#include <asm/uaccess.h>
#include <asm/kvm_ppc.h>
#include <asm/tlbflush.h>
+#include "timing.h"
#include "../mm/mmu_decl.h"
-
gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
{
return gfn;
void kvm_arch_check_processor_compat(void *rtn)
{
- int r;
-
- if (strcmp(cur_cpu_spec->platform, "ppc440") == 0)
- r = 0;
- else
- r = -ENOTSUPP;
-
- *(int *)rtn = r;
+ *(int *)rtn = kvmppc_core_check_processor_compat();
}
struct kvm *kvm_arch_create_vm(void)
int r;
switch (ext) {
- case KVM_CAP_USER_MEMORY:
- r = 1;
- break;
case KVM_CAP_COALESCED_MMIO:
r = KVM_COALESCED_MMIO_PAGE_OFFSET;
break;
struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
{
struct kvm_vcpu *vcpu;
- int err;
-
- vcpu = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL);
- if (!vcpu) {
- err = -ENOMEM;
- goto out;
- }
-
- err = kvm_vcpu_init(vcpu, kvm, id);
- if (err)
- goto free_vcpu;
-
+ vcpu = kvmppc_core_vcpu_create(kvm, id);
+ kvmppc_create_vcpu_debugfs(vcpu, id);
return vcpu;
-
-free_vcpu:
- kmem_cache_free(kvm_vcpu_cache, vcpu);
-out:
- return ERR_PTR(err);
}
void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
{
- kvm_vcpu_uninit(vcpu);
- kmem_cache_free(kvm_vcpu_cache, vcpu);
+ kvmppc_remove_vcpu_debugfs(vcpu);
+ kvmppc_core_vcpu_free(vcpu);
}
void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu)
int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
{
- unsigned int priority = exception_priority[BOOKE_INTERRUPT_DECREMENTER];
-
- return test_bit(priority, &vcpu->arch.pending_exceptions);
+ return kvmppc_core_pending_dec(vcpu);
}
static void kvmppc_decrementer_func(unsigned long data)
{
struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data;
- kvmppc_queue_exception(vcpu, BOOKE_INTERRUPT_DECREMENTER);
+ kvmppc_core_queue_dec(vcpu);
if (waitqueue_active(&vcpu->wq)) {
wake_up_interruptible(&vcpu->wq);
kvmppc_core_destroy_mmu(vcpu);
}
-/* Note: clearing MSR[DE] just means that the debug interrupt will not be
- * delivered *immediately*. Instead, it simply sets the appropriate DBSR bits.
- * If those DBSR bits are still set when MSR[DE] is re-enabled, the interrupt
- * will be delivered as an "imprecise debug event" (which is indicated by
- * DBSR[IDE].
- */
-static void kvmppc_disable_debug_interrupts(void)
-{
- mtmsr(mfmsr() & ~MSR_DE);
-}
-
-static void kvmppc_restore_host_debug_state(struct kvm_vcpu *vcpu)
-{
- kvmppc_disable_debug_interrupts();
-
- mtspr(SPRN_IAC1, vcpu->arch.host_iac[0]);
- mtspr(SPRN_IAC2, vcpu->arch.host_iac[1]);
- mtspr(SPRN_IAC3, vcpu->arch.host_iac[2]);
- mtspr(SPRN_IAC4, vcpu->arch.host_iac[3]);
- mtspr(SPRN_DBCR1, vcpu->arch.host_dbcr1);
- mtspr(SPRN_DBCR2, vcpu->arch.host_dbcr2);
- mtspr(SPRN_DBCR0, vcpu->arch.host_dbcr0);
- mtmsr(vcpu->arch.host_msr);
-}
-
-static void kvmppc_load_guest_debug_registers(struct kvm_vcpu *vcpu)
-{
- struct kvm_guest_debug *dbg = &vcpu->guest_debug;
