Merge changes from topic "makefile-cleanup" into integration

* changes:
  build: improve diagnostics for unrecognized toolchain tools
  build(rzg): separate BL2 and BL31 SREC generation
  build(rcar): separate BL2 and BL31 SREC generation
  build: separate preprocessing from DTB compilation
  build: remove `MAKE_BUILD_STRINGS` function
diff --git a/Makefile b/Makefile
index 6b1f47c..2902774 100644
--- a/Makefile
+++ b/Makefile
@@ -372,6 +372,15 @@
 ################################################################################
 include lib/compiler-rt/compiler-rt.mk
 
+# Allow overriding the timestamp, for example for reproducible builds, or to
+# synchronize timestamps across multiple projects.
+# This must be set to a C string (including quotes where applicable).
+BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
+
+DEFINES += -DBUILD_MESSAGE_TIMESTAMP='$(BUILD_MESSAGE_TIMESTAMP)'
+DEFINES += -DBUILD_MESSAGE_VERSION_STRING='"$(VERSION_STRING)"'
+DEFINES += -DBUILD_MESSAGE_VERSION='"$(VERSION)"'
+
 BL_COMMON_SOURCES	+=	common/bl_common.c			\
 				common/tf_log.c				\
 				common/${ARCH}/debug.S			\
@@ -1682,7 +1691,7 @@
 endif #(UNIX_MK)
 
 romlib.bin: libraries FORCE
-	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES='${INCLUDES}' DEFINES='${DEFINES}' --no-print-directory -C ${ROMLIBPATH} all
+	${Q}${MAKE} PLAT_DIR=${PLAT_DIR} BUILD_PLAT=${BUILD_PLAT} ENABLE_BTI=${ENABLE_BTI} ARM_ARCH_MINOR=${ARM_ARCH_MINOR} INCLUDES=$(call escape-shell,$(INCLUDES)) DEFINES=$(call escape-shell,$(DEFINES)) --no-print-directory -C ${ROMLIBPATH} all
 
 memmap: all
 ifdef UNIX_MK
diff --git a/bl1/bl1_main.c b/bl1/bl1_main.c
index 1dfdc45..9f19b4a 100644
--- a/bl1/bl1_main.c
+++ b/bl1/bl1_main.c
@@ -13,6 +13,7 @@
 #include <arch_helpers.h>
 #include <bl1/bl1.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <drivers/auth/auth_mod.h>
 #include <drivers/auth/crypto_mod.h>
@@ -73,7 +74,7 @@
 
 	/* Announce our arrival */
 	NOTICE(FIRMWARE_WELCOME_STR);
-	NOTICE("BL1: %s\n", version_string);
+	NOTICE("BL1: %s\n", build_version_string);
 	NOTICE("BL1: %s\n", build_message);
 
 	INFO("BL1: RAM %p - %p\n", (void *)BL1_RAM_BASE, (void *)BL1_RAM_LIMIT);
diff --git a/bl2/bl2_main.c b/bl2/bl2_main.c
index 923a554..4c68f07 100644
--- a/bl2/bl2_main.c
+++ b/bl2/bl2_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -11,6 +11,7 @@
 #include <bl1/bl1.h>
 #include <bl2/bl2.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <drivers/auth/auth_mod.h>
 #include <drivers/auth/crypto_mod.h>
@@ -92,7 +93,7 @@
 	PMF_CAPTURE_TIMESTAMP(bl_svc, BL2_ENTRY, PMF_CACHE_MAINT);
 #endif
 
-	NOTICE("BL2: %s\n", version_string);
+	NOTICE("BL2: %s\n", build_version_string);
 	NOTICE("BL2: %s\n", build_message);
 
 	/* Perform remaining generic architectural setup in S-EL1 */
diff --git a/bl2u/bl2u_main.c b/bl2u/bl2u_main.c
index fcb73b9..cd13def 100644
--- a/bl2u/bl2u_main.c
+++ b/bl2u/bl2u_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -14,6 +14,7 @@
 #include <bl1/bl1.h>
 #include <bl2u/bl2u.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <drivers/auth/auth_mod.h>
 #include <drivers/console.h>
@@ -27,7 +28,7 @@
  ******************************************************************************/
 void bl2u_main(void)
 {
-	NOTICE("BL2U: %s\n", version_string);
+	NOTICE("BL2U: %s\n", build_version_string);
 	NOTICE("BL2U: %s\n", build_message);
 
 #if SCP_BL2U_BASE
diff --git a/bl31/bl31_main.c b/bl31/bl31_main.c
index 9807817..cae9b14 100644
--- a/bl31/bl31_main.c
+++ b/bl31/bl31_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -13,6 +13,7 @@
 #include <bl31/bl31.h>
 #include <bl31/ehf.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <common/feat_detect.h>
 #include <common/runtime_svc.h>
@@ -128,7 +129,7 @@
 	/* Init per-world context registers for non-secure world */
 	manage_extensions_nonsecure_per_world();
 
-	NOTICE("BL31: %s\n", version_string);
+	NOTICE("BL31: %s\n", build_version_string);
 	NOTICE("BL31: %s\n", build_message);
 
 #if FEATURE_DETECTION
diff --git a/bl32/sp_min/sp_min_main.c b/bl32/sp_min/sp_min_main.c
index 26cf207..61feaec 100644
--- a/bl32/sp_min/sp_min_main.c
+++ b/bl32/sp_min/sp_min_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -14,6 +14,7 @@
 #include <arch.h>
 #include <arch_helpers.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <common/runtime_svc.h>
 #include <context.h>
@@ -175,7 +176,7 @@
  *****************************************************************************/
 void sp_min_main(void)
 {
-	NOTICE("SP_MIN: %s\n", version_string);
+	NOTICE("SP_MIN: %s\n", build_version_string);
 	NOTICE("SP_MIN: %s\n", build_message);
 
 	/* Perform the SP_MIN platform setup */
diff --git a/bl32/tsp/tsp_ffa_main.c b/bl32/tsp/tsp_ffa_main.c
index 1c8c68f..8273060 100644
--- a/bl32/tsp/tsp_ffa_main.c
+++ b/bl32/tsp/tsp_ffa_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -14,6 +14,7 @@
 #include <arch_helpers.h>
 #include <bl32/tsp/tsp.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include "ffa_helpers.h"
 #include <lib/psci/psci.h>
@@ -554,7 +555,7 @@
 {
 	smc_args_t smc_args = {0};
 
-	NOTICE("TSP: %s\n", version_string);
+	NOTICE("TSP: %s\n", build_version_string);
 	NOTICE("TSP: %s\n", build_message);
 	INFO("TSP: Total memory base : 0x%lx\n", (unsigned long) BL32_BASE);
 	INFO("TSP: Total memory size : 0x%lx bytes\n", BL32_TOTAL_SIZE);
diff --git a/bl32/tsp/tsp_main.c b/bl32/tsp/tsp_main.c
index 805575a..ae38d69 100644
--- a/bl32/tsp/tsp_main.c
+++ b/bl32/tsp/tsp_main.c
@@ -12,6 +12,7 @@
 #include <arch_helpers.h>
 #include <bl32/tsp/tsp.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <lib/spinlock.h>
 #include <plat/common/platform.h>
@@ -27,7 +28,7 @@
  ******************************************************************************/
 uint64_t tsp_main(void)
 {
-	NOTICE("TSP: %s\n", version_string);
+	NOTICE("TSP: %s\n", build_version_string);
 	NOTICE("TSP: %s\n", build_message);
 	INFO("TSP: Total memory base : 0x%lx\n", (unsigned long) BL32_BASE);
 	INFO("TSP: Total memory size : 0x%lx bytes\n", BL32_TOTAL_SIZE);
diff --git a/common/bl_common.c b/common/bl_common.c
index 8fce02f..fe4de0a 100644
--- a/common/bl_common.c
+++ b/common/bl_common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2022, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,6 +12,7 @@
 #include <arch_features.h>
 #include <arch_helpers.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <drivers/auth/auth_mod.h>
 #include <drivers/io/io_storage.h>
@@ -275,6 +276,5 @@
  */
 const char *get_version(void)
 {
-	extern const char version[];
-	return version;
+	return build_version;
 }
diff --git a/include/common/bl_common.h b/include/common/bl_common.h
index 4c8a17c..647ae85 100644
--- a/include/common/bl_common.h
+++ b/include/common/bl_common.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -180,8 +180,6 @@
 void dyn_disable_auth(void);
 #endif
 
-extern const char build_message[];
-extern const char version_string[];
 const char *get_version(void);
 
 void print_entry_point_info(const entry_point_info_t *ep_info);
diff --git a/include/common/build_message.h b/include/common/build_message.h
new file mode 100644
index 0000000..b7c2f72
--- /dev/null
+++ b/include/common/build_message.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2024, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef BUILD_MESSAGE_H
+#define BUILD_MESSAGE_H
+
+static const char build_message[] = "Built : " BUILD_MESSAGE_TIMESTAMP;
+static const char build_version_string[] = BUILD_MESSAGE_VERSION_STRING;
+static const char build_version[] = BUILD_MESSAGE_VERSION;
+
+#endif /* BUILD_MESSAGE_H */
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index 36ac126..cf4595c 100644
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -438,11 +438,6 @@
         $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1))))
 endef
 
-# Allow overriding the timestamp, for example for reproducible builds, or to
-# synchronize timestamps across multiple projects.
-# This must be set to a C string (including quotes where applicable).
-BUILD_MESSAGE_TIMESTAMP ?= __TIME__", "__DATE__
-
 .PHONY: libraries
 
