makefile.kernel

Linux下wifi实现

#
# Makefile for the Atheros WLAN driver.
#

obj ?= .
src ?= .
srctree ?= .

include $(srctree)/$(src)/../BuildCaps.inc

HAL=	$(srctree)/$(src)/../hal
WLAN=	$(srctree)/$(src)/../net80211
COMPAT=	$(srctree)/$(src)/../include


# Determine endianess.  Note that it's not indicated for some CPUs at
# all, so this value is only valid for certain processors.
ifeq ($(filter-out arm%,$(ARCH)),)
ENDIAN = le
endif

ifeq ($(filter-out mips%,$(ARCH)),)
ENDIAN = be
endif

ifneq ($(CONFIG_CPU_BIG_ENDIAN)$(CONFIG_BIG_ENDIAN),)
ENDIAN = be
endif

ifneq ($(CONFIG_CPU_LITTLE_ENDIAN)$(CONFIG_LITTLE_ENDIAN),)
ENDIAN = le
endif

# Determine the target (i.e. which HAL to use).
# The default is $(ARCH)-elf
TARGET-$(CONFIG_CPU_32v4) = armv4-$(ENDIAN)-elf
TARGET-$(CONFIG_CPU_MIPS32_R1) = mips1-$(ENDIAN)-elf
TARGET-$(CONFIG_CPU_MIPS32_R2) = mips-$(ENDIAN)-elf
TARGET-$(CONFIG_CPU_R4X00) = mipsisa32-$(ENDIAN)-elf
TARGET-$(CONFIG_CPU_TX49XX) = mipsisa32-$(ENDIAN)-elf
TARGET-$(CONFIG_PPC32) = powerpc-be-elf
TARGET-$(CONFIG_CPU_SH4) = sh4-le-elf
TARGET-$(CONFIG_SPARC32) = sparc-be-elf
TARGET-$(CONFIG_SPARC64) = sparc64-be-elf
TARGET-$(CONFIG_CPU_SA110) = xscale-$(ENDIAN)-elf
TARGET-$(CONFIG_CPU_SA1100) = xscale-$(ENDIAN)-elf
TARGET-$(CONFIG_CPU_XSCALE) = xscale-$(ENDIAN)-elf

TARGET = $(if $(TARGET-y),$(TARGET-y),$(ARCH)-elf)


#
# Select bus-specific code.  Note that this defaults to PCI.
#
ifeq ($(strip $(BUS)),AHB)
BUSNAME=ahb
EXTRA_CFLAGS+= -DATH_AHB
else
BUSNAME=pci
EXTRA_CFLAGS+= -DATH_PCI
endif

INCS = -include $(COMPAT)/compat.h -I$(COMPAT) -I$(HAL) -I$(HAL)/linux \
	-I$(WLAN) -I$(src)/.. -I$(src)

EXTRA_CFLAGS += $(INCS) -DOPT_AH_H=\"$(HAL)/public/$(TARGET).opt_ah.h\"

ifdef LINUX26
obj-$(CONFIG_ATHEROS) += ath_$(BUSNAME).o ath_hal.o
ath_$(BUSNAME)-objs	:= if_ath.o if_ath_$(BUSNAME).o
ath_hal-objs	:= ah_osdep.o $(TARGET).hal.o

hostprogs-y := uudecode
host-progs := $(hostprogs-y)
endif

ifdef LINUX24
obj-$(CONFIG_ATHEROS) := if_ath.o if_ath_$(BUSNAME).o
obj-$(CONFIG_ATHEROS) += ah_osdep.o $(TARGET).hal.o

O_TARGET := ath_$(BUSNAME).o ath_hal.o
include $(TOPDIR)/Rules.make

export-objs	:= if_ath_$(BUSNAME).o ah_osdep.o
list-multi	:= ath_$(BUSNAME).o ath_hal.o

uudecode: uudecode.c
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
endif

$(obj)/$(TARGET).hal.o: $(HAL)/public/$(TARGET).hal.o.uu $(obj)/uudecode
	$(Q)echo "deps_$@ :=" >$(@D)/.$(@F).cmd
	$(Q)$(obj)/uudecode -o $@ $<