# Copyright 1986-1994, Silicon Graphics Inc., Mountain View, CA.
#
# kcommondefs - contains basic common flags/locations for kernel builds
# ALL makefiles should include this - so that builds may be done in any
# directory
#
# DEPTH - should be set in the top of each Makefile - it spells the ".."
# path up to top level directory
#
#ident "$Revision: 1.1 $"

include $(ROOT)/usr/include/make/commondefs
#if defined(PRODUCT) && ! empty(PRODUCT)
ifdef PRODUCT
include $(PRODUCTDEFS)
endif

EVERYPRODUCT=4D80T 4D20 4D30 4D100 4D510 4D40 EVEREST 4DACE1 4DACENEX
KCOMMONTARGS= $(COMMONTARGS) lint
KCOMMONPREF=k

#
# We define a postop idb which should be used whenever we want to ensure 
# that a reconfig will occur: it avoids any local system time problems
# by changing the old kernel date back to the epoch.
# XXX we should fix inst to sanity-check the mtime of /unix and other
# XXX important files against current time
#
LBOOT=$(TOOLROOT)/usr/sbin/lboot
LBOOTPOSTOP=-idb 'postop("touch -c 0101000000 $$rbase/unix || true")'
# setsym information
SETSYM=$(TOOLROOT)/usr/sbin/setsym

#
# Compile Time Options - use KCDEFS, KCINCS, and KCOPTS in makefiles which
# include kcommondefs
# The kernel can be compiled in 3 different mode:
# _K32U32 - kernel in 32 bit mode running only 32 bit binaries
# _K32U64 - kernel in 32 bit mode running 32/64 bit binaries
# _K64U64 - kernel in 64 bit mode running 32/64 bit binaries
#
KMODEOPT?=-D_K32U32

#
# The default virtual page size is 4KB. The only other page size
# currently supported is 16KB.
#
PGSZOPT?=-D_PAGESZ=4096

#if defined(PRODUCT) && !empty(PRODUCT)

#if $(CPUBOARD) == "IP5"
PRODCDEFS=-D_MP_NETLOCKS
#endif
#if $(CPUBOARD) == "IP17Z"
PRODCDEFS=-DIP17 -DJUMP_WAR -DPROBE_WAR -DBADVA_WAR
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP17P"
PRODCDEFS=-DIP17 -DJUMP_WAR -DPROBE_WAR -DBADVA_WAR
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP17Q"
PRODCDEFS=-DIP17 -DJUMP_WAR -DPROBE_WAR -DBADVA_WAR
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP17"
PRODCDEFS=-DJUMP_WAR -DPROBE_WAR -DBADVA_WAR
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP19"
PRODCDEFS=-DEVEREST -DBADVA_WAR -DMP_R4000_BADVA_WAR -D_MP_NETLOCKS \
	-DECC_RECOVER -D_ATOMIC_OPS
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP19P"
PRODCDEFS=-DIP19 -DEVEREST -DBADVA_WAR -DMP_R4000_BADVA_WAR -DECC_RECOVER
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP19Q"
PRODCDEFS=-DIP19 -DEVEREST -DBADVA_WAR -DMP_R4000_BADVA_WAR -DECC_RECOVER
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP19S"
PRODCDEFS=-DIP19 -DSABLE -DEVEREST -DBADVA_WAR -DECC_RECOVER
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
LBOOTOPTS=-v -D
#endif
#if $(CPUBOARD) == "IP20"
PRODCDEFS=-DJUMP_WAR -DPROBE_WAR -DBADVA_WAR -D_MEM_PARITY_WAR
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP21"
#if $(KMODEOPT) == _K32U32 || $(KMODEOPT) == _K32U64

# STAT_TIME is required for 32-bit TFP kernels, since the locore code which
# manages the timers can't afford to get a tlbmiss on the 32-bit sign
# extended addresses.

PRODCDEFS=-DEVEREST -DNO_WIRED_SEGMENTS -DTFP_TLBCACHE_WAR -DSABLE -DSTAT_TIME
#else
PRODCDEFS=-DEVEREST -DNO_WIRED_SEGMENTS -DTFP_TLBCACHE_WAR -DSABLE 
#endif
PRODASOPTS=-mips3 -32bit -Wb,-diag
LBOOTOPTS=-v -D
#endif
#if $(CPUBOARD) == "IP21P"
PRODCDEFS=-DIP21 -DEVEREST -DNO_WIRED_SEGMENTS -DTFP_TLBCACHE_WAR -DSABLE 
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif
#if $(CPUBOARD) == "IP22"
PRODCDEFS=-DJUMP_WAR -DPROBE_WAR -DBADVA_WAR -D_VCE_AVOIDANCE \
	-D_R4600_CACHEOP_WAR -D_TLB_LOOP_LIMIT -D_MEM_PARITY_WAR \
	-D_R4600_2_0_CACHEOP_WAR
PRODCOPTS=-mips2
PRODASOPTS=-mips3 -32bit -Wb,-diag
#endif

