makefile

linux 内核源代码

load-$(CONFIG_QEMU)		+= 0xffffffff80010000
all-$(CONFIG_QEMU)		:= vmlinux.bin

#
# Basler eXcite
#
core-$(CONFIG_BASLER_EXCITE)	+= arch/mips/basler/excite/
cflags-$(CONFIG_BASLER_EXCITE)	+= -Iinclude/asm-mips/mach-excite
load-$(CONFIG_BASLER_EXCITE)	+= 0x80100000

#
# LASAT platforms
#
core-$(CONFIG_LASAT)		+= arch/mips/lasat/
cflags-$(CONFIG_LASAT)		+= -Iinclude/asm-mips/mach-lasat
load-$(CONFIG_LASAT)		+= 0xffffffff80000000

#
# Common VR41xx
#
core-$(CONFIG_MACH_VR41XX)	+= arch/mips/vr41xx/common/
cflags-$(CONFIG_MACH_VR41XX)	+= -Iinclude/asm-mips/mach-vr41xx

#
# NEC VR4133
#
core-$(CONFIG_NEC_CMBVR4133)	+= arch/mips/vr41xx/nec-cmbvr4133/
load-$(CONFIG_NEC_CMBVR4133)	+= 0xffffffff80100000

#
# ZAO Networks Capcella (VR4131)
#
load-$(CONFIG_ZAO_CAPCELLA)	+= 0xffffffff80000000

#
# Victor MP-C303/304 (VR4122)
#
load-$(CONFIG_VICTOR_MPC30X)	+= 0xffffffff80001000

#
# IBM WorkPad z50 (VR4121)
#
core-$(CONFIG_IBM_WORKPAD)	+= arch/mips/vr41xx/ibm-workpad/
load-$(CONFIG_IBM_WORKPAD)	+= 0xffffffff80004000

#
# CASIO CASSIPEIA E-55/65 (VR4111)
#
core-$(CONFIG_CASIO_E55)	+= arch/mips/vr41xx/casio-e55/
load-$(CONFIG_CASIO_E55)	+= 0xffffffff80004000

#
# TANBAC VR4131 multichip module(TB0225) and TANBAC VR4131DIMM(TB0229) (VR4131)
#
load-$(CONFIG_TANBAC_TB022X)	+= 0xffffffff80000000

#
# Common Philips PNX8550
#
core-$(CONFIG_SOC_PNX8550)	+= arch/mips/philips/pnx8550/common/
cflags-$(CONFIG_SOC_PNX8550)	+= -Iinclude/asm-mips/mach-pnx8550

#
# Philips PNX8550 JBS board
#
libs-$(CONFIG_PNX8550_JBS)	+= arch/mips/philips/pnx8550/jbs/
#cflags-$(CONFIG_PNX8550_JBS)	+= -Iinclude/asm-mips/mach-pnx8550
load-$(CONFIG_PNX8550_JBS)	+= 0xffffffff80060000

# Philips PNX8550 STB810 board
#
libs-$(CONFIG_PNX8550_STB810)	+= arch/mips/philips/pnx8550/stb810/
load-$(CONFIG_PNX8550_STB810)	+= 0xffffffff80060000

# NEC EMMA2RH boards
#
core-$(CONFIG_EMMA2RH)          += arch/mips/emma2rh/common/
cflags-$(CONFIG_EMMA2RH)        += -Iinclude/asm-mips/mach-emma2rh

# NEC EMMA2RH Mark-eins
core-$(CONFIG_MARKEINS)         += arch/mips/emma2rh/markeins/
load-$(CONFIG_MARKEINS)         += 0xffffffff88100000

#
# SGI IP22 (Indy/Indigo2)
#
# Set the load address to >= 0xffffffff88069000 if you want to leave space for
# symmon, 0xffffffff80002000 for production kernels.  Note that the value must
# be aligned to a multiple of the kernel stack size or the handling of the
# current variable will break so for 64-bit kernels we have to raise the start
# address by 8kb.
#
core-$(CONFIG_SGI_IP22)		+= arch/mips/sgi-ip22/
cflags-$(CONFIG_SGI_IP22)	+= -Iinclude/asm-mips/mach-ip22
ifdef CONFIG_32BIT
load-$(CONFIG_SGI_IP22)		+= 0xffffffff88002000
endif
ifdef CONFIG_64BIT
load-$(CONFIG_SGI_IP22)		+= 0xffffffff88004000
endif

#
# SGI-IP27 (Origin200/2000)
#
# Set the load address to >= 0xc000000000300000 if you want to leave space for
# symmon, 0xc00000000001c000 for production kernels.  Note that the value must
# be 16kb aligned or the handling of the current variable will break.
#
ifdef CONFIG_SGI_IP27
core-$(CONFIG_SGI_IP27)		+= arch/mips/sgi-ip27/
cflags-$(CONFIG_SGI_IP27)	+= -Iinclude/asm-mips/mach-ip27
ifdef CONFIG_MAPPED_KERNEL
load-$(CONFIG_SGI_IP27)		+= 0xc00000004001c000
OBJCOPYFLAGS			:= --change-addresses=0x3fffffff80000000
dataoffset-$(CONFIG_SGI_IP27)	+= 0x01000000
else
load-$(CONFIG_SGI_IP27)		+= 0xa80000000001c000
OBJCOPYFLAGS			:= --change-addresses=0x57ffffff80000000
endif
endif

#
# SGI-IP32 (O2)
#
# Set the load address to >= 80069000 if you want to leave space for symmon,
# 0xffffffff80004000 for production kernels.  Note that the value must be aligned to
# a multiple of the kernel stack size or the handling of the current variable
# will break.
#
core-$(CONFIG_SGI_IP32)		+= arch/mips/sgi-ip32/
cflags-$(CONFIG_SGI_IP32)	+= -Iinclude/asm-mips/mach-ip32
load-$(CONFIG_SGI_IP32)		+= 0xffffffff80004000

#
# Sibyte SB1250/BCM1480 SOC
#
# This is a LIB so that it links at the end, and initcalls are later
# the sequence; but it is built as an object so that modules don't get
# removed (as happens, even if they have __initcall/module_init)
#
core-$(CONFIG_SIBYTE_BCM112X)	+= arch/mips/sibyte/sb1250/
core-$(CONFIG_SIBYTE_BCM112X)	+= arch/mips/sibyte/common/
cflags-$(CONFIG_SIBYTE_BCM112X)	+= -Iinclude/asm-mips/mach-sibyte \
			-DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL

core-$(CONFIG_SIBYTE_SB1250)	+= arch/mips/sibyte/sb1250/
core-$(CONFIG_SIBYTE_SB1250)	+= arch/mips/sibyte/common/
cflags-$(CONFIG_SIBYTE_SB1250)	+= -Iinclude/asm-mips/mach-sibyte \
			-DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1250_112x_ALL

core-$(CONFIG_SIBYTE_BCM1x55)	+= arch/mips/sibyte/bcm1480/
core-$(CONFIG_SIBYTE_BCM1x55)	+= arch/mips/sibyte/common/
cflags-$(CONFIG_SIBYTE_BCM1x55)	+= -Iinclude/asm-mips/mach-sibyte \
			-DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL

core-$(CONFIG_SIBYTE_BCM1x80)	+= arch/mips/sibyte/bcm1480/
core-$(CONFIG_SIBYTE_BCM1x80)	+= arch/mips/sibyte/common/
cflags-$(CONFIG_SIBYTE_BCM1x80)	+= -Iinclude/asm-mips/mach-sibyte \
			-DSIBYTE_HDR_FEATURES=SIBYTE_HDR_FMASK_1480_ALL

#
# Sibyte BCM91120x (Carmel) board
# Sibyte BCM91120C (CRhine) board
# Sibyte BCM91125C (CRhone) board
# Sibyte BCM91125E (Rhone) board
# Sibyte SWARM board
# Sibyte BCM91x80 (BigSur) board
#
libs-$(CONFIG_SIBYTE_CARMEL)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_CARMEL)	:= 0xffffffff80100000
libs-$(CONFIG_SIBYTE_CRHINE)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_CRHINE)	:= 0xffffffff80100000
libs-$(CONFIG_SIBYTE_CRHONE)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_CRHONE)	:= 0xffffffff80100000
libs-$(CONFIG_SIBYTE_RHONE)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_RHONE)	:= 0xffffffff80100000
libs-$(CONFIG_SIBYTE_SENTOSA)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_SENTOSA)	:= 0xffffffff80100000
libs-$(CONFIG_SIBYTE_SWARM)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_SWARM)	:= 0xffffffff80100000
libs-$(CONFIG_SIBYTE_BIGSUR)	+= arch/mips/sibyte/swarm/
load-$(CONFIG_SIBYTE_BIGSUR)	:= 0xffffffff80100000

#
# Broadcom BCM47XX boards
#
core-$(CONFIG_BCM47XX)		+= arch/mips/bcm47xx/
cflags-$(CONFIG_BCM47XX)	+= -Iinclude/asm-mips/mach-bcm47xx
load-$(CONFIG_BCM47XX)		:= 0xffffffff80001000

#
# SNI RM
#
core-$(CONFIG_SNI_RM)		+= arch/mips/sni/
cflags-$(CONFIG_SNI_RM)		+= -Iinclude/asm-mips/mach-rm
load-$(CONFIG_SNI_RM)		+= 0xffffffff80600000
all-$(CONFIG_SNI_RM)		:= vmlinux.ecoff

#
# Toshiba JMR-TX3927 board
#
core-$(CONFIG_TOSHIBA_JMR3927)	+= arch/mips/jmr3927/rbhma3100/ \
				   arch/mips/jmr3927/common/
cflags-$(CONFIG_TOSHIBA_JMR3927) += -Iinclude/asm-mips/mach-jmr3927
load-$(CONFIG_TOSHIBA_JMR3927)	+= 0xffffffff80050000

