################################################################################ ## Subdirectories ################################################################################ subdirs-y += allwinner subdirs-y += amd subdirs-y += dmp subdirs-y += armltd subdirs-y += imgtec subdirs-y += intel subdirs-y += ti subdirs-y += via subdirs-y += x86 subdirs-$(CONFIG_CPU_QEMU_X86) += qemu-x86 $(eval $(call create_class_compiler,cpu_microcode,x86_32)) ################################################################################ ## Rules for building the microcode blob in CBFS ################################################################################ # External microcode file, or are we generating one ? ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL), y) cpu_ucode_cbfs_file = $(call strip_quotes,$(CONFIG_CPU_MICROCODE_FILE)) cbfs_include_ucode = y endif ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE), y) cpu_ucode_cbfs_file = $(obj)/cpu_microcode_blob.bin cbfs_include_ucode = y endif # We just mash all microcode binaries together into one binary to rule them all. # This approach assumes that the microcode binaries are properly padded, and # their headers specify the correct size. This works fairly well on isolatied # updates, such as Intel and some AMD microcode, but won't work very well if the # updates are wrapped in a container, like AMD's microcode update container. If # there is only one microcode binary (i.e. one container), then we don't have # this issue, and this rule will continue to work. $(obj)/cpu_microcode_blob.bin: $$(cpu_microcode_bins) @printf " MICROCODE $(subst $(obj)/,,$(@))\n" @echo $(cpu_microcode_bins) cat $+ > $@ cbfs-files-$(cbfs_include_ucode) += cpu_microcode_blob.bin cpu_microcode_blob.bin-file := $(cpu_ucode_cbfs_file) cpu_microcode_blob.bin-type := microcode ifneq ($(CONFIG_CPU_MICROCODE_CBFS_LOC),) cpu_microcode_blob.bin-position := $(CONFIG_CPU_MICROCODE_CBFS_LOC) else cpu_microcode_blob.bin-align := 16 endif