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---
r: 133702
b: refs/heads/master
c: bb3a8a1
h: refs/heads/master
v: v3
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Hollis Blanchard authored and Avi Kivity committed Mar 24, 2009
1 parent 4d840c3 commit 7da0045
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Showing 8 changed files with 93 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: bdc89f13ec955c14777d5caf02dfca3f51d639bd
refs/heads/master: bb3a8a178dec1e46df3138a30f76acf67fe12397
7 changes: 6 additions & 1 deletion trunk/arch/powerpc/include/asm/kvm_asm.h
Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,12 @@
#define BOOKE_INTERRUPT_DTLB_MISS 13
#define BOOKE_INTERRUPT_ITLB_MISS 14
#define BOOKE_INTERRUPT_DEBUG 15
#define BOOKE_MAX_INTERRUPT 15

/* E500 */
#define BOOKE_INTERRUPT_SPE_UNAVAIL 32
#define BOOKE_INTERRUPT_SPE_FP_DATA 33
#define BOOKE_INTERRUPT_SPE_FP_ROUND 34
#define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35

#define RESUME_FLAG_NV (1<<0) /* Reload guest nonvolatile state? */
#define RESUME_FLAG_HOST (1<<1) /* Resume host? */
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2 changes: 1 addition & 1 deletion trunk/arch/powerpc/include/asm/kvm_host.h
Original file line number Diff line number Diff line change
Expand Up @@ -150,7 +150,7 @@ struct kvm_vcpu_arch {
u32 tbu;
u32 tcr;
u32 tsr;
u32 ivor[16];
u32 ivor[64];
ulong ivpr;
u32 pir;

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18 changes: 18 additions & 0 deletions trunk/arch/powerpc/kvm/booke.c
Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,9 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
case BOOKE_IRQPRIO_DATA_STORAGE:
case BOOKE_IRQPRIO_INST_STORAGE:
case BOOKE_IRQPRIO_FP_UNAVAIL:
case BOOKE_IRQPRIO_SPE_UNAVAIL:
case BOOKE_IRQPRIO_SPE_FP_DATA:
case BOOKE_IRQPRIO_SPE_FP_ROUND:
case BOOKE_IRQPRIO_AP_UNAVAIL:
case BOOKE_IRQPRIO_ALIGNMENT:
allowed = 1;
Expand Down Expand Up @@ -261,6 +264,21 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
r = RESUME_GUEST;
break;

case BOOKE_INTERRUPT_SPE_UNAVAIL:
kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SPE_UNAVAIL);
r = RESUME_GUEST;
break;

case BOOKE_INTERRUPT_SPE_FP_DATA:
kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SPE_FP_DATA);
r = RESUME_GUEST;
break;

case BOOKE_INTERRUPT_SPE_FP_ROUND:
kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_SPE_FP_ROUND);
r = RESUME_GUEST;
break;

case BOOKE_INTERRUPT_DATA_STORAGE:
vcpu->arch.dear = vcpu->arch.fault_dear;
vcpu->arch.esr = vcpu->arch.fault_esr;
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30 changes: 18 additions & 12 deletions trunk/arch/powerpc/kvm/booke.h
Original file line number Diff line number Diff line change
Expand Up @@ -31,18 +31,24 @@
#define BOOKE_IRQPRIO_ALIGNMENT 2
#define BOOKE_IRQPRIO_PROGRAM 3
#define BOOKE_IRQPRIO_FP_UNAVAIL 4
#define BOOKE_IRQPRIO_SYSCALL 5
#define BOOKE_IRQPRIO_AP_UNAVAIL 6
#define BOOKE_IRQPRIO_DTLB_MISS 7
#define BOOKE_IRQPRIO_ITLB_MISS 8
#define BOOKE_IRQPRIO_MACHINE_CHECK 9
#define BOOKE_IRQPRIO_DEBUG 10
#define BOOKE_IRQPRIO_CRITICAL 11
#define BOOKE_IRQPRIO_WATCHDOG 12
#define BOOKE_IRQPRIO_EXTERNAL 13
#define BOOKE_IRQPRIO_FIT 14
#define BOOKE_IRQPRIO_DECREMENTER 15
#define BOOKE_IRQPRIO_MAX 15
#define BOOKE_IRQPRIO_SPE_UNAVAIL 5
#define BOOKE_IRQPRIO_SPE_FP_DATA 6
#define BOOKE_IRQPRIO_SPE_FP_ROUND 7
#define BOOKE_IRQPRIO_SYSCALL 8
#define BOOKE_IRQPRIO_AP_UNAVAIL 9
#define BOOKE_IRQPRIO_DTLB_MISS 10
#define BOOKE_IRQPRIO_ITLB_MISS 11
#define BOOKE_IRQPRIO_MACHINE_CHECK 12
#define BOOKE_IRQPRIO_DEBUG 13
#define BOOKE_IRQPRIO_CRITICAL 14
#define BOOKE_IRQPRIO_WATCHDOG 15
#define BOOKE_IRQPRIO_EXTERNAL 16
#define BOOKE_IRQPRIO_FIT 17
#define BOOKE_IRQPRIO_DECREMENTER 18
#define BOOKE_IRQPRIO_PERFORMANCE_MONITOR 19
#define BOOKE_IRQPRIO_MAX 19