 # MAKE_LIB_DIRS macro defines the target for the directory where
@@ -562,30 +557,19 @@
 
 $(ELF): $(OBJS) $(DEFAULT_LINKER_SCRIPT) $(LINKER_SCRIPTS) | $(1)_dirs libraries $(BL_LIBS)
 	$$(ECHO) "  LD      $$@"
-ifdef MAKE_BUILD_STRINGS
-	$(call MAKE_BUILD_STRINGS,$(BUILD_DIR)/build_message.o)
-else
-	@echo 'const char build_message[] = "Built : "$(BUILD_MESSAGE_TIMESTAMP); \
-	       const char version_string[] = "${VERSION_STRING}"; \
-	       const char version[] = "${VERSION}";' | \
-		$($(ARCH)-cc) $$(TF_CFLAGS) $$(CFLAGS) -xc -c - -o $(BUILD_DIR)/build_message.o
-endif
 ifeq ($($(ARCH)-ld-id),arm-link)
 	$$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) --entry=${1}_entrypoint \
 		--predefine="-D__LINKER__=$(__LINKER__)" \
 		--predefine="-DTF_CFLAGS=$(TF_CFLAGS)" \
 		--map --list="$(MAPFILE)" --scatter=${PLAT_DIR}/scat/${1}.scat \
-		$(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) \
-		$(BUILD_DIR)/build_message.o $(OBJS)
+		$(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) $(OBJS)
 else ifeq ($($(ARCH)-ld-id),gnu-gcc)
 	$$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Wl,-Map=$(MAPFILE) \
 		$(addprefix -Wl$(comma)--script$(comma),$(LINKER_SCRIPTS)) -Wl,--script,$(DEFAULT_LINKER_SCRIPT) \
-		$(BUILD_DIR)/build_message.o \
 		$(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
 else
 	$$(Q)$($(ARCH)-ld) -o $$@ $$(TF_LDFLAGS) $$(LDFLAGS) $(BL_LDFLAGS) -Map=$(MAPFILE) \
 		$(addprefix -T ,$(LINKER_SCRIPTS)) --script $(DEFAULT_LINKER_SCRIPT) \
-		$(BUILD_DIR)/build_message.o \
 		$(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS)
 endif
 ifeq ($(DISABLE_BIN_GENERATION),1)
@@ -660,12 +644,14 @@
 # Dependencies of the DT compilation on its pre-compiled DTS
 $(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ)))
 
-$(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs
+$(DPRE): $(2) | fdt_dirs
 	$${ECHO} "  CPP     $$<"
 	$(eval DTBS       := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2))))
 	$$(Q)$($(ARCH)-cpp) -E $$(TF_CFLAGS_$(ARCH)) $$(DTC_CPPFLAGS) -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$<
+
+$(DOBJ): $(DPRE) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs
 	$${ECHO} "  DTC     $$<"
-	$$(Q)$($(ARCH)-dtc) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $(DPRE)
+	$$(Q)$($(ARCH)-dtc) $$(DTC_FLAGS) -d $(DTBDEP) -o $$@ $$<
 
 -include $(DTBDEP)
 -include $(DTSDEP)
diff --git a/make_helpers/toolchain.mk b/make_helpers/toolchain.mk
index 2f47647..8e55619 100644
--- a/make_helpers/toolchain.mk
+++ b/make_helpers/toolchain.mk
@@ -17,48 +17,6 @@
 
 toolchains ?= host $(ARCH)
 
-ifneq ($(filter host,$(toolchains)),)
-        host-cc := $(HOSTCC)
-        host-cpp := $(HOSTCPP)
-
-        host-as := $(HOSTAS)
-
-        host-ld := $(HOSTLD)
-        host-oc := $(HOSTOC)
-        host-od := $(HOSTOD)
-        host-ar := $(HOSTAR)
-
-        host-dtc := $(HOSTDTC)
-endif
-
-ifneq ($(filter aarch32,$(toolchains)),)
-        aarch32-cc := $(if $(filter-out default,$(origin CC)),$(CC))
-        aarch32-cpp := $(if $(filter-out default,$(origin CPP)),$(CPP))
-
-        aarch32-as := $(if $(filter-out default,$(origin AS)),$(AS))
-
-        aarch32-ld := $(if $(filter-out default,$(origin LD)),$(LD))
-        aarch32-oc := $(if $(filter-out default,$(origin OC)),$(OC))
-        aarch32-od := $(if $(filter-out default,$(origin OD)),$(OD))
-        aarch32-ar := $(if $(filter-out default,$(origin AR)),$(AR))
-
-        aarch32-dtc := $(if $(filter-out default,$(origin DTC)),$(DTC))
-endif
-
-ifneq ($(filter aarch64,$(toolchains)),)
-        aarch64-cc := $(if $(filter-out default,$(origin CC)),$(CC))
-        aarch64-cpp := $(if $(filter-out default,$(origin CPP)),$(CPP))
-
-        aarch64-as := $(if $(filter-out default,$(origin AS)),$(AS))
-
-        aarch64-ld := $(if $(filter-out default,$(origin LD)),$(LD))
-        aarch64-oc := $(if $(filter-out default,$(origin OC)),$(OC))
-        aarch64-od := $(if $(filter-out default,$(origin OD)),$(OD))
-        aarch64-ar := $(if $(filter-out default,$(origin AR)),$(AR))
-
-        aarch64-dtc := $(if $(filter-out default,$(origin DTC)),$(DTC))
-endif
-
 include $(dir $(lastword $(MAKEFILE_LIST)))build_env.mk
 include $(dir $(lastword $(MAKEFILE_LIST)))utilities.mk
 
@@ -72,21 +30,29 @@
 # or type of tool in the toolchain.
 #
 
-# C-related tools
-tool-classes := cc # C compilers
-tool-classes += cpp # C preprocessors
+tool-classes := cc
+tool-class-name-cc := C compiler
 
-# Assembly-related tools
-tool-classes += as # Assemblers
+tool-classes += cpp
+tool-class-name-cpp := C preprocessor
 
-# Linking and object-handling tools
-tool-classes += ld # Linkers
-tool-classes += oc # Object copiers
-tool-classes += od # Object dumpers
-tool-classes += ar # Archivers
+tool-classes += as
+tool-class-name-as := assembler
 
-# Other tools
-tool-classes += dtc # Device tree compilers
+tool-classes += ld
+tool-class-name-ld := linker
+
+tool-classes += oc
+tool-class-name-oc := object copier
+
+tool-classes += od
+tool-class-name-od := object dumper
+
+tool-classes += ar
+tool-class-name-ar := archiver
+
+tool-classes += dtc
+tool-class-name-dtc := device tree compiler
 
