static void rtc_set_time(RTCState *s)
{
struct tm *tm = &s->current_tm;
struct domain *d = vrtc_domain(s);
unsigned long before, after; /* XXX s_time_t */
ASSERT(spin_is_locked(&s->lock));
before = mktime(get_year(tm->tm_year), tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
tm->tm_sec = from_bcd(s, s->hw.cmos_data[RTC_SECONDS]);
tm->tm_min = from_bcd(s, s->hw.cmos_data[RTC_MINUTES]);
tm->tm_hour = convert_hour(s, s->hw.cmos_data[RTC_HOURS]);
tm->tm_wday = from_bcd(s, s->hw.cmos_data[RTC_DAY_OF_WEEK]);
tm->tm_mday = from_bcd(s, s->hw.cmos_data[RTC_DAY_OF_MONTH]);
tm->tm_mon = from_bcd(s, s->hw.cmos_data[RTC_MONTH]) - 1;
tm->tm_year = from_bcd(s, s->hw.cmos_data[RTC_YEAR]) + 100;
after = mktime(get_year(tm->tm_year), tm->tm_mon + 1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
/* We use the guest's setting of the RTC to define the local-time
* offset for this domain. */
d->time_offset_seconds += (after - before);
update_domain_wallclock_time(d);
/* Also tell qemu-dm about it so it will be remembered for next boot. */
send_timeoffset_req(after - before);
}
static int __init pvh_setup_cpus(struct domain *d, paddr_t entry,
paddr_t start_info)
{
struct vcpu *v = d->vcpu[0];
unsigned int cpu, i;
int rc;
/*
* This sets the vCPU state according to the state described in
* docs/misc/hvmlite.markdown.
*/
vcpu_hvm_context_t cpu_ctx = {
.mode = VCPU_HVM_MODE_32B,
.cpu_regs.x86_32.ebx = start_info,
.cpu_regs.x86_32.eip = entry,
.cpu_regs.x86_32.cr0 = X86_CR0_PE | X86_CR0_ET,
.cpu_regs.x86_32.cs_limit = ~0u,
.cpu_regs.x86_32.ds_limit = ~0u,
.cpu_regs.x86_32.ss_limit = ~0u,
.cpu_regs.x86_32.tr_limit = 0x67,
.cpu_regs.x86_32.cs_ar = 0xc9b,
.cpu_regs.x86_32.ds_ar = 0xc93,
.cpu_regs.x86_32.ss_ar = 0xc93,
.cpu_regs.x86_32.tr_ar = 0x8b,
};
cpu = v->processor;
for ( i = 1; i < d->max_vcpus; i++ )
{
const struct vcpu *p = dom0_setup_vcpu(d, i, cpu);
if ( p )
cpu = p->processor;
}
rc = arch_set_info_hvm_guest(v, &cpu_ctx);
if ( rc )
{
printk("Unable to setup Dom0 BSP context: %d\n", rc);
return rc;
}
rc = dom0_setup_permissions(d);
if ( rc )
{
panic("Unable to setup Dom0 permissions: %d\n", rc);
return rc;
}
update_domain_wallclock_time(d);
clear_bit(_VPF_down, &v->pause_flags);
return 0;
}
static int __init acpi_count_intr_ovr(struct acpi_subtable_header *header,
const unsigned long end)
{
acpi_intr_overrides++;
return 0;
}
int arch_domain_create(struct domain *d, unsigned int domcr_flags,
struct xen_arch_domainconfig *config)
{
int rc, count = 0;
BUILD_BUG_ON(GUEST_MAX_VCPUS < MAX_VIRT_CPUS);
d->arch.relmem = RELMEM_not_started;
/* Idle domains do not need this setup */
if ( is_idle_domain(d) )
return 0;
ASSERT(config != NULL);
/* p2m_init relies on some value initialized by the IOMMU subsystem */
if ( (rc = iommu_domain_init(d)) != 0 )
goto fail;
if ( (rc = p2m_init(d)) != 0 )
goto fail;
rc = -ENOMEM;
if ( (d->shared_info = alloc_xenheap_pages(0, 0)) == NULL )
goto fail;
/* Default the virtual ID to match the physical */
d->arch.vpidr = boot_cpu_data.midr.bits;
clear_page(d->shared_info);
share_xen_page_with_guest(
virt_to_page(d->shared_info), d, XENSHARE_writable);
switch ( config->gic_version )
{
case XEN_DOMCTL_CONFIG_GIC_NATIVE:
switch ( gic_hw_version () )
{
case GIC_V2:
config->gic_version = XEN_DOMCTL_CONFIG_GIC_V2;
d->arch.vgic.version = GIC_V2;
break;
case GIC_V3:
config->gic_version = XEN_DOMCTL_CONFIG_GIC_V3;
d->arch.vgic.version = GIC_V3;
break;
default:
BUG();
}
break;
case XEN_DOMCTL_CONFIG_GIC_V2:
d->arch.vgic.version = GIC_V2;
break;
case XEN_DOMCTL_CONFIG_GIC_V3:
d->arch.vgic.version = GIC_V3;
break;
default:
rc = -EOPNOTSUPP;
goto fail;
}
if ( (rc = domain_vgic_register(d, &count)) != 0 )
goto fail;
if ( (rc = domain_io_init(d, count + MAX_IO_HANDLER)) != 0 )
goto fail;
if ( (rc = domain_vgic_init(d, config->nr_spis)) != 0 )
goto fail;
if ( (rc = domain_vtimer_init(d, config)) != 0 )
goto fail;
update_domain_wallclock_time(d);
/*
* The hardware domain will get a PPI later in
* arch/arm/domain_build.c depending on the
* interrupt map of the hardware.
*/
if ( !is_hardware_domain(d) )
{
d->arch.evtchn_irq = GUEST_EVTCHN_PPI;
/* At this stage vgic_reserve_virq should never fail */
if ( !vgic_reserve_virq(d, GUEST_EVTCHN_PPI) )
BUG();
}
/*
* Virtual UART is only used by linux early printk and decompress code.
* Only use it for the hardware domain because the linux kernel may not
* support multi-platform.
*/
if ( is_hardware_domain(d) && (rc = domain_vuart_init(d)) )
goto fail;
return 0;
fail:
d->is_dying = DOMDYING_dead;
arch_domain_destroy(d);
return rc;
}