nvram.h File Reference

Contains various values used for reading/writing nvram settings. More...

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Data Structures
struct	nvram_header
struct	nvram_tuple
Defines
#define	NVRAM_LOCATION   0xbc3f8000
	NVRAM variables are located at base flash + size of flash - 0x8000.
#define	NVRAM_MAGIC   0x48534c46
	'FLSH' in little-endian
#define	NVRAM_SIZE   0x8000
	bytes reserved for nvram space
#define	NVRAM_PAIRS   256
	maximum number of name=value pairs
Functions
devcall	nvramInit (void)
	Initialize the nvram variable structures for editing.
char *	nvramGet (char *name)
	Find the value of a variable.
Variables
struct nvram_header *	nvram_header
	header data for nvram
struct nvram_tuple *	nvram_tuples [NVRAM_PAIRS]
	array of pointers to tuples

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Detailed Description

Contains various values used for reading/writing nvram settings.

Id

nvram.h 1485 2008-08-15 19:44:02Z brylow

Definition in file nvram.h.

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Function Documentation

char* nvramGet

(

char *

name

)

Find the value of a variable.

Parameters:

*name

name of variable to find

Returns:

pointer to beginning of value

Definition at line 117 of file nvram.c.

References NULL, nvram_tuples, nvramHash(), nvramInit(), OK, and strlen().

Referenced by etherInit(), and xsh_nvram().

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devcall nvramInit

(

void

)

Initialize the nvram variable structures for editing.

Returns:

OK on success, SYSERR on failure

Definition at line 26 of file nvram.c.

References memcpy(), memget(), NULL, nvram_header, NVRAM_LOCATION, NVRAM_MAGIC, NVRAM_PAIRS, nvram_tuples, nvramInsert(), OK, strlen(), and SYSERR.

Referenced by nvramGet(), sysinit(), and xsh_nvram().

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