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platform_build
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Extend the CPU ABI specification mechanism. 

Add a (read only) system property that is a comma
separated list of ABIs supported by the device in order
of preference. For example, typical arm-v8 device might
define:

ro.cpu.abilist = arm64-v8a,armeabi-v7a,armeabi

For most purposes, a single flattened list like the above is
probably more useful than the parallel system of variables
TARGET_CPU_ABI{2} / TARGET_2ND_ARCH_CPU_ABI{2} that we use
in the build system.

Change-Id: If9102669ad9f5f8fd89a8bcc5bf88cca1acadc3c
This commit is contained in:
Narayan Kamath 2014-03-26 17:33:55 +00:00
parent fa97fe67d3
commit 1a43b375b4
3 changed files with 30 additions and 0 deletions
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1
core/Makefile
View File

@ -191,6 +191,7 @@ $(INSTALLED_BUILD_PROP_TARGET): $(BUILDINFO_SH) $(INTERNAL_BUILD_ID_MAKEFILE) $(
TARGET_BOOTLOADER_BOARD_NAME="$(TARGET_BOOTLOADER_BOARD_NAME)" \
BUILD_FINGERPRINT="$(BUILD_FINGERPRINT)" \
TARGET_BOARD_PLATFORM="$(TARGET_BOARD_PLATFORM)" \
TARGET_CPU_ABI_LIST="$(TARGET_CPU_ABI_LIST)" \
TARGET_CPU_ABI="$(TARGET_CPU_ABI)" \
TARGET_CPU_ABI2="$(TARGET_CPU_ABI2)" \
TARGET_AAPT_CHARACTERISTICS="$(TARGET_AAPT_CHARACTERISTICS)" \

22
core/envsetup.mk
View File

@ -143,6 +143,28 @@ endif
TARGET_DEVICE_DIR := $(patsubst %/,%,$(dir $(board_config_mk)))
board_config_mk :=
# "ro.product.cpu.abilist" is a comma separated list of ABIs (in order
# of preference) that the target supports. If a TARGET_CPU_ABI_LIST
# is specified by the board configuration, we use that. If not, we
# build a list out of the TARGET_CPU_ABIs specified by the config.
ifeq (,$(TARGET_CPU_ABI_LIST))
TARGET_CPU_ABI_LIST := $(TARGET_CPU_ABI)
ifneq (,$(TARGET_CPU_ABI2))
TARGET_CPU_ABI_LIST += ,$(TARGET_CPU_ABI2)
endif
ifneq (,$(TARGET_2ND_CPU_ABI))
TARGET_CPU_ABI_LIST += ,$(TARGET_2ND_CPU_ABI)
endif
ifneq (,$(TARGET_2ND_CPU_ABI2))
TARGET_CPU_ABI_LIST += ,$(TARGET_2ND_CPU_ABI2)
endif
# Strip whitespace from the ABI list string.
empty :=
space := $(empty) $(empty)
TARGET_CPU_ABI_LIST := $(subst $(space),,$(TARGET_CPU_ABI_LIST))
endif
# ---------------------------------------------------------------
# Set up configuration for target machine.
# The following must be set:

7
tools/buildinfo.sh
View File

@ -20,10 +20,17 @@ echo "ro.product.brand=$PRODUCT_BRAND"
echo "ro.product.name=$PRODUCT_NAME"
echo "ro.product.device=$TARGET_DEVICE"
echo "ro.product.board=$TARGET_BOOTLOADER_BOARD_NAME"
# These values are deprecated, use "ro.product.cpu.abilist"
# instead (see below).
echo "# ro.product.cpu.abi and ro.product.cpu.abi2 are obsolete,"
echo "# use ro.product.cpu.abilist instead."
echo "ro.product.cpu.abi=$TARGET_CPU_ABI"
if [ -n "$TARGET_CPU_ABI2" ] ; then
echo "ro.product.cpu.abi2=$TARGET_CPU_ABI2"
fi
echo "ro.product.cpu.abilist=$TARGET_CPU_ABI_LIST"
echo "ro.product.manufacturer=$PRODUCT_MANUFACTURER"
if [ -n "$PRODUCT_DEFAULT_LANGUAGE" ] ; then
echo "ro.product.locale.language=$PRODUCT_DEFAULT_LANGUAGE"