#endif

LBOOTOPTS?=-v
GNUMVAL= 8

GKDEFS= $(KMODEOPT) $(PGSZOPT) -D_KERNEL -DSTATIC=static $(DBOPTS) $(PRODCDEFS) -D$(COMPLEX) -D$(CPUBOARD) -D$(CPUARCH) $(CPUARCH_PRODDEFS) -D_IRIX5_1
GKOPTS= -non_shared -coff
GKCOPTS=$(PRODCOPTS)
GKASOPTS=$(PRODASOPTS) -Wb,-coff

LCDEFS= $(KCDEFS) $(GKDEFS)
LCINCS= $(KCINCS) -I$(DEPTH)
LCOPTS= $(KCOPTS) -Wx,-G$(GNUMVAL) $(GKOPTS) $(GKCOPTS)

LASDEFS=$(KASDEFS) $(GKDEFS)
LASINCS=$(KASINCS) -I$(DEPTH)
LASOPTS=$(KASOPTS) -Wx,-G$(GNUMVAL) $(GKOPTS) $(GKASOPTS)

LDFLAGS= $(KLDFLAGS) -G $(GNUMVAL) -coff -non_shared

MKDEPFILE=$(KPATH)/Makedepend.$(CPUBOARD)

#
# Lint options
#
LINTCFLAGS= $(CVERSION) $(ENDIAN) $(CDEFS) $(CINCS) -u -n -woff 91,102,302,307
LINTLDFLAGS= -u -n -woff 91,102

#
# Pathnames for lboot/objects
#
SYSGENDIR=/usr/sysgen
BOOTAREA=$(DEPTH)/$(CPUBOARD)bootarea
CPUINSTDIR=$(SYSGENDIR)/$(CPUBOARD)boot
BOOTDIR=$(SYSGENDIR)/boot
MASTERDIR=$(SYSGENDIR)/master.d
MTUNEDIR=$(SYSGENDIR)/mtune

SHIP_SYSGENDIR=/var/sysgen
SHIP_CPUINSTDIR=/usr/cpu/sysgen/$(CPUBOARD)boot
SHIP_MASTERDIR=$(SHIP_SYSGENDIR)/master.d
SHIP_MTUNEDIR=$(SHIP_SYSGENDIR)/mtune

# full path here so can override in klocaldefs
STUNEFILE=$(ROOT)/$(SYSGENDIR)/stune
SHIP_STUNEFILE=$(ROOT)/$(SHIP_SYSGENDIR)/stune

# lint object area
LINTBOOTAREA=$(DEPTH)/lintbootarea

#
# relative level from BOOTAREA to top of source
#
TOP=..

#
# Kernel install rule for production (shipped) objects
#
KINSTALL=$(INSTALL) -F $(SHIP_CPUINSTDIR) -m 444 -idb "nostrip mach(CPUBOARD=$(CPUBOARD))"
KNOMODEINSTALL=$(INSTALL) -F $(SHIP_CPUINSTDIR) -idb "nostrip mach(CPUBOARD=$(CPUBOARD))"

#
# Kernel install rule for developer objects
#
KDEVINSTALL=$(INSTALL) -F $(CPUINSTDIR) -m 444 -idb nostrip
KNOMODEDEVINSTALL=$(INSTALL) -F $(CPUINSTDIR) -idb nostrip

#
# Kernel install rule for putting object into $(ROOT)/$(CPUINSTDIR)
#	this needs to NEVER have RAWIDB set
#
KLINKINSTALL=RAWIDB= $(INSTALL) -F $(CPUINSTDIR) -m 444 -idb nostrip

#
# All low level makefiles will execute this rule for the default build case
#
TARGETRULE= \
	cd $(BOOTAREA); \
	exec $(MAKE) -f $(KPATH)/Makefile targets DEPTH=$(TOP)

#
# SUBDIRS_MAKERULE that can handle a unset SUBDIRS variable
# and an arbitrary RULE
#
KSUBDIRS_MAKERULE= \
	if [ -n "${SUBDIRS}" ]; then \
		SUBD="${SUBDIRS}" ;\
		for d in $${SUBD}; do $(SUBDIR_MAKERULE); done; \
	fi

#
# Allows same sources to be compiled twice with different flags.
# Original Makefile must define TLINKDIR and TL_MAKEFILE before including
# kcommondefs.  The two Makefiles must specify different TARGET names.
#
TLINKDIR_MAKERULE= \
	if [ -n "${TLINKDIR}" -a -n "${TL_MAKEFILE}" ]; then\
		if [ -d  $(TLINKDIR) ]; then rm -rf $(TLINKDIR); fi; \
	tlink -r -x '^$(TLINKDIR)' -x '^Make.*' . $(TLINKDIR); \
	echo "\tcd $(TLINKDIR); $(MAKE) $${RULE:=$@}"; \
	cd $(TLINKDIR); ln -s ../$(TL_MAKEFILE) ./Makefile; \
	${MAKE} $${RULE:=$@}; \
	fi

#
# default is ALWAYS the MAIN target - by specifying it here we need not
# worry about ordering in the makefile
#
.MAIN:default

sinclude $(DEPTH)/klocaldefs