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

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2004 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 _MACHINE_KDB_H_
    #define _MACHINE_KDB_H_
    
    #include <machine/cpufunc.h>
    #include <machine/frame.h>
    #include <machine/md_var.h>
    #include <machine/psl.h>
    #include <machine/spr.h>
    
    void kdb_cpu_clear_singlestep(void);
    void kdb_cpu_set_singlestep(void);
    
    #define KDB_STOPPEDPCB(pc)      &stoppcbs[pc->pc_cpuid]
    
    static __inline void
    kdb_cpu_sync_icache(unsigned char *addr, size_t size)
    {
    
            __syncicache(addr, size);
    }
    
    static __inline void
    kdb_cpu_trap(int vector, int _)
    {
    }
    
    static __inline int
    kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access)
    {
    
            return (ENXIO);
    }
    
    static __inline int
    kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size)
    {
    
            return (0);
    }
    
    #endif /* _MACHINE_KDB_H_ */

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