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[Qemu-arm] [PATCH V7 5/6] hw/arm/virt: add pvpanic device in virt acpi t
From: |
Peng Hao |
Subject: |
[Qemu-arm] [PATCH V7 5/6] hw/arm/virt: add pvpanic device in virt acpi table |
Date: |
Fri, 16 Nov 2018 18:50:05 +0800 |
add pvpanic device in virt acpi table, so when kenrel command line uses
acpi=force, kernel can get info from acpi table in aarch64.
Signed-off-by: Peng Hao <address@hidden>
---
hw/arm/virt-acpi-build.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 5785fb6..d126cee 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -61,6 +61,21 @@ static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus)
}
}
+static void acpi_dsdt_add_pvpanic(Aml *scope, const MemMapEntry
*pvpanic_memmap)
+{
+ Aml *dev = aml_device("PEVT");
+ aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001")));
+ aml_append(dev, aml_name_decl("_UID", aml_int(0)));
+
+ Aml *crs = aml_resource_template();
+ aml_append(crs, aml_memory32_fixed(pvpanic_memmap->base,
+ pvpanic_memmap->size, AML_READ_WRITE));
+
+ aml_append(dev, aml_name_decl("_CRS", crs));
+
+ aml_append(scope, dev);
+}
+
static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap,
uint32_t uart_irq)
{
@@ -770,6 +785,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
VirtMachineState *vms)
acpi_dsdt_add_cpus(scope, vms->smp_cpus);
acpi_dsdt_add_uart(scope, &memmap[VIRT_UART],
(irqmap[VIRT_UART] + ARM_SPI_BASE));
+ acpi_dsdt_add_pvpanic(scope, &memmap[VIRT_PVPANIC]);
acpi_dsdt_add_flash(scope, &memmap[VIRT_FLASH]);
acpi_dsdt_add_fw_cfg(scope, &memmap[VIRT_FW_CFG]);
acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO],
--
1.8.3.1
- [Qemu-arm] [PATCH V7 2/6] hw/misc/pvpanic: Cosmetic renaming, (continued)