- u32 dbcr0 = 0;
-
- vcpu->arch.host_msr = mfmsr();
- kvmppc_disable_debug_interrupts();
-
- /* Save host debug register state. */
- vcpu->arch.host_iac[0] = mfspr(SPRN_IAC1);
- vcpu->arch.host_iac[1] = mfspr(SPRN_IAC2);
- vcpu->arch.host_iac[2] = mfspr(SPRN_IAC3);
- vcpu->arch.host_iac[3] = mfspr(SPRN_IAC4);
- vcpu->arch.host_dbcr0 = mfspr(SPRN_DBCR0);
- vcpu->arch.host_dbcr1 = mfspr(SPRN_DBCR1);
- vcpu->arch.host_dbcr2 = mfspr(SPRN_DBCR2);
-
- /* set registers up for guest */
-
- if (dbg->bp[0]) {
- mtspr(SPRN_IAC1, dbg->bp[0]);
- dbcr0 |= DBCR0_IAC1 | DBCR0_IDM;
- }
- if (dbg->bp[1]) {
- mtspr(SPRN_IAC2, dbg->bp[1]);
- dbcr0 |= DBCR0_IAC2 | DBCR0_IDM;
- }
- if (dbg->bp[2]) {
- mtspr(SPRN_IAC3, dbg->bp[2]);
- dbcr0 |= DBCR0_IAC3 | DBCR0_IDM;
- }
- if (dbg->bp[3]) {
- mtspr(SPRN_IAC4, dbg->bp[3]);
- dbcr0 |= DBCR0_IAC4 | DBCR0_IDM;
- }
-
- mtspr(SPRN_DBCR0, dbcr0);
- mtspr(SPRN_DBCR1, 0);
- mtspr(SPRN_DBCR2, 0);
-}
-
void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
- int i;
-
if (vcpu->guest_debug.enabled)
- kvmppc_load_guest_debug_registers(vcpu);
+ kvmppc_core_load_guest_debugstate(vcpu);
- /* Mark every guest entry in the shadow TLB entry modified, so that they
- * will all be reloaded on the next vcpu run (instead of being
- * demand-faulted). */
- for (i = 0; i <= tlb_44x_hwater; i++)
- kvmppc_tlbe_set_modified(vcpu, i);
+ kvmppc_core_vcpu_load(vcpu, cpu);
}
void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
{
if (vcpu->guest_debug.enabled)
- kvmppc_restore_host_debug_state(vcpu);
+ kvmppc_core_load_host_debugstate(vcpu);
/* Don't leave guest TLB entries resident when being de-scheduled. */
/* XXX It would be nice to differentiate between heavyweight exit and
* sched_out here, since we could avoid the TLB flush for heavyweight
* exits. */
_tlbil_all();
+ kvmppc_core_vcpu_put(vcpu);
}
int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu,
static void kvmppc_complete_dcr_load(struct kvm_vcpu *vcpu,
struct kvm_run *run)
{
- u32 *gpr = &vcpu->arch.gpr[vcpu->arch.io_gpr];
+ ulong *gpr = &vcpu->arch.gpr[vcpu->arch.io_gpr];
*gpr = run->dcr.data;
}
static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
struct kvm_run *run)
{
- u32 *gpr = &vcpu->arch.gpr[vcpu->arch.io_gpr];
+ ulong *gpr = &vcpu->arch.gpr[vcpu->arch.io_gpr];
if (run->mmio.len > sizeof(*gpr)) {
printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len);
vcpu->arch.dcr_needed = 0;
}
- kvmppc_check_and_deliver_interrupts(vcpu);
+ kvmppc_core_deliver_interrupts(vcpu);
local_irq_disable();
kvm_guest_enter();
int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_interrupt *irq)
{
- kvmppc_queue_exception(vcpu, BOOKE_INTERRUPT_EXTERNAL);
+ kvmppc_core_queue_external(vcpu, irq);
if (waitqueue_active(&vcpu->wq)) {
wake_up_interruptible(&vcpu->wq);
projects / linux-2.6-omap-h63xx.git / blobdiff