boot.h File Reference

#include <stdarg.h>
#include <linux/types.h>
#include <linux/edd.h>
#include <asm/boot.h>
#include <asm/setup.h>
#include "bitops.h"
#include <asm/cpufeature.h>
#include <asm/processor-flags.h>
#include "ctype.h"

Go to the source code of this file.

Data Structures
struct	biosregs
struct	cpu_features

Macros
#define	STACK_SIZE   512 /* Minimum number of bytes for stack */
#define	BUILD_BUG_ON(condition)   ((void)sizeof(char[1 - 2*!!(condition)]))
#define	ARRAY_SIZE(x)   (sizeof(x) / sizeof(*(x)))
#define	cpu_relax()   asm volatile("rep; nop")
#define	RESET_HEAP()   ((void *)( HEAP = _end ))
#define	GET_HEAP(type, n)   ((type *)__get_heap(sizeof(type),__alignof__(type),(n)))
#define	memcpy(d, s, l)   __builtin_memcpy(d,s,l)
#define	memset(d, c, l)   __builtin_memset(d,c,l)

Typedefs
typedef unsigned int	addr_t

Functions
void	copy_to_fs (addr_t dst, void *src, size_t len)
void *	copy_from_fs (void *dst, addr_t src, size_t len)
void	copy_to_gs (addr_t dst, void *src, size_t len)
void *	copy_from_gs (void *dst, addr_t src, size_t len)
void *	memcpy (void *dst, void *src, size_t len)
void *	memset (void *dst, int c, size_t len)
int	enable_a20 (void)
int	query_apm_bios (void)
void	intcall (u8 int_no, const struct biosregs *ireg, struct biosregs *oreg)
int	__cmdline_find_option (u32 cmdline_ptr, const char *option, char *buffer, int bufsize)
int	__cmdline_find_option_bool (u32 cmdline_ptr, const char *option)
int	check_cpu (int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr)
int	validate_cpu (void)
void	console_init (void)
void	query_edd (void)
void	__attribute__ ((noreturn)) die(void)
int	query_mca (void)
int	detect_memory (void)
int	sprintf (char *buf, const char *fmt,...)
int	vsprintf (char *buf, const char *fmt, va_list args)
int	printf (const char *fmt,...)
void	initregs (struct biosregs *regs)
int	strcmp (const char *str1, const char *str2)
int	strncmp (const char *cs, const char *ct, size_t count)
size_t	strnlen (const char *s, size_t maxlen)
unsigned int	atou (const char *s)
unsigned long long	simple_strtoull (const char *cp, char **endp, unsigned int base)
void	puts (const char *)
void	putchar (int)
int	getchar (void)
void	kbd_flush (void)
int	getchar_timeout (void)
void	set_video (void)
int	set_mode (u16 mode)
int	mode_defined (u16 mode)
void	probe_cards (int unsafe)
void	vesa_store_edid (void)

Variables
struct setup_header	hdr
struct boot_params	boot_params
char	_end []
char *	HEAP
char *	heap_end
struct cpu_features	cpu
int	early_serial_base
void u32	bootparams

Macro Definition Documentation

#define ARRAY_SIZE

(

x

)

(sizeof(x) / sizeof(*(x)))

Definition at line 36 of file boot.h.

#define BUILD_BUG_ON

(

condition

)

((void)sizeof(char[1 - 2*!!(condition)]))

Definition at line 34 of file boot.h.

#define cpu_relax

(

void

)

asm volatile("rep; nop")

Definition at line 41 of file boot.h.

#define GET_HEAP	(		type,
			n
	)		((type *)__get_heap(sizeof(type),__alignof__(type),(n)))

Definition at line 218 of file boot.h.

#define memcpy	(		d,
			s,
			l
	)		__builtin_memcpy(d,s,l)

Definition at line 235 of file boot.h.

#define memset	(		d,
			c,
			l
	)		__builtin_memset(d,c,l)

Definition at line 236 of file boot.h.

#define RESET_HEAP

(

)

((void *)( HEAP = _end ))

Definition at line 208 of file boot.h.

#define STACK_SIZE   512 /* Minimum number of bytes for stack */

Definition at line 19 of file boot.h.

Typedef Documentation

typedef unsigned int addr_t

Definition at line 114 of file boot.h.

