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authorAlexander Graf <agraf@suse.de>2010-02-19 10:00:33 (GMT)
committerAvi Kivity <avi@redhat.com>2010-04-25 09:34:53 (GMT)
commitd6d549b20776c937cb4717b24ef05baec4768f99 (patch)
tree10ba0ff79b97840854c548334e9d2008e777769c /arch/powerpc/kvm
parent3c402a75ea66e7aafa212077d1f93f1b560d0bd0 (diff)
downloadlinux-fsl-qoriq-d6d549b20776c937cb4717b24ef05baec4768f99.tar.xz
KVM: PPC: Add Gekko SPRs
The Gekko has some SPR values that differ from other PPC core values and also some additional ones. Let's add support for them in our mfspr/mtspr emulator. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/book3s_64_emulate.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 2b0ee7e..bb4a7c1 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -42,6 +42,15 @@
/* DCBZ is actually 1014, but we patch it to 1010 so we get a trap */
#define OP_31_XOP_DCBZ 1010
+#define SPRN_GQR0 912
+#define SPRN_GQR1 913
+#define SPRN_GQR2 914
+#define SPRN_GQR3 915
+#define SPRN_GQR4 916
+#define SPRN_GQR5 917
+#define SPRN_GQR6 918
+#define SPRN_GQR7 919
+
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance)
{
@@ -268,7 +277,29 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_HID2:
to_book3s(vcpu)->hid[2] = spr_val;
break;
+ case SPRN_HID2_GEKKO:
+ to_book3s(vcpu)->hid[2] = spr_val;
+ /* HID2.PSE controls paired single on gekko */
+ switch (vcpu->arch.pvr) {
+ case 0x00080200: /* lonestar 2.0 */
+ case 0x00088202: /* lonestar 2.2 */
+ case 0x70000100: /* gekko 1.0 */
+ case 0x00080100: /* gekko 2.0 */
+ case 0x00083203: /* gekko 2.3a */
+ case 0x00083213: /* gekko 2.3b */
+ case 0x00083204: /* gekko 2.4 */
+ case 0x00083214: /* gekko 2.4e (8SE) - retail HW2 */
+ if (spr_val & (1 << 29)) { /* HID2.PSE */
+ vcpu->arch.hflags |= BOOK3S_HFLAG_PAIRED_SINGLE;
+ kvmppc_giveup_ext(vcpu, MSR_FP);
+ } else {
+ vcpu->arch.hflags &= ~BOOK3S_HFLAG_PAIRED_SINGLE;
+ }
+ break;
+ }
+ break;
case SPRN_HID4:
+ case SPRN_HID4_GEKKO:
to_book3s(vcpu)->hid[4] = spr_val;
break;
case SPRN_HID5:
@@ -278,12 +309,30 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
(mfmsr() & MSR_HV))
vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
break;
+ case SPRN_GQR0:
+ case SPRN_GQR1:
+ case SPRN_GQR2:
+ case SPRN_GQR3:
+ case SPRN_GQR4:
+ case SPRN_GQR5:
+ case SPRN_GQR6:
+ case SPRN_GQR7:
+ to_book3s(vcpu)->gqr[sprn - SPRN_GQR0] = spr_val;
+ break;
case SPRN_ICTC:
case SPRN_THRM1:
case SPRN_THRM2:
case SPRN_THRM3:
case SPRN_CTRLF:
case SPRN_CTRLT:
+ case SPRN_L2CR:
+ case SPRN_MMCR0_GEKKO:
+ case SPRN_MMCR1_GEKKO:
+ case SPRN_PMC1_GEKKO:
+ case SPRN_PMC2_GEKKO:
+ case SPRN_PMC3_GEKKO:
+ case SPRN_PMC4_GEKKO:
+ case SPRN_WPAR_GEKKO:
break;
default:
printk(KERN_INFO "KVM: invalid SPR write: %d\n", sprn);
@@ -320,19 +369,40 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[1]);
break;
case SPRN_HID2:
+ case SPRN_HID2_GEKKO:
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[2]);
break;
case SPRN_HID4:
+ case SPRN_HID4_GEKKO:
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[4]);
break;
case SPRN_HID5:
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]);
break;
+ case SPRN_GQR0:
+ case SPRN_GQR1:
+ case SPRN_GQR2:
+ case SPRN_GQR3:
+ case SPRN_GQR4:
+ case SPRN_GQR5:
+ case SPRN_GQR6:
+ case SPRN_GQR7:
+ kvmppc_set_gpr(vcpu, rt,
+ to_book3s(vcpu)->gqr[sprn - SPRN_GQR0]);
+ break;
case SPRN_THRM1:
case SPRN_THRM2:
case SPRN_THRM3:
case SPRN_CTRLF:
case SPRN_CTRLT:
+ case SPRN_L2CR:
+ case SPRN_MMCR0_GEKKO:
+ case SPRN_MMCR1_GEKKO:
+ case SPRN_PMC1_GEKKO:
+ case SPRN_PMC2_GEKKO:
+ case SPRN_PMC3_GEKKO:
+ case SPRN_PMC4_GEKKO:
+ case SPRN_WPAR_GEKKO:
kvmppc_set_gpr(vcpu, rt, 0);
break;
default: