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/*
** @file klib.h
**
** @author Warren R. Carithers
**
** Additional support functions for the kernel.
*/
#ifndef KLIB_H_
#define KLIB_H_
#include <common.h>
#ifndef ASM_SRC
#include <x86/ops.h>
/**
** Name: put_char_or_code( ch )
**
** Description: Prints a character on the console, unless it
** is a non-printing character, in which case its hex code
** is printed
**
** @param ch The character to be printed
*/
void put_char_or_code(int ch);
/**
** Name: backtrace
**
** Perform a simple stack backtrace. Could be augmented to use the
** symbol table to print function/variable names, etc., if so desired.
**
** @param ebp Initial EBP to use
** @param args Number of function argument values to print
*/
void backtrace(uint32_t *ebp, uint_t args);
/**
** Name: kpanic
**
** Kernel-level panic routine
**
** usage: kpanic( msg )
**
** Prefix routine for panic() - can be expanded to do other things
** (e.g., printing a stack traceback)
**
** @param msg[in] String containing a relevant message to be printed,
** or NULL
*/
void kpanic(const char *msg);
#endif /* !ASM_SRC */
#endif
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