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inherit xilinx-utils
# Appends the '<layer>/conf/machine/boards' path to FILESEXTRAPATHS for all
# layers (using the ${BBPATH})
FILESEXTRAPATHS_append := "${@get_additional_bbpath_filespath('conf/machine/boards', d)}"
# Append the xparameters file to the SRC_URI if set
SRC_URI_append += " ${@paths_affix(d.getVar("MACHINE_XPARAMETERS", True) or '', prefix = 'file://')}"
# Full path to the xparameters.h file
UBOOT_XPARAMETERS ?= "${@expand_workdir_paths("MACHINE_XPARAMETERS", d)}"
# Install the MicroBlaze System configuration into the board configuration,
# and generate a u-boot specific config.mk
python do_configmk_generate () {
import re, sys, os, shutil
machine_xparameters = d.getVar("UBOOT_XPARAMETERS", True)
if d.getVar("SOC_FAMILY") == "microblaze" and machine_xparameters and os.path.exists(machine_xparameters):
boardpath = os.path.join("board", "xilinx", "microblaze-generic")
configmk = os.path.join(d.getVar("S", True), boardpath, "config.mk")
xparameters = os.path.join(d.getVar("S", True), boardpath, "xparameters.h")
shutil.copyfile(machine_xparameters, xparameters)
# Search the xparameters.h file for the RAM base addr and size.
ram = None
with open(machine_xparameters, "r") as f:
filedata = f.read()
ramstart = re.search("XILINX_RAM_START.*?(0x.*)", filedata)
ramsize = re.search("XILINX_RAM_SIZE.*?(0x.*)", filedata)
if ramstart and ramsize:
ram = (int(ramstart.group(1), 16), int(ramsize.group(1), 16))
# build up the config.mk file from known info
with open(configmk, "wb") as f:
f.write("# This file is generated by the meta-xilinx layers.\n")
f.write("\n")
for i in d.getVar("TUNE_CCARGS", True).split():
f.write("PLATFORM_CCPFLAGS += %s\n" % i)
f.write("\n")
if ram != None:
base_offset = ram[0] + ram[1] - 0x400000
f.write("TEXT_BASE = 0x%x\n" % base_offset)
f.write("CONFIG_SYS_TEXT_BASE = 0x%x\n" % base_offset)
}
addtask configmk_generate before do_configure after do_unpack
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