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-rw-r--r--src/include/ramstage_cache.h10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/include/ramstage_cache.h b/src/include/ramstage_cache.h
index 5b0597a828..8d9b095177 100644
--- a/src/include/ramstage_cache.h
+++ b/src/include/ramstage_cache.h
@@ -20,9 +20,8 @@
#ifndef _RAMSTAGE_CACHE_
#define _RAMSTAGE_CACHE_
-#if !defined(__PRE_RAM__)
-#error "ramstage_cache only used in romstage for loading ramstage."
-#endif
+#include <stddef.h>
+#include <stdint.h>
/* This structure is saved along with the relocated ramstage program when
* CONFIG_RELOCATED_RAMSTAGE is employed. For x86, it can used to protect
@@ -46,4 +45,9 @@ struct ramstage_cache *ramstage_cache_location(long *size);
/* Chipset/Board function called when cache is invalid on resume. */
void ramstage_cache_invalid(struct ramstage_cache *cache);
+static inline int ramstage_cache_is_valid(const struct ramstage_cache *c)
+{
+ return (c != NULL && c->magic == RAMSTAGE_CACHE_MAGIC);
+}
+
#endif /* _RAMSTAGE_CACHE_ */