| ################################################################################ |
| ## 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-$(CONFIG_ARCH_X86) += x86 |
| subdirs-$(CONFIG_CPU_QEMU_X86) += qemu-x86 |
| |
| $(eval $(call create_class_compiler,cpu_microcode,x86_32)) |
| ################################################################################ |
| ## Rules for building the microcode blob in CBFS |
| ################################################################################ |
| |
| ifneq ($(CONFIG_CPU_MICROCODE_MULTIPLE_FILES), y) |
| cbfs-files-$(CONFIG_CPU_MICROCODE_CBFS_GENERATE) += cpu_microcode_blob.bin |
| endif |
| |
| ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y) |
| cbfs-files-y += cpu_microcode_blob.bin |
| cpu_microcode_blob.bin-file = $(objgenerated)/microcode.bin |
| |
| $(objgenerated)/microcode.bin: |
| echo " util/scripts/ucode_h_to_bin.sh $(objgenerated)/microcode.bin \"$(CONFIG_CPU_MICROCODE_HEADER_FILES)\"" |
| util/scripts/ucode_h_to_bin.sh $(objgenerated)/microcode.bin $(CONFIG_CPU_MICROCODE_HEADER_FILES) |
| 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 /dev/null $+ > $@ |
| |
| cpu_microcode_blob.bin-file ?= $(obj)/cpu_microcode_blob.bin |
| cpu_microcode_blob.bin-type := microcode |
| |
| ifneq ($(CONFIG_CPU_MICROCODE_CBFS_LOC),) |
| cpu_microcode_blob.bin-position := $(CONFIG_CPU_MICROCODE_CBFS_LOC) |
| else |
| cpu_microcode_blob.bin-align := 16 |
| endif |