env_vars.h revision 199767f8919635c4928607450d9e0abb932109ce
/******************************************************************************
*
* Filename: env_vars.h
*
* Definition of environment variables, structures, and other globals.
*
* Revision information:
*
* 20AUG2004 kb_admin initial creation
*
* BEGIN_KBDD_BLOCK
* No warranty, expressed or implied, is included with this software. It is
* provided "AS IS" and no warranty of any kind including statutory or aspects
* relating to merchantability or fitness for any purpose is provided. All
* intellectual property rights of others is maintained with the respective
* owners. This software is not copyrighted and is intended for reference
* only.
* END_BLOCK
*
* $FreeBSD$
*****************************************************************************/
#ifndef _ENV_VARS_H_
#define _ENV_VARS_H_
/* each environment variable is a string following the standard command */
/* definition used by the interactive loader in the following format: */
/* <command> <parm1> <parm2> ... */
/* all environment variables (or commands) are stored in a string */
/* format: NULL-terminated. */
/* this implies that commands can never utilize 0-values: actual 0, not */
/* the string '0'. this is not an issue as the string '0' is handled */
/* by the command parse routine. */
/* the following defines the maximum size of the environment for */
/* including variables. */
/* this value must match that declared in the low-level file that */
/* actually reserves the space for the non-volatile environment. */
#define MAX_ENV_SIZE_BYTES 0x100
#define MAX_BOOT_COMMANDS 10
/* C-style reference section */
#ifndef __ASSEMBLY__
extern void WriteCommandTable(void);
extern void DumpBootCommands(void);
extern void LoadBootCommands(void);
extern void ExecuteEnvironmentFunctions(void);
#endif /* !__ASSEMBLY__ */
#endif /* _ENV_VARS_H_ */