summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kvm/e500_emulate.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kvm/e500_emulate.c')
-rw-r--r--arch/powerpc/kvm/e500_emulate.c210
1 files changed, 161 insertions, 49 deletions
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index 6d0b2bd54fb0..8b99e076dc81 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -14,27 +14,96 @@
#include <asm/kvm_ppc.h>
#include <asm/disassemble.h>
-#include <asm/kvm_e500.h>
+#include <asm/dbell.h>
#include "booke.h"
-#include "e500_tlb.h"
+#include "e500.h"
+#define XOP_MSGSND 206
+#define XOP_MSGCLR 238
#define XOP_TLBIVAX 786
#define XOP_TLBSX 914
#define XOP_TLBRE 946
#define XOP_TLBWE 978
+#define XOP_TLBILX 18
+
+#ifdef CONFIG_KVM_E500MC
+static int dbell2prio(ulong param)
+{
+ int msg = param & PPC_DBELL_TYPE_MASK;
+ int prio = -1;
+
+ switch (msg) {
+ case PPC_DBELL_TYPE(PPC_DBELL):
+ prio = BOOKE_IRQPRIO_DBELL;
+ break;
+ case PPC_DBELL_TYPE(PPC_DBELL_CRIT):
+ prio = BOOKE_IRQPRIO_DBELL_CRIT;
+ break;
+ default:
+ break;
+ }
+
+ return prio;
+}
+
+static int kvmppc_e500_emul_msgclr(struct kvm_vcpu *vcpu, int rb)
+{
+ ulong param = vcpu->arch.gpr[rb];
+ int prio = dbell2prio(param);
+
+ if (prio < 0)
+ return EMULATE_FAIL;
+
+ clear_bit(prio, &vcpu->arch.pending_exceptions);
+ return EMULATE_DONE;
+}
+
+static int kvmppc_e500_emul_msgsnd(struct kvm_vcpu *vcpu, int rb)
+{
+ ulong param = vcpu->arch.gpr[rb];
+ int prio = dbell2prio(rb);
+ int pir = param & PPC_DBELL_PIR_MASK;
+ int i;
+ struct kvm_vcpu *cvcpu;
+
+ if (prio < 0)
+ return EMULATE_FAIL;
+
+ kvm_for_each_vcpu(i, cvcpu, vcpu->kvm) {
+ int cpir = cvcpu->arch.shared->pir;
+ if ((param & PPC_DBELL_MSG_BRDCAST) || (cpir == pir)) {
+ set_bit(prio, &cvcpu->arch.pending_exceptions);
+ kvm_vcpu_kick(cvcpu);
+ }
+ }
+
+ return EMULATE_DONE;
+}
+#endif
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int inst, int *advance)
{
int emulated = EMULATE_DONE;
- int ra;
- int rb;
+ int ra = get_ra(inst);
+ int rb = get_rb(inst);
+ int rt = get_rt(inst);
switch (get_op(inst)) {
case 31:
switch (get_xop(inst)) {
+#ifdef CONFIG_KVM_E500MC
+ case XOP_MSGSND:
+ emulated = kvmppc_e500_emul_msgsnd(vcpu, rb);
+ break;
+
+ case XOP_MSGCLR:
+ emulated = kvmppc_e500_emul_msgclr(vcpu, rb);
+ break;
+#endif
+
case XOP_TLBRE:
emulated = kvmppc_e500_emul_tlbre(vcpu);
break;
@@ -44,13 +113,14 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
break;
case XOP_TLBSX:
- rb = get_rb(inst);
emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
break;
+ case XOP_TLBILX:
+ emulated = kvmppc_e500_emul_tlbilx(vcpu, rt, ra, rb);
+ break;
+
case XOP_TLBIVAX:
- ra = get_ra(inst);
- rb = get_rb(inst);
emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
break;
@@ -70,52 +140,63 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
return emulated;
}
-int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
+int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
{
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int emulated = EMULATE_DONE;
- ulong spr_val = kvmppc_get_gpr(vcpu, rs);
switch (sprn) {
+#ifndef CONFIG_KVM_BOOKE_HV
case SPRN_PID:
kvmppc_set_pid(vcpu, spr_val);
break;
case SPRN_PID1:
if (spr_val != 0)
return EMULATE_FAIL;
- vcpu_e500->pid[1] = spr_val; break;
+ vcpu_e500->pid[1] = spr_val;
+ break;
case SPRN_PID2:
if (spr_val != 0)
return EMULATE_FAIL;
- vcpu_e500->pid[2] = spr_val; break;
+ vcpu_e500->pid[2] = spr_val;
+ break;
case SPRN_MAS0:
- vcpu->arch.shared->mas0 = spr_val; break;
+ vcpu->arch.shared->mas0 = spr_val;
+ break;
case SPRN_MAS1:
- vcpu->arch.shared->mas1 = spr_val; break;
+ vcpu->arch.shared->mas1 = spr_val;
+ break;
case SPRN_MAS2:
- vcpu->arch.shared->mas2 = spr_val; break;
+ vcpu->arch.shared->mas2 = spr_val;
+ break;
case SPRN_MAS3:
vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
vcpu->arch.shared->mas7_3 |= spr_val;
break;
case SPRN_MAS4:
- vcpu->arch.shared->mas4 = spr_val; break;
+ vcpu->arch.shared->mas4 = spr_val;
+ break;
case SPRN_MAS6:
- vcpu->arch.shared->mas6 = spr_val; break;
+ vcpu->arch.shared->mas6 = spr_val;
+ break;
case SPRN_MAS7:
vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
break;
+#endif
case SPRN_L1CSR0:
