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Keir Fraser
c56fe82b7d
Let gcc access r13 itself, leading to better code Signed-off-by: Samuel Thibault <samuel.thibault@citrix.com>
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/*
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* Copyright (c) 2006 Dietmar Hahn <dietmar.hahn@fujitsu-siemens.com>
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* All rights reserved.
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*
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* The file contains ia64 specific scheduler declarations.
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*
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****************************************************************************
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __ARCH_SCHED_H__
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#define __ARCH_SCHED_H__
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#include "os.h"
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struct thread; /* Only declaration */
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struct thread_regs
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{
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unsigned long unat_b; /* NaT before spilling */
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unsigned long sp;
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unsigned long rp;
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unsigned long pr;
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unsigned long bsp;
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unsigned long pfs;
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unsigned long rnat;
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unsigned long lc;
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unsigned long unat_a; /* NaT after spilling. */
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unsigned long r4;
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unsigned long r5;
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unsigned long r6;
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unsigned long r7;
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unsigned long b1;
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unsigned long b2;
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unsigned long b3;
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unsigned long b4;
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unsigned long b5;
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ia64_fpreg_t f2;
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ia64_fpreg_t f3;
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ia64_fpreg_t f4;
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ia64_fpreg_t f5;
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ia64_fpreg_t f16;
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ia64_fpreg_t f17;
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ia64_fpreg_t f18;
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ia64_fpreg_t f19;
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ia64_fpreg_t f20;
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ia64_fpreg_t f21;
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ia64_fpreg_t f22;
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ia64_fpreg_t f23;
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ia64_fpreg_t f24;
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ia64_fpreg_t f25;
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ia64_fpreg_t f26;
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ia64_fpreg_t f27;
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ia64_fpreg_t f28;
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ia64_fpreg_t f29;
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ia64_fpreg_t f30;
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ia64_fpreg_t f31;
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};
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typedef struct thread_regs thread_regs_t;
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void arch_switch_threads(struct thread* prev, struct thread* next);
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static inline struct thread* get_current(void)
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{
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register struct thread *current asm("r13");
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return current;
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}
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#endif /* __ARCH_SCHED_H__ */
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