#
# Toshiba RBTX4927 board or
# Toshiba RBTX4937 board
#
core-$(CONFIG_TOSHIBA_RBTX4927)	+= arch/mips/tx4927/toshiba_rbtx4927/
core-$(CONFIG_TOSHIBA_RBTX4927)	+= arch/mips/tx4927/common/
cflags-$(CONFIG_TOSHIBA_RBTX4927) += -Iinclude/asm-mips/mach-tx49xx
load-$(CONFIG_TOSHIBA_RBTX4927)	+= 0xffffffff80020000

#
# Toshiba RBTX4938 board
#
core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/tx4938/toshiba_rbtx4938/
core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/tx4938/common/
cflags-$(CONFIG_TOSHIBA_RBTX4938) += -Iinclude/asm-mips/mach-tx49xx
load-$(CONFIG_TOSHIBA_RBTX4938) += 0xffffffff80100000

cflags-y			+= -Iinclude/asm-mips/mach-generic
drivers-$(CONFIG_PCI)		+= arch/mips/pci/

ifdef CONFIG_32BIT
ifdef CONFIG_CPU_LITTLE_ENDIAN
JIFFIES			= jiffies_64
else
JIFFIES			= jiffies_64 + 4
endif
else
JIFFIES			= jiffies_64
endif

#
# Automatically detect the build format. By default we choose
# the elf format according to the load address.
# We can always force a build with a 64-bits symbol format by
# passing 'KBUILD_SYM32=no' option to the make's command line.
#
ifdef CONFIG_64BIT
  ifndef KBUILD_SYM32
    ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
      KBUILD_SYM32 = y
    endif
  endif

  ifeq ($(KBUILD_SYM32), y)
    ifeq ($(call cc-option-yn,-msym32), y)
      cflags-y += -msym32 -DKBUILD_64BIT_SYM32
    endif
  endif
endif

KBUILD_AFLAGS	+= $(cflags-y)
KBUILD_CFLAGS	+= $(cflags-y) \
			-D"VMLINUX_LOAD_ADDRESS=$(load-y)"

LDFLAGS			+= -m $(ld-emul)

ifdef CONFIG_MIPS
CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \
	egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \
	sed -e 's/^\#define /-D/' -e "s/ /='/" -e "s/$$/'/")
ifdef CONFIG_64BIT
CHECKFLAGS		+= -m64
endif
endif

OBJCOPYFLAGS		+= --remove-section=.reginfo

#
# Choosing incompatible machines durings configuration will result in
# error messages during linking.  Select a default linkscript if
# none has been choosen above.
#

CPPFLAGS_vmlinux.lds := \
	$(KBUILD_CFLAGS) \
	-D"LOADADDR=$(load-y)" \
	-D"JIFFIES=$(JIFFIES)" \
	-D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)"

head-y := arch/mips/kernel/head.o arch/mips/kernel/init_task.o

libs-y			+= arch/mips/lib/

core-y			+= arch/mips/kernel/ arch/mips/mm/ arch/mips/math-emu/

drivers-$(CONFIG_OPROFILE)	+= arch/mips/oprofile/

ifdef CONFIG_LASAT
rom.bin rom.sw: vmlinux
	$(Q)$(MAKE) $(build)=arch/mips/lasat/image $@
endif

#
# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
# convert to ECOFF using elf2ecoff.
#
vmlinux.32: vmlinux
	$(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@

#
# The 64-bit ELF tools are pretty broken so at this time we generate 64-bit
# ELF files from 32-bit files by conversion.
#
vmlinux.64: vmlinux
	$(OBJCOPY) -O $(64bit-bfd) $(OBJCOPYFLAGS) $< $@

makeboot =$(Q)$(MAKE) $(build)=arch/mips/boot VMLINUX=$(vmlinux-32) $(1)

all:	$(all-y)

vmlinux.bin: $(vmlinux-32)
	+@$(call makeboot,$@)

vmlinux.ecoff: $(vmlinux-32)
	+@$(call makeboot,$@)

vmlinux.srec: $(vmlinux-32)
	+@$(call makeboot,$@)

CLEAN_FILES += vmlinux.ecoff \
	       vmlinux.srec

archprepare:
ifdef CONFIG_MIPS32_N32
	@echo '  Checking missing-syscalls for N32'
	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=n32"
endif
ifdef CONFIG_MIPS32_O32
	@echo '  Checking missing-syscalls for O32'
	$(Q)$(MAKE) $(build)=. missing-syscalls EXTRA_CFLAGS="-mabi=32"
endif

archclean:
	@$(MAKE) $(clean)=arch/mips/boot
	@$(MAKE) $(clean)=arch/mips/lasat

define archhelp
	echo '  vmlinux.ecoff        - ECOFF boot image'
	echo '  vmlinux.bin          - Raw binary boot image'
	echo '  vmlinux.srec         - SREC boot image'
	echo
	echo '  These will be default as apropriate for a configured platform.'
endef

CLEAN_FILES += vmlinux.32 \
	       vmlinux.64 \
	       vmlinux.ecoff