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yaml
---
r: 185982
b: refs/heads/master
c: 8e5b26b
h: refs/heads/master
v: v3
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Alexander Graf authored and Marcelo Tosatti committed Mar 1, 2010
1 parent 964448d commit 7259b66
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Showing 12 changed files with 275 additions and 226 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: 0d178975d0a5afe5e0fd3211bd1397905b225be5
refs/heads/master: 8e5b26b55a8b6aee2c789b1d20ec715f9e4bea5c
26 changes: 26 additions & 0 deletions trunk/arch/powerpc/include/asm/kvm_ppc.h
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Expand Up @@ -96,4 +96,30 @@ extern void kvmppc_booke_exit(void);

extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);

#ifdef CONFIG_PPC_BOOK3S

static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
{
vcpu->arch.gpr[num] = val;
}

static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
{
return vcpu->arch.gpr[num];
}

#else

static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
{
vcpu->arch.gpr[num] = val;
}

static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
{
return vcpu->arch.gpr[num];
}

#endif

#endif /* __POWERPC_KVM_PPC_H__ */
25 changes: 13 additions & 12 deletions trunk/arch/powerpc/kvm/44x_emulate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -65,13 +65,14 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
*/
switch (dcrn) {
case DCRN_CPR0_CONFIG_ADDR:
vcpu->arch.gpr[rt] = vcpu->arch.cpr0_cfgaddr;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.cpr0_cfgaddr);
break;
case DCRN_CPR0_CONFIG_DATA:
local_irq_disable();
mtdcr(DCRN_CPR0_CONFIG_ADDR,
vcpu->arch.cpr0_cfgaddr);
vcpu->arch.gpr[rt] = mfdcr(DCRN_CPR0_CONFIG_DATA);
kvmppc_set_gpr(vcpu, rt,
mfdcr(DCRN_CPR0_CONFIG_DATA));
local_irq_enable();
break;
default:
Expand All @@ -93,11 +94,11 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
/* emulate some access in kernel */
switch (dcrn) {
case DCRN_CPR0_CONFIG_ADDR:
vcpu->arch.cpr0_cfgaddr = vcpu->arch.gpr[rs];
vcpu->arch.cpr0_cfgaddr = kvmppc_get_gpr(vcpu, rs);
break;
default:
run->dcr.dcrn = dcrn;
run->dcr.data = vcpu->arch.gpr[rs];
run->dcr.data = kvmppc_get_gpr(vcpu, rs);
run->dcr.is_write = 1;
vcpu->arch.dcr_needed = 1;
kvmppc_account_exit(vcpu, DCR_EXITS);
Expand Down Expand Up @@ -146,13 +147,13 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)

switch (sprn) {
case SPRN_PID:
kvmppc_set_pid(vcpu, vcpu->arch.gpr[rs]); break;
kvmppc_set_pid(vcpu, kvmppc_get_gpr(vcpu, rs)); break;
case SPRN_MMUCR:
vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break;
vcpu->arch.mmucr = kvmppc_get_gpr(vcpu, rs); break;
case SPRN_CCR0:
vcpu->arch.ccr0 = vcpu->arch.gpr[rs]; break;
vcpu->arch.ccr0 = kvmppc_get_gpr(vcpu, rs); break;
case SPRN_CCR1:
vcpu->arch.ccr1 = vcpu->arch.gpr[rs]; break;
vcpu->arch.ccr1 = kvmppc_get_gpr(vcpu, rs); break;
default:
emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
}
Expand All @@ -167,13 +168,13 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)

switch (sprn) {
case SPRN_PID:
vcpu->arch.gpr[rt] = vcpu->arch.pid; break;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.pid); break;
case SPRN_MMUCR:
vcpu->arch.gpr[rt] = vcpu->arch.mmucr; break;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucr); break;
case SPRN_CCR0:
vcpu->arch.gpr[rt] = vcpu->arch.ccr0; break;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.ccr0); break;
case SPRN_CCR1:
vcpu->arch.gpr[rt] = vcpu->arch.ccr1; break;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.ccr1); break;
default:
emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
}
Expand Down
14 changes: 7 additions & 7 deletions trunk/arch/powerpc/kvm/44x_tlb.c
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Original file line number Diff line number Diff line change
Expand Up @@ -439,7 +439,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
struct kvmppc_44x_tlbe *tlbe;
unsigned int gtlb_index;

