Add build support for XZ ramdisks
Co-authored-by: Arne Coucheron <arco68@gmail.com>
Change-Id: I61530b6da06e0038970551aa4d12bce02007ae3c
diff --git a/core/Makefile b/core/Makefile
index 1f9619b..852ba72 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1079,6 +1079,10 @@
COMPRESSION_COMMAND_DEPS := $(LZ4)
COMPRESSION_COMMAND := $(LZ4) -l -12 --favor-decSpeed
RAMDISK_EXT := .lz4
+else ifeq ($(BOARD_RAMDISK_USE_XZ),true)
+COMPRESSION_COMMAND_DEPS := $(XZ)
+COMPRESSION_COMMAND := $(XZ) -f -c --check=crc32 --lzma2=dict=32MiB
+RAMDISK_EXT := .xz
else
COMPRESSION_COMMAND_DEPS := $(GZIP)
COMPRESSION_COMMAND := $(GZIP)
@@ -2631,7 +2635,7 @@
ifeq (,$(filter true, $(BOARD_USES_FULL_RECOVERY_IMAGE) $(BOARD_USES_RECOVERY_AS_BOOT) \
$(BOARD_INCLUDE_RECOVERY_DTBO) $(BOARD_INCLUDE_RECOVERY_ACPIO) \
- $(BOARD_MOVE_RECOVERY_RESOURCES_TO_VENDOR_BOOT) $(BOARD_RAMDISK_USE_LZ4)))
+ $(BOARD_MOVE_RECOVERY_RESOURCES_TO_VENDOR_BOOT) $(BOARD_RAMDISK_USE_LZ4) $(BOARD_RAMDISK_USE_XZ)))
# Named '.dat' so we don't attempt to use imgdiff for patching it.
RECOVERY_RESOURCE_ZIP := $(TARGET_OUT_VENDOR)/etc/recovery-resource.dat
ALL_DEFAULT_INSTALLED_MODULES += $(RECOVERY_RESOURCE_ZIP)
@@ -3575,7 +3579,7 @@
ifneq ($(INSTALLED_RECOVERYIMAGE_TARGET),)
ifneq ($(BOARD_USES_FULL_RECOVERY_IMAGE),true)
ifneq (,$(filter true,$(BOARD_INCLUDE_RECOVERY_DTBO) $(BOARD_INCLUDE_RECOVERY_ACPIO) \
- $(BOARD_RAMDISK_USE_LZ4)))
+ $(BOARD_RAMDISK_USE_LZ4) $(BOARD_RAMDISK_USE_XZ)))
diff_tool := $(HOST_OUT_EXECUTABLES)/bsdiff
else
diff_tool := $(HOST_OUT_EXECUTABLES)/imgdiff
@@ -5907,6 +5911,9 @@
ifeq ($(BOARD_RAMDISK_USE_LZ4),true)
echo "lz4_ramdisks=true" >> $@
endif
+ifeq ($(BOARD_RAMDISK_USE_XZ),true)
+ echo "xz_ramdisks=true" >> $@
+endif
ifneq ($(INSTALLED_VENDOR_BOOTIMAGE_TARGET),)
echo "vendor_boot=true" >> $@
echo "vendor_boot_size=$(BOARD_VENDOR_BOOTIMAGE_PARTITION_SIZE)" >> $@