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path: root/arch/mips/kvm/kvm_mips_emul.c
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Diffstat (limited to 'arch/mips/kvm/kvm_mips_emul.c')
-rw-r--r--arch/mips/kvm/kvm_mips_emul.c107
1 files changed, 52 insertions, 55 deletions
diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c
index 9ec9f1d54b9b..bdd1421b78fc 100644
--- a/arch/mips/kvm/kvm_mips_emul.c
+++ b/arch/mips/kvm/kvm_mips_emul.c
@@ -183,18 +183,18 @@ unsigned long kvm_compute_return_epc(struct kvm_vcpu *vcpu,
/* And now the FPA/cp1 branch instructions. */
case cop1_op:
- printk("%s: unsupported cop1_op\n", __func__);
+ kvm_err("%s: unsupported cop1_op\n", __func__);
break;
}
return nextpc;
unaligned:
- printk("%s: unaligned epc\n", __func__);
+ kvm_err("%s: unaligned epc\n", __func__);
return nextpc;
sigill:
- printk("%s: DSP branch but not DSP ASE\n", __func__);
+ kvm_err("%s: DSP branch but not DSP ASE\n", __func__);
return nextpc;
}
@@ -751,8 +751,8 @@ enum emulation_result kvm_mips_emul_eret(struct kvm_vcpu *vcpu)
kvm_clear_c0_guest_status(cop0, ST0_ERL);
vcpu->arch.pc = kvm_read_c0_guest_errorepc(cop0);
} else {
- printk("[%#lx] ERET when MIPS_SR_EXL|MIPS_SR_ERL == 0\n",
- vcpu->arch.pc);
+ kvm_err("[%#lx] ERET when MIPS_SR_EXL|MIPS_SR_ERL == 0\n",
+ vcpu->arch.pc);
er = EMULATE_FAIL;
}
@@ -795,7 +795,7 @@ enum emulation_result kvm_mips_emul_tlbr(struct kvm_vcpu *vcpu)
enum emulation_result er = EMULATE_FAIL;
uint32_t pc = vcpu->arch.pc;
- printk("[%#x] COP0_TLBR [%ld]\n", pc, kvm_read_c0_guest_index(cop0));
+ kvm_err("[%#x] COP0_TLBR [%ld]\n", pc, kvm_read_c0_guest_index(cop0));
return er;
}
@@ -809,13 +809,12 @@ enum emulation_result kvm_mips_emul_tlbwi(struct kvm_vcpu *vcpu)
uint32_t pc = vcpu->arch.pc;
if (index < 0 || index >= KVM_MIPS_GUEST_TLB_SIZE) {
- printk("%s: illegal index: %d\n", __func__, index);
- printk
- ("[%#x] COP0_TLBWI [%d] (entryhi: %#lx, entrylo0: %#lx entrylo1: %#lx, mask: %#lx)\n",
- pc, index, kvm_read_c0_guest_entryhi(cop0),
- kvm_read_c0_guest_entrylo0(cop0),
- kvm_read_c0_guest_entrylo1(cop0),
- kvm_read_c0_guest_pagemask(cop0));
+ kvm_debug("%s: illegal index: %d\n", __func__, index);
+ kvm_debug("[%#x] COP0_TLBWI [%d] (entryhi: %#lx, entrylo0: %#lx entrylo1: %#lx, mask: %#lx)\n",
+ pc, index, kvm_read_c0_guest_entryhi(cop0),
+ kvm_read_c0_guest_entrylo0(cop0),
+ kvm_read_c0_guest_entrylo1(cop0),
+ kvm_read_c0_guest_pagemask(cop0));
index = (index & ~0x80000000) % KVM_MIPS_GUEST_TLB_SIZE;
}
@@ -853,7 +852,7 @@ enum emulation_result kvm_mips_emul_tlbwr(struct kvm_vcpu *vcpu)
index &= (KVM_MIPS_GUEST_TLB_SIZE - 1);
if (index < 0 || index >= KVM_MIPS_GUEST_TLB_SIZE) {
- printk("%s: illegal index: %d\n", __func__, index);
+ kvm_err("%s: illegal index: %d\n", __func__, index);
return EMULATE_FAIL;
}
@@ -938,7 +937,7 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
er = kvm_mips_emul_tlbp(vcpu);
break;
case rfe_op:
- printk("!!!COP0_RFE!!!\n");
+ kvm_err("!!!COP0_RFE!!!\n");
break;
case eret_op:
er = kvm_mips_emul_eret(vcpu);
@@ -987,8 +986,8 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
if ((rd == MIPS_CP0_TLB_INDEX)
&& (vcpu->arch.gprs[rt] >=
KVM_MIPS_GUEST_TLB_SIZE)) {
- printk("Invalid TLB Index: %ld",
