motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-04 00:03:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/loongarch/virt: add system_powerdown hmp command support

Browse source 
For loongarch virt machine, add powerdown notification callback
and send ACPI_POWER_DOWN_STATUS event by acpi ged. Also add
acpi dsdt table for ACPI_POWER_BUTTON_DEVICE device in this
patch.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20230303010548.295580-1-gaosong@loongson.cn>
This commit is contained in:
Song Gao 2023-01-10 11:29:16 +08:00
parent c77432d0ef
commit 0d588c4f99
No known key found for this signature in database
GPG key ID: 40A2FFF239263EDF
3 changed files with 14 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

12
hw/loongarch/virt.c
View file

@ -316,6 +316,14 @@ static void virt_machine_done(Notifier *notifier, void *data)
loongarch_acpi_setup(lams);
}
static void virt_powerdown_req(Notifier *notifier, void *opaque)
{
LoongArchMachineState *s = container_of(notifier,
LoongArchMachineState, powerdown_notifier);
acpi_send_event(s->acpi_ged, ACPI_POWER_DOWN_STATUS);
}
struct memmap_entry {
uint64_t address;
uint64_t length;
@ -859,6 +867,10 @@ static void loongarch_init(MachineState *machine)
VIRT_PLATFORM_BUS_IRQ);
lams->machine_done.notify = virt_machine_done;
qemu_add_machine_init_done_notifier(&lams->machine_done);
/* connect powerdown request */
lams->powerdown_notifier.notify = virt_powerdown_req;
qemu_register_powerdown_notifier(&lams->powerdown_notifier);
fdt_add_pcie_node(lams);
/*
* Since lowmem region starts from 0 and Linux kernel legacy start address