 #
 # Configure tools that we recognize.
@@ -96,28 +62,54 @@
 # further down.
 #
 
-# Arm Compiler for Embedded
-tools := arm-clang # armclang
-tools += arm-link # armlink
-tools += arm-ar # armar
-tools += arm-fromelf # fromelf
+# Arm® Compiler for Embedded
+tools := arm-clang
+tool-name-arm-clang := Arm® Compiler for Embedded `armclang`
+
+tools += arm-link
+tool-name-arm-link := Arm® Compiler for Embedded `armlink`
+
+tools += arm-ar
+tool-name-arm-ar := Arm® Compiler for Embedded `armar`
+
+tools += arm-fromelf
+tool-name-arm-fromelf := Arm® Compiler for Embedded `fromelf`
 
 # LLVM Project
-tools += llvm-clang # clang
-tools += llvm-lld # lld
-tools += llvm-objcopy # llvm-objcopy
-tools += llvm-objdump # llvm-objdump
-tools += llvm-ar # llvm-ar
+tools += llvm-clang
+tool-name-llvm-clang := LLVM Clang (`clang`)
+
+tools += llvm-lld
+tool-name-llvm-lld := LLVM LLD (`lld`)
+
+tools += llvm-objcopy
+tool-name-llvm-objcopy := LLVM `llvm-objcopy`
+
+tools += llvm-objdump
+tool-name-llvm-objdump := LLVM `llvm-objdump`
+
+tools += llvm-ar
+tool-name-llvm-ar := LLVM `llvm-ar`
 
 # GNU Compiler Collection & GNU Binary Utilities
-tools += gnu-gcc # gcc
-tools += gnu-ld # ld
-tools += gnu-objcopy # objcopy
-tools += gnu-objdump # objdump
-tools += gnu-ar # gcc-ar
+tools += gnu-gcc
+tool-name-gnu-gcc := GNU GCC (`gcc`)
+
+tools += gnu-ld
+tool-name-gnu-ld := GNU LD (`ld.bfd`)
+
+tools += gnu-objcopy
+tool-name-gnu-objcopy := GNU `objcopy`
+
+tools += gnu-objdump
+tool-name-gnu-objdump := GNU `objdump`
+
+tools += gnu-ar
+tool-name-gnu-ar := GNU `ar`
 
 # Other tools
-tools += dtc # Device Tree Compiler
+tools += generic-dtc
+tool-name-generic-dtc := Device Tree Compiler (`dtc`)
 
 #
 # Assign tools to tool classes.
@@ -142,7 +134,7 @@
 tools-ar := arm-ar llvm-ar gnu-ar # Archivers
 
 # Other tools
-tools-dtc := dtc # Device tree compilers
+tools-dtc := generic-dtc # Device tree compilers
 
 define check-tool-class-tools
         $(eval tool-class := $(1))
@@ -224,27 +216,27 @@
 #
 
 # Arm Compiler for Embedded
-guess-tool-arm-clang = $(shell $(call escape-shell,$(1)) --version 2>&1  <$(nul) | grep -o "Tool: armclang")
-guess-tool-arm-link = $(shell $(call escape-shell,$(1)) --help 2>&1  <$(nul) | grep -o "Tool: armlink")
-guess-tool-arm-fromelf = $(shell $(call escape-shell,$(1)) --help 2>&1  <$(nul) | grep -o "Tool: fromelf")
-guess-tool-arm-ar = $(shell $(call escape-shell,$(1)) --version 2>&1  <$(nul) | grep -o "Tool: armar")
+guess-tool-arm-clang = $(shell $(call escape-shell,$(1)) --version 2>&1 <$(nul) | grep -o "Tool: armclang")
+guess-tool-arm-link = $(shell $(call escape-shell,$(1)) --help 2>&1 <$(nul) | grep -o "Tool: armlink")
+guess-tool-arm-fromelf = $(shell $(call escape-shell,$(1)) --help 2>&1 <$(nul) | grep -o "Tool: fromelf")
+guess-tool-arm-ar = $(shell $(call escape-shell,$(1)) --version 2>&1 <$(nul) | grep -o "Tool: armar")
 
 # LLVM Project
-guess-tool-llvm-clang = $(shell $(call escape-shell,$(1)) -v 2>&1  <$(nul) | grep -o "clang version")
-guess-tool-llvm-lld = $(shell $(call escape-shell,$(1)) --help 2>&1  <$(nul) | grep -o "OVERVIEW: lld")
-guess-tool-llvm-objcopy = $(shell $(call escape-shell,$(1)) --help 2>&1  <$(nul) | grep -o "llvm-objcopy tool")
-guess-tool-llvm-objdump = $(shell $(call escape-shell,$(1)) --help 2>&1  <$(nul) | grep -o "llvm object file dumper")
-guess-tool-llvm-ar = $(shell $(call escape-shell,$(1)) --help 2>&1  <$(nul) | grep -o "LLVM Archiver")
+guess-tool-llvm-clang = $(shell $(call escape-shell,$(1)) -v 2>&1 <$(nul) | grep -o "clang version")
+guess-tool-llvm-lld = $(shell $(call escape-shell,$(1)) --help 2>&1 <$(nul) | grep -o "OVERVIEW: lld")
+guess-tool-llvm-objcopy = $(shell $(call escape-shell,$(1)) --help 2>&1 <$(nul) | grep -o "llvm-objcopy tool")
+guess-tool-llvm-objdump = $(shell $(call escape-shell,$(1)) --help 2>&1 <$(nul) | grep -o "llvm object file dumper")
+guess-tool-llvm-ar = $(shell $(call escape-shell,$(1)) --help 2>&1 <$(nul) | grep -o "LLVM Archiver")
 
