/usr/src/linux-headers-5.15.0-181/arch/mips/fw/lib
Edit: /usr/src/linux-headers-5.15.0-181/arch/mips/fw/lib/Makefile (167B)
# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for generic prom monitor library routines under Linux.
#
lib-y += cmdline.o
lib-$(CONFIG_64BIT) += call_o32.o