gtlb_index = vcpu->arch.gpr[ra];
gtlb_index = kvmppc_get_gpr(vcpu, ra);
if (gtlb_index > KVM44x_GUEST_TLB_SIZE) {
printk("%s: index %d\n", __func__, gtlb_index);
kvmppc_dump_vcpu(vcpu);
Expand All @@ -455,15 +455,15 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
switch (ws) {
case PPC44x_TLB_PAGEID:
tlbe->tid = get_mmucr_stid(vcpu);
tlbe->word0 = vcpu->arch.gpr[rs];
tlbe->word0 = kvmppc_get_gpr(vcpu, rs);
break;

case PPC44x_TLB_XLAT:
tlbe->word1 = vcpu->arch.gpr[rs];
tlbe->word1 = kvmppc_get_gpr(vcpu, rs);
break;

case PPC44x_TLB_ATTRIB:
tlbe->word2 = vcpu->arch.gpr[rs];
tlbe->word2 = kvmppc_get_gpr(vcpu, rs);
break;

default:
Expand Down Expand Up @@ -500,9 +500,9 @@ int kvmppc_44x_emul_tlbsx(struct kvm_vcpu *vcpu, u8 rt, u8 ra, u8 rb, u8 rc)
unsigned int as = get_mmucr_sts(vcpu);
unsigned int pid = get_mmucr_stid(vcpu);

ea = vcpu->arch.gpr[rb];
ea = kvmppc_get_gpr(vcpu, rb);
if (ra)
ea += vcpu->arch.gpr[ra];
ea += kvmppc_get_gpr(vcpu, ra);

gtlb_index = kvmppc_44x_tlb_index(vcpu, ea, pid, as);
if (rc) {
Expand All @@ -511,7 +511,7 @@ int kvmppc_44x_emul_tlbsx(struct kvm_vcpu *vcpu, u8 rt, u8 ra, u8 rb, u8 rc)
else
vcpu->arch.cr |= 0x20000000;
}
vcpu->arch.gpr[rt] = gtlb_index;
kvmppc_set_gpr(vcpu, rt, gtlb_index);

kvmppc_set_exit_type(vcpu, EMULATED_TLBSX_EXITS);
return EMULATE_DONE;
Expand Down
8 changes: 4 additions & 4 deletions trunk/arch/powerpc/kvm/book3s.c
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Original file line number Diff line number Diff line change
Expand Up @@ -658,7 +658,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
}
case BOOK3S_INTERRUPT_SYSCALL:
#ifdef EXIT_DEBUG
printk(KERN_INFO "Syscall Nr %d\n", (int)vcpu->arch.gpr[0]);
printk(KERN_INFO "Syscall Nr %d\n", (int)kvmppc_get_gpr(vcpu, 0));
#endif
vcpu->stat.syscall_exits++;
kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
Expand Down Expand Up @@ -734,7 +734,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
regs->sprg7 = vcpu->arch.sprg6;

for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
regs->gpr[i] = vcpu->arch.gpr[i];
regs->gpr[i] = kvmppc_get_gpr(vcpu, i);

return 0;
}
Expand All @@ -759,8 +759,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
vcpu->arch.sprg6 = regs->sprg5;
vcpu->arch.sprg7 = regs->sprg6;

for (i = 0; i < ARRAY_SIZE(vcpu->arch.gpr); i++)
vcpu->arch.gpr[i] = regs->gpr[i];
for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
kvmppc_set_gpr(vcpu, i, regs->gpr[i]);

