makefile

一个2.4.21版本的嵌入式linux内核

#
# Makefile for the linux kernel.
#
# Note! Dependencies are done automagically by 'make dep', which also
# removes any old dependencies. DON'T put your own dependencies here
# unless it's something special (ie not a .c file).

USE_STANDARD_AS_RULE := true

HEAD_OBJ  = head-$(PROCESSOR).o
ENTRY_OBJ = entry-$(PROCESSOR).o

AFLAGS_head-armv.o := -DTEXTADDR=$(TEXTADDR)
AFLAGS_head-armo.o := -DTEXTADDR=$(TEXTADDR)

# This is depreciated.
O_OBJS_arc        = dma-arc.o oldlatches.o
O_OBJS_rpc        = dma-rpc.o
O_OBJS_footbridge = dma-footbridge.o isa.o
O_OBJS_l7200      = fiq.o
O_OBJS_riscstation = fiq.o dma-riscstation.o

pci-ftvpci	  = plx90x0.o
pci-footbridge	  = dec21285.o
pci-shark	  = via82c505.o

# this is here to allow us to eventually move it out to mach-ftvpci
pci-$(CONFIG_ARCH_FTVPCI) += ftv-pci.o


O_TARGET := kernel.o

# Object file lists.

obj-y		:= arch.o compat.o dma.o $(ENTRY_OBJ) entry-common.o irq.o   \
		   process.o ptrace.o semaphore.o setup.o signal.o sys_arm.o \
		   time.o traps.o $(O_OBJS_$(MACHINE))
obj-m		:=
obj-n		:=
obj-		:=

export-objs	:= armksyms.o dma.o ecard.o fiq.o io.o oldlatches.o time.o

no-irq-arch	:= $(CONFIG_ARCH_INTEGRATOR) $(CONFIG_ARCH_CLPS711X) \
		   $(CONFIG_FOOTBRIDGE) $(CONFIG_ARCH_EBSA110) \
		   $(CONFIG_ARCH_SA1100) $(CONFIG_ARCH_CAMELOT) \
		   $(CONFIG_ARCH_MX1ADS) $(CONFIG_ARCH_OMAHA) \
		   $(CONFIG_ARCH_AT91RM9200) $(CONFIG_ARCH_EP93XX)

ifneq ($(findstring y,$(no-irq-arch)),y)
  obj-y		+= irq-arch.o
endif

obj-$(CONFIG_KGDB)		+= kgdb-stub.o kgdb-jmp.o
obj-$(CONFIG_KGDB_SERIAL)	+= kgdb-serial.o
obj-$(CONFIG_KGDB_UDP)		+= kgdb-udp.o

obj-$(CONFIG_ARCH_ACORN) += ecard.o fiq.o time-acorn.o
obj-$(CONFIG_ARCH_CLPS7500) += time-acorn.o
obj-$(CONFIG_ARCH_RISCSTATION) += time-acorn.o
obj-$(CONFIG_ARCH_EDB7312) += fiq.o
obj-$(CONFIG_ARCH_CDB89712) += fiq.o
obj-$(CONFIG_ARCH_EP93XX) += fiq.o
obj-$(CONFIG_DEBUG_LL)	+= debug-$(PROCESSOR).o
obj-$(CONFIG_MODULES)	+= armksyms.o
obj-$(CONFIG_ARTHUR)	+= arthur.o
obj-$(CONFIG_ISA_DMA)	+= dma-isa.o
obj-$(CONFIG_PCI)	+= bios32.o $(pci-$(MACHINE)) $(pci-y)

ifneq ($(MACHINE),ebsa110)
  obj-y		+= io.o
endif

all: kernel.o $(HEAD_OBJ) init_task.o

include $(TOPDIR)/Rules.make

# Spell out some dependencies that `make dep' doesn't spot
entry-armv.o: entry-header.S $(TOPDIR)/include/asm-arm/constants.h
entry-armo.o: entry-header.S $(TOPDIR)/include/asm-arm/constants.h
entry-common.o: entry-header.S calls.S $(TOPDIR)/include/asm-arm/constants.h