vcpu_e500->l1csr0 = spr_val;
vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
break;
case SPRN_L1CSR1:
- vcpu_e500->l1csr1 = spr_val; break;
+ vcpu_e500->l1csr1 = spr_val;
+ break;
case SPRN_HID0:
- vcpu_e500->hid0 = spr_val; break;
+ vcpu_e500->hid0 = spr_val;
+ break;
case SPRN_HID1:
- vcpu_e500->hid1 = spr_val; break;
+ vcpu_e500->hid1 = spr_val;
+ break;
case SPRN_MMUCSR0:
emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
@@ -135,81 +216,112 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_IVOR35:
vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
break;
-
+#ifdef CONFIG_KVM_BOOKE_HV
+ case SPRN_IVOR36:
+ vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL] = spr_val;
+ break;
+ case SPRN_IVOR37:
+ vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT] = spr_val;
+ break;
+#endif
default:
- emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
+ emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, spr_val);
}
return emulated;
}
-int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
+int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
{
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
int emulated = EMULATE_DONE;
- unsigned long val;
switch (sprn) {
+#ifndef CONFIG_KVM_BOOKE_HV
case SPRN_PID:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
+ *spr_val = vcpu_e500->pid[0];
+ break;
case SPRN_PID1:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
+ *spr_val = vcpu_e500->pid[1];
+ break;
case SPRN_PID2:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
+ *spr_val = vcpu_e500->pid[2];
+ break;
case SPRN_MAS0:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
+ *spr_val = vcpu->arch.shared->mas0;
+ break;
case SPRN_MAS1:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
+ *spr_val = vcpu->arch.shared->mas1;
+ break;
case SPRN_MAS2:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
+ *spr_val = vcpu->arch.shared->mas2;
+ break;
case SPRN_MAS3:
- val = (u32)vcpu->arch.shared->mas7_3;
- kvmppc_set_gpr(vcpu, rt, val);
+ *spr_val = (u32)vcpu->arch.shared->mas7_3;
break;
case SPRN_MAS4:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
+ *spr_val = vcpu->arch.shared->mas4;
+ break;
case SPRN_MAS6:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
+ *spr_val = vcpu->arch.shared->mas6;
+ break;
case SPRN_MAS7:
- val = vcpu->arch.shared->mas7_3 >> 32;
- kvmppc_set_gpr(vcpu, rt, val);
+ *spr_val = vcpu->arch.shared->mas7_3 >> 32;
break;
+#endif
case SPRN_TLB0CFG:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;
+ *spr_val = vcpu->arch.tlbcfg[0];
+ break;
case SPRN_TLB1CFG:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break;
+ *spr_val = vcpu->arch.tlbcfg[1];
+ break;
case SPRN_L1CSR0:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
+ *spr_val = vcpu_e500->l1csr0;
+ break;
case SPRN_L1CSR1:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
+ *spr_val = vcpu_e500->l1csr1;
+ break;
case SPRN_HID0:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
+ *spr_val = vcpu_e500->hid0;
+ break;
case SPRN_HID1:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
+ *spr_val = vcpu_e500->hid1;
+ break;
case SPRN_SVR:
- kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
+ *spr_val = vcpu_e500->svr;
+ break;
case SPRN_MMUCSR0:
- kvmppc_set_gpr(vcpu, rt, 0); break;
+ *spr_val = 0;
+ break;
case SPRN_MMUCFG:
- kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break;
+ *spr_val = vcpu->arch.mmucfg;
+ break;
/* extra exceptions */
case SPRN_IVOR32:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
break;
case SPRN_IVOR33:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
break;
case SPRN_IVOR34:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
break;
case SPRN_IVOR35:
- kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
+ break;
+#ifdef CONFIG_KVM_BOOKE_HV
+ case SPRN_IVOR36:
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL];
+ break;
+ case SPRN_IVOR37:
+ *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT];
break;
+#endif
default:
- emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
+ emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, spr_val);
}
return emulated;
generated by cgit (git 2.34.1) at 2024-05-02 18:37:47 +0000