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-rw-r--r--hw/acpi/piix4.c44
-rw-r--r--hw/pci-host/piix.c8
-rw-r--r--include/hw/acpi/piix4.h8
-rw-r--r--include/hw/i386/pc.h1
4 files changed, 57 insertions, 4 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 4b8c1dadc3..3bcd890567 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -29,6 +29,7 @@
#include "exec/ioport.h"
#include "hw/nvram/fw_cfg.h"
#include "exec/address-spaces.h"
+#include "hw/acpi/piix4.h"
//#define DEBUG
@@ -69,6 +70,8 @@ typedef struct PIIX4PMState {
/*< public >*/
MemoryRegion io;
+ uint32_t io_base;
+
MemoryRegion io_gpe;
MemoryRegion io_pci;
MemoryRegion io_cpu;
@@ -152,14 +155,13 @@ static void apm_ctrl_changed(uint32_t val, void *arg)
static void pm_io_space_update(PIIX4PMState *s)
{
PCIDevice *d = PCI_DEVICE(s);
- uint32_t pm_io_base;
- pm_io_base = le32_to_cpu(*(uint32_t *)(d->config + 0x40));
- pm_io_base &= 0xffc0;
+ s->io_base = le32_to_cpu(*(uint32_t *)(d->config + 0x40));
+ s->io_base &= 0xffc0;
memory_region_transaction_begin();
memory_region_set_enabled(&s->io, d->config[0x80] & 1);
- memory_region_set_address(&s->io, pm_io_base);
+ memory_region_set_address(&s->io, s->io_base);
memory_region_transaction_commit();
}
@@ -407,6 +409,28 @@ static void piix4_pm_machine_ready(Notifier *n, void *opaque)
(memory_region_present(io_as, 0x2f8) ? 0x90 : 0);
}
+static void piix4_pm_add_propeties(PIIX4PMState *s)
+{
+ static const uint8_t acpi_enable_cmd = ACPI_ENABLE;
+ static const uint8_t acpi_disable_cmd = ACPI_DISABLE;
+ static const uint32_t gpe0_blk = GPE_BASE;
+ static const uint32_t gpe0_blk_len = GPE_LEN;
+ static const uint16_t sci_int = 9;
+
+ object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_ENABLE_CMD,
+ &acpi_enable_cmd, NULL);
+ object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_DISABLE_CMD,
+ &acpi_disable_cmd, NULL);
+ object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK,
+ &gpe0_blk, NULL);
+ object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK_LEN,
+ &gpe0_blk_len, NULL);
+ object_property_add_uint16_ptr(OBJECT(s), ACPI_PM_PROP_SCI_INT,
+ &sci_int, NULL);
+ object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_PM_IO_BASE,
+ &s->io_base, NULL);
+}
+
static int piix4_pm_initfn(PCIDevice *dev)
{
PIIX4PMState *s = PIIX4_PM(dev);
@@ -456,9 +480,21 @@ static int piix4_pm_initfn(PCIDevice *dev)
piix4_acpi_system_hot_add_init(pci_address_space_io(dev), dev->bus, s);
+ piix4_pm_add_propeties(s);
return 0;
}
+Object *piix4_pm_find(void)
+{
+ bool ambig;
+ Object *o = object_resolve_path_type("", TYPE_PIIX4_PM, &ambig);
+
+ if (ambig || !o) {
+ return NULL;
+ }
+ return o;
+}
+
i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
qemu_irq sci_irq, qemu_irq smi_irq,
int kvm_enabled, FWCfgState *fw_cfg)
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c
index c041149320..bad3953fb5 100644
--- a/hw/pci-host/piix.c
+++ b/hw/pci-host/piix.c
@@ -416,6 +416,14 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state,
return b;
}
+PCIBus *find_i440fx(void)
+{
+ PCIHostState *s = OBJECT_CHECK(PCIHostState,
+ object_resolve_path("/machine/i440fx", NULL),
+ TYPE_PCI_HOST_BRIDGE);
+ return s ? s->bus : NULL;
+}
+
/* PIIX3 PCI to ISA bridge */
static void piix3_set_irq_pic(PIIX3State *piix3, int pic_irq)
{
diff --git a/include/hw/acpi/piix4.h b/include/hw/acpi/piix4.h
new file mode 100644
index 0000000000..65e6fd7aa0
--- /dev/null
+++ b/include/hw/acpi/piix4.h
@@ -0,0 +1,8 @@
+#ifndef HW_ACPI_PIIX4_H
+#define HW_ACPI_PIIX4_H
+
+#include "qemu/typedefs.h"
+
+Object *piix4_pm_find(void);
+
+#endif
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 5aefc5ba2c..95857bee81 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -192,6 +192,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
MemoryRegion *pci_memory,
MemoryRegion *ram_memory);
+PCIBus *find_i440fx(void);
/* piix4.c */
extern PCIDevice *piix4_dev;
int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);