from imp import new_module
from os.path import basename


def build(ctx):
	source = []

	# Nothing below this will work on the host.
	if ctx.variant == "host":
		return

	# version.c
	source_version = ["src/support/version.c"]
	ctx.bsp.source(
		source_version,
		alias="version",
		features="src_include",
		cflags=[
			"-DRTEMS_VERSION=\"%s\"" % ctx.env.RTEMS_VERSION
		]
	)


	source_networking = [
		"src/libchip/network/cs8900.c",
		"src/libchip/network/dec21140.c",
		"src/libchip/network/elnk.c",
		"src/libchip/network/greth.c",
		"src/libchip/network/i82586.c",
		"src/libchip/network/if_dc.c",
		"src/libchip/network/if_fxp.c",
		"src/libchip/network/open_eth.c",
		"src/libchip/network/smc91111.c",
		"src/libchip/network/sonic.c"
	]
	ctx.bsp.networking(
		source_networking,
		features="src_include src_include_networking src_include_libchip",
		defines=["__INSIDE_RTEMS_BSD_TCPIP_STACK__", "_KERNEL", "__BSD_VISIBLE", "__RTEMS_HAVE_DECL_SIGALTSTACK__"]
	)


	source_mp = [
		"src/libchip/shmdr/addlq.c",
		"src/libchip/shmdr/cnvpkt.c",
		"src/libchip/shmdr/getlq.c",
		"src/libchip/shmdr/dump.c",
		"src/libchip/shmdr/fatal.c",
		"src/libchip/shmdr/getpkt.c",
		"src/libchip/shmdr/init.c",
		"src/libchip/shmdr/initlq.c",
		"src/libchip/shmdr/intr.c",
		"src/libchip/shmdr/mpisr.c",
		"src/libchip/shmdr/poll.c",
		"src/libchip/shmdr/receive.c",
		"src/libchip/shmdr/retpkt.c",
		"src/libchip/shmdr/send.c"
	]
	ctx.bsp.mp(
		source_mp,
		features="src_include",
		includes = ["%s/c/src/libchip/shmdr" % ctx.srcnode.abspath()]
	)


	source_ata = [
		"src/libchip/ide/ata.c",
		"src/libchip/ide/ata_util.c",
	]
	ctx.bsp.source(
		source_ata,
		features="src_include src_include_libchip"
	)


	source += [
		"src/libchip/display/disp_hcms29xx.c",
		"src/libchip/display/font_hcms29xx.c",
		"src/libchip/flash/am29lv160.c",
		"src/libchip/i2c/i2c-2b-eeprom.c",
		"src/libchip/i2c/i2c-ds1621.c",
		"src/libchip/i2c/spi-flash-m25p40.c",
		"src/libchip/i2c/spi-fram-fm25l256.c",
		"src/libchip/i2c/spi-memdrv.c",
		"src/libchip/i2c/spi-sd-card.c",
		"src/libchip/ide/ide_controller.c",
		"src/libchip/rtc/ds1375.c",
		"src/libchip/rtc/icm7170.c",
		"src/libchip/rtc/icm7170_reg.c",
		"src/libchip/rtc/icm7170_reg2.c",
		"src/libchip/rtc/icm7170_reg4.c",
		"src/libchip/rtc/icm7170_reg8.c",
		"src/libchip/rtc/m48t08.c",
		"src/libchip/rtc/m48t08_reg.c",
		"src/libchip/rtc/m48t08_reg2.c",
		"src/libchip/rtc/m48t08_reg4.c",
		"src/libchip/rtc/m48t08_reg8.c",
		"src/libchip/rtc/mc146818a.c",
		"src/libchip/rtc/mc146818a_ioreg.c",
		"src/libchip/rtc/rtcprobe.c",
		"src/libchip/serial/mc68681.c",
		"src/libchip/serial/mc68681_baud.c",
		"src/libchip/serial/mc68681_reg.c",
		"src/libchip/serial/mc68681_reg2.c",
		"src/libchip/serial/mc68681_reg4.c",
		"src/libchip/serial/mc68681_reg8.c",
		"src/libchip/serial/ns16550.c",
		"src/libchip/serial/serprobe.c",
		"src/libchip/serial/z85c30.c",
		"src/libchip/serial/z85c30_reg.c"
	]
	ctx.bsp.source(
		source,
		features="src_include",
		includes	= ["%s/include/libchip" % ctx.srcnode.abspath()]
	)


	# Open the correct sub-wscript and execute build() as waf does not support
	# loading arbitrary wscripts.
	path = "%s/c/" % ctx.srcnode.abspath()
	with open("%s/wscript_%s" % (path, ctx.env.RTEMS_ARCH), "r") as fp:
		module = new_module("RTEMS_MODULE")
		exec(compile(fp.read(), "%swscript_%s" % (path, ctx.env.RTEMS_ARCH), "exec"), module.__dict__)
		module.build(ctx)

	ctx(
		target		= "rtemsbsp",
		use			= [
			"auto_libbsp_objects"
		],
		includes	= ["%s/include/libchip" % ctx.srcnode.abspath()],
		features	= "c cstlib",
		install_path = ctx.env.LIBDIR
	)

	# First file is always installed as "linkcmds"
	# XXX: This needs to be removed eventually by fixing the filenames.
	if ctx.env.LINKCMDS:
		ctx.copy_or_subst(
			ctx.env.LINKCMDS[0],
			"linkcmds",
			"linkcmds_linkcmds"
		)

	for file in ctx.env.LINKCMDS[1:]:
		base = basename(file)
		ctx.copy_or_subst(
			file,
			base,
			"linkcmds_base"
		)