* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>
*/
+#include "qemu/osdep.h"
#include "qemu/thread.h"
#include "hw/i386/apic_internal.h"
#include "hw/i386/apic.h"
return ctz32(value);
}
-static inline void apic_set_bit(uint32_t *tab, int index)
-{
- int i, mask;
- i = index >> 5;
- mask = 1 << (index & 0x1f);
- tab[i] |= mask;
-}
-
static inline void apic_reset_bit(uint32_t *tab, int index)
{
int i, mask;
tab[i] &= ~mask;
}
-static inline int apic_get_bit(uint32_t *tab, int index)
-{
- int i, mask;
- i = index >> 5;
- mask = 1 << (index & 0x1f);
- return !!(tab[i] & mask);
-}
-
/* return -1 if no bit is set */
static int get_highest_priority_int(uint32_t *tab)
{
return;
}
if (sync_type & SYNC_FROM_VAPIC) {
- cpu_physical_memory_rw(s->vapic_paddr, (void *)&vapic_state,
- sizeof(vapic_state), 0);
+ cpu_physical_memory_read(s->vapic_paddr, &vapic_state,
+ sizeof(vapic_state));
s->tpr = vapic_state.tpr;
}
if (sync_type & (SYNC_TO_VAPIC | SYNC_ISR_IRR_TO_VAPIC)) {
}
vapic_state.irr = vector & 0xff;
- cpu_physical_memory_write_rom(s->vapic_paddr + start,
+ cpu_physical_memory_write_rom(&address_space_memory,
+ s->vapic_paddr + start,
((void *)&vapic_state) + start, length);
}
}
}
}
-void apic_deliver_pic_intr(DeviceState *d, int level)
+void apic_deliver_pic_intr(DeviceState *dev, int level)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
if (level) {
apic_local_deliver(s, APIC_LVT_LINT0);
apic_reset_bit(s->irr, lvt & 0xff);
/* fall through */
case APIC_DM_EXTINT:
- cpu_reset_interrupt(CPU(s->cpu), CPU_INTERRUPT_HARD);
+ apic_update_irq(s);
break;
}
}
#define foreach_apic(apic, deliver_bitmask, code) \
{\
- int __i, __j, __mask;\
+ int __i, __j;\
for(__i = 0; __i < MAX_APIC_WORDS; __i++) {\
- __mask = deliver_bitmask[__i];\
+ uint32_t __mask = deliver_bitmask[__i];\
if (__mask) {\
for(__j = 0; __j < 32; __j++) {\
- if (__mask & (1 << __j)) {\
+ if (__mask & (1U << __j)) {\
apic = local_apics[__i * 32 + __j];\
if (apic) {\
code;\
return s->tpr >> 4;
}
-static int apic_get_ppr(APICCommonState *s)
+int apic_get_ppr(APICCommonState *s)
{
int tpr, isrv, ppr;
static int apic_irq_pending(APICCommonState *s)
{
int irrv, ppr;
+
+ if (!(s->spurious_vec & APIC_SV_ENABLE)) {
+ return 0;
+ }
+
irrv = get_highest_priority_int(s->irr);
if (irrv < 0) {
return 0;
static void apic_update_irq(APICCommonState *s)
{
CPUState *cpu;
+ DeviceState *dev = (DeviceState *)s;
- if (!(s->spurious_vec & APIC_SV_ENABLE)) {
- return;
- }
cpu = CPU(s->cpu);
if (!qemu_cpu_is_self(cpu)) {
cpu_interrupt(cpu, CPU_INTERRUPT_POLL);
} else if (apic_irq_pending(s) > 0) {
cpu_interrupt(cpu, CPU_INTERRUPT_HARD);
+ } else if (!apic_accept_pic_intr(dev) || !pic_get_output(isa_pic)) {
+ cpu_reset_interrupt(cpu, CPU_INTERRUPT_HARD);
}
}
-void apic_poll_irq(DeviceState *d)
+void apic_poll_irq(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(d);
+ APICCommonState *s = APIC_COMMON(dev);
apic_sync_vapic(s, SYNC_FROM_VAPIC);
apic_update_irq(s);
cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_SIPI);
}
-void apic_sipi(DeviceState *d)
+void apic_sipi(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
cpu_reset_interrupt(CPU(s->cpu), CPU_INTERRUPT_SIPI);
s->wait_for_sipi = 0;
}
-static void apic_deliver(DeviceState *d, uint8_t dest, uint8_t dest_mode,
+static void apic_deliver(DeviceState *dev, uint8_t dest, uint8_t dest_mode,
uint8_t delivery_mode, uint8_t vector_num,
uint8_t trigger_mode)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
uint32_t deliver_bitmask[MAX_APIC_WORDS];
int dest_shorthand = (s->icr[0] >> 18) & 3;
APICCommonState *apic_iter;
static bool apic_check_pic(APICCommonState *s)
{
- if (!apic_accept_pic_intr(&s->busdev.qdev) || !pic_get_output(isa_pic)) {
+ DeviceState *dev = (DeviceState *)s;
+
+ if (!apic_accept_pic_intr(dev) || !pic_get_output(isa_pic)) {
return false;
}
- apic_deliver_pic_intr(&s->busdev.qdev, 1);
+ apic_deliver_pic_intr(dev, 1);
return true;
}
-int apic_get_interrupt(DeviceState *d)
+int apic_get_interrupt(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
int intno;
/* if the APIC is installed or enabled, we let the 8259 handle the
apic_sync_vapic(s, SYNC_FROM_VAPIC);
intno = apic_irq_pending(s);
- if (intno == 0) {
+ /* if there is an interrupt from the 8259, let the caller handle
+ * that first since ExtINT interrupts ignore the priority.
