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apci: switch evt to memory api 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-11-22 13:25:10 +01:00
parent afafe4bbe0
commit b5a7c024d2
5 changed files with 54 additions and 55 deletions
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49
hw/acpi.c
View File

@ -275,7 +275,7 @@ uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar)
return ar->pm1.evt.sts;
}
void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val)
static void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val)
{
uint16_t pm1_sts = acpi_pm1_evt_get_sts(ar);
if (pm1_sts & val & ACPI_BITMASK_TIMER_STATUS) {
@ -285,7 +285,7 @@ void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val)
ar->pm1.evt.sts &= ~val;
}
void acpi_pm1_evt_write_en(ACPIREGS *ar, uint16_t val)
static void acpi_pm1_evt_write_en(ACPIREGS *ar, uint16_t val)
{
ar->pm1.evt.en = val;
qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC,
@ -310,6 +310,51 @@ void acpi_pm1_evt_reset(ACPIREGS *ar)
qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_PMTIMER, 0);
}
static uint64_t acpi_pm_evt_read(void *opaque, hwaddr addr, unsigned width)
{
ACPIREGS *ar = opaque;
switch (addr) {
case 0:
return acpi_pm1_evt_get_sts(ar);
case 2:
return ar->pm1.evt.en;
default:
return 0;
}
}
static void acpi_pm_evt_write(void *opaque, hwaddr addr, uint64_t val,
unsigned width)
{
ACPIREGS *ar = opaque;
switch (addr) {
case 0:
acpi_pm1_evt_write_sts(ar, val);
ar->pm1.evt.update_sci(ar);
break;
case 2:
acpi_pm1_evt_write_en(ar, val);
ar->pm1.evt.update_sci(ar);
break;
}
}
static const MemoryRegionOps acpi_pm_evt_ops = {
.read = acpi_pm_evt_read,
.write = acpi_pm_evt_write,
.valid.min_access_size = 2,
.valid.max_access_size = 2,
.endianness = DEVICE_LITTLE_ENDIAN,
};
void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
MemoryRegion *parent)
{
ar->pm1.evt.update_sci = update_sci;
memory_region_init_io(&ar->pm1.evt.io, &acpi_pm_evt_ops, ar, "acpi-evt", 4);
memory_region_add_subregion(parent, 0, &ar->pm1.evt.io);
}
/* ACPI PM_TMR */
void acpi_pm_tmr_update(ACPIREGS *ar, bool enable)
{

6
hw/acpi.h
View File

@ -91,8 +91,10 @@ struct ACPIPMTimer {
};
struct ACPIPM1EVT {
MemoryRegion io;
uint16_t sts;
uint16_t en;
acpi_update_sci_fn update_sci;
};
struct ACPIPM1CNT {
@ -135,10 +137,10 @@ static inline int64_t acpi_pm_tmr_get_clock(void)
/* PM1a_EVT: piix and ich9 don't implement PM1b. */
uint16_t acpi_pm1_evt_get_sts(ACPIREGS *ar);
void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val);
void acpi_pm1_evt_write_en(ACPIREGS *ar, uint16_t val);
void acpi_pm1_evt_power_down(ACPIREGS *ar);
void acpi_pm1_evt_reset(ACPIREGS *ar);
void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
MemoryRegion *parent);
/* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent);

