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Diffstat (limited to 'hw/acpi_piix4.c')
-rw-r--r--hw/acpi_piix4.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index c30a050d2..44eb8aee5 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -23,6 +23,7 @@
#include "acpi.h"
#include "sysemu.h"
#include "range.h"
+#include "ioport.h"
//#define DEBUG
@@ -69,6 +70,7 @@ typedef struct PIIX4PMState {
qemu_irq irq;
qemu_irq smi_irq;
int kvm_enabled;
+ Notifier machine_ready;
/* for pci hotplug */
ACPIGPE gpe;
@@ -317,6 +319,19 @@ static void piix4_powerdown(void *opaque, int irq, int power_failing)
acpi_pm1_evt_power_down(pm1a, tmr);
}
+static void piix4_pm_machine_ready(Notifier *n, void *opaque)
+{
+ PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready);
+ uint8_t *pci_conf;
+
+ pci_conf = s->dev.config;
+ pci_conf[0x5f] = (isa_is_ioport_assigned(0x378) ? 0x80 : 0) | 0x10;
+ pci_conf[0x63] = 0x60;
+ pci_conf[0x67] = (isa_is_ioport_assigned(0x3f8) ? 0x08 : 0) |
+ (isa_is_ioport_assigned(0x2f8) ? 0x90 : 0);
+
+}
+
static PIIX4PMState *global_piix4_pm_state; /* cpu hotadd */
static int piix4_pm_initfn(PCIDevice *dev)
@@ -355,11 +370,6 @@ static int piix4_pm_initfn(PCIDevice *dev)
/* XXX: which specification is used ? The i82731AB has different
mappings */
- pci_conf[0x5f] = (parallel_hds[0] != NULL ? 0x80 : 0) | 0x10;
- pci_conf[0x63] = 0x60;
- pci_conf[0x67] = (serial_hds[0] != NULL ? 0x08 : 0) |
- (serial_hds[1] != NULL ? 0x90 : 0);
-
pci_conf[0x90] = s->smb_io_base | 1;
pci_conf[0x91] = s->smb_io_base >> 8;
pci_conf[0xd2] = 0x09;
@@ -372,6 +382,8 @@ static int piix4_pm_initfn(PCIDevice *dev)
qemu_system_powerdown = *qemu_allocate_irqs(piix4_powerdown, s, 1);
pm_smbus_init(&s->dev.qdev, &s->smb);
+ s->machine_ready.notify = piix4_pm_machine_ready;
+ qemu_add_machine_init_done_notifier(&s->machine_ready);
qemu_register_reset(piix4_reset, s);
piix4_acpi_system_hot_add_init(dev->bus, s);