kdb.h

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    1 /*-
    2  * Copyright (c) 2004 Marcel Moolenaar
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * $FreeBSD$
   27  */
   28 
   29 #ifndef _MACHINE_KDB_H_
   30 #define _MACHINE_KDB_H_
   31 
   32 #include <machine/cpufunc.h>
   33 
   34 #define KDB_STOPPEDPCB(pc)      &stoppcbs[pc->pc_cpuid]
   35 
   36 static __inline void
   37 kdb_cpu_clear_singlestep(void)
   38 {
   39 }
   40 
   41 static __inline void
   42 kdb_cpu_set_singlestep(void)
   43 {
   44 }
   45 
   46 static __inline void
   47 kdb_cpu_sync_icache(unsigned char *addr, size_t size)
   48 {
   49 
   50         /*
   51          * Other CPUs flush their instruction cache when resuming from
   52          * IPI_STOP.
   53          */
   54         fence_i();
   55 }
   56 
   57 static __inline void
   58 kdb_cpu_trap(int type, int code)
   59 {
   60 }
   61 
   62 static __inline int
   63 kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access)
   64 {
   65 
   66         return (ENXIO);
   67 }
   68 
   69 static __inline int
   70 kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size)
   71 {
   72 
   73         return (0);
   74 }
   75 
   76 #endif /* _MACHINE_KDB_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/riscv/include/kdb.h

FreeBSD/Linux Kernel Cross Reference
sys/riscv/include/kdb.h