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-rw-r--r--target/linux/brcm47xx/image/Makefile8
1 files changed, 8 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/image/Makefile b/target/linux/brcm47xx/image/Makefile
index 584bb6cac6..d19a13ee60 100644
--- a/target/linux/brcm47xx/image/Makefile
+++ b/target/linux/brcm47xx/image/Makefile
@@ -12,7 +12,12 @@ define Build/Clean
endef
define Image/Prepare
+ # Optimized LZMA compression (with dictionary), handled by lzma-loader.
cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
+
+ # Less optimal LZMA compression (no dictionary), handled by CFE.
+ $(STAGING_DIR_HOST)/bin/lzma e -so -d16 $(KDIR)/vmlinux > $(KDIR)/vmlinux-nodictionary.lzma
+
gzip -nc9 $(KDIR)/vmlinux > $(KDIR)/vmlinux.gz
ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
cat $(KDIR)/vmlinux-initramfs | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux-initramfs.lzma
@@ -230,6 +235,9 @@ define Image/Build
$(STAGING_DIR_HOST)/bin/trx -o $(BIN_DIR)/$(IMG_PREFIX)-$(1).trx \
-f $(KDIR)/loader.gz -f $(KDIR)/vmlinux.lzma \
$(call trxalign/$(1),$(1))
+ $(STAGING_DIR_HOST)/bin/trx -o $(BIN_DIR)/$(IMG_PREFIX)-$(1)-noloader-nodictionary.trx \
+ -f $(KDIR)/vmlinux-nodictionary.lzma \
+ $(call trxalign/$(1),$(1))
$(STAGING_DIR_HOST)/bin/trx -o $(BIN_DIR)/$(IMG_PREFIX)-$(1)-gz.trx \
-f $(KDIR)/vmlinux.gz \
$(call trxalign/$(1),$(1))