1# $NetBSD: Makefile.arm,v 1.42 2014/03/02 13:21:59 joerg Exp $ 2 3# Makefile for NetBSD 4# 5# This makefile is constructed from a machine description: 6# config machineid 7# Most changes should be made in the machine description 8# /sys/arch/<arch>/conf/``machineid'' 9# after which you should do 10# config machineid 11# Machine generic makefile changes should be made in 12# /sys/arch/arm/conf/Makefile.arm 13# after which config should be rerun for all machines of that type. 14# 15# To specify debugging, add the config line: makeoptions DEBUG="-g" 16# A better way is to specify -g only for a few files. 17# 18# makeoptions DEBUGLIST="uvm* trap if_*" 19 20USETOOLS?= no 21NEED_OWN_INSTALL_TARGET?=no 22.include <bsd.own.mk> 23 24## 25## (1) port identification 26## 27THISARM= $S/arch/${MACHINE} 28ARM= $S/arch/arm 29GENASSYM_CONF= ${ARM}/arm32/genassym.cf 30.-include "$S/arch/${MACHINE}/conf/Makefile.${MACHINE}.inc" 31 32## 33## (2) compile settings 34## 35# CPPFLAGS set by platform-specific Makefile fragment. 36AFLAGS+= -x assembler-with-cpp 37COPTS.arm32_kvminit.c+= -fno-stack-protector 38COPTS.vfp_init.c= -mfpu=vfp 39AFLAGS.bcopyinout.S+=-marm 40AFLAGS.cpuswitch.S+=-marm -mfpu=vfp 41AFLAGS.locore.S+=-marm 42AFLAGS.fusu.S+=-marm 43AFLAGS.exception.S+=-marm 44AFLAGS.irq_dispatch.S+=-marm 45AFLAGS.blockio.S+=-marm 46AFLAGS.copystr.S+=-marm 47CFLAGS+= -mfloat-abi=soft 48 49# This files use instructions deprecated for ARMv7+, but still 50# included in kernel that build with higher -mcpu=... settings. 51CPPFLAGS.cpufunc_asm_armv4.S+= -mcpu=arm8 52CPPFLAGS.cpufunc_asm_armv6.S+= -mcpu=arm1136j-s 53CPPFLAGS.cpufunc_asm_arm11.S+= -mcpu=arm1136j-s 54CPPFLAGS.cpufunc_asm_xscale.S+= -mcpu=xscale 55 56## 57## (3) libkern and compat 58## 59KERN_AS= obj 60 61 62## 63## (4) local objects, compile rules, and dependencies 64## 65MD_OBJS+= ${SYSTEM_FIRST_OBJ} locore.o 66MD_CFILES+= 67MD_SFILES+= ${SYSTEM_FIRST_SFILE} ${ARM}/arm32/locore.S 68 69.if defined(SYSTEM_FIRST_OBJ) 70${SYSTEM_FIRST_OBJ}: ${SYSTEM_FIRST_SFILE} assym.h 71 ${NORMAL_S} 72.endif 73 74locore.o: ${ARM}/arm32/locore.S assym.h 75 ${NORMAL_S} 76 77## 78## (5) link settings 79## 80LOADADDRESS?= 0xF0000000 81LINKFLAGS_NORMAL= -X 82# Strip ARM mapping symbols from the kernel image, as they interfere 83# with ddb. Do it differently if 'makeoptions DEBUG="-g"' was specified. 84.if !defined(DEBUG) || empty(DEBUG:M-g*) 85SYSTEM_LD_TAIL?= ${SYSTEM_LD_TAIL_DBSYM} ; \ 86 ${OBJCOPY} --strip-symbol='$$a' \ 87 --strip-symbol='$$t' \ 88 --strip-symbol='$$d' $@ ;\ 89 ${SIZE} $@; chmod 755 $@ 90.else 91STRIPFLAGS=-g --strip-symbol='$$a' --strip-symbol='$$t' --strip-symbol='$$d' 92.endif 93 94## 95## (6) port specific target dependencies 96## 97 98# depend on CPU configuration 99cpufunc.o cpufunc_asm.o: Makefile 100 101# depend on DIAGNOSTIC etc. 102cpuswitch.o fault.o machdep.o: Makefile 103 104# various assembly files that depend on assym.h 105atomic.o bcopy_page.o bcopyinout.o copystr.o cpuswitch.o cpu_in_cksum.o: assym.h 106exception.o fiq_subr.o fusu.o irq_dispatch.o isa_irq.o sigcode.o: assym.h 107spl.o vectors.o: assym.h 108 109## 110## (7) misc settings 111## 112 113## 114## (8) config(8) generated machinery 115## 116%INCLUDES 117 118%OBJS 119 120%CFILES 121 122%SFILES 123 124%LOAD 125 126%RULES 127 128## 129## (9) after the config file is inserted 130## 131 132.for f in ${SFILES:T:Mcpufunc_asm*} 133AFLAGS.${f}+=-marm 134.endfor 135 136## 137## (10) port independent kernel machinery 138## 139 140.include "$S/conf/Makefile.kern.inc" 141 142## 143## (11) Appending make options. 144## 145%MAKEOPTIONSAPPEND 146