return 0;
}
Expand Down
77 changes: 40 additions & 37 deletions trunk/arch/powerpc/kvm/book3s_64_emulate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -65,11 +65,11 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
case 31:
switch (get_xop(inst)) {
case OP_31_XOP_MFMSR:
vcpu->arch.gpr[get_rt(inst)] = vcpu->arch.msr;
kvmppc_set_gpr(vcpu, get_rt(inst), vcpu->arch.msr);
break;
case OP_31_XOP_MTMSRD:
{
ulong rs = vcpu->arch.gpr[get_rs(inst)];
ulong rs = kvmppc_get_gpr(vcpu, get_rs(inst));
if (inst & 0x10000) {
vcpu->arch.msr &= ~(MSR_RI | MSR_EE);
vcpu->arch.msr |= rs & (MSR_RI | MSR_EE);
Expand All @@ -78,30 +78,30 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
break;
}
case OP_31_XOP_MTMSR:
kvmppc_set_msr(vcpu, vcpu->arch.gpr[get_rs(inst)]);
kvmppc_set_msr(vcpu, kvmppc_get_gpr(vcpu, get_rs(inst)));
break;
case OP_31_XOP_MFSRIN:
{
int srnum;

srnum = (vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf;
srnum = (kvmppc_get_gpr(vcpu, get_rb(inst)) >> 28) & 0xf;
if (vcpu->arch.mmu.mfsrin) {
u32 sr;
sr = vcpu->arch.mmu.mfsrin(vcpu, srnum);
vcpu->arch.gpr[get_rt(inst)] = sr;
kvmppc_set_gpr(vcpu, get_rt(inst), sr);
}
break;
}
case OP_31_XOP_MTSRIN:
vcpu->arch.mmu.mtsrin(vcpu,
(vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf,
vcpu->arch.gpr[get_rs(inst)]);
(kvmppc_get_gpr(vcpu, get_rb(inst)) >> 28) & 0xf,
kvmppc_get_gpr(vcpu, get_rs(inst)));
break;
case OP_31_XOP_TLBIE:
case OP_31_XOP_TLBIEL:
{
bool large = (inst & 0x00200000) ? true : false;
ulong addr = vcpu->arch.gpr[get_rb(inst)];
ulong addr = kvmppc_get_gpr(vcpu, get_rb(inst));
vcpu->arch.mmu.tlbie(vcpu, addr, large);
break;
}
Expand All @@ -111,14 +111,16 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
if (!vcpu->arch.mmu.slbmte)
return EMULATE_FAIL;

vcpu->arch.mmu.slbmte(vcpu, vcpu->arch.gpr[get_rs(inst)],
vcpu->arch.gpr[get_rb(inst)]);
vcpu->arch.mmu.slbmte(vcpu,
kvmppc_get_gpr(vcpu, get_rs(inst)),
kvmppc_get_gpr(vcpu, get_rb(inst)));
break;
case OP_31_XOP_SLBIE:
if (!vcpu->arch.mmu.slbie)
return EMULATE_FAIL;

vcpu->arch.mmu.slbie(vcpu, vcpu->arch.gpr[get_rb(inst)]);
vcpu->arch.mmu.slbie(vcpu,
kvmppc_get_gpr(vcpu, get_rb(inst)));
break;
case OP_31_XOP_SLBIA:
if (!vcpu->arch.mmu.slbia)
Expand All @@ -132,9 +134,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
} else {
ulong t, rb;

rb = vcpu->arch.gpr[get_rb(inst)];
rb = kvmppc_get_gpr(vcpu, get_rb(inst));
t = vcpu->arch.mmu.slbmfee(vcpu, rb);
vcpu->arch.gpr[get_rt(inst)] = t;
kvmppc_set_gpr(vcpu, get_rt(inst), t);
}
break;
case OP_31_XOP_SLBMFEV:
Expand All @@ -143,20 +145,20 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
} else {
ulong t, rb;

rb = vcpu->arch.gpr[get_rb(inst)];
rb = kvmppc_get_gpr(vcpu, get_rb(inst));
t = vcpu->arch.mmu.slbmfev(vcpu, rb);
vcpu->arch.gpr[get_rt(inst)] = t;
kvmppc_set_gpr(vcpu, get_rt(inst), t);
}
break;
case OP_31_XOP_DCBZ:
{
ulong rb = vcpu->arch.gpr[get_rb(inst)];
ulong rb = kvmppc_get_gpr(vcpu, get_rb(inst));
ulong ra = 0;
ulong addr;
u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };

if (get_ra(inst))
ra = vcpu->arch.gpr[get_ra(inst)];
ra = kvmppc_get_gpr(vcpu, get_ra(inst));

addr = (ra + rb) & ~31ULL;
if (!(vcpu->arch.msr & MSR_SF))
Expand Down Expand Up @@ -233,43 +235,44 @@ static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val)
int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
{
int emulated = EMULATE_DONE;
ulong spr_val = kvmppc_get_gpr(vcpu, rs);

switch (sprn) {
case SPRN_SDR1:
to_book3s(vcpu)->sdr1 = vcpu->arch.gpr[rs];
to_book3s(vcpu)->sdr1 = spr_val;
break;
case SPRN_DSISR:
to_book3s(vcpu)->dsisr = vcpu->arch.gpr[rs];
to_book3s(vcpu)->dsisr = spr_val;
break;
case SPRN_DAR:
vcpu->arch.dear = vcpu->arch.gpr[rs];
vcpu->arch.dear = spr_val;
break;
case SPRN_HIOR:
to_book3s(vcpu)->hior = vcpu->arch.gpr[rs];
to_book3s(vcpu)->hior = spr_val;
break;
case SPRN_IBAT0U ... SPRN_IBAT3L:
case SPRN_IBAT4U ... SPRN_IBAT7L:
case SPRN_DBAT0U ... SPRN_DBAT3L:
case SPRN_DBAT4U ... SPRN_DBAT7L:
kvmppc_write_bat(vcpu, sprn, (u32)vcpu->arch.gpr[rs]);
kvmppc_write_bat(vcpu, sprn, (u32)spr_val);
/* BAT writes happen so rarely that we're ok to flush
* everything here */
kvmppc_mmu_pte_flush(vcpu, 0, 0);
break;
case SPRN_HID0:
to_book3s(vcpu)->hid[0] = vcpu->arch.gpr[rs];
to_book3s(vcpu)->hid[0] = spr_val;
break;
case SPRN_HID1:
to_book3s(vcpu)->hid[1] = vcpu->arch.gpr[rs];
to_book3s(vcpu)->hid[1] = spr_val;
break;
case SPRN_HID2:
to_book3s(vcpu)->hid[2] = vcpu->arch.gpr[rs];
to_book3s(vcpu)->hid[2] = spr_val;
break;
case SPRN_HID4:
to_book3s(vcpu)->hid[4] = vcpu->arch.gpr[rs];
to_book3s(vcpu)->hid[4] = spr_val;
break;
case SPRN_HID5:
to_book3s(vcpu)->hid[5] = vcpu->arch.gpr[rs];
to_book3s(vcpu)->hid[5] = spr_val;
/* guest HID5 set can change is_dcbz32 */
if (vcpu->arch.mmu.is_dcbz32(vcpu) &&
(mfmsr() & MSR_HV))
Expand Down Expand Up @@ -299,38 +302,38 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)

switch (sprn) {
case SPRN_SDR1:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->sdr1;
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->sdr1);
break;
case SPRN_DSISR:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->dsisr;
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->dsisr);
break;
case SPRN_DAR:
vcpu->arch.gpr[rt] = vcpu->arch.dear;
kvmppc_set_gpr(vcpu, rt, vcpu->arch.dear);
break;
case SPRN_HIOR:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->hior;
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hior);
break;
case SPRN_HID0:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[0];
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[0]);
break;
case SPRN_HID1:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[1];
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[1]);
break;
case SPRN_HID2:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[2];
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[2]);
break;
case SPRN_HID4:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[4];
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[4]);
break;
case SPRN_HID5:
vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[5];
kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]);
break;
case SPRN_THRM1:
case SPRN_THRM2:
case SPRN_THRM3:
case SPRN_CTRLF:
case SPRN_CTRLT:
vcpu->arch.gpr[rt] = 0;
kvmppc_set_gpr(vcpu, rt, 0);
break;
default:
printk(KERN_INFO "KVM: invalid SPR read: %d\n", sprn);
Expand Down
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