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authorIgor Mammedov <imammedo@redhat.com>2013-12-13 17:22:07 +0100
committerMichael S. Tsirkin <mst@redhat.com>2013-12-23 13:12:34 +0200
commit063135032808700a5a6b0b4a781f31252da2e762 (patch)
tree3a7f9a09c87b420ccaa6de96269a0c724f652f56 /hw
parente4f308bbf9f360ee2af5b94b87aef170d8f20dc4 (diff)
acpi: factor out common pm_update_sci() into acpi core
... and rename it into acpi_update_sci() since it changes SCI on only on PM registers status. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/acpi/core.c18
-rw-r--r--hw/acpi/ich9.c23
-rw-r--r--hw/acpi/piix4.c26
3 files changed, 24 insertions, 43 deletions
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 58308a3406..79414b44c7 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -662,3 +662,21 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr)
return val;
}
+
+void acpi_update_sci(ACPIREGS *regs, qemu_irq irq)
+{
+ int sci_level, pm1a_sts;
+
+ pm1a_sts = acpi_pm1_evt_get_sts(regs);
+
+ sci_level = ((pm1a_sts &
+ regs->pm1.evt.en & ACPI_BITMASK_PM1_COMMON_ENABLED) != 0) ||
+ ((regs->gpe.sts[0] & regs->gpe.en[0]) != 0);
+
+ qemu_set_irq(irq, sci_level);
+
+ /* schedule a timer interruption if needed */
+ acpi_pm_tmr_update(regs,
+ (regs->pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) &&
+ !(pm1a_sts & ACPI_BITMASK_TIMER_STATUS));
+}
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 7e0429e0f9..dcdef7c923 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -44,29 +44,10 @@ do { printf("%s "fmt, __func__, ## __VA_ARGS__); } while (0)
#define ICH9_DEBUG(fmt, ...) do { } while (0)
#endif
-static void pm_update_sci(ICH9LPCPMRegs *pm)
-{
- int sci_level, pm1a_sts;
-
- pm1a_sts = acpi_pm1_evt_get_sts(&pm->acpi_regs);
-
- sci_level = (((pm1a_sts & pm->acpi_regs.pm1.evt.en) &
- (ACPI_BITMASK_RT_CLOCK_ENABLE |
- ACPI_BITMASK_POWER_BUTTON_ENABLE |
- ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
- ACPI_BITMASK_TIMER_ENABLE)) != 0);
- qemu_set_irq(pm->irq, sci_level);
-
- /* schedule a timer interruption if needed */
- acpi_pm_tmr_update(&pm->acpi_regs,
- (pm->acpi_regs.pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) &&
- !(pm1a_sts & ACPI_BITMASK_TIMER_STATUS));
-}
-
static void ich9_pm_update_sci_fn(ACPIREGS *regs)
{
ICH9LPCPMRegs *pm = container_of(regs, ICH9LPCPMRegs, acpi_regs);
- pm_update_sci(pm);
+ acpi_update_sci(&pm->acpi_regs, pm->irq);
}
static uint64_t ich9_gpe_readb(void *opaque, hwaddr addr, unsigned width)
@@ -193,7 +174,7 @@ static void pm_reset(void *opaque)
pm->smi_en |= ICH9_PMIO_SMI_EN_APMC_EN;
}
- pm_update_sci(pm);
+ acpi_update_sci(&pm->acpi_regs, pm->irq);
}
static void pm_powerdown_req(Notifier *n, void *opaque)
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index b4caeab131..b6b97ceb63 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -112,28 +112,10 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
#define ACPI_ENABLE 0xf1
#define ACPI_DISABLE 0xf0
-static void pm_update_sci(PIIX4PMState *s)
-{
- int sci_level, pmsts;
-
- pmsts = acpi_pm1_evt_get_sts(&s->ar);
- sci_level = (((pmsts & s->ar.pm1.evt.en) &
- (ACPI_BITMASK_RT_CLOCK_ENABLE |
- ACPI_BITMASK_POWER_BUTTON_ENABLE |
- ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
- ACPI_BITMASK_TIMER_ENABLE)) != 0) ||
- ((s->ar.gpe.sts[0] & s->ar.gpe.en[0]) != 0);
-
- qemu_set_irq(s->irq, sci_level);
- /* schedule a timer interruption if needed */
- acpi_pm_tmr_update(&s->ar, (s->ar.pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) &&
- !(pmsts & ACPI_BITMASK_TIMER_STATUS));
-}
-
static void pm_tmr_timer(ACPIREGS *ar)
{
PIIX4PMState *s = container_of(ar, PIIX4PMState, ar);
- pm_update_sci(s);
+ acpi_update_sci(&s->ar, s->irq);
}
static void apm_ctrl_changed(uint32_t val, void *arg)
@@ -577,7 +559,7 @@ static void gpe_writeb(void *opaque, hwaddr addr, uint64_t val,
PIIX4PMState *s = opaque;
acpi_gpe_ioport_writeb(&s->ar, addr, val);
- pm_update_sci(s);
+ acpi_update_sci(&s->ar, s->irq);
PIIX4_DPRINTF("gpe write %" HWADDR_PRIx " <== %" PRIu64 "\n", addr, val);
}
@@ -693,7 +675,7 @@ static void piix4_cpu_hotplug_req(PIIX4PMState *s, CPUState *cpu,
} else {
g->sts[cpu_id / 8] &= ~(1 << (cpu_id % 8));
}
- pm_update_sci(s);
+ acpi_update_sci(&s->ar, s->irq);
}
static void piix4_cpu_added_req(Notifier *n, void *opaque)
@@ -767,7 +749,7 @@ static int piix4_device_hotplug(DeviceState *qdev, PCIDevice *dev,
disable_device(s, slot);
}
- pm_update_sci(s);
+ acpi_update_sci(&s->ar, s->irq);
return 0;
}