[Buildroot] [PATCH 3/6] boot/arm-trusted-firmware: support debug mode
Etienne Carriere
etienne.carriere at linaro.org
Wed Mar 6 10:11:37 UTC 2019
When the trusted firmware is built with debug support (DEBUG defined),
the generated images are located at a specific path. The non debug
images are located in generated directory build/<platform>/release/
while the debug images are located in generated directory
build/<platform>/debug/.
This change introduces boolean BR2_TARGET_ARM_TRUSTED_FIRMWARE_DEBUG
to define whether the release or debug configuration is used to build
trusted firmware. Note that enabling trusted firmware debug support, i.e
BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES="... DEBUG=1 ..."
without enabling BR2_TARGET_ARM_TRUSTED_FIRMWARE_DEBUG will fail since
Buildroot will get generated files from the wrong path.
Signed-off-by: Etienne Carriere <etienne.carriere at linaro.org>
---
boot/arm-trusted-firmware/Config.in | 7 +++++++
boot/arm-trusted-firmware/arm-trusted-firmware.mk | 6 ++++++
2 files changed, 13 insertions(+)
diff --git a/boot/arm-trusted-firmware/Config.in b/boot/arm-trusted-firmware/Config.in
index a1a0c54..9a152b9 100644
--- a/boot/arm-trusted-firmware/Config.in
+++ b/boot/arm-trusted-firmware/Config.in
@@ -136,4 +136,11 @@ config BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES
Additional parameters for the ATF build
E.G. 'DEBUG=1 LOG_LEVEL=20'
+config BR2_TARGET_ARM_TRUSTED_FIRMWARE_DEBUG
+ bool "Debug mode of the trusted firmware"
+ default n
+ help
+ Enable this directive if trusted firmware is built in debug
+ mode.
+
endif
diff --git a/boot/arm-trusted-firmware/arm-trusted-firmware.mk b/boot/arm-trusted-firmware/arm-trusted-firmware.mk
index 0f67d10..89d9db3 100644
--- a/boot/arm-trusted-firmware/arm-trusted-firmware.mk
+++ b/boot/arm-trusted-firmware/arm-trusted-firmware.mk
@@ -28,7 +28,13 @@ endif
ARM_TRUSTED_FIRMWARE_INSTALL_IMAGES = YES
ARM_TRUSTED_FIRMWARE_PLATFORM = $(call qstrip,$(BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM))
+
+ifeq ($(BR2_TARGET_ARM_TRUSTED_FIRMWARE_DEBUG),y)
+ARM_TRUSTED_FIRMWARE_MAKE_OPTS += DEBUG=1
+ARM_TRUSTED_FIRMWARE_IMG_DIR = $(@D)/build/$(ARM_TRUSTED_FIRMWARE_PLATFORM)/debug
+else
ARM_TRUSTED_FIRMWARE_IMG_DIR = $(@D)/build/$(ARM_TRUSTED_FIRMWARE_PLATFORM)/release
+endif
ARM_TRUSTED_FIRMWARE_MAKE_OPTS += \
CROSS_COMPILE="$(TARGET_CROSS)" \
--
1.9.1
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