File: [local] / prex-old / sys / include / debug.h (download)
Revision 1.1.1.1 (vendor branch), Tue Jun 3 09:38:45 2008 UTC (16 years, 1 month ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_7_BASE, HEAD Branch point for: PREX_0_8_BASE
Changes since 1.1: +0 -0 lines
Yeah, this is an initial import of Prex, portable real-time microkernel
operating system. I wanna hack it for non-profit but fun, so let it in.
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/*-
* Copyright (c) 2005-2006, Kohsuke Ohtani
* 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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.
*/
#ifndef _DEBUG_H
#define _DEBUG_H
#define MSGBUFSZ 128 /* Size of one kernel message */
/*
* BREAKPOINT()
*
* Break into debugger.
* This works only with a debug version, and only when debugger
* is attached.
*/
#ifdef DEBUG
#define BREAKPOINT() breakpoint()
#else
#define BREAKPOINT() do {} while (0)
#endif
/*
* printk()
*
* Print out kernel message to the debug port.
* The message is enabled only when DEBUG build.
*/
#ifdef DEBUG
extern void printk(const char *fmt, ...);
#else
#define printk(fmt...) do {} while (0)
#endif
/*
* panic()
*
* Reset CPU for fatal error.
* If debugger is attached, break into it.
*/
#ifdef DEBUG
extern void panic(const char *fmt, ...);
#else
extern void machine_reset(void);
#define panic(fmt...) machine_reset()
#endif
/*
* ASSERT(exp)
*
* If exp is false(zero), stop with source info.
* This is enabled only when DEBUG build. An asserion check
* should be used only for invalid kernel condition.
* It can not be used to check the input argument from user
* mode because kernel must not do panic for it. The kernel
* should return an appropriate error code in such case.
*/
#ifdef DEBUG
extern void assert(const char *file, int line, const char *exp);
#define ASSERT(exp) do { if (!(exp)) \
assert(__FILE__, __LINE__, #exp); } while (0)
#else
#define ASSERT(exp) do {} while (0)
#endif
/*
* Command for sys_debug()
*/
#define DCMD_DUMP 0
#define DCMD_LOGSIZE 1
#define DCMD_GETLOG 2
/*
* Items for debug_dump()
*/
#define DUMP_THREAD 1
#define DUMP_TASK 2
#define DUMP_OBJECT 3
#define DUMP_TIMER 4
#define DUMP_IRQ 5
#define DUMP_DEVICE 6
#define DUMP_VM 7
#define DUMP_MSGLOG 8
#define DUMP_TRACE 9
#ifdef DEBUG
extern void boot_dump(void);
extern int log_get(char **, size_t *);
#endif
extern int debug_dump(int);
extern void debug_attach(void (*)(char *));
#endif /* !_DEBUG_H */