a76d88c55c
Change the pc_pcb field from a pointer to struct pcb to struct pcb so that sizeof(struct pcb) includes the PCB we use for IPI_STOP. Statically declare early_pcb so that we don't have to allocate the PCB for thread0. This way we can setup the PCPU before cninit() and thus before we use printf().
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*-
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* Copyright (c) 2004 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_KDB_H_
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#define _MACHINE_KDB_H_
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#include <machine/cpufunc.h>
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#include <machine/frame.h>
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#include <machine/ia64_cpu.h>
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#define KDB_STOPPEDPCB(pc) (&(pc)->pc_pcb)
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static __inline void
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kdb_cpu_clear_singlestep(void)
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{
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kdb_frame->tf_special.psr &= ~IA64_PSR_SS;
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}
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static __inline void
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kdb_cpu_set_singlestep(void)
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{
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kdb_frame->tf_special.psr |= IA64_PSR_SS;
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}
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static __inline void
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kdb_cpu_trap(int vector, int _)
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{
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__asm __volatile("flushrs;;");
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if (vector == IA64_VEC_BREAK &&
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kdb_frame->tf_special.ifa == IA64_FIXED_BREAK)
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kdb_frame->tf_special.psr += IA64_PSR_RI_1;
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}
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#endif /* _MACHINE_KDB_H_ */
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