 # GNU Compiler Collection & GNU Binary Utilities
-guess-tool-gnu-gcc = $(shell $(call escape-shell,$(1)) -v 2>&1  <$(nul) | grep -o "gcc version")
-guess-tool-gnu-ld = $(shell $(call escape-shell,$(1)) -v 2>&1  <$(nul) | grep -o "GNU ld")
-guess-tool-gnu-objcopy = $(shell $(call escape-shell,$(1)) --version 2>&1  <$(nul) | grep -o "GNU objcopy")
-guess-tool-gnu-objdump = $(shell $(call escape-shell,$(1)) --version 2>&1  <$(nul) | grep -o "GNU objdump")
-guess-tool-gnu-ar = $(shell $(call escape-shell,$(1)) --version 2>&1  <$(nul) | grep -o "GNU ar")
+guess-tool-gnu-gcc = $(shell $(call escape-shell,$(1)) -v 2>&1 <$(nul) | grep -o "gcc version")
+guess-tool-gnu-ld = $(shell $(call escape-shell,$(1)) -v 2>&1 <$(nul) | grep -o "GNU ld")
+guess-tool-gnu-objcopy = $(shell $(call escape-shell,$(1)) --version 2>&1 <$(nul) | grep -o "GNU objcopy")
+guess-tool-gnu-objdump = $(shell $(call escape-shell,$(1)) --version 2>&1 <$(nul) | grep -o "GNU objdump")
+guess-tool-gnu-ar = $(shell $(call escape-shell,$(1)) --version 2>&1 <$(nul) | grep -o "GNU ar")
 
 # Other tools
-guess-tool-dtc = $(shell $(call escape-shell,$(1)) --version 2>&1  <$(nul) | grep -o "Version: DTC")
+guess-tool-generic-dtc = $(shell $(call escape-shell,$(1)) --version 2>&1 <$(nul) | grep -o "Version: DTC")
 
 guess-tool = $(firstword $(foreach candidate,$(1), \
         $(if $(call guess-tool-$(candidate),$(2)),$(candidate))))
@@ -294,11 +286,44 @@
 guess-gnu-gcc-od = $(shell $(call escape-shell,$(1)) --print-prog-name objdump 2>$(nul))
 guess-gnu-gcc-ar = $(call which,$(call decompat-path,$(patsubst %$(call file-name,$(1)),%$(subst gcc,gcc-ar,$(call file-name,$(1))),$(call compat-path,$(1)))))
 
+define warn-unrecognized-tool
+        $(eval toolchain := $(1))
+        $(eval tool-class := $(2))
+
+        $$(warning )
+        $$(warning The configured $$($(toolchain)-name) $$(tool-class-name-$(tool-class)) could not be identified and may not be supported:)
+        $$(warning )
+        $$(warning $$(space)   $$($(toolchain)-$(tool-class)))
+        $$(warning )
+        $$(warning The default $$($(toolchain)-name) $$(tool-class-name-$(tool-class)) is:)
+        $$(warning )
+        $$(warning $$(space)   $$($(toolchain)-$(tool-class)-default))
+        $$(warning )
+        $$(warning The following tools are supported:)
+        $$(warning )
+
+        $$(foreach tool,$$(tools-$(tool-class)), \
+                $$(warning $$(space) - $$(tool-name-$$(tool))))
+
+        $$(warning )
+        $$(warning The build system will treat this $$(tool-class-name-$(tool-class)) as $$(tool-name-$$($(toolchain)-$(tool-class)-id-default)).)
+        $$(warning )
+endef
+
 define locate-toolchain-tool-cc
         $(eval toolchain := $(1))
 
         $(toolchain)-cc := $$(or $$($(toolchain)-cc),$$($(toolchain)-cc-default))
         $(toolchain)-cc-id := $$(call guess-tool,$$(tools-cc),$$($(toolchain)-cc))
+
+        ifndef $(toolchain)-cc-id
+                $(toolchain)-cc-id := $$($(toolchain)-cc-id-default)
+
+                $$(eval $$(call warn-unrecognized-tool,$(toolchain),cc))
+        endif
+
+        $(toolchain)-cc-path := $$($(toolchain)-cc)
+        $(toolchain)-cc := $$(call escape-shell,$$($(toolchain)-cc))
 endef
 
 define locate-toolchain-tool
@@ -308,33 +333,29 @@
         ifndef $(toolchain)-$(tool-class)
                 $(toolchain)-$(tool-class) := $$(call guess-$$($(toolchain)-cc-id)-$(tool-class),$$($(toolchain)-cc-path))
 
-                ifeq ($$($(toolchain)-$(tool-class)),)
+                ifndef $(toolchain)-$(tool-class)
                         $(toolchain)-$(tool-class) := $$($(toolchain)-$(tool-class)-default)
                 endif
         endif
 
-        $(toolchain)-$(tool-class)-id := $$(call guess-tool,$$(tools-$(tool-class)),$$($$(toolchain)-$(tool-class)))
-endef
+        $(toolchain)-$(tool-class)-id := $$(call guess-tool,$$(tools-$(tool-class)),$$($(toolchain)-$(tool-class)))
 
