6be8cf56bc
If SMM is not supported, ACPI fixed hardware doesn't support legacy-mode. ACPI-only platform. Where SCI_EN in PM1_CNT register is always set. The bit tells OS legacy mode(SCI_EN cleared) or ACPI mode(SCI_EN set). With the next patch (setting fadt.smi_cmd = 0 when smm isn't enabled), guest Linux tries to switch to ACPI mode, finds smi_cmd = 0, and then fails to initialize acpi subsystem. This patch proactively fixes it. This patch changes guest ABI. To keep compatibility, use "smm-compat" introduced by earlier patch. If the property is true, disable new behavior. ACPI spec 4.8.10.1 PM1 Event Grouping PM1 Eanble Registers > For ACPI-only platforms (where SCI_EN is always set) Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com> Message-Id: <500f62081626997e46f96377393d3662211763a8.1613615732.git.isaku.yamahata@intel.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> |
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| .. | ||
| bus.c | ||
| clock-vmstate.c | ||
| clock.c | ||
| cpu.c | ||
| fw-path-provider.c | ||
| generic-loader.c | ||
| hotplug.c | ||
| irq.c | ||
| Kconfig | ||
| loader-fit.c | ||
| loader.c | ||
| machine-hmp-cmds.c | ||
| machine-qmp-cmds.c | ||
| machine.c | ||
| meson.build | ||
| nmi.c | ||
| null-machine.c | ||
| numa.c | ||
| or-irq.c | ||
| platform-bus.c | ||
| ptimer.c | ||
| qdev-clock.c | ||
| qdev-fw.c | ||
| qdev-prop-internal.h | ||
| qdev-properties-system.c | ||
| qdev-properties.c | ||
| qdev.c | ||
| register.c | ||
| reset.c | ||
| resettable.c | ||
| split-irq.c | ||
| stream.c | ||
| sysbus.c | ||
| trace-events | ||
| trace.h | ||
| uboot_image.h | ||
| vm-change-state-handler.c | ||
| vmstate-if.c | ||