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-rw-r--r--src/include/stddef.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/include/stddef.h b/src/include/stddef.h
index d0308d2580..af63196697 100644
--- a/src/include/stddef.h
+++ b/src/include/stddef.h
@@ -2,6 +2,7 @@
#define STDDEF_H
#include <commonlib/helpers.h>
+#include <rules.h>
typedef long ptrdiff_t;
#ifndef __SIZE_TYPE__
@@ -21,10 +22,18 @@ typedef unsigned int wint_t;
#define NULL ((void *)0)
-#ifdef __PRE_RAM__
-#define ROMSTAGE_CONST const
+/* The devicetree data structures are only mutable in ramstage. All other
+ stages have a constant devicetree. */
+#if !ENV_RAMSTAGE
+#define DEVTREE_EARLY 1
#else
-#define ROMSTAGE_CONST
+#define DEVTREE_EARLY 0
+#endif
+
+#if DEVTREE_EARLY
+#define DEVTREE_CONST const
+#else
+#define DEVTREE_CONST
#endif
/* Work around non-writable data segment in execute-in-place romstage on x86. */