Function Documentation

void __attribute__

(

(noreturn)

)

int __cmdline_find_option	(	u32	cmdline_ptr,
		const char *	option,
		char *	buffer,
		int	bufsize
	)

Definition at line 30 of file cmdline.c.

int __cmdline_find_option_bool	(	u32	cmdline_ptr,
		const char *	option
	)

Definition at line 102 of file cmdline.c.

unsigned int atou

(

const char *

s

)

Definition at line 60 of file string.c.

int check_cpu	(	int *	cpu_level_ptr,
		int *	req_level_ptr,
		u32 **	err_flags_ptr
	)

Definition at line 180 of file cpucheck.c.

void console_init

(

void

)

Definition at line 145 of file early_serial_console.c.

void* copy_from_fs	(	void *	dst,
		addr_t	src,
		size_t	len
	)

void* copy_from_gs	(	void *	dst,
		addr_t	src,
		size_t	len
	)

void copy_to_fs	(	addr_t	dst,
		void *	src,
		size_t	len
	)

void copy_to_gs	(	addr_t	dst,
		void *	src,
		size_t	len
	)

int detect_memory

(

void

)

Definition at line 122 of file memory.c.

int enable_a20

(

void

)

Definition at line 130 of file a20.c.

int getchar

(

void

)

Definition at line 88 of file tty.c.

int getchar_timeout

(

void

)

Definition at line 119 of file tty.c.

void initregs

(

struct biosregs *

regs

)

Definition at line 21 of file regs.c.

void intcall	(	u8	int_no,
		const struct biosregs *	ireg,
		struct biosregs *	oreg
	)

void kbd_flush

(

void

)

Definition at line 110 of file tty.c.

void* memcpy	(	void *	dst,
		void *	src,
		size_t	len
	)

void* memset	(	void *	s,
		int	c,
		size_t	count
	)

memset - Fill a region of memory with the given value : Pointer to the start of the area. : The byte to fill the area with : The size of the area.

Do not use memset() to access IO space, use memset_io() instead.

Definition at line 116 of file string.c.

int mode_defined

(

u16

mode

)

Definition at line 54 of file video-mode.c.

int printf	(	const char *	fmt,
			...
	)

Definition at line 323 of file stdio.c.

void probe_cards

(

int

unsafe

)

Definition at line 33 of file video-mode.c.

void putchar

(

int

)

void puts

(

const char *

)

Definition at line 95 of file misc.c.

int query_apm_bios

(

void

)

Definition at line 21 of file apm.c.

void query_edd

(

void

)

int query_mca

(

void

)

Definition at line 18 of file mca.c.

int set_mode

(

u16

mode

)

Definition at line 147 of file video-mode.c.

void set_video

(

void

)

Definition at line 315 of file video.c.

unsigned long long simple_strtoull	(	const char *	cp,
		char **	endp,
		unsigned int	base
	)

simple_strtoull - convert a string to an unsigned long long : The start of the string : A pointer to the end of the parsed string will be placed here : The number base to use

Definition at line 90 of file string.c.

int sprintf	(	char *	buf,
		const char *	fmt,
			...
	)

sprintf - Format a string and place it in a buffer : The buffer to place the result into : The format string to use ..: Arguments for the format string

The function returns the number of characters written into . Use snprintf() or scnprintf() in order to avoid buffer overflows.

See the vsnprintf() documentation for format string extensions over C99.

Definition at line 309 of file stdio.c.

int strcmp	(	const char *	cs,
		const char *	ct
	)

strcmp - Compare two strings : One string : Another string

returns 0 if and are equal, < 0 if is less than > 0 if is greater than

strcmp - Compare two strings : One string : Another string

Definition at line 81 of file string.c.

int strncmp	(	const char *	cs,
		const char *	ct,
		size_t	count
	)

strncmp - Compare two length-limited strings : One string : Another string : The maximum number of bytes to compare

Definition at line 33 of file string.c.

size_t strnlen	(	const char *	s,
		size_t	count
	)

strnlen - Find the length of a length-limited string : The string to be sized
: The maximum number of bytes to search

returns the minimum of the length of and

strnlen - Find the length of a length-limited string : The string to be sized : The maximum number of bytes to search

Definition at line 15 of file stdio.c.

int validate_cpu

(

void

)

Definition at line 35 of file cpu.c.

void vesa_store_edid

(

void

)

Definition at line 237 of file video-vesa.c.

int vsprintf	(	char *	buf,
		const char *	fmt,
		va_list	args
	)

vsprintf - Format a string and place it in a buffer : The buffer to place the result into : The format string to use : Arguments for the format string

The function returns the number of characters written into . Use vsnprintf() or vscnprintf() in order to avoid buffer overflows.

If you're not already dealing with a va_list consider using sprintf().

See the vsnprintf() documentation for format string extensions over C99.

Definition at line 126 of file stdio.c.

Variable Documentation

char _end[]

struct boot_params boot_params

Definition at line 147 of file setup.c.

void u32 bootparams

Definition at line 332 of file boot.h.

struct cpu_features cpu

Definition at line 46 of file kvm_host.h.

int early_serial_base

Definition at line 18 of file tty.c.

struct setup_header hdr

Definition at line 35 of file hvsi.h.

char* HEAP

Definition at line 20 of file main.c.

char* heap_end

Definition at line 21 of file main.c.