-define canonicalize-toolchain-tool-path
-        $(eval toolchain := $(1))
-        $(eval tool-class := $(2))
+        ifndef $(toolchain)-$(tool-class)-id
+                $(toolchain)-$(tool-class)-id := $$($(toolchain)-$(tool-class)-id-default)
 
-        $(toolchain)-$(tool-class)-path := $$(call absolute-path,$$(call which,$$($(toolchain)-$(tool-class))))
-        $(toolchain)-$(tool-class)-path := $$(or $$($(toolchain)-$(tool-class)-path),$$($(toolchain)-$(tool-class)))
+                $$(eval $$(call warn-unrecognized-tool,$(toolchain),$(tool-class)))
+        endif
 
-        $(toolchain)-$(tool-class) := $(call escape-shell,$$($(toolchain)-$(tool-class)-path))
+        $(toolchain)-$(tool-class) := $$(call escape-shell,$$($(toolchain)-$(tool-class)))
 endef
 
 define locate-toolchain
         $(eval toolchain := $(1))
 
         $$(eval $$(call locate-toolchain-tool-cc,$(toolchain)))
-        $$(eval $$(call canonicalize-toolchain-tool-path,$(toolchain),cc))
 
         $$(foreach tool-class,$$(filter-out cc,$$(tool-classes)), \
-                $$(eval $$(call locate-toolchain-tool,$(toolchain),$$(tool-class))) \
-                $$(eval $$(call canonicalize-toolchain-tool-path,$(toolchain),$$(tool-class))))
+                $$(eval $$(call locate-toolchain-tool,$(toolchain),$$(tool-class))))
 endef
 
 $(foreach toolchain,$(toolchains), \
diff --git a/make_helpers/toolchains/aarch32.mk b/make_helpers/toolchains/aarch32.mk
index 3475c91..ff00a53 100644
--- a/make_helpers/toolchains/aarch32.mk
+++ b/make_helpers/toolchains/aarch32.mk
@@ -4,11 +4,36 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
+aarch32-name := AArch32
+
+aarch32-cc := $(if $(filter-out default,$(origin CC)),$(CC))
 aarch32-cc-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-cc-id-default := gnu-gcc
+
+aarch32-cpp := $(if $(filter-out default,$(origin CPP)),$(CPP))
 aarch32-cpp-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-cpp-id-default := gnu-gcc
+
+aarch32-as := $(if $(filter-out default,$(origin AS)),$(AS))
 aarch32-as-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-as-id-default := gnu-gcc
+
+aarch32-ld := $(if $(filter-out default,$(origin LD)),$(LD))
 aarch32-ld-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc
+aarch32-ld-id-default := gnu-gcc
+
+aarch32-oc := $(if $(filter-out default,$(origin OC)),$(OC))
 aarch32-oc-default := $(or $(CROSS_COMPILE),arm-none-eabi-)objcopy
+aarch32-oc-id-default := gnu-objcopy
+
+aarch32-od := $(if $(filter-out default,$(origin OD)),$(OD))
 aarch32-od-default := $(or $(CROSS_COMPILE),arm-none-eabi-)objdump
+aarch32-od-id-default := gnu-objdump
+
+aarch32-ar := $(if $(filter-out default,$(origin AR)),$(AR))
 aarch32-ar-default := $(or $(CROSS_COMPILE),arm-none-eabi-)gcc-ar
+aarch32-ar-id-default := gnu-ar
+
+aarch32-dtc := $(if $(filter-out default,$(origin DTC)),$(DTC))
 aarch32-dtc-default := dtc
+aarch32-dtc-id-default := generic-dtc
diff --git a/make_helpers/toolchains/aarch64.mk b/make_helpers/toolchains/aarch64.mk
index d83d918..407f068 100644
--- a/make_helpers/toolchains/aarch64.mk
+++ b/make_helpers/toolchains/aarch64.mk
@@ -4,11 +4,36 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
+aarch64-name := AArch64
+
+aarch64-cc := $(if $(filter-out default,$(origin CC)),$(CC))
 aarch64-cc-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-cc-id-default := gnu-gcc
+
+aarch64-cpp := $(if $(filter-out default,$(origin CPP)),$(CPP))
 aarch64-cpp-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-cpp-id-default := gnu-gcc
+
+aarch64-as := $(if $(filter-out default,$(origin AS)),$(AS))
 aarch64-as-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-as-id-default := gnu-gcc
+
+aarch64-ld := $(if $(filter-out default,$(origin LD)),$(LD))
 aarch64-ld-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc
+aarch64-ld-id-default := gnu-gcc
+
+aarch64-oc := $(if $(filter-out default,$(origin OC)),$(OC))
 aarch64-oc-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)objcopy
+aarch64-oc-id-default := gnu-objcopy
+
+aarch64-od := $(if $(filter-out default,$(origin OD)),$(OD))
 aarch64-od-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)objdump
+aarch64-od-id-default := gnu-objdump
+
+aarch64-ar := $(if $(filter-out default,$(origin AR)),$(AR))
 aarch64-ar-default := $(or $(CROSS_COMPILE),aarch64-none-elf-)gcc-ar
+aarch64-ar-id-default := gnu-ar
+
+aarch64-dtc := $(if $(filter-out default,$(origin DTC)),$(DTC))
 aarch64-dtc-default := dtc
+aarch64-dtc-id-default := generic-dtc
diff --git a/make_helpers/toolchains/host.mk b/make_helpers/toolchains/host.mk
index fe3fc1c..733c289 100644
--- a/make_helpers/toolchains/host.mk
+++ b/make_helpers/toolchains/host.mk
@@ -1,14 +1,39 @@
 #
-# Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+# Copyright (c) 2023-2024, Arm Limited and Contributors. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
+host-name := host
+
+host-cc := $(HOSTCC)
 host-cc-default := gcc
+host-cc-id-default := gnu-gcc
+
+host-cpp := $(HOSTCPP)
 host-cpp-default := gcc
+host-cpp-id-default := gnu-gcc
+
+host-as := $(HOSTAS)
 host-as-default := gcc
+host-as-id-default := gnu-gcc
+
+host-ld := $(HOSTLD)
 host-ld-default := gcc
+host-ld-id-default := gnu-gcc
+
+host-oc := $(HOSTOC)
 host-oc-default := objcopy
+host-oc-id-default := gnu-objcopy
+
+host-od := $(HOSTOD)
 host-od-default := objdump
+host-od-id-default := gnu-objdump
+
+host-ar := $(HOSTAR)
 host-ar-default := gcc-ar
+host-ar-id-default := gnu-ar
+
+host-dtc := $(HOSTDTC)
 host-dtc-default := dtc
+host-dtc-id-default := generic-dtc
diff --git a/make_helpers/toolchains/rk3399-m0.mk b/make_helpers/toolchains/rk3399-m0.mk
index f57d658..92309f1 100644
--- a/make_helpers/toolchains/rk3399-m0.mk
+++ b/make_helpers/toolchains/rk3399-m0.mk
@@ -4,11 +4,28 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
+rk3399-m0-name := RK3399 M0
+
 rk3399-m0-cc-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-cc-id-default := gnu-gcc
+
 rk3399-m0-cpp-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-cpp-id-default := gnu-gcc
+
 rk3399-m0-as-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-as-id-default := gnu-gcc
+
 rk3399-m0-ld-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc
+rk3399-m0-ld-id-default := gnu-gcc
+
 rk3399-m0-oc-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)objcopy
+rk3399-m0-oc-id-default := gnu-objcopy
+
 rk3399-m0-od-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)objdump
+rk3399-m0-od-id-default := gnu-objdump
+
 rk3399-m0-ar-default := $(or $(M0_CROSS_COMPILE),arm-none-eabi-)gcc-ar
+rk3399-m0-ar-id-default := gnu-ar
+
 rk3399-m0-dtc-default := dtc
+rk3399-m0-dtc-id-default := generic-dtc
diff --git a/make_helpers/windows.mk b/make_helpers/windows.mk
index a75a740..de34eaf 100644
--- a/make_helpers/windows.mk
+++ b/make_helpers/windows.mk
@@ -79,16 +79,4 @@
 # This can be overridden from the command line or environment.
 BUILD_STRING ?= development build
 
