# $NetBSD: Makefile.mips,v 1.72.14.1 2023/09/11 13:35:37 martin Exp $ # Makefile for NetBSD # # This makefile is constructed from a machine description: # config machineid # Most changes should be made in the machine description # /sys/arch//conf/``machineid'' # after which you should do # config machineid # Machine generic makefile changes should be made in # /sys/arch/mips/conf/Makefile.mips # after which config should be rerun for all machines of that type. # # To specify debugging, add the config line: makeoptions DEBUG="-g" # A better way is to specify -g only for a few files. # # makeoptions DEBUGLIST="uvm* trap if_*" USETOOLS?= no NEED_OWN_INSTALL_TARGET?=no .include ## ## (0) toolchain settings for things that aren't part of the standard ## toolchain ## MIPS_ELF2ECOFF?= elf2ecoff ## ## (1) port identification ## .ifndef S S= ../../../.. .endif THISMIPS= $S/arch/${MACHINE} MIPS= $S/arch/mips GENASSYM_CONF= ${MIPS}/mips/genassym.cf .-include "${THISMIPS}/conf/Makefile.${MACHINE}.inc" ## ## (2) compile settings ## ## Note: -ffixed-?? must be kept in sync with cpu.h. ## CPPFLAGS+= -D${MACHINE} DEFGP?= -G 0 GP?= ${DEFGP} .if ${ACTIVE_CC} == "gcc" COPTS.mips_fpu.c+= -mhard-float -Wa,-mhard-float AFLAGS.fp.S+= -Wa,-mhard-float .endif CFLAGS+= ${GP} -mno-abicalls -msoft-float -ffixed-24 .if defined(LP64) && ${LP64} == "yes" .if ${MACHINE_MIPS64} CFLAGS+= -msym32 -mabi=64 AFLAGS+= -msym32 -mabi=64 .endif .if !empty(MACHINE_ARCH:Mmips*64eb) LDFLAGS+= -Wl,-m,elf64btsmip LINKFORMAT+= -m elf64btsmip SYSTEM_LD_TAIL_EXTRA+= \ ;echo ${OBJCOPY} -O elf32-ntradbigmips $@ $@.elf32; \ ${OBJCOPY} -O elf32-ntradbigmips $@ $@.elf32 .endif .if !empty(MACHINE_ARCH:Mmips*64el) LDFLAGS+= -Wl,-m,elf64ltsmip LINKFORMAT+= -m elf64ltsmip SYSTEM_LD_TAIL_EXTRA+= \ ;echo ${OBJCOPY} -O elf32-ntradlittlemips $@ $@.elf32; \ ${OBJCOPY} -O elf32-ntradlittlemips $@ $@.elf32 .endif .endif # LP64=yes AFLAGS+= -mno-abicalls -x assembler-with-cpp ${AOPTS} ## ## (3) libkern and compat ## OPT_MODULAR= %MODULAR% ## ## (4) local objects, compile rules, and dependencies ## MD_OBJS= locore.o locore_machdep.o MD_CFILES= MD_SFILES= ${MIPS}/mips/locore.S ${THISMIPS}/${MACHINE}/locore_machdep.S locore.o: ${MIPS}/mips/locore.S assym.h ${NORMAL_S} locore_machdep.o: ${THISMIPS}/${MACHINE}/locore_machdep.S assym.h ${NORMAL_S} ## ## (5) link settings ## .if ${MACHINE_MIPS64} TEXTADDR?= ${DEFTEXTADDR:C/0x8/0xFFFFFFFF8/} .else TEXTADDR?= ${DEFTEXTADDR} .endif KERNLDSCRIPT?= ${MIPS}/conf/kern.ldscript # some mips ports specify a "magic" format EXTRA_LINKFLAGS= ${GP} ${LDOPTS} LINKFLAGS_NORMAL= -X OBJCOPY_STRIPFLAGS= -g -X ## ## (6) port specific target dependencies ## # depend on CPU configuration machdep.o mainbus.o trap.o: Makefile # depend on System V IPC/shmem options mips_machdep.o pmap.o: Makefile # various assembly files that depend on assym.h copy.o fp.o locore.o locore_mips1.o locore_mips3.o: assym.h lock_stubs.o mips32_subr.o mips3_subr.o: assym.h mips64_subr.o mipsX_subr.o sigcode.o: assym.h ## ## (7) misc settings ## ## ## (8) config(8) generated machinery ## %INCLUDES %OBJS %CFILES %SFILES %LOAD %RULES ## ## (9) port independent kernel machinery ## .include "$S/conf/Makefile.kern.inc" ## ## (10) Appending make options. ## %MAKEOPTIONSAPPEND