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[new uImage] Add fit_parse_conf() and fit_parse_subimage() routines

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Introducing routines for parsing new uImage format bootm arguments:
[<addr>]#<conf>		- configuration specification
[<addr>]:<subimg>	- subimage specification

New format images can contain multiple subimages of the same type. For example
a single new format image file can contain three kernels, two ramdisks and a
couple of FDT blobs. Subimage and configuration specifications are extensions
to bootm (and other image-related commands) arguments' syntax that allow to
specify which particular subimage should be operated on.

Subimage specification is used to denote a particular subimage. Configurations
are a bit more complex -- they are used to define a particualr booting setup,
for example a (kernel, fdt blob) pair, or a (kernel, ramdisk, fdt blob) tuple,
etc.

Signed-off-by: Marian Balakowicz <m8@semihalf.com>
This commit is contained in:
Marian Balakowicz
2008-02-21 17:20:20 +01:00
parent fff888a199
commit f50433d670
2 changed files with 88 additions and 0 deletions
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10
include/image.h
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@@ -367,6 +367,16 @@ ulong get_boot_cmdline (ulong alloc_current, ulong *cmd_start, ulong *cmd_end);
ulong get_boot_kbd (ulong alloc_current, bd_t **kbd);
#endif /* CONFIG_PPC || CONFIG_M68K */
#if defined(CONFIG_FIT)
/*
* New uImage format
*/
inline int fit_parse_conf (const char *spec, ulong addr_curr,
ulong *addr, const char **conf_name);
inline int fit_parse_subimage (const char *spec, ulong addr_curr,
ulong *addr, const char **image_name);
#endif /* CONFIG_FIT */
#endif /* USE_HOSTCC */
#endif /* __IMAGE_H__ */