Merge pull request #1751 from vwadekar/tegra-scatter-file-support

Tegra scatter file support

2 files changed, 65 insertions, 5 deletions

diff --git a/include/common/bl_common.h b/include/common/bl_common.h
index 9817ec7f..457dc2a1 100644
--- a/include/common/bl_common.h
+++ b/include/common/bl_common.h
@@ -57,6 +57,48 @@
 #define FIQ_AARCH32			U(0xe)
 #define SERROR_AARCH32			U(0xf)
 
+/*
+ * Mapping to connect linker symbols from .ld.S with their counterparts
+ * from .scat for the BL31 image
+ */
+#if defined(USE_ARM_LINK)
+#define __BL31_END__			Load$$LR$$LR_END$$Base
+#define __BSS_START__			Load$$LR$$LR_BSS$$Base
+#define __BSS_END__			Load$$LR$$LR_BSS$$Limit
+#define __BSS_SIZE__			Load$$LR$$LR_BSS$$Length
+#define __COHERENT_RAM_START__		Load$$LR$$LR_COHERENT_RAM$$Base
+#define __COHERENT_RAM_END_UNALIGNED__	Load$$__COHERENT_RAM_EPILOGUE_UNALIGNED__$$Base
+#define __COHERENT_RAM_END__		Load$$LR$$LR_COHERENT_RAM$$Limit
+#define __COHERENT_RAM_UNALIGNED_SIZE__	Load$$__COHERENT_RAM__$$Length
+#define __CPU_OPS_START__		Load$$__CPU_OPS__$$Base
+#define __CPU_OPS_END__			Load$$__CPU_OPS__$$Limit
+#define __DATA_START__			Load$$__DATA__$$Base
+#define __DATA_END__			Load$$__DATA__$$Limit
+#define __GOT_START__			Load$$__GOT__$$Base
+#define __GOT_END__			Load$$__GOT__$$Limit
+#define __PERCPU_BAKERY_LOCK_START__	Load$$__BAKERY_LOCKS__$$Base
+#define __PERCPU_BAKERY_LOCK_END__	Load$$__BAKERY_LOCKS_EPILOGUE__$$Base
+#define __PMF_SVC_DESCS_START__		Load$$__PMF_SVC_DESCS__$$Base
+#define __PMF_SVC_DESCS_END__		Load$$__PMF_SVC_DESCS__$$Limit
+#define __PMF_TIMESTAMP_START__		Load$$__PMF_TIMESTAMP__$$Base
+#define __PMF_TIMESTAMP_END__		Load$$__PER_CPU_TIMESTAMPS__$$Limit
+#define __PMF_PERCPU_TIMESTAMP_END__	Load$$__PMF_TIMESTAMP_EPILOGUE__$$Base
+#define __RELA_END__			Load$$__RELA__$$Limit
+#define __RELA_START__			Load$$__RELA__$$Base
+#define __RODATA_START__		Load$$__RODATA__$$Base
+#define __RODATA_END__			Load$$__RODATA_EPILOGUE__$$Base
+#define __RT_SVC_DESCS_START__		Load$$__RT_SVC_DESCS__$$Base
+#define __RT_SVC_DESCS_END__		Load$$__RT_SVC_DESCS__$$Limit
+#define __RW_START__			Load$$LR$$LR_RW_DATA$$Base
+#define __RW_END__			Load$$LR$$LR_END$$Base
+#define __SPM_SHIM_EXCEPTIONS_START__	Load$$__SPM_SHIM_EXCEPTIONS__$$Base
+#define __SPM_SHIM_EXCEPTIONS_END__	Load$$__SPM_SHIM_EXCEPTIONS_EPILOGUE__$$Base
+#define __STACKS_START__		Load$$__STACKS__$$Base
+#define __STACKS_END__			Load$$__STACKS__$$Limit
+#define __TEXT_START__			Load$$__TEXT__$$Base
+#define __TEXT_END__			Load$$__TEXT_EPILOGUE__$$Base
+#endif /* USE_ARM_LINK */
+
 #ifndef __ASSEMBLY__
 
 #include <stddef.h>
diff --git a/include/lib/el3_runtime/pubsub.h b/include/lib/el3_runtime/pubsub.h
index 9c303f54..64fe5ccb 100644
--- a/include/lib/el3_runtime/pubsub.h
+++ b/include/lib/el3_runtime/pubsub.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -7,13 +7,11 @@
 #ifndef PUBSUB_H
 #define PUBSUB_H
 
-#define __pubsub_start_sym(event)	__pubsub_##event##_start
-#define __pubsub_end_sym(event)		__pubsub_##event##_end
-
 #ifdef __LINKER__
 
 /* For the linker ... */
-
+#define __pubsub_start_sym(event)	__pubsub_##event##_start
+#define __pubsub_end_sym(event)		__pubsub_##event##_end
 #define __pubsub_section(event)		__pubsub_##event
 
 /*
@@ -21,10 +19,22 @@
  * contexts. In linker context, this collects pubsub sections for each event,
  * placing guard symbols around each.
  */
+#if defined(USE_ARM_LINK)
+#define REGISTER_PUBSUB_EVENT(event) \
+	__pubsub_start_sym(event) +0 FIXED \
+	{ \
+		*(__pubsub_section(event)) \
+	} \
+	__pubsub_end_sym(event) +0 FIXED EMPTY 0 \
+	{ \
+		/* placeholder */ \
+	}
+#else
 #define REGISTER_PUBSUB_EVENT(event) \
 	__pubsub_start_sym(event) = .; \
 	KEEP(*(__pubsub_section(event))); \
 	__pubsub_end_sym(event) = .
+#endif
 
 #else /* __LINKER__ */
 
@@ -36,6 +46,14 @@
 
 #include <arch_helpers.h>
 
+#if defined(USE_ARM_LINK)
+#define __pubsub_start_sym(event)	Load$$__pubsub_##event##_start$$Base
+#define __pubsub_end_sym(event)		Load$$__pubsub_##event##_end$$Base
+#else
+#define __pubsub_start_sym(event)	__pubsub_##event##_start
+#define __pubsub_end_sym(event)		__pubsub_##event##_end
+#endif
+
 #define __pubsub_section(event)		__section("__pubsub_" #event)
 
 /*