diff options
Diffstat (limited to 'gnu/packages/patches/arm-trusted-firmware-optional-bin-generation.patch')
-rw-r--r-- | gnu/packages/patches/arm-trusted-firmware-optional-bin-generation.patch | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/gnu/packages/patches/arm-trusted-firmware-optional-bin-generation.patch b/gnu/packages/patches/arm-trusted-firmware-optional-bin-generation.patch new file mode 100644 index 0000000000..b2b8a12e1d --- /dev/null +++ b/gnu/packages/patches/arm-trusted-firmware-optional-bin-generation.patch @@ -0,0 +1,86 @@ +From b02de4cb14ee9c2bfff53d36f0b7ec6a2065bc94 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christoph=20M=C3=BCllner?= <christophm30@gmail.com> +Date: Wed, 24 Apr 2019 09:45:30 +0200 +Subject: [PATCH 1/2] build_macros: Add mechanism to prevent bin generation. +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +On certain platforms it does not make sense to generate +TF-A binary images. For example a platform could make use of serveral +memory areas, which are non-continuous and the resulting binary +therefore would suffer from the padding-bytes. +Typically these platforms use the ELF image. + +This patch introduces a variable DISABLE_BIN_GENERATION, which +can be set to '1' in the platform makefile to prevent the binary +generation. + +Signed-off-by: Christoph Müllner <christophm30@gmail.com> +Change-Id: I62948e88bab685bb055fe6167d9660d14e604462 +--- + docs/user-guide.rst | 4 ++++ + make_helpers/build_macros.mk | 9 +++++++++ + make_helpers/defaults.mk | 3 +++ + 3 files changed, 16 insertions(+) + +diff --git a/docs/user-guide.rst b/docs/user-guide.rst +index 0848769b3..19919f112 100644 +--- a/docs/user-guide.rst ++++ b/docs/user-guide.rst +@@ -369,6 +369,10 @@ Common build options + - ``DEBUG``: Chooses between a debug and release build. It can take either 0 + (release) or 1 (debug) as values. 0 is the default. + ++- ``DISABLE_BIN_GENERATION``: Boolean option to disable the generation ++ of the binary image. If set to 1, then only the ELF image is built. ++ 0 is the default. ++ + - ``DYN_DISABLE_AUTH``: Provides the capability to dynamically disable Trusted + Board Boot authentication at runtime. This option is meant to be enabled only + for development platforms. ``TRUSTED_BOARD_BOOT`` flag must be set if this +diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk +index 5d33954ad..2d41b2db1 100644 +--- a/make_helpers/build_macros.mk ++++ b/make_helpers/build_macros.mk +@@ -438,6 +438,11 @@ else + --script $(LINKERFILE) $(BUILD_DIR)/build_message.o \ + $(OBJS) $(LDPATHS) $(LIBWRAPPER) $(LDLIBS) $(BL_LIBS) + endif ++ifeq ($(DISABLE_BIN_GENERATION),1) ++ @${ECHO_BLANK_LINE} ++ @echo "Built $$@ successfully" ++ @${ECHO_BLANK_LINE} ++endif + + $(DUMP): $(ELF) + $${ECHO} " OD $$@" +@@ -451,7 +456,11 @@ $(BIN): $(ELF) + @${ECHO_BLANK_LINE} + + .PHONY: bl$(1) ++ifeq ($(DISABLE_BIN_GENERATION),1) ++bl$(1): $(ELF) $(DUMP) ++else + bl$(1): $(BIN) $(DUMP) ++endif + + all: bl$(1) + +diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk +index be84f7791..dc797ed1f 100644 +--- a/make_helpers/defaults.mk ++++ b/make_helpers/defaults.mk +@@ -62,6 +62,9 @@ DEBUG := 0 + # Build platform + DEFAULT_PLAT := fvp + ++# Disable the generation of the binary image (ELF only). ++DISABLE_BIN_GENERATION := 0 ++ + # Enable capability to disable authentication dynamically. Only meant for + # development platforms. + DYN_DISABLE_AUTH := 0 +-- +2.20.1 + |