.h
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@@ -1,292 +0,0 @@
-/*
- * Copyright 2004 by Peter Grehan.
- * Copyright 2006 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.
- * 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_dtv)
-
-#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;
-
-/*
- * %r2 points to the following.
- */
-struct ppc32_tp {
- void *tp_dtv; /* dynamic thread vector */
- uint32_t _reserved_;
- 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;
- long tcb_spare[3];
- struct ppc32_tp tcb_tp;
-};
-
-struct kcb {
- struct kse_mailbox kcb_kmbx;
- struct kse *kcb_kse;
- struct tcb *kcb_curtcb;
- struct tcb kcb_faketcb;
-};
-
-/*
- * 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
-
-static __inline char *
-ppc_get_tp()
-{
- register char *r2 __asm__("%r2");
-
- return (r2 - TP_OFFSET);
-}
-
-static __inline void
-ppc_set_tp(char *tp)
-{
- register char *r2 __asm__("%r2");
- __asm __volatile("mr %0,%1" : "=r"(r2) : "r"(tp + TP_OFFSET));
-}
-
-static __inline struct tcb *
-ppc_get_tcb()
-{
- return ((struct tcb *)(ppc_get_tp() - offsetof(struct tcb, tcb_tp)));
-}
-
-static __inline void
-ppc_set_tcb(struct tcb *tcb)
-{
- ppc_set_tp((char*)&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. */
- ppc_set_tcb(&kcb->kcb_faketcb);
-}
-
-/*
- * 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 (ppc_get_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;
- struct tcb *tcb;
- uint32_t flags;
-
- tcb = ppc_get_tcb();
- 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)
-{
- struct tcb *tcb;
-
- tcb = ppc_get_tcb();
-
- /* 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)
-{
- struct tcb *tcb;
- uint32_t flags;
- int ret;
-
- tcb = ppc_get_tcb();
- 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;
- ppc_set_tcb(tcb);
-}
-
-static __inline struct tcb *
-_tcb_get(void)
-{
- return (ppc_get_tcb());
-}
-
-static __inline struct pthread *
-_get_curthread(void)
-{
- return (ppc_get_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 (ppc_get_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;
- ppc_set_tcb(&kcb->kcb_faketcb);
- _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_ */
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