freebsd-dev/sys/arm64/include/debug_monitor.h
Andrew Turner d7a3eada0a Move the struct debug_monitor_state out of _KERNEL.
Some userland libraries incude machine/pcb.h and this needs the full
definition of struct debug_monitor_state. To allow this to work move
stuct debug_monitor_state out of the _KERNEL guard.

Sponsored by:	DARPA, AFRL
2019-11-03 22:17:49 +00:00

71 lines
2.4 KiB
C

/*-
* Copyright (c) 2014 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf under
* the sponsorship of the FreeBSD Foundation.
*
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_DEBUG_MONITOR_H_
#define _MACHINE_DEBUG_MONITOR_H_
#define DBG_BRP_MAX 16
#define DBG_WRP_MAX 16
struct debug_monitor_state {
uint32_t dbg_enable_count;
uint32_t dbg_flags;
#define DBGMON_ENABLED (1 << 0)
#define DBGMON_KERNEL (1 << 1)
uint64_t dbg_bcr[DBG_BRP_MAX];
uint64_t dbg_bvr[DBG_BRP_MAX];
uint64_t dbg_wcr[DBG_WRP_MAX];
uint64_t dbg_wvr[DBG_WRP_MAX];
};
#ifdef _KERNEL
enum dbg_access_t {
HW_BREAKPOINT_X = 0,
HW_BREAKPOINT_R = 1,
HW_BREAKPOINT_W = 2,
HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
};
void dbg_monitor_init(void);
void dbg_register_sync(struct debug_monitor_state *);
int dbg_setup_watchpoint(struct debug_monitor_state *, vm_offset_t, vm_size_t,
enum dbg_access_t);
int dbg_remove_watchpoint(struct debug_monitor_state *, vm_offset_t, vm_size_t);
#ifdef DDB
void dbg_show_watchpoint(void);
#endif
#endif /* _KERNEL */
#endif /* _MACHINE_DEBUG_MONITOR_H_ */