- vcpu->arch.gprs[rt]);
+ kvm_err("Invalid TLB Index: %ld",
+ vcpu->arch.gprs[rt]);
er = EMULATE_FAIL;
break;
}
@@ -998,8 +997,8 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
kvm_change_c0_guest_ebase(cop0,
~(C0_EBASE_CORE_MASK),
vcpu->arch.gprs[rt]);
- printk("MTCz, cop0->reg[EBASE]: %#lx\n",
- kvm_read_c0_guest_ebase(cop0));
+ kvm_err("MTCz, cop0->reg[EBASE]: %#lx\n",
+ kvm_read_c0_guest_ebase(cop0));
} else if (rd == MIPS_CP0_TLB_HI && sel == 0) {
uint32_t nasid =
vcpu->arch.gprs[rt] & ASID_MASK;
@@ -1072,9 +1071,8 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
break;
case dmtc_op:
- printk
- ("!!!!!!![%#lx]dmtc_op: rt: %d, rd: %d, sel: %d!!!!!!\n",
- vcpu->arch.pc, rt, rd, sel);
+ kvm_err("!!!!!!![%#lx]dmtc_op: rt: %d, rd: %d, sel: %d!!!!!!\n",
+ vcpu->arch.pc, rt, rd, sel);
er = EMULATE_FAIL;
break;
@@ -1119,9 +1117,8 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
}
break;
default:
- printk
- ("[%#lx]MachEmulateCP0: unsupported COP0, copz: 0x%x\n",
- vcpu->arch.pc, copz);
+ kvm_err("[%#lx]MachEmulateCP0: unsupported COP0, copz: 0x%x\n",
+ vcpu->arch.pc, copz);
er = EMULATE_FAIL;
break;
}
@@ -1242,7 +1239,7 @@ enum emulation_result kvm_mips_emulate_store(uint32_t inst, uint32_t cause,
break;
default:
- printk("Store not yet supported");
+ kvm_err("Store not yet supported");
er = EMULATE_FAIL;
break;
}
@@ -1351,7 +1348,7 @@ enum emulation_result kvm_mips_emulate_load(uint32_t inst, uint32_t cause,
break;
default:
- printk("Load not yet supported");
+ kvm_err("Load not yet supported");
er = EMULATE_FAIL;
break;
}
@@ -1370,7 +1367,7 @@ int kvm_mips_sync_icache(unsigned long va, struct kvm_vcpu *vcpu)
gfn = va >> PAGE_SHIFT;
if (gfn >= kvm->arch.guest_pmap_npages) {
- printk("%s: Invalid gfn: %#llx\n", __func__, gfn);
+ kvm_err("%s: Invalid gfn: %#llx\n", __func__, gfn);
kvm_mips_dump_host_tlbs();
kvm_arch_vcpu_dump_regs(vcpu);
return -1;
@@ -1378,7 +1375,8 @@ int kvm_mips_sync_icache(unsigned long va, struct kvm_vcpu *vcpu)
pfn = kvm->arch.guest_pmap[gfn];
pa = (pfn << PAGE_SHIFT) | offset;
- printk("%s: va: %#lx, unmapped: %#x\n", __func__, va, CKSEG0ADDR(pa));
+ kvm_debug("%s: va: %#lx, unmapped: %#x\n", __func__, va,
+ CKSEG0ADDR(pa));
local_flush_icache_range(CKSEG0ADDR(pa), 32);
return 0;
@@ -1444,8 +1442,8 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
else if (cache == MIPS_CACHE_ICACHE)
r4k_blast_icache();
else {
- printk("%s: unsupported CACHE INDEX operation\n",
- __func__);
+ kvm_err("%s: unsupported CACHE INDEX operation\n",
+ __func__);
return EMULATE_FAIL;
}
@@ -1504,9 +1502,8 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,
}
}
} else {
- printk
- ("INVALID CACHE INDEX/ADDRESS (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
- cache, op, base, arch->gprs[base], offset);
+ kvm_err("INVALID CACHE INDEX/ADDRESS (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
+ cache, op, base, arch->gprs[base], offset);
er = EMULATE_FAIL;
preempt_enable();
goto dont_update_pc;
@@ -1536,9 +1533,8 @@ skip_fault:
kvm_mips_trans_cache_va(inst, opc, vcpu);
#endif
} else {
- printk
- ("NO-OP CACHE (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
- cache, op, base, arch->gprs[base], offset);
+ kvm_err("NO-OP CACHE (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
+ cache, op, base, arch->gprs[base], offset);
er = EMULATE_FAIL;
preempt_enable();
goto dont_update_pc;
@@ -1590,8 +1586,8 @@ enum emulation_result kvm_mips_emulate_inst(unsigned long cause, uint32_t *opc,
break;
default:
- printk("Instruction emulation not supported (%p/%#x)\n", opc,
- inst);
+ kvm_err("Instruction emulation not supported (%p/%#x)\n", opc,
+ inst);
kvm_arch_vcpu_dump_regs(vcpu);
er = EMULATE_FAIL;
break;
@@ -1628,7 +1624,7 @@ enum emulation_result kvm_mips_emulate_syscall(unsigned long cause,
arch->pc = KVM_GUEST_KSEG0 + 0x180;
} else {
- printk("Trying to deliver SYSCALL when EXL is already set\n");
+ kvm_err("Trying to deliver SYSCALL when EXL is already set\n");
er = EMULATE_FAIL;
}
@@ -1984,7 +1980,7 @@ enum emulation_result kvm_mips_emulate_bp_exc(unsigned long cause,
arch->pc = KVM_GUEST_KSEG0 + 0x180;
} else {
- printk("Trying to deliver BP when EXL is already set\n");
+ kvm_err("Trying to deliver BP when EXL is already set\n");
er = EMULATE_FAIL;
}
@@ -2032,7 +2028,7 @@ enum emulation_result kvm_mips_handle_ri(unsigned long cause, uint32_t *opc,
inst = kvm_get_inst(opc, vcpu);
if (inst == KVM_INVALID_INST) {
- printk("%s: Cannot get inst @ %p\n", __func__, opc);
+ kvm_err("%s: Cannot get inst @ %p\n", __func__, opc);
return EMULATE_FAIL;
}
@@ -2099,7 +2095,7 @@ enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
unsigned long curr_pc;
if (run->mmio.len > sizeof(*gpr)) {
- printk("Bad MMIO length: %d", run->mmio.len);
+ kvm_err("Bad MMIO length: %d", run->mmio.len);
er = EMULATE_FAIL;
goto done;
}
@@ -2173,7 +2169,7 @@ static enum emulation_result kvm_mips_emulate_exc(unsigned long cause,
exccode, kvm_read_c0_guest_epc(cop0),
kvm_read_c0_guest_badvaddr(cop0));
} else {
- printk("Trying to deliver EXC when EXL is already set\n");
+ kvm_err("Trying to deliver EXC when EXL is already set\n");
er = EMULATE_FAIL;
}
@@ -2213,8 +2209,8 @@ enum emulation_result kvm_mips_check_privilege(unsigned long cause,
* address error exception to the guest
*/
if (badvaddr >= (unsigned long) KVM_GUEST_KSEG0) {
- printk("%s: LD MISS @ %#lx\n", __func__,
- badvaddr);
+ kvm_debug("%s: LD MISS @ %#lx\n", __func__,
+ badvaddr);
cause &= ~0xff;
cause |= (T_ADDR_ERR_LD << CAUSEB_EXCCODE);
er = EMULATE_PRIV_FAIL;
@@ -2227,8 +2223,8 @@ enum emulation_result kvm_mips_check_privilege(unsigned long cause,
* address error exception to the guest
*/
if (badvaddr >= (unsigned long) KVM_GUEST_KSEG0) {
- printk("%s: ST MISS @ %#lx\n", __func__,
- badvaddr);
+ kvm_debug("%s: ST MISS @ %#lx\n", __func__,
+ badvaddr);
cause &= ~0xff;
cause |= (T_ADDR_ERR_ST << CAUSEB_EXCCODE);
er = EMULATE_PRIV_FAIL;
@@ -2236,8 +2232,8 @@ enum emulation_result kvm_mips_check_privilege(unsigned long cause,
break;
case T_ADDR_ERR_ST:
- printk("%s: address error ST @ %#lx\n", __func__,
- badvaddr);
+ kvm_debug("%s: address error ST @ %#lx\n", __func__,
+ badvaddr);
if ((badvaddr & PAGE_MASK) == KVM_GUEST_COMMPAGE_ADDR) {
cause &= ~0xff;
cause |= (T_TLB_ST_MISS << CAUSEB_EXCCODE);
@@ -2245,8 +2241,8 @@ enum emulation_result kvm_mips_check_privilege(unsigned long cause,
er = EMULATE_PRIV_FAIL;
break;
case T_ADDR_ERR_LD:
- printk("%s: address error LD @ %#lx\n", __func__,
- badvaddr);
+