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-rw-r--r--include/common/param_header.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/common/param_header.h b/include/common/param_header.h
new file mode 100644
index 000000000..32763ddc3
--- /dev/null
+++ b/include/common/param_header.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __PARAM_HEADER_H__
+#define __PARAM_HEADER_H__
+
+/* Param header types */
+#define PARAM_EP 0x01
+#define PARAM_IMAGE_BINARY 0x02
+#define PARAM_BL31 0x03
+#define PARAM_BL_LOAD_INFO 0x04
+#define PARAM_BL_PARAMS 0x05
+#define PARAM_PSCI_LIB_ARGS 0x06
+#define PARAM_SP_IMAGE_BOOT_INFO 0x07
+
+/* Param header version */
+#define VERSION_1 0x01
+#define VERSION_2 0x02
+
+#define SET_PARAM_HEAD(_p, _type, _ver, _attr) do { \
+ (_p)->h.type = (uint8_t)(_type); \
+ (_p)->h.version = (uint8_t)(_ver); \
+ (_p)->h.size = (uint16_t)sizeof(*_p); \
+ (_p)->h.attr = (uint32_t)(_attr) ; \
+ } while (0)
+
+/* Following is used for populating structure members statically. */
+#define SET_STATIC_PARAM_HEAD(_p, _type, _ver, _p_type, _attr) \
+ ._p.h.type = (uint8_t)(_type), \
+ ._p.h.version = (uint8_t)(_ver), \
+ ._p.h.size = (uint16_t)sizeof(_p_type), \
+ ._p.h.attr = (uint32_t)(_attr)
+
+#ifndef __ASSEMBLY__
+
+#include <types.h>
+
+/***************************************************************************
+ * This structure provides version information and the size of the
+ * structure, attributes for the structure it represents
+ ***************************************************************************/
+typedef struct param_header {
+ uint8_t type; /* type of the structure */
+ uint8_t version; /* version of this structure */
+ uint16_t size; /* size of this structure in bytes */
+ uint32_t attr; /* attributes: unused bits SBZ */
+} param_header_t;
+
+#endif /*__ASSEMBLY__*/
+
+#endif /* __PARAM_HEADER_H__ */
+