subr_boot.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/reboot.h>
#include <sys/boot.h>

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Macros
#define	SETENV(k, v)   kern_setenv(k, v)
#define	GETENV(k)   kern_getenv(k)
#define	FREE(v)   freeenv(v)

Functions
	__FBSDID ("$FreeBSD$")
int	boot_env_to_howto (void)
	convert the env vars in howto_names into a howto mask More...
void	boot_howto_to_env (int howto)
	Set env vars from howto_names based on howto passed in. More...
int	boot_parse_arg (char *v)
	Helper routine to parse a single arg and return its mask. More...
int	boot_parse_cmdline_delim (char *cmdline, const char *delim)
	breakup the command line into args, and pass to boot_parse_arg More...
int	boot_parse_cmdline (char *cmdline)
	Simplified interface for common 'space or tab separated' args. More...
int	boot_parse_args (int argc, char *argv[])
	Pass a vector of strings to boot_parse_arg. More...

Variables
struct {
const char *   ev
int   mask
}	howto_names []

Macro Definition Documentation

FREE

#define FREE

(

v

)

freeenv(v)

Definition at line 55 of file subr_boot.c.

GETENV

#define GETENV

(

k

)

kern_getenv(k)

Definition at line 54 of file subr_boot.c.

SETENV

#define SETENV	(		k,
			v
	)		kern_setenv(k, v)

Definition at line 53 of file subr_boot.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

boot_env_to_howto()

int boot_env_to_howto

(

void

)

convert the env vars in howto_names into a howto mask

Definition at line 93 of file subr_boot.c.

References ev, FREE, GETENV, and howto_names.

boot_howto_to_env()

void boot_howto_to_env

(

int

howto

)

Set env vars from howto_names based on howto passed in.

Definition at line 111 of file subr_boot.c.

References ev, howto_names, mask, and SETENV.

boot_parse_arg()

int boot_parse_arg

(

char *

v

)

Helper routine to parse a single arg and return its mask.

Parse all the - options to create a mask (or a serial speed in the case of -S). If the arg doesn't start with '-' assume it's an env variable and set that instead.

Definition at line 128 of file subr_boot.c.

References SETENV.

Referenced by boot_parse_args(), and boot_parse_cmdline_delim().

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boot_parse_args()

int boot_parse_args	(	int	argc,
		char *	argv[]
	)

Pass a vector of strings to boot_parse_arg.

Definition at line 215 of file subr_boot.c.

References boot_parse_arg().

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boot_parse_cmdline()

int boot_parse_cmdline

(

char *

cmdline

)

Simplified interface for common 'space or tab separated' args.

Definition at line 205 of file subr_boot.c.

References boot_parse_cmdline_delim().

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boot_parse_cmdline_delim()

int boot_parse_cmdline_delim	(	char *	cmdline,
		const char *	delim
	)

breakup the command line into args, and pass to boot_parse_arg

Definition at line 187 of file subr_boot.c.

References boot_parse_arg().

Referenced by boot_parse_cmdline().

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Variable Documentation

ev

const char* ev

Definition at line 64 of file subr_boot.c.

Referenced by boot_env_to_howto(), boot_howto_to_env(), notify(), pmc_soft_ev_acquire(), selrescan(), selscan(), sys_kmq_notify(), and sys_ktimer_create().

struct { ... } howto_names[]

Initial value:

= {
        { "boot_askname",       RB_ASKNAME},
        { "boot_cdrom",         RB_CDROM},
        { "boot_ddb",           RB_KDB},
        { "boot_dfltroot",      RB_DFLTROOT},
        { "boot_gdb",           RB_GDB},
        { "boot_multicons",     RB_MULTIPLE},
        { "boot_mute",          RB_MUTE},
        { "boot_pause",         RB_PAUSE},
        { "boot_serial",        RB_SERIAL},
        { "boot_single",        RB_SINGLE},
        { "boot_verbose",       RB_VERBOSE},
        { NULL, 0}
}

Referenced by boot_env_to_howto(), and boot_howto_to_env().

mask

int mask

Definition at line 65 of file subr_boot.c.

Referenced by boot_howto_to_env().