b934a68cf3
This was added ca. 2004 for the purpose of ensuring the caches were in the right state after the debugger set a breakpoint. kdb_cpu_sync_icache() was added in 2007 to handle that situation, and now the wbinv_all is actually harmful because the operation isn't broadcast to other cores.
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*-
|
|
* 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/frame.h>
|
|
#include <machine/psl.h>
|
|
#include <machine/cpufunc.h>
|
|
|
|
#define KDB_STOPPEDPCB(pc) &stoppcbs[pc->pc_cpuid]
|
|
|
|
static __inline void
|
|
kdb_cpu_clear_singlestep(void)
|
|
{
|
|
}
|
|
|
|
static __inline void
|
|
kdb_cpu_set_singlestep(void)
|
|
{
|
|
}
|
|
|
|
static __inline void
|
|
kdb_cpu_sync_icache(unsigned char *addr, size_t size)
|
|
{
|
|
|
|
cpu_icache_sync_range((vm_offset_t)addr, size);
|
|
}
|
|
|
|
static __inline void
|
|
kdb_cpu_trap(int type, int code)
|
|
{
|
|
}
|
|
|
|
#endif /* _MACHINE_KDB_H_ */
|