+ */
+ if (intno == 0 || apic_check_pic(s)) {
apic_sync_vapic(s, SYNC_TO_VAPIC);
return -1;
} else if (intno < 0) {
apic_set_bit(s->isr, intno);
apic_sync_vapic(s, SYNC_TO_VAPIC);
- /* re-inject if there is still a pending PIC interrupt */
- apic_check_pic(s);
-
apic_update_irq(s);
return intno;
}
-int apic_accept_pic_intr(DeviceState *d)
+int apic_accept_pic_intr(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
uint32_t lvt0;
if (!s)
{
int64_t d;
uint32_t val;
- d = (qemu_get_clock_ns(vm_clock) - s->initial_count_load_time) >>
+ d = (qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->initial_count_load_time) >>
s->count_shift;
if (s->lvt[APIC_LVT_TIMER] & APIC_LVT_TIMER_PERIODIC) {
/* periodic */
static void apic_timer_update(APICCommonState *s, int64_t current_time)
{
if (apic_next_timer(s, current_time)) {
- qemu_mod_timer(s->timer, s->next_time);
+ timer_mod(s->timer, s->next_time);
} else {
- qemu_del_timer(s->timer);
+ timer_del(s->timer);
}
}
static uint32_t apic_mem_readl(void *opaque, hwaddr addr)
{
- DeviceState *d;
+ DeviceState *dev;
APICCommonState *s;
uint32_t val;
int index;
- d = cpu_get_current_apic();
- if (!d) {
+ dev = cpu_get_current_apic();
+ if (!dev) {
return 0;
}
- s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ s = APIC_COMMON(dev);
index = (addr >> 4) & 0xff;
switch(index) {
val = s->id << 24;
break;
case 0x03: /* version */
- val = 0x11 | ((APIC_LVT_NB - 1) << 16); /* version 0x11 */
+ val = s->version | ((APIC_LVT_NB - 1) << 16);
break;
case 0x08:
apic_sync_vapic(s, SYNC_FROM_VAPIC);
val = s->log_dest << 24;
break;
case 0x0e:
- val = s->dest_mode << 28;
+ val = (s->dest_mode << 28) | 0xfffffff;
break;
case 0x0f:
val = s->spurious_vec;
val = s->divide_conf;
break;
default:
- s->esr |= ESR_ILLEGAL_ADDRESS;
+ s->esr |= APIC_ESR_ILLEGAL_ADDRESS;
val = 0;
break;
}
static void apic_mem_writel(void *opaque, hwaddr addr, uint32_t val)
{
- DeviceState *d;
+ DeviceState *dev;
APICCommonState *s;
int index = (addr >> 4) & 0xff;
if (addr > 0xfff || !index) {
return;
}
- d = cpu_get_current_apic();
- if (!d) {
+ dev = cpu_get_current_apic();
+ if (!dev) {
return;
}
- s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ s = APIC_COMMON(dev);
trace_apic_mem_writel(addr, val);
break;
case 0x30:
s->icr[0] = val;
- apic_deliver(d, (s->icr[1] >> 24) & 0xff, (s->icr[0] >> 11) & 1,
+ apic_deliver(dev, (s->icr[1] >> 24) & 0xff, (s->icr[0] >> 11) & 1,
(s->icr[0] >> 8) & 7, (s->icr[0] & 0xff),
(s->icr[0] >> 15) & 1);
break;
int n = index - 0x32;
s->lvt[n] = val;
if (n == APIC_LVT_TIMER) {
- apic_timer_update(s, qemu_get_clock_ns(vm_clock));
+ apic_timer_update(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
} else if (n == APIC_LVT_LINT0 && apic_check_pic(s)) {
apic_update_irq(s);
}
break;
case 0x38:
s->initial_count = val;
- s->initial_count_load_time = qemu_get_clock_ns(vm_clock);
+ s->initial_count_load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
apic_timer_update(s, s->initial_count_load_time);
break;
case 0x39:
}
break;
default:
- s->esr |= ESR_ILLEGAL_ADDRESS;
+ s->esr |= APIC_ESR_ILLEGAL_ADDRESS;
break;
}
}
static void apic_post_load(APICCommonState *s)
{
if (s->timer_expiry != -1) {
- qemu_mod_timer(s->timer, s->timer_expiry);
+ timer_mod(s->timer, s->timer_expiry);
} else {
- qemu_del_timer(s->timer);
+ timer_del(s->timer);
}
}
.endianness = DEVICE_NATIVE_ENDIAN,
};
-static void apic_init(APICCommonState *s)
+static void apic_realize(DeviceState *dev, Error **errp)
{
+ APICCommonState *s = APIC_COMMON(dev);
+
memory_region_init_io(&s->io_memory, OBJECT(s), &apic_io_ops, s, "apic-msi",
APIC_SPACE_SIZE);
- s->timer = qemu_new_timer_ns(vm_clock, apic_timer, s);
+ s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, apic_timer, s);
local_apics[s->idx] = s;
msi_supported = true;
{
APICCommonClass *k = APIC_COMMON_CLASS(klass);
- k->init = apic_init;
+ k->realize = apic_realize;
k->set_base = apic_set_base;
k->set_tpr = apic_set_tpr;
k->get_tpr = apic_get_tpr;
projects / mirror_qemu.git / blobdiff