extern unsigned long kvmppc_booke_handlers;

/* Helper function for "full" MSR writes. No need to call this if only EE is
* changing. */
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3 changes: 3 additions & 0 deletions trunk/arch/powerpc/kvm/booke_interrupts.S
Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,9 @@ KVM_HANDLER BOOKE_INTERRUPT_WATCHDOG
KVM_HANDLER BOOKE_INTERRUPT_DTLB_MISS
KVM_HANDLER BOOKE_INTERRUPT_ITLB_MISS
KVM_HANDLER BOOKE_INTERRUPT_DEBUG
KVM_HANDLER BOOKE_INTERRUPT_SPE_UNAVAIL
KVM_HANDLER BOOKE_INTERRUPT_SPE_FP_DATA
KVM_HANDLER BOOKE_INTERRUPT_SPE_FP_ROUND

_GLOBAL(kvmppc_handler_len)
.long kvmppc_handler_1 - kvmppc_handler_0
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20 changes: 19 additions & 1 deletion trunk/arch/powerpc/kvm/e500.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include <asm/kvm_e500.h>
#include <asm/kvm_ppc.h>

#include "booke.h"
#include "e500_tlb.h"

void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu)
Expand Down Expand Up @@ -133,12 +134,29 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)

static int kvmppc_e500_init(void)
{
int r;
int r, i;
unsigned long ivor[3];
unsigned long max_ivor = 0;

r = kvmppc_booke_init();
if (r)
return r;

/* copy extra E500 exception handlers */
ivor[0] = mfspr(SPRN_IVOR32);
ivor[1] = mfspr(SPRN_IVOR33);
ivor[2] = mfspr(SPRN_IVOR34);
for (i = 0; i < 3; i++) {
if (ivor[i] > max_ivor)
max_ivor = ivor[i];

memcpy((void *)kvmppc_booke_handlers + ivor[i],
kvmppc_handlers_start + (i + 16) * kvmppc_handler_len,
kvmppc_handler_len);
}
flush_icache_range(kvmppc_booke_handlers,
kvmppc_booke_handlers + max_ivor + kvmppc_handler_len);

return kvm_init(NULL, sizeof(struct kvmppc_vcpu_e500), THIS_MODULE);
}

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27 changes: 27 additions & 0 deletions trunk/arch/powerpc/kvm/e500_emulate.c
Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,20 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
case SPRN_HID1:
vcpu_e500->hid1 = vcpu->arch.gpr[rs]; break;

/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = vcpu->arch.gpr[rs];
break;
case SPRN_IVOR33:
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = vcpu->arch.gpr[rs];
break;
case SPRN_IVOR34:
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = vcpu->arch.gpr[rs];
break;
case SPRN_IVOR35:
vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = vcpu->arch.gpr[rs];
break;

default:
emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
}
Expand Down Expand Up @@ -160,6 +174,19 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
case SPRN_HID1:
vcpu->arch.gpr[rt] = vcpu_e500->hid1; break;

/* extra exceptions */
case SPRN_IVOR32:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
break;
case SPRN_IVOR33:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
break;
case SPRN_IVOR34:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
break;
case SPRN_IVOR35:
vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
break;
default:
emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
}
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