summaryrefslogtreecommitdiffstats
path: root/meta/classes/qemuboot.bbclass
diff options
context:
space:
mode:
Diffstat (limited to 'meta/classes/qemuboot.bbclass')
-rw-r--r--meta/classes/qemuboot.bbclass23
1 files changed, 19 insertions, 4 deletions
diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboot.bbclass
index 4b7532b304..95cd1d6c4a 100644
--- a/meta/classes/qemuboot.bbclass
+++ b/meta/classes/qemuboot.bbclass
@@ -19,6 +19,9 @@
# QB_CPU_KVM: the similar to QB_CPU, but used when kvm, e.g., '-cpu kvm64',
# set it when support kvm.
#
+# QB_SMP: amount of CPU cores inside qemu guest, each mapped to a thread on the host,
+# e.g. "-smp 8".
+#
# QB_KERNEL_CMDLINE_APPEND: options to append to kernel's -append
# option, e.g., "console=ttyS0 console=tty"
#
@@ -33,6 +36,8 @@
# in system mode, where system is experiencing entropy starvation
#
# QB_KERNEL_ROOT: kernel's root, e.g., /dev/vda
+# By default "/dev/vda rw" gets passed to the kernel.
+# To mount the rootfs read-only QB_KERNEL_ROOT can be set to e.g. "/dev/vda ro".
#
# QB_NETWORK_DEVICE: network device, e.g., "-device virtio-net-pci,netdev=net0,mac=@MAC@",
# it needs work with QB_TAP_OPT and QB_SLIRP_OPT.
@@ -40,7 +45,7 @@
# a custom one, but that may cause conflicts when multiple qemus are
# running on the same host.
# Note: If more than one interface of type -device virtio-net-device gets added,
-# QB_NETWORK_DEVICE_prepend might be used, since Qemu enumerates the eth*
+# QB_NETWORK_DEVICE:prepend might be used, since Qemu enumerates the eth*
# devices in reverse order to -device arguments.
#
# QB_TAP_OPT: network option for 'tap' mode, e.g.,
@@ -72,11 +77,15 @@
# Can be used to automatically determine the image from the other variables
# but define things link 'bootindex' when booting from EFI or 'readonly' when using squashfs
# without the need to specify a dedicated qemu configuration
+#
+# QB_GRAPHICS: QEMU video card type (e.g. "-vga std")
+#
# Usage:
# IMAGE_CLASSES += "qemuboot"
# See "runqemu help" for more info
QB_MEM ?= "-m 256"
+QB_SMP ?= ""
QB_SERIAL_OPT ?= "-serial mon:stdio -serial null"
QB_DEFAULT_KERNEL ?= "${KERNEL_IMAGETYPE}"
QB_DEFAULT_FSTYPE ?= "ext4"
@@ -86,6 +95,7 @@ QB_NETWORK_DEVICE ?= "-device virtio-net-pci,netdev=net0,mac=@MAC@"
QB_CMDLINE_IP_SLIRP ?= "ip=dhcp"
QB_CMDLINE_IP_TAP ?= "ip=192.168.7.@CLIENT@::192.168.7.@GATEWAY@:255.255.255.0"
QB_ROOTFS_EXTRA_OPT ?= ""
+QB_GRAPHICS ?= ""
# This should be kept align with ROOT_VM
QB_DRIVE_TYPE ?= "/dev/sd"
@@ -99,7 +109,7 @@ def qemuboot_vars(d):
build_vars = ['MACHINE', 'TUNE_ARCH', 'DEPLOY_DIR_IMAGE',
'KERNEL_IMAGETYPE', 'IMAGE_NAME', 'IMAGE_LINK_NAME',
'STAGING_DIR_NATIVE', 'STAGING_BINDIR_NATIVE',
- 'STAGING_DIR_HOST']
+ 'STAGING_DIR_HOST', 'SERIAL_CONSOLES']
return build_vars + [k for k in d.keys() if k.startswith('QB_')]
do_write_qemuboot_conf[vardeps] += "${@' '.join(qemuboot_vars(d))}"
@@ -108,12 +118,17 @@ python do_write_qemuboot_conf() {
import configparser
qemuboot = "%s/%s.qemuboot.conf" % (d.getVar('IMGDEPLOYDIR'), d.getVar('IMAGE_NAME'))
- qemuboot_link = "%s/%s.qemuboot.conf" % (d.getVar('IMGDEPLOYDIR'), d.getVar('IMAGE_LINK_NAME'))
+ if d.getVar('IMAGE_LINK_NAME'):
+ qemuboot_link = "%s/%s.qemuboot.conf" % (d.getVar('IMGDEPLOYDIR'), d.getVar('IMAGE_LINK_NAME'))
+ else:
+ qemuboot_link = ""
finalpath = d.getVar("DEPLOY_DIR_IMAGE")
topdir = d.getVar('TOPDIR')
cf = configparser.ConfigParser()
cf.add_section('config_bsp')
for k in sorted(qemuboot_vars(d)):
+ if ":" in k:
+ continue
# qemu-helper-native sysroot is not removed by rm_work and
# contains all tools required by runqemu
if k == 'STAGING_BINDIR_NATIVE':
@@ -141,7 +156,7 @@ python do_write_qemuboot_conf() {
with open(qemuboot, 'w') as f:
cf.write(f)
- if qemuboot_link != qemuboot:
+ if qemuboot_link and qemuboot_link != qemuboot:
if os.path.lexists(qemuboot_link):
os.remove(qemuboot_link)
os.symlink(os.path.basename(qemuboot), qemuboot_link)