-# The DOS echo shell command does not strip ' characters from the command
-# parameters before printing. We therefore use an alternative method invoked
-# by defining the MAKE_BUILD_STRINGS macro.
-BUILT_TIME_DATE_STRING = const char build_message[] = "Built : "${BUILD_MESSAGE_TIMESTAMP};
-VERSION_STRING_MESSAGE = const char version_string[] = "${VERSION_STRING}";
-VERSION_MESSAGE = const char version[] = "${VERSION}";
-define MAKE_BUILD_STRINGS
-	$$(file >$1.in,$$(TF_CFLAGS) $$(CFLAGS))
-	@echo $$(BUILT_TIME_DATE_STRING) $$(VERSION_STRING_MESSAGE) $$(VERSION_MESSAGE) | \
-		$($(ARCH)-cc) @$1.in -x c -c - -o $1
-endef
-
 MSVC_NMAKE := nmake.exe
diff --git a/plat/arm/board/fvp_r/fvp_r_bl1_main.c b/plat/arm/board/fvp_r/fvp_r_bl1_main.c
index 29495cf..6fe2b5b 100644
--- a/plat/arm/board/fvp_r/fvp_r_bl1_main.c
+++ b/plat/arm/board/fvp_r/fvp_r_bl1_main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,6 +12,7 @@
 #include <arch_helpers.h>
 #include <bl1/bl1.h>
 #include <common/bl_common.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <drivers/auth/auth_mod.h>
 #include <drivers/console.h>
@@ -161,7 +162,7 @@
 
 	/* Announce our arrival */
 	NOTICE(FIRMWARE_WELCOME_STR);
-	NOTICE("BL1: %s\n", version_string);
+	NOTICE("BL1: %s\n", build_version_string);
 	NOTICE("BL1: %s\n", build_message);
 
 	INFO("BL1: RAM %p - %p\n", (void *)BL1_RAM_BASE, (void *)BL1_RAM_LIMIT);
@@ -244,4 +245,3 @@
 	NOTICE("BL1: Please connect the debugger to continue\n");
 }
 #endif
-
diff --git a/plat/arm/board/morello/morello_image_load.c b/plat/arm/board/morello/morello_image_load.c
index cfe8bee..b959031 100644
--- a/plat/arm/board/morello/morello_image_load.c
+++ b/plat/arm/board/morello/morello_image_load.c
@@ -5,6 +5,7 @@
  */
 
 #include <arch_helpers.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <common/desc_image_load.h>
 #include <drivers/arm/css/sds.h>
@@ -142,7 +143,7 @@
 		return -1;
 	}
 
