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-rw-r--r--Makefile.inc24
1 files changed, 23 insertions, 1 deletions
diff --git a/Makefile.inc b/Makefile.inc
index c40cec8842..ec086b90ff 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -104,7 +104,7 @@ subdirs-y += util/checklist util/testing
#######################################################################
# Add source classes and their build options
-classes-y := ramstage romstage bootblock postcar smm smmstub cpu_microcode verstage
+classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
# Add dynamic classes for rmodules
$(foreach supported_arch,$(ARCH_SUPPORTED), \
@@ -186,6 +186,7 @@ ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
$(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
$(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
+decompressor-generic-ccopts += -D__PRE_RAM__ -D__DECOMPRESSOR__
bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
ramstage-generic-ccopts += -D__RAMSTAGE__
@@ -631,10 +632,30 @@ find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call
# the linker marked it NOBITS automatically because there are only zeroes in it.
preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
+ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
+
+$(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
+ @printf " LZ4 $(subst $(obj)/,,$(@))\n"
+ $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
+ $(OBJCOPY_bootblock) -O binary $@.tmp
+ $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
+ rm -f $@.tmp
+ mv $@.tmp2 $@
+
+# Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
+# Makefiles wrapping the bootblock in a header can always key off the same file.
+$(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
+ @printf " OBJCOPY $(notdir $(@))\n"
+ $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
+
+else # CONFIG_COMPRESS_BOOTBLOCK
+
$(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
@printf " OBJCOPY $(notdir $(@))\n"
$(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
+endif # CONFIG_COMPRESS_BOOTBLOCK
+
$(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
@printf " OBJCOPY $(notdir $(@))\n"
$(OBJCOPY_bootblock) -O binary $< $@
@@ -651,6 +672,7 @@ $(objcbfs)/%.elf: $(objcbfs)/%.debug
$(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
mv $@.tmp $@
+
###########################################################################
# Build the final rom image
###########################################################################