18
hw/acpi_ich9.c
View File

@ -105,17 +105,7 @@ static uint32_t pm_ioport_readb(void *opaque, uint32_t addr)
static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
{
ICH9LPCPMRegs *pm = opaque;
switch (addr & ICH9_PMIO_MASK) {
case ICH9_PMIO_PM1_STS:
acpi_pm1_evt_write_sts(&pm->acpi_regs, val);
pm_update_sci(pm);
break;
case ICH9_PMIO_PM1_EN:
pm->acpi_regs.pm1.evt.en = val;
pm_update_sci(pm);
break;
default:
pm_ioport_write_fallback(opaque, addr, 2, val);
break;
@ -125,16 +115,9 @@ static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
static uint32_t pm_ioport_readw(void *opaque, uint32_t addr)
{
ICH9LPCPMRegs *pm = opaque;
uint32_t val;
switch (addr & ICH9_PMIO_MASK) {
case ICH9_PMIO_PM1_STS:
val = acpi_pm1_evt_get_sts(&pm->acpi_regs);
break;
case ICH9_PMIO_PM1_EN:
val = pm->acpi_regs.pm1.evt.en;
break;
default:
val = pm_ioport_read_fallback(opaque, addr, 2);
break;
@ -312,6 +295,7 @@ void ich9_pm_init(ICH9LPCPMRegs *pm, qemu_irq sci_irq, qemu_irq cmos_s3)
memory_region_add_subregion(get_system_io(), 0, &pm->io);
acpi_pm_tmr_init(&pm->acpi_regs, ich9_pm_update_sci_fn, &pm->io);
acpi_pm1_evt_init(&pm->acpi_regs, ich9_pm_update_sci_fn, &pm->io);
acpi_pm1_cnt_init(&pm->acpi_regs, &pm->io);
acpi_gpe_init(&pm->acpi_regs, ICH9_PMIO_GPE0_LEN);
acpi_gpe_blk(&pm->acpi_regs, ICH9_PMIO_GPE0_STS);

18
hw/acpi_piix4.c
View File

@ -113,22 +113,12 @@ static void pm_tmr_timer(ACPIREGS *ar)
static void pm_ioport_write(void *opaque, hwaddr addr, uint64_t val,
unsigned width)
{
PIIX4PMState *s = opaque;
if (width != 2) {
PIIX4_DPRINTF("PM write port=0x%04x width=%d val=0x%08x\n",
(unsigned)addr, width, (unsigned)val);
}
switch(addr) {
case 0x00:
acpi_pm1_evt_write_sts(&s->ar, val);
pm_update_sci(s);
break;
case 0x02:
acpi_pm1_evt_write_en(&s->ar, val);
pm_update_sci(s);
break;
default:
break;
}
@ -138,16 +128,9 @@ static void pm_ioport_write(void *opaque, hwaddr addr, uint64_t val,
static uint64_t pm_ioport_read(void *opaque, hwaddr addr, unsigned width)
{
PIIX4PMState *s = opaque;
uint32_t val;
switch(addr) {
case 0x00:
val = acpi_pm1_evt_get_sts(&s->ar);
break;
case 0x02:
val = s->ar.pm1.evt.en;
break;
default:
val = 0;
break;
@ -455,6 +438,7 @@ static int piix4_pm_initfn(PCIDevice *dev)
memory_region_add_subregion(get_system_io(), 0, &s->io);
acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io);
acpi_pm1_evt_init(&s->ar, pm_tmr_timer, &s->io);
acpi_pm1_cnt_init(&s->ar, &s->io);
acpi_gpe_init(&s->ar, GPE_LEN);

18
hw/vt82c686.c
View File

@ -199,18 +199,8 @@ static void pm_tmr_timer(ACPIREGS *ar)
static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
{
VT686PMState *s = opaque;
addr &= 0x0f;
switch (addr) {
case 0x00:
acpi_pm1_evt_write_sts(&s->ar, val);
pm_update_sci(s);
break;
case 0x02:
acpi_pm1_evt_write_en(&s->ar, val);
pm_update_sci(s);
break;
default:
break;
}
@ -219,17 +209,10 @@ static void pm_ioport_writew(void *opaque, uint32_t addr, uint32_t val)
static uint32_t pm_ioport_readw(void *opaque, uint32_t addr)
{
VT686PMState *s = opaque;
uint32_t val;
addr &= 0x0f;
switch (addr) {
case 0x00:
val = acpi_pm1_evt_get_sts(&s->ar);
break;
case 0x02:
val = s->ar.pm1.evt.en;
break;
default:
val = 0;
break;
@ -437,6 +420,7 @@ static int vt82c686b_pm_initfn(PCIDevice *dev)
memory_region_add_subregion(get_system_io(), 0, &s->io);
acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io);
acpi_pm1_evt_init(&s->ar, pm_tmr_timer, &s->io);
acpi_pm1_cnt_init(&s->ar, &s->io);
pm_smbus_init(&s->dev.qdev, &s->smb);