util.h File Reference

#include "asm.h"

Macros
#define	assert(X)   {if (!(X)) { out_string("\nAssertion failed: '" #X "'\n\n"); __exit(0xbadbbbad);}}
#define	memcpy(x, y, z)   __builtin_memcpy(x,y,z)
	we want inlined stringops
#define	memset(x, y, z)   __builtin_memset(x,y,z)
#define	strlen(x)   __builtin_strlen(x)
#define	ERROR(result, value, msg)
	A fatal error happens if value is true.
#define	CHECK3(result, value, msg)
	Returns result and prints the msg, if value is true.
#define	CHECK4(result, value, msg, hex)
	Returns result and prints the msg and hex, if value is true.

Functions
int	out_char (unsigned value)
	lowlevel output functions
void	out_unsigned (unsigned int value, int len, unsigned base, char flag)
void	out_string (const char *value)
	Output a string.
void	out_hex (unsigned int value, unsigned int bitlen)
void	out_description (const char *prefix, unsigned int value)
	Output a string followed by a single hex value, prefixed with a message label.
void	out_info (const char *msg)
	Output a string, prefixed with a message label.
char *	get_arg (char **, char)
int	strcmp (char const *, char const *)
unsigned long	strtoul (char const *, char const **, int)
void	wait (int ms)
	Helper functions.
void	__exit (unsigned status) __attribute__((noreturn))
	Print the exit status and reboot the machine.
int	check_cpuid (void)
int	enable_svm (void)
void	serial_init (void)

Variables
const char const *	message_label
	every message with out_description is prefixed with message_label

Macro Definition Documentation

#define assert

(

X

)

{if (!(X)) { out_string("\nAssertion failed: '" #X "'\n\n"); __exit(0xbadbbbad);}}

#define CHECK3	(		result,
			value,
			msg
	)

Value:

{                                                       \
    if (value)                                          \
      {                                                 \
        out_info(msg);                                  \
        return result;                                  \
      }                                                 \
  }

Returns result and prints the msg, if value is true.

#define CHECK4	(		result,
			value,
			msg,
			hex
	)

Value:

{                                                       \
    if (value)                                          \
      {                                                 \
        out_description(msg, hex);                      \
        return result;                                  \
      }                                                 \
  }

Returns result and prints the msg and hex, if value is true.

#define ERROR	(		result,
			value,
			msg
	)

Value:

{                                                               \
    if (value)                                                  \
      {                                                         \
        out_string(msg);                                        \
        __exit(result);                                         \
      }                                                         \
  }

A fatal error happens if value is true.

#define memcpy	(		x,
			y,
			z
	)		__builtin_memcpy(x,y,z)

we want inlined stringops

#define memset	(		x,
			y,
			z
	)		__builtin_memset(x,y,z)

#define strlen

(

x

)

__builtin_strlen(x)

Function Documentation

void __exit

(

unsigned

status

)

Print the exit status and reboot the machine.

int check_cpuid

(

void

)

int enable_svm

(

void

)

char* get_arg	(	char **	,
		char
	)

int out_char

(

unsigned

value

)

lowlevel output functions

lowlevel output functions

Note: We allow only to put a char on the last line.

void out_description	(	const char *	prefix,
		unsigned int	value
	)

Output a string followed by a single hex value, prefixed with a message label.

void out_hex	(	unsigned int	value,
		unsigned int	bitlen
	)

void out_info

(

const char *

msg

)

Output a string, prefixed with a message label.

void out_string

(

const char *

value

)

Output a string.

void out_unsigned	(	unsigned int	value,
		int	len,
		unsigned	base,
		char	flag
	)

void serial_init

(

void

)

int strcmp	(	char const *	,
		char const *
	)

unsigned long strtoul	(	char const *	,
		char const **	,
		int
	)

void wait

(

int

ms

)

Helper functions.

Helper functions.

We use the PIT for this.

Variable Documentation

const char const* message_label

every message with out_description is prefixed with message_label