UbixOS  2.0
kpanic.c
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1 /*-
2  * Copyright (c) 2002-2018 The UbixOS Project.
3  * All rights reserved.
4  *
5  * This was developed by Christopher W. Olsen for the UbixOS Project.
6  *
7  * Redistribution and use in source and binary forms, with or without modification, are permitted
8  * provided that the following conditions are met:
9  *
10  * 1) Redistributions of source code must retain the above copyright notice, this list of
11  * conditions, the following disclaimer and the list of authors.
12  * 2) Redistributions in binary form must reproduce the above copyright notice, this list of
13  * conditions, the following disclaimer and the list of authors in the documentation and/or
14  * other materials provided with the distribution.
15  * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to
16  * endorse or promote products derived from this software without specific prior written
17  * permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
20  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
24  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/_null.h>
30 #include <ubixos/kpanic.h>
31 #include <lib/kprintf.h>
32 #include <isa/8259.h>
33 #include <stdarg.h>
34 #include <ubixos/tty.h>
35 
42 void kpanic(const char *fmt, ...) {
43  char buf[512];
44  va_list args;
45 
46  va_start(args, fmt);
47  vsprintf(buf, fmt, args);
48  va_end(args);
49 
50  /* It's important that we print on the current terminal so let's reset foreground */
51  tty_foreground = NULL;
52  kprintf("kPanic: %s", buf);
53 
54  /* Halt The System */
55  //asm("cli");
56  irqDisable(0x0);
57 
58  while (1) {
59  asm("hlt");
60  }
61 
62 }
63 
64 /***
65  END
66  ***/
67 
8259.h
irqDisable
void irqDisable(uInt16 irqNo)
va_end
#define va_end(ap)
Definition: stdarg.h:50
va_list
char * va_list
Definition: stdarg.h:32
kpanic
void kpanic(const char *fmt,...)
print panic message and halt system
Definition: kpanic.c:41
kpanic.h
va_start
#define va_start(ap, last)
Definition: stdarg.h:41
stdarg.h
kprintf.h
buf
Definition: buf.h:35
tty.h
tty_foreground
tty_term * tty_foreground
Definition: tty.c:38
vsprintf
int vsprintf(char *buf, const char *fmt, va_list args)
Definition: vsprintf.c:124
_null.h
kprintf
int kprintf(const char *,...)
Definition: kprintf.c:259
NULL
#define NULL
Definition: fat_string.h:17