diff options
| -rw-r--r-- | common/image.c | 78 | ||||
| -rw-r--r-- | include/image.h | 10 |
2 files changed, 88 insertions, 0 deletions
diff --git a/common/image.c b/common/image.c index ab6b8e6..7362328 100644 --- a/common/image.c +++ b/common/image.c @@ -774,4 +774,82 @@ ulong get_boot_kbd (ulong alloc_current, bd_t **kbd) } #endif /* CONFIG_PPC || CONFIG_M68K */ +#if defined(CONFIG_FIT) +/*****************************************************************************/ +/* New uImage format routines */ +/*****************************************************************************/ +static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, + ulong *addr, const char **name) +{ + const char *sep; + + *addr = addr_curr; + *name = NULL; + + sep = strchr (spec, sepc); + if (sep) { + if (sep - spec > 0) + *addr = simple_strtoul (spec, NULL, 16); + + *name = sep + 1; + return 1; + } + + return 0; +} + +/** + * fit_parse_conf - parse FIT configuration spec + * @spec: input string, containing configuration spec + * @add_curr: current image address (to be used as a possible default) + * @addr: pointer to a ulong variable, will hold FIT image address of a given + * configuration + * @conf_name double pointer to a char, will hold pointer to a configuration + * unit name + * + * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, + * where <addr> is a FIT image address that contains configuration + * with a <conf> unit name. + * + * Address part is optional, and if omitted default add_curr will + * be used instead. + * + * returns: + * 1 if spec is a valid configuration string, + * addr and conf_name are set accordingly + * 0 otherwise + */ +inline int fit_parse_conf (const char *spec, ulong addr_curr, + ulong *addr, const char **conf_name) +{ + return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); +} + +/** + * fit_parse_subimage - parse FIT subimage spec + * @spec: input string, containing subimage spec + * @add_curr: current image address (to be used as a possible default) + * @addr: pointer to a ulong variable, will hold FIT image address of a given + * subimage + * @image_name: double pointer to a char, will hold pointer to a subimage name + * + * fit_parse_subimage() expects subimage spec in the for of + * [<addr>]:<subimage>, where <addr> is a FIT image address that contains + * subimage with a <subimg> unit name. + * + * Address part is optional, and if omitted default add_curr will + * be used instead. + * + * returns: + * 1 if spec is a valid subimage string, + * addr and image_name are set accordingly + * 0 otherwise + */ +inline int fit_parse_subimage (const char *spec, ulong addr_curr, + ulong *addr, const char **image_name) +{ + return fit_parse_spec (spec, ':', addr_curr, addr, image_name); +} +#endif /* CONFIG_FIT */ + #endif /* USE_HOSTCC */ diff --git a/include/image.h b/include/image.h index b4de49d..4923612 100644 --- a/include/image.h +++ b/include/image.h @@ -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__ */ |