Merge changes I0d17ba6c,I540741d2,I9e6475ad,Ifd769320,I12c04a85, ... into integration

* changes:
  plat/mediatek/mt81*: Use new bl31_params_parse() helper
  plat/rockchip: Use new bl31_params_parse_helper()
  Add helper to parse BL31 parameters (both versions)
  Factor out cross-BL API into export headers suitable for 3rd party code
  Use explicit-width data types in AAPCS parameter structs
  plat/rockchip: Switch to use new common BL aux parameter library
  Introduce lightweight BL platform parameter library

2 files changed, 33 insertions, 24 deletions

diff --git a/include/lib/bl_aux_params/bl_aux_params.h b/include/lib/bl_aux_params/bl_aux_params.h
new file mode 100644
index 00000000..f6ce8024
--- /dev/null
+++ b/include/lib/bl_aux_params/bl_aux_params.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef LIB_BL_AUX_PARAMS_H
+#define LIB_BL_AUX_PARAMS_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include <export/lib/bl_aux_params/bl_aux_params_exp.h>
+
+/*
+ * Handler function that handles an individual aux parameter. Return true if
+ * the parameter was handled, and flase if bl_aux_params_parse() should make its
+ * own attempt at handling it (for generic parameters).
+ */
+typedef bool (*bl_aux_param_handler_t)(struct bl_aux_param_header *param);
+
+/*
+ * Interprets head as the start of an aux parameter list, and passes the
+ * parameters individually to handler(). Handles generic parameters directly if
+ * handler() hasn't already done so. If only generic parameters are expected,
+ * handler() can be NULL.
+ */
+void bl_aux_params_parse(u_register_t head,
+			 bl_aux_param_handler_t handler);
+
+#endif /* LIB_BL_AUX_PARAMS_H */
diff --git a/include/lib/utils_def.h b/include/lib/utils_def.h
index 2b489675..41f71e84 100644
--- a/include/lib/utils_def.h
+++ b/include/lib/utils_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,6 +7,8 @@
 #ifndef UTILS_DEF_H
 #define UTILS_DEF_H
 
+#include <export/lib/utils_def_exp.h>
+
 /* Compute the number of elements in the given array */
 #define ARRAY_SIZE(a)				\
 	(sizeof(a) / sizeof((a)[0]))
@@ -106,29 +108,6 @@
 #define check_u32_overflow(_u32, _inc) \
 	((_u32) > (UINT32_MAX - (_inc)))
 
-/*
- * For those constants to be shared between C and other sources, apply a 'U',
- * 'UL', 'ULL', 'L' or 'LL' suffix to the argument only in C, to avoid
- * undefined or unintended behaviour.
- *
- * The GNU assembler and linker do not support these suffixes (it causes the
- * build process to fail) therefore the suffix is omitted when used in linker
- * scripts and assembler files.
-*/
-#if defined(__LINKER__) || defined(__ASSEMBLY__)
-# define   U(_x)	(_x)
-# define  UL(_x)	(_x)
-# define ULL(_x)	(_x)
-# define   L(_x)	(_x)
-# define  LL(_x)	(_x)
-#else
-# define   U(_x)	(_x##U)
-# define  UL(_x)	(_x##UL)
-# define ULL(_x)	(_x##ULL)
-# define   L(_x)	(_x##L)
-# define  LL(_x)	(_x##LL)
-#endif
-
 /* Register size of the current architecture. */
 #ifdef AARCH32
 #define REGSZ		U(4)