# virsh dumpxml fedora34x86_64 | xmllint -xpath '/domain/devices/console[2]' -
<console type="pty">
<target type="isa-debug" port="1"/>
<address type="isa" iobase="0x402"/>
</console>
# virsh start --paused fedora34x86_64
# virsh console --devname console1 fedora34x86_64
Now in another terminal
# virsh resume fedora34x86_64
And the 'virsh console' will now show the very first messages
at startup....
SecCoreStartupWithStack(0xFFFCC000, 0x820000)
SEC: Normal boot
DecompressMemFvs: OutputBuffer@A00000+0xCE0090 ScratchBuffer@1700000+0x10000 PcdOvmfDecompressionScratchEnd=0x1710000
Register PPI Notify: DCD0BE23-9586-40F4-B643-06522CED4EDE
Install PPI: 8C8CE578-8A3D-4F1C-9935-896185C32DD3
Install PPI: 5473C07A-3DCB-4DCA-BD6F-1E9689E7349A
The 0th FV start address is 0x00000820000, size is 0x000E0000, handle is 0x820000
Register PPI Notify: 49EDB1C1-BF21-4761-BB12-EB0031AABB39
Register PPI Notify: EA7CA24B-DED5-4DAD-A389-BF827E8F9B38
Install PPI: B9E0ABFE-5979-4914-977F-6DEE78C278A6
Install PPI: DBE23AA9-A345-4B97-85B6-B226F1617389
DiscoverPeimsAndOrderWithApriori(): Found 0xD PEI FFS files in the 0th FV
...snip...
Daniel P. Berrangé (2):
conf: support firmware ISA debug console
qemu: wire up support for isa-debugcon
docs/formatdomain.rst | 3 +-
docs/schemas/domaincommon.rng | 1 +
src/conf/domain_conf.c | 23 ++++++++---
src/conf/domain_conf.h | 1 +
src/qemu/qemu_command.c | 35 +++++++++++++++--
src/qemu/qemu_domain_address.c | 25 ++++++++++++
src/qemu/qemu_validate.c | 18 ++++++++-
.../debugcon.x86_64-latest.args | 39 +++++++++++++++++++
tests/qemuxml2argvdata/debugcon.xml | 27 +++++++++++++
tests/qemuxml2argvtest.c | 2 +
10 files changed, 162 insertions(+), 12 deletions(-)
create mode 100644 tests/qemuxml2argvdata/debugcon.x86_64-latest.args
create mode 100644 tests/qemuxml2argvdata/debugcon.xml
--
2.33.1
