Although QEMU allows ACPI with UEFI firmware via the '-bios' option on
aarch64, libvirt rejected such configurations through its validation.

Therefore, the conditional statement was changed to allow the following
settings:

  <os>
    <type arch='aarch64' machine='virt-4.0'>hvm</type>
    <loader type="rom">/usr/share/qemu-efi-aarch64/QEMU_EFI.fd</loader>
  </os>
  <features>
    <acpi/>
  </features>

Specifying <os firmware='bios'> still results in error, as before.

Signed-off-by: Kazuhiro Abe <[email protected]>
---
 src/qemu/qemu_validate.c                      |  2 +-
 ...auto-bios-acpi-aarch64.aarch64-latest.err} |  0
 .../firmware-auto-bios-acpi-aarch64.xml       | 17 ++++++++++
 ...ual-noefi-acpi-aarch64.aarch64-latest.args | 31 +++++++++++++++++++
 ...nual-noefi-acpi-aarch64.aarch64-latest.xml | 29 +++++++++++++++++
 tests/qemuxmlconftest.c                       |  3 +-
 6 files changed, 80 insertions(+), 2 deletions(-)
 rename 
tests/qemuxmlconfdata/{firmware-manual-noefi-acpi-aarch64.aarch64-latest.err => 
firmware-auto-bios-acpi-aarch64.aarch64-latest.err} (100%)
 create mode 100644 tests/qemuxmlconfdata/firmware-auto-bios-acpi-aarch64.xml
 create mode 100644 
tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.args
 create mode 100644 
tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.xml

diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 3b0f2b50a5..263aaa25a2 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -1341,7 +1341,7 @@ qemuValidateDomainDef(const virDomainDef *def,
     /* On aarch64, ACPI requires UEFI */
     if (def->features[VIR_DOMAIN_FEATURE_ACPI] == VIR_TRISTATE_SWITCH_ON &&
         def->os.arch == VIR_ARCH_AARCH64 &&
-        (def->os.firmware != VIR_DOMAIN_OS_DEF_FIRMWARE_EFI &&
+        (def->os.firmware == VIR_DOMAIN_OS_DEF_FIRMWARE_BIOS &&
          !virDomainDefHasOldStyleUEFI(def))) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                        _("ACPI requires UEFI on this architecture"));
diff --git 
a/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.err 
b/tests/qemuxmlconfdata/firmware-auto-bios-acpi-aarch64.aarch64-latest.err
similarity index 100%
rename from 
tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.err
rename to 
tests/qemuxmlconfdata/firmware-auto-bios-acpi-aarch64.aarch64-latest.err
diff --git a/tests/qemuxmlconfdata/firmware-auto-bios-acpi-aarch64.xml 
b/tests/qemuxmlconfdata/firmware-auto-bios-acpi-aarch64.xml
new file mode 100644
index 0000000000..37c4efdb80
--- /dev/null
+++ b/tests/qemuxmlconfdata/firmware-auto-bios-acpi-aarch64.xml
@@ -0,0 +1,17 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>63840878-0deb-4095-97e6-fc444d9bc9fa</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os firmware='bios'>
+    <type arch='aarch64' machine='virt-4.0'>hvm</type>
+  </os>
+  <features>
+    <acpi/>
+  </features>
+  <devices>
+    <emulator>/usr/bin/qemu-system-aarch64</emulator>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git 
a/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.args 
b/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.args
new file mode 100644
index 0000000000..fe79a7e746
--- /dev/null
+++ 
b/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.args
@@ -0,0 +1,31 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-guest \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-guest/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-guest/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
+/usr/bin/qemu-system-aarch64 \
+-name guest=guest,debug-threads=on \
+-S \
+-object 
'{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}'
 \
+-machine 
virt-4.0,usb=off,gic-version=2,dump-guest-core=off,memory-backend=mach-virt.ram,acpi=on
 \
+-accel tcg \
+-cpu cortex-a15 \
+-m size=1048576k \
+-object 
'{"qom-type":"memory-backend-ram","id":"mach-virt.ram","size":1073741824}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 63840878-0deb-4095-97e6-fc444d9bc9fa \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-sandbox 
on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git 
a/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.xml 
b/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.xml
new file mode 100644
index 0000000000..b713a65714
--- /dev/null
+++ 
b/tests/qemuxmlconfdata/firmware-manual-noefi-acpi-aarch64.aarch64-latest.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>63840878-0deb-4095-97e6-fc444d9bc9fa</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='aarch64' machine='virt-4.0'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <gic version='2'/>
+  </features>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>cortex-a15</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-aarch64</emulator>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pcie-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconftest.c b/tests/qemuxmlconftest.c
index dd55c1ef28..122e644caf 100644
--- a/tests/qemuxmlconftest.c
+++ b/tests/qemuxmlconftest.c
@@ -1554,10 +1554,11 @@ mymain(void)
     DO_TEST_CAPS_LATEST("firmware-manual-efi-acpi-q35");
     DO_TEST_CAPS_ARCH_LATEST("firmware-manual-efi-noacpi-aarch64", "aarch64");
     DO_TEST_CAPS_LATEST_PARSE_ERROR("firmware-manual-efi-noacpi-q35");
-    DO_TEST_CAPS_ARCH_LATEST_PARSE_ERROR("firmware-manual-noefi-acpi-aarch64", 
"aarch64");
+    DO_TEST_CAPS_ARCH_LATEST("firmware-manual-noefi-acpi-aarch64", "aarch64");
     DO_TEST_CAPS_LATEST("firmware-manual-noefi-acpi-q35");
     DO_TEST_CAPS_ARCH_LATEST("firmware-manual-noefi-noacpi-aarch64", 
"aarch64");
     DO_TEST_CAPS_LATEST("firmware-manual-noefi-noacpi-q35");
+    DO_TEST_CAPS_ARCH_LATEST_PARSE_ERROR("firmware-auto-bios-acpi-aarch64", 
"aarch64");
 
     /* Ensure that legacy firmware paths keep working */
     DO_TEST_CAPS_LATEST("firmware-manual-efi-secboot-legacy-paths");
-- 
2.43.0

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