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arm64: KVM: 32bit handling of coprocessor traps

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Provide the necessary infrastructure to trap coprocessor accesses that
occur when running 32bit guests.

Also wire SMC and HVC trapped in 32bit mode while were at it.

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
2013-02-07 10:32:33 +00:00
parent 27b190bd9f
commit 62a89c4495
3 changed files with 186 additions and 7 deletions
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5
arch/arm64/include/asm/kvm_coproc.h
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@@ -32,11 +32,16 @@ struct kvm_sys_reg_table {
struct kvm_sys_reg_target_table {
struct kvm_sys_reg_table table64;
struct kvm_sys_reg_table table32;
};
void kvm_register_target_sys_reg_table(unsigned int target,
struct kvm_sys_reg_target_table *table);
int kvm_handle_cp14_load_store(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp14_access(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_32(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_cp15_64(struct kvm_vcpu *vcpu, struct kvm_run *run);
int kvm_handle_sys_reg(struct kvm_vcpu *vcpu, struct kvm_run *run);
#define kvm_coproc_table_init kvm_sys_reg_table_init