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Diffstat (limited to 'arch/powerpc/kvm/44x.c')
-rw-r--r--arch/powerpc/kvm/44x.c66
1 files changed, 0 insertions, 66 deletions
diff --git a/arch/powerpc/kvm/44x.c b/arch/powerpc/kvm/44x.c
index 8383603dd8a..0cef809cec2 100644
--- a/arch/powerpc/kvm/44x.c
+++ b/arch/powerpc/kvm/44x.c
@@ -28,72 +28,6 @@
#include "44x_tlb.h"
-/* 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 kvm44x_disable_debug_interrupts(void)
-{
- mtmsr(mfmsr() & ~MSR_DE);
-}
-
-void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu)
-{
- kvm44x_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);
-}
-
-void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
-{
- struct kvm_guest_debug *dbg = &vcpu->guest_debug;
- u32 dbcr0 = 0;
-
- vcpu->arch.host_msr = mfmsr();
- kvm44x_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 kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
kvmppc_44x_tlb_load(vcpu);