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package/rcw: add option to generate the RCW 

When the rcw tools is built, it is probably to generate the RCW (Reset
Configuration Word) of the target. So it makes sense to do this directly
in the Buildroot infra and install it in the images directory, just like
we do for e.g. device tree blobs.

Add an option BR2_PACKAGE_HOST_RCW_CUSTOM_PATH that allows to specify
the source for the RCW. And while we're at it, make it possible to
specify multiple .rcw and .rcwi files, just like for device trees.

Signed-off-by: Jared Bents <jared.bents@rockwellcollins.com>
[Arnout:
  * Reword help text and commit message
  * Remove definition of RCW_DELIVERY_FILE
  * Define and use RCW_FILES
  * Enclose everything in ifneq($(RCW_FILES),)
  * Enclose error in ifeq($(BR_BUILDING),y)
  * Add actual error message
  * Don't limit to only %.rcwi files
  * Don't delete *.bin
]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2020.02.x
Jared Bents 2019-08-03 23:00:52 +02:00 committed by Thomas Petazzoni
parent 3468ef16fa
commit d351bfb2bd
2 changed files with 46 additions and 0 deletions
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16
package/rcw/Config.in.host
View File

@ -10,3 +10,19 @@ config BR2_PACKAGE_HOST_RCW
then use this toolset and examples.
https://source.codeaurora.org/external/qoriq/qoriq-components/rcw/
if BR2_PACKAGE_HOST_RCW
config BR2_PACKAGE_HOST_RCW_CUSTOM_PATH
string "RCW Source file paths"
help
Space-separated list of .rcw and .rcwi files, that will be
used to generate a RCW binary. The entire list of .rcwi files
used by the .rcw file must be specified. There must be a
single .rcw file in the list.
This is optional. If left empty, the rcw package will be
included for use in the SDK or with post scripts but no
RCW binary will not be generated.
endif

30
package/rcw/rcw.mk
View File

@ -10,11 +10,41 @@ RCW_SITE_METHOD = git
RCW_LICENSE = BSD-3-Clause
RCW_LICENSE_FILES = LICENSE
RCW_FILES = $(call qstrip,$(BR2_PACKAGE_HOST_RCW_CUSTOM_PATH))
ifneq ($(RCW_FILES),)
# Get the name of the custom rcw file from the custom list
RCW_PROJECT = $(notdir $(filter %.rcw,$(RCW_FILES)))
# Error if there are no or more than one .rcw file
ifeq ($(BR_BUILDING),y)
ifneq ($(words $(RCW_PROJECT)),1)
$(error BR2_PACKAGE_HOST_RCW_CUSTOM_PATH must have exactly one .rcw file)
endif
endif
define HOST_RCW_ADD_CUSTOM_RCW_FILES
mkdir -p $(@D)/custom_board/rcw
cp -f $(filter-out %.rcw,$(RCW_FILES)) $(@D)/custom_board
cp -f $(filter %.rcw,$(RCW_FILES)) $(@D)/custom_board/rcw
endef
HOST_RCW_POST_PATCH_HOOKS += HOST_RCW_ADD_CUSTOM_RCW_FILES
define HOST_RCW_BUILD_CMDS
python $(@D)/rcw.py -i $(@D)/custom_board/rcw/$(RCW_PROJECT) -I $(@D)/custom_board -o $(@D)/PBL.bin
endef
define HOST_RCW_INSTALL_DELIVERY_FILE
$(INSTALL) -D -m 0644 $(@D)/PBL.bin $(BINARIES_DIR)/PBL.bin
endef
endif
# Copy source files and script into $(HOST_DIR)/share/rcw/ so a developer
# could use a post image or SDK to build/install PBL files.
define HOST_RCW_INSTALL_CMDS
mkdir -p $(HOST_DIR)/share/rcw
cp -a $(@D)/* $(HOST_DIR)/share/rcw
$(HOST_RCW_INSTALL_DELIVERY_FILE)
endef
$(eval $(host-generic-package))