From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jonathan Larmour <jlarmour@redhat.com>
To: "Dennis Ehlin (ECS)" <Dennis.Ehlin@ecs.ericsson.se>
Cc: ecos-discuss@sources.redhat.com
Subject: Re: [ECOS] Redboot boot script?
Date: Mon, 23 Apr 2001 10:58:00 -0000
Message-id: <3AE46D44.51FFDEE3@redhat.com>
References: <2310E22AE31BD51189DB00A0C9DF89F85A2798@eseklnt101.kl.sw.ericsson.se>
X-SW-Source: 2001-04/msg00327.html

"Dennis Ehlin (ECS)" wrote:
> 
> Is it possible to use a "static boot script" i.e a script defined when RedBoot is compiled ?
> And this without having any flash memory support compiled into RedBoot.
> 
> What I want to do is to get RedBoot to load an image from flash into RAM an exec it after a delay.

Not at present but I think it would be trivial to add.

FWIW, here's my thoughts. Create a new CDL option for scripting, 
CYGFUN_REDBOOT_BOOT_SCRIPT. This can be enabled either when
CYGSEM_REDBOOT_FLASH_CONFIG is enabled, or if a new option of flavor
booldata called CYGDAT_REDBOOT_DEFAULT_BOOT_SCRIPT is defined.

Change this ifdef in redboot.h:

#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
EXTERN unsigned char *script;
EXTERN int script_timeout;
#endif

to #ifdef CYGFUN_REDBOOT_BOOT_SCRIPT

At around line 215 or so of redboot's main.c change:

#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
    // Give the guy a chance to abort any boot script
    if (script) {

to

#ifdef CYGFUN_REDBOOT_BOOT_SCRIPT
    // Give the guy a chance to abort any boot script
#ifdef CYGDAT_REDBOOT_DEFAULT_BOOT_SCRIPT
    if (!script)
      script = CYGDAT_REDBOOT_DEFAULT_BOOT_SCRIPT;
#endif
    if (script) {

You'll need to do some further tweaking of the CDL options to move some of
the existing options to do with scripting underneath the new
CYGFUN_REDBOOT_BOOT_SCRIPT component.

If you did that and sent the patches, that would be brill :-).

Jifl
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