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arm64: KVM: PSCI implementation

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Wire the PSCI backend into the exit handling code.

Reviewed-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Marc Zyngier
2012-12-12 18:52:05 +00:00
parent 003300de6c
commit dcd2e40c1e
4 changed files with 47 additions and 10 deletions
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16
arch/arm64/kvm/handle_exit.c
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@@ -24,26 +24,24 @@
#include <asm/kvm_emulate.h>
#include <asm/kvm_coproc.h>
#include <asm/kvm_mmu.h>
#include <asm/kvm_psci.h>
typedef int (*exit_handle_fn)(struct kvm_vcpu *, struct kvm_run *);
static int handle_hvc(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
/*
* Guest called HVC instruction:
* Let it know we don't want that by injecting an undefined exception.
*/
kvm_debug("hvc: %x (at %08lx)", kvm_vcpu_get_hsr(vcpu) & ((1 << 16) - 1),
*vcpu_pc(vcpu));
kvm_debug(" HSR: %8x", kvm_vcpu_get_hsr(vcpu));
if (kvm_psci_call(vcpu))
return 1;
kvm_inject_undefined(vcpu);
return 1;
}
static int handle_smc(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
/* We don't support SMC; don't do that. */
kvm_debug("smc: at %08lx", *vcpu_pc(vcpu));
if (kvm_psci_call(vcpu))
return 1;
kvm_inject_undefined(vcpu);
return 1;
}