diff options
| -rw-r--r-- | common/bootsource.c | 24 | ||||
| -rw-r--r-- | include/bootsource.h | 4 |
2 files changed, 28 insertions, 0 deletions
diff --git a/common/bootsource.c b/common/bootsource.c index 5f1d40c1d8..7367215a5f 100644 --- a/common/bootsource.c +++ b/common/bootsource.c @@ -34,6 +34,7 @@ static const char *bootsource_str[] = { }; static enum bootsource bootsource = BOOTSOURCE_UNKNOWN; +static int bootsource_instance = BOOTSOURCE_INSTANCE_UNKNOWN; void bootsource_set(enum bootsource src) { @@ -45,6 +46,20 @@ void bootsource_set(enum bootsource src) setenv("bootsource", bootsource_str[src]); } +void bootsource_set_instance(int instance) +{ + char buf[32]; + + bootsource_instance = instance; + + if (instance < 0) + sprintf(buf, "unknown"); + else + snprintf(buf, sizeof(buf), "%d", instance); + + setenv("bootsource_instance", buf); +} + enum bootsource bootsource_get(void) { return bootsource; @@ -52,10 +67,19 @@ enum bootsource bootsource_get(void) BAREBOX_MAGICVAR(bootsource, "The source barebox has been booted from"); +int bootsource_get_instance(void) +{ + return bootsource_instance; +} + +BAREBOX_MAGICVAR(bootsource_instance, "The instance of the source barebox has been booted from"); + static int bootsource_init(void) { bootsource_set(bootsource); + bootsource_set_instance(bootsource_instance); export("bootsource"); + export("bootsource_instance"); return 0; } diff --git a/include/bootsource.h b/include/bootsource.h index ecd5938226..44b69b196a 100644 --- a/include/bootsource.h +++ b/include/bootsource.h @@ -13,7 +13,11 @@ enum bootsource { BOOTSOURCE_HD, }; +#define BOOTSOURCE_INSTANCE_UNKNOWN -1 + enum bootsource bootsource_get(void); +int bootsource_get_instance(void); void bootsource_set(enum bootsource src); +void bootsource_set_instance(int instance); #endif /* __BOOTSOURCE_H__ */ |