/usr/src/linux-headers-5.15.0-181/arch/x86/kernel/cpu/microcode
Edit: /usr/src/linux-headers-5.15.0-181/arch/x86/kernel/cpu/microcode/Makefile (196B)
# SPDX-License-Identifier: GPL-2.0-only
microcode-y := core.o
obj-$(CONFIG_MICROCODE) += microcode.o
microcode-$(CONFIG_MICROCODE_INTEL) += intel.o
microcode-$(CONFIG_MICROCODE_AMD) += amd.o