diff options
Diffstat (limited to 'lib/libpthread/arch/ia64')
| -rw-r--r-- | lib/libpthread/arch/ia64/Makefile.inc | 5 | ||||
| -rw-r--r-- | lib/libpthread/arch/ia64/ia64/context.S | 351 | ||||
| -rw-r--r-- | lib/libpthread/arch/ia64/ia64/enter_uts.S | 60 | ||||
| -rw-r--r-- | lib/libpthread/arch/ia64/ia64/pthread_md.c | 80 | ||||
| -rw-r--r-- | lib/libpthread/arch/ia64/include/atomic_ops.h | 47 | ||||
| -rw-r--r-- | lib/libpthread/arch/ia64/include/pthread_md.h | 268 |
6 files changed, 0 insertions, 811 deletions
diff --git a/lib/libpthread/arch/ia64/Makefile.inc b/lib/libpthread/arch/ia64/Makefile.inc deleted file mode 100644 index c8b0362..0000000 --- a/lib/libpthread/arch/ia64/Makefile.inc +++ /dev/null @@ -1,5 +0,0 @@ -# $FreeBSD$ - -.PATH: ${.CURDIR}/arch/${MACHINE_ARCH}/${MACHINE_ARCH} - -SRCS+= context.S enter_uts.S pthread_md.c diff --git a/lib/libpthread/arch/ia64/ia64/context.S b/lib/libpthread/arch/ia64/ia64/context.S deleted file mode 100644 index 9411293..0000000 --- a/lib/libpthread/arch/ia64/ia64/context.S +++ /dev/null @@ -1,351 +0,0 @@ -/* - * Copyright (c) 2003 Marcel Moolenaar - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -#include <sys/syscall.h> - -#define SIZEOF_SPECIAL (18*8) - -/* - * int _ia64_restore_context(mcontext_t *mc, intptr_t val, intptr_t *loc); - */ -ENTRY(_ia64_restore_context, 3) -{ .mmi - invala - mov ar.rsc=0xc - add r32=16,r32 - ;; -} -{ .mmi - loadrs - ld8 r12=[r32] // sp - add r31=8,r32 - ;; -} -{ .mii - ld8 r16=[r31],16 // unat (before) - add r30=16,r32 - add r14=SIZEOF_SPECIAL,r32 - ;; -} -{ .mmi - ld8 r17=[r30],16 // rp - ld8 r18=[r31],16 // pr - mov r2=r33 - ;; -} -{ .mmi - ld8 r19=[r30],16 // pfs - ld8 r20=[r31],32 // bspstore - mov rp=r17 - ;; -} -{ .mmi - ld8 r21=[r30],32 // rnat - ld8 r22=[r31],16 // rsc - mov pr=r18,0x1fffe - ;; -} -{ .mmi - ld8 r23=[r30] // fpsr - ld8 r24=[r31] // psr -- not used - mov r3=r34 - ;; -} -{ .mmi - ld8 r17=[r14],8 // unat (after) - mov ar.bspstore=r20 - cmp.ne p15,p0=r0,r3 - ;; -} -{ .mmi - mov ar.rnat=r21 - mov ar.unat=r17 - add r15=8,r14 - ;; -} -{ .mmi - ld8.fill r4=[r14],16 // r4 - ld8.fill r5=[r15],16 // r5 - mov ar.pfs=r19 - ;; -} -{ .mmi - ld8.fill r6=[r14],16 // r6 - ld8.fill r7=[r15],16 // r7 - nop 0 - ;; -} -{ .mmi - mov ar.unat=r16 - mov ar.rsc=r22 - nop 0 -} -{ .mmi - ld8 r17=[r14],16 // b1 - ld8 r18=[r15],16 // b2 - nop 0 - ;; -} -{ .mmi - ld8 r19=[r14],16 // b3 - ld8 r20=[r15],16 // b4 - mov b1=r17 - ;; -} -{ .mmi - ld8 r16=[r14],24 // b5 - ld8 r17=[r15],32 // lc - mov b2=r18 - ;; -} -{ .mmi - ldf.fill f2=[r14],32 - ldf.fill f3=[r15],32 - mov b3=r19 - ;; -} -{ .mmi - ldf.fill f4=[r14],32 - ldf.fill f5=[r15],32 - mov b4=r20 - ;; -} -{ .mmi - ldf.fill f16=[r14],32 - ldf.fill f17=[r15],32 - mov b5=r16 - ;; -} -{ .mmi - ldf.fill f18=[r14],32 - ldf.fill f19=[r15],32 - mov ar.lc=r17 - ;; -} - ldf.fill f20=[r14],32 - ldf.fill f21=[r15],32 - ;; - ldf.fill f22=[r14],32 - ldf.fill f23=[r15],32 - ;; - ldf.fill f24=[r14],32 - ldf.fill f25=[r15],32 - ;; - ldf.fill f26=[r14],32 - ldf.fill f27=[r15],32 - ;; - ldf.fill f28=[r14],32 - ldf.fill f29=[r15],32 - ;; - ldf.fill f30=[r14],32+24 - ldf.fill f31=[r15],24+24 - ;; - ld8 r8=[r14],16 - ld8 r9=[r15],16 - ;; - ld8 r10=[r14] - ld8 r11=[r15] - ;; -{ .mmb -(p15) st8 [r3]=r2 - mov ar.fpsr=r23 - br.ret.sptk rp - ;; -} -END(_ia64_restore_context) - -/* - * int _ia64_save_context(mcontext_t *mc); - */ -ENTRY(_ia64_save_context, 1) -{ .mmi - mov r14=ar.rsc - mov r15=ar.fpsr - add r31=8,r32 - ;; -} -{ .mmi - st8 [r32]=r0,16 - st8 [r31]=r0,16 - nop 0 - ;; -} -{ .mmi - mov ar.rsc=0xc - mov r16=ar.unat - nop 0 - ;; -} -{ .mmi - flushrs - st8 [r32]=sp,16 // sp - mov r17=rp - ;; -} -{ .mmi - st8 [r31]=r16,16 // unat (before) - st8 [r32]=r17,16 // rp - mov r16=pr - ;; -} -{ .mmi - st8 [r31]=r16,16 // pr - mov r17=ar.bsp - mov r16=ar.pfs - ;; -} -{ .mmi - st8 [r32]=r16,16 // pfs - st8 [r31]=r17,16 // bspstore - nop 0 - ;; -} -{ .mmi - mov r16=ar.rnat - mov ar.rsc=r14 - add r30=SIZEOF_SPECIAL-(6*8),r32 - ;; -} -{ .mmi - st8 [r32]=r16,16 // rnat - st8 [r31]=r0,16 // __spare - nop 0 - ;; -} -{ .mmi - st8 [r32]=r13,16 // tp -- not used - st8 [r31]=r14,16 // rsc - mov r16=b1 - ;; -} -{ .mmi - st8 [r32]=r15,10*8 // fpr - st8 [r31]=r0,8*8 // psr - nop 0 - ;; -} - /* callee_saved */ -{ .mmi - .mem.offset 8,0 - st8.spill [r31]=r4,16 // r4 - .mem.offset 16,0 - st8.spill [r32]=r5,16 // r5 - mov r17=b2 - ;; -} -{ .mmi - .mem.offset 24,0 - st8.spill [r31]=r6,16 // r6 - .mem.offset 32,0 - st8.spill [r32]=r7,16 // r7 - mov r18=b3 - ;; -} -{ .mmi - st8 [r31]=r16,16 // b1 - mov r16=ar.unat - mov r19=b4 - ;; -} -{ .mmi - st8 [r30]=r16 // unat (after) - st8 [r32]=r17,16 // b2 - mov r16=b5 - ;; -} -{ .mmi - st8 [r31]=r18,16 // b3 - st8 [r32]=r19,16 // b4 - mov r17=ar.lc - ;; -} - st8 [r31]=r16,16 // b5 - st8 [r32]=r17,16 // lc - ;; - st8 [r31]=r0,24 // __spare - stf.spill [r32]=f2,32 - ;; - stf.spill [r31]=f3,32 - stf.spill [r32]=f4,32 - ;; - stf.spill [r31]=f5,32 - stf.spill [r32]=f16,32 - ;; - stf.spill [r31]=f17,32 - stf.spill [r32]=f18,32 - ;; - stf.spill [r31]=f19,32 - stf.spill [r32]=f20,32 - ;; - stf.spill [r31]=f21,32 - stf.spill [r32]=f22,32 - ;; - stf.spill [r31]=f23,32 - stf.spill [r32]=f24,32 - ;; - stf.spill [r31]=f25,32 - stf.spill [r32]=f26,32 - ;; - stf.spill [r31]=f27,32 - stf.spill [r32]=f28,32 - ;; -{ .mmi - stf.spill [r31]=f29,32 - stf.spill [r32]=f30,32+24 - add r14=1,r0 - ;; -} -{ .mmi - stf.spill [r31]=f31,24+24 - st8 [r32]=r14,16 // r8 - add r8=0,r0 - ;; -} - st8 [r31]=r0,16 // r9 - st8 [r32]=r0 // r10 - ;; -{ .mmb - st8 [r31]=r0 // r11 - mf - br.ret.sptk rp - ;; -} -END(_ia64_save_context) - -/* - * void _ia64_break_setcontext(mcontext_t *mc); - */ -ENTRY(_ia64_break_setcontext, 1) -{ .mmi - mov r8=r32 - break 0x180000 - nop 0 - ;; -} -END(_ia64_break_setcontext) diff --git a/lib/libpthread/arch/ia64/ia64/enter_uts.S b/lib/libpthread/arch/ia64/ia64/enter_uts.S deleted file mode 100644 index 5df4d93..0000000 --- a/lib/libpthread/arch/ia64/ia64/enter_uts.S +++ /dev/null @@ -1,60 +0,0 @@ -/* - * 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. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -/* - * void _ia64_enter_uts(kse_func_t uts, struct kse_mailbox *km, void *stack, - * size_t stacksz); - */ -ENTRY(_ia64_enter_uts, 4) -{ .mmi - ld8 r14=[in0],8 - mov ar.rsc=0xc - add r15=in2,in3 - ;; -} -{ .mmi - flushrs - ld8 r1=[in0] - mov b7=r14 - ;; -} -{ .mii - mov ar.bspstore=in2 - add sp=-16,r15 - mov rp=r14 - ;; -} -{ .mib - mov ar.rsc=0xf - mov in0=in1 - br.cond.sptk b7 - ;; -} -1: br.cond.sptk 1b -END(_ia64_enter_uts) diff --git a/lib/libpthread/arch/ia64/ia64/pthread_md.c b/lib/libpthread/arch/ia64/ia64/pthread_md.c deleted file mode 100644 index dc59b0e..0000000 --- a/lib/libpthread/arch/ia64/ia64/pthread_md.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (c) 2003 Daniel Eischen <deischen@freebsd.org> - * Copyright (c) 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. 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 <stdlib.h> -#include <strings.h> - -#include "rtld_tls.h" -#include "pthread_md.h" - -/* - * The constructors. - */ -struct tcb * -_tcb_ctor(struct pthread *thread, int initial) -{ - register char *tp __asm("%r13"); - struct tcb *tcb; - - tcb = _rtld_allocate_tls((initial) ? tp : NULL, - sizeof(struct tcb), 16); - if (tcb == NULL) - return (NULL); - tcb->tcb_thread = thread; - return (tcb); -} - -void -_tcb_dtor(struct tcb *tcb) -{ - - _rtld_free_tls(tcb, sizeof(struct tcb), 16); -} - -struct kcb * -_kcb_ctor(struct kse *kse) -{ - struct kcb *kcb; - - kcb = malloc(sizeof(struct kcb)); - if (kcb == NULL) - return (NULL); - bzero(kcb, sizeof(struct kcb)); - kcb->kcb_kse = kse; - kcb->kcb_faketcb.tcb_isfake = 1; - kcb->kcb_faketcb.tcb_tmbx.tm_flags = TMF_NOUPCALL; - kcb->kcb_curtcb = &kcb->kcb_faketcb; - return (kcb); -} - -void -_kcb_dtor(struct kcb *kcb) -{ - free(kcb); -} diff --git a/lib/libpthread/arch/ia64/include/atomic_ops.h b/lib/libpthread/arch/ia64/include/atomic_ops.h deleted file mode 100644 index 483c905..0000000 --- a/lib/libpthread/arch/ia64/include/atomic_ops.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * 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. - * - * $FreeBSD$ - */ - -#ifndef _ATOMIC_OPS_H_ -#define _ATOMIC_OPS_H_ - -static inline void -atomic_swap_int(int *dst, int val, int *res) -{ - __asm("xchg4 %0=[%2],%1" : "=r"(*res) : "r"(val), "r"(dst)); -} - -static inline void -atomic_swap_long(long *dst, long val, long *res) -{ - __asm("xchg8 %0=[%2],%1" : "=r"(*res) : "r"(val), "r"(dst)); -} - -#define atomic_swap_ptr(d,v,r) \ - atomic_swap_long((long*)d, (long)v, (long*)r) - -#endif /* _ATOMIC_OPS_H_ */ diff --git a/lib/libpthread/arch/ia64/include/pthread_md.h b/lib/libpthread/arch/ia64/include/pthread_md.h deleted file mode 100644 index c5fef18..0000000 --- a/lib/libpthread/arch/ia64/include/pthread_md.h +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright (c) 2003-2006 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. - * - * 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 _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_dtv) - -#define THR_GETCONTEXT(ucp) _ia64_save_context(&(ucp)->uc_mcontext) -#define THR_SETCONTEXT(ucp) PANIC("THR_SETCONTEXT() now in use!\n") - -#define PER_THREAD - -struct kcb; -struct kse; -struct pthread; -struct tcb; - -/* - * tp points to one of these. We define the TLS structure as a union - * containing a long double to enforce 16-byte alignment. This makes - * sure that there will not be any padding in struct tcb after the - * TLS structure. - */ -union ia64_tp { - void *tp_dtv; - long double _align_; -}; - -struct tcb { - struct kse_thr_mailbox tcb_tmbx; - struct pthread *tcb_thread; - struct kcb *tcb_curkcb; - long tcb_isfake; - union ia64_tp tcb_tp; -}; - -struct kcb { - struct kse_mailbox kcb_kmbx; - struct kse *kcb_kse; - struct tcb *kcb_curtcb; - struct tcb kcb_faketcb; -}; - -static __inline struct tcb * -ia64_get_tcb() -{ - register char *tp __asm("%r13"); - - return ((struct tcb *)(tp - offsetof(struct tcb, tcb_tp))); -} - -static __inline void -ia64_set_tcb(struct tcb *tcb) -{ - register char *tp __asm("%r13"); - - __asm __volatile("mov %0 = %1;;" : "=r"(tp) : "r"(&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. */ - ia64_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 (ia64_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 tcb *tcb; - struct kse_thr_mailbox *crit; - uint32_t flags; - - tcb = ia64_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 = ia64_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 = ia64_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; - ia64_set_tcb(tcb); -} - -static __inline struct tcb * -_tcb_get(void) -{ - return (ia64_get_tcb()); -} - -static __inline struct pthread * -_get_curthread(void) -{ - return (ia64_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 (ia64_get_tcb()->tcb_curkcb->kcb_kse); -} - -void _ia64_break_setcontext(mcontext_t *mc); -void _ia64_enter_uts(kse_func_t uts, struct kse_mailbox *km, void *stack, - size_t stacksz); -int _ia64_restore_context(mcontext_t *mc, intptr_t val, intptr_t *loc); -int _ia64_save_context(mcontext_t *mc); - -static __inline int -_thread_enter_uts(struct tcb *tcb, struct kcb *kcb) -{ - if (_ia64_save_context(&tcb->tcb_tmbx.tm_context.uc_mcontext) == 0) { - /* Make the fake tcb the current thread. */ - kcb->kcb_curtcb = &kcb->kcb_faketcb; - ia64_set_tcb(&kcb->kcb_faketcb); - _ia64_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) -{ - mcontext_t *mc; - - _tcb_set(kcb, tcb); - mc = &tcb->tcb_tmbx.tm_context.uc_mcontext; - if (mc->mc_flags & _MC_FLAGS_ASYNC_CONTEXT) { - if (setmbox) { - mc->mc_flags |= _MC_FLAGS_KSE_SET_MBOX; - mc->mc_special.ifa = - (intptr_t)&kcb->kcb_kmbx.km_curthread; - mc->mc_special.isr = (intptr_t)&tcb->tcb_tmbx; - } - _ia64_break_setcontext(mc); - } else if (mc->mc_flags & _MC_FLAGS_SYSCALL_CONTEXT) { - if (setmbox) - kse_switchin(&tcb->tcb_tmbx, KSE_SWITCHIN_SETTMBX); - else - kse_switchin(&tcb->tcb_tmbx, 0); - } else { - if (setmbox) - _ia64_restore_context(mc, (intptr_t)&tcb->tcb_tmbx, - (intptr_t *)&kcb->kcb_kmbx.km_curthread); - else - _ia64_restore_context(mc, 0, NULL); - } - /* We should not reach here. */ - return (-1); -} - -#endif /* _PTHREAD_MD_H_ */ |