-	err = fdt_setprop_string(fdt, nodeoffset_fw, "tfa-fw-version", version_string);
+	err = fdt_setprop_string(fdt, nodeoffset_fw, "tfa-fw-version", build_version_string);
 	if (err < 0) {
 		WARN("NT_FW_CONFIG: Unable to set tfa-fw-version\n");
 	}
diff --git a/plat/imx/common/imx_sip_handler.c b/plat/imx/common/imx_sip_handler.c
index 5d29186..49fdacf 100644
--- a/plat/imx/common/imx_sip_handler.c
+++ b/plat/imx/common/imx_sip_handler.c
@@ -9,9 +9,10 @@
 #include <stdint.h>
 #include <services/std_svc.h>
 #include <string.h>
-#include <platform_def.h>
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <common/runtime_svc.h>
+#include <platform_def.h>
 #include <imx_sip_svc.h>
 #include <lib/el3_runtime/context_mgmt.h>
 #include <lib/mmio.h>
@@ -261,7 +262,7 @@
 		    u_register_t x4)
 {
 	/* Parse the version_string */
-	char *parse = (char *)version_string;
+	char *parse = (char *)build_version_string;
 	uint64_t hash = 0;
 
 	do {
diff --git a/plat/renesas/rcar/platform.mk b/plat/renesas/rcar/platform.mk
index 5718478..8e3f52e 100644
--- a/plat/renesas/rcar/platform.mk
+++ b/plat/renesas/rcar/platform.mk
@@ -368,9 +368,13 @@
 	@echo "clean bl2 and bl31 srecs"
 	rm -f ${SREC_PATH}/bl2.srec ${SREC_PATH}/bl31.srec
 
+$(SREC_PATH)/bl2.srec: $(BL2_ELF_SRC)
+	@echo "generating srec: $(SREC_PATH)/bl2.srec"
+	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 $(BL2_ELF_SRC)  $(SREC_PATH)/bl2.srec
+
+$(SREC_PATH)/bl31.srec: $(BL31_ELF_SRC)
+	@echo "generating srec: $(SREC_PATH)/bl31.srec"
+	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 $(BL31_ELF_SRC) $(SREC_PATH)/bl31.srec
+
 .PHONY: rcar_srecord
-rcar_srecord: $(BL2_ELF_SRC) $(BL31_ELF_SRC)
-	@echo "generating srec: ${SREC_PATH}/bl2.srec"
-	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 ${BL2_ELF_SRC}  ${SREC_PATH}/bl2.srec
-	@echo "generating srec: ${SREC_PATH}/bl31.srec"
-	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 ${BL31_ELF_SRC} ${SREC_PATH}/bl31.srec
+rcar_srecord: $(SREC_PATH)/bl2.srec $(SREC_PATH)/bl31.srec
diff --git a/plat/renesas/rzg/platform.mk b/plat/renesas/rzg/platform.mk
index 89ca227..354eada 100644
--- a/plat/renesas/rzg/platform.mk
+++ b/plat/renesas/rzg/platform.mk
@@ -266,9 +266,13 @@
 	@echo "clean bl2 and bl31 srecs"
 	rm -f ${SREC_PATH}/bl2.srec ${SREC_PATH}/bl31.srec
 
+$(SREC_PATH)/bl2.srec: $(BL2_ELF_SRC)
+	@echo "generating srec: $(SREC_PATH)/bl2.srec"
+	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 $(BL2_ELF_SRC)  $(SREC_PATH)/bl2.srec
+
+$(SREC_PATH)/bl31.srec: $(BL31_ELF_SRC)
+	@echo "generating srec: $(SREC_PATH)/bl31.srec"
+	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 $(BL31_ELF_SRC) $(SREC_PATH)/bl31.srec
+
 .PHONY: rzg_srecord
-rzg_srecord: $(BL2_ELF_SRC) $(BL31_ELF_SRC)
-	@echo "generating srec: ${SREC_PATH}/bl2.srec"
-	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 ${BL2_ELF_SRC}  ${SREC_PATH}/bl2.srec
-	@echo "generating srec: ${SREC_PATH}/bl31.srec"
-	$(Q)$($(ARCH)-oc) -O srec --srec-forceS3 ${BL31_ELF_SRC} ${SREC_PATH}/bl31.srec
+rzg_srecord: $(SREC_PATH)/bl2.srec $(SREC_PATH)/bl31.srec
diff --git a/services/std_svc/rmmd/trp/trp_main.c b/services/std_svc/rmmd/trp/trp_main.c
index 33f2fb0..b75483c 100644
--- a/services/std_svc/rmmd/trp/trp_main.c
+++ b/services/std_svc/rmmd/trp/trp_main.c
@@ -1,9 +1,10 @@
 /*
- * Copyright (c) 2021-2022, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
+#include <common/build_message.h>
 #include <common/debug.h>
 #include <plat/common/platform.h>
 #include <services/rmm_core_manifest.h>
@@ -86,7 +87,7 @@
 /* Main function for TRP */
 void trp_main(void)
 {
-	NOTICE("TRP: %s\n", version_string);
+	NOTICE("TRP: %s\n", build_version_string);
 	NOTICE("TRP: %s\n", build_message);
 	NOTICE("TRP: Supported RMM-EL3 Interface ABI: v.%u.%u\n",
 		TRP_RMM_EL3_ABI_VERS_MAJOR, TRP_RMM_EL3_ABI_VERS_MINOR);