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EXTRA_IMAGEDEPENDS += "qemu-native qemu-helper-native"
def qemu_default_dtb(d):
if d.getVar("IMAGE_BOOT_FILES", True):
dtbs = d.getVar("IMAGE_BOOT_FILES", True).split(" ")
# IMAGE_BOOT_FILES has extra renaming info in the format '<source>;<target>'
dtbs = [f.split(";")[0] for f in dtbs]
dtbs = [f for f in dtbs if f.endswith(".dtb")]
if len(dtbs) != 0:
return dtbs[0]
if d.getVar("KERNEL_DEVICETREE", True):
dtbs = d.getVar("KERNEL_DEVICETREE", True).split(" ")
dtbs = [os.path.basename(d) for d in dtbs]
if len(dtbs) != 0:
return d.getVar("KERNEL_IMAGETYPE", True) + "-" + dtbs[0]
return ""
def qemu_default_serial(d):
if d.getVar("SERIAL_CONSOLE", True):
speed, console = d.getVar("SERIAL_CONSOLE", True).split(" ", 1)
# zynqmp uses earlycon and stdout (in dtb)
if "zynqmp" in d.getVar("MACHINEOVERRIDES", True).split(":"):
return ""
return "console=%s,%s earlyprintk" % (console, speed)
return ""
def qemu_target_binary(d):
ta = d.getVar("TARGET_ARCH", True)
if ta == "microblazeeb":
ta = "microblaze"
elif ta == "arm":
ta = "aarch64"
if qemuboot_xilinx_enabled(d):
return "qemu-xilinx/qemu-system-%s" % ta
return "qemu-system-%s" % ta
def qemuboot_xilinx_enabled(d):
if bb.utils.contains("MACHINE_FEATURES", "qemu-system-xilinx", True, False, d):
if d.getVar("XILINX_QEMUBOOT", True) == "1":
return True
return False
# For runqemu, default setup across all machines in meta-xilinx
IMAGE_CLASSES += "qemuboot"
QB_SYSTEM_NAME ?= "${@qemu_target_binary(d)}"
QB_DEFAULT_FSTYPE ?= "cpio"
XILINX_QEMUBOOT[doc] = "Set this variable to '1' to enable the generation of qemuboot.conf which uses the Xilinx QEMU."
XILINX_QEMUBOOT ??= ""
# Dependencies for native Xilinx QEMU
XILINX_QEMU_DEPENDS ?= "qemu-xilinx-native"
# If the machine supports the Xilinx QEMU, add the dependencies
EXTRA_IMAGEDEPENDS += "${@bb.utils.contains('MACHINE_FEATURES', 'qemu-system-xilinx', '${XILINX_QEMU_DEPENDS}', '', d)}"
# Add an override for when booting with the Xilinx QEMU
MACHINEOVERRIDES .= "${@':qemuboot-xilinx' if qemuboot_xilinx_enabled(d) else ''}"
# This is ignored if using Xilinx's QEMU fork
QB_DTB ?= "${@qemu_default_dtb(d)}"
# ZynqMP machines need special "-hw-dtb" device trees for the Xilinx QEMU
XILINX_QEMU_DEPENDS_append_zynqmp = " qemu-devicetrees"
QB_DEFAULT_KERNEL_qemuboot-xilinx = "none"
QB_KERNEL_CMDLINE_APPEND ?= "${@qemu_default_serial(d)}"
# Default machine targets for Xilinx QEMU (FDT Generic)
QB_MACHINE_qemuboot-xilinx_aarch64 = "-machine arm-generic-fdt"
QB_MACHINE_qemuboot-xilinx_arm = "-machine arm-generic-fdt-plnx"
QB_MACHINE_qemuboot-xilinx_microblaze = "-machine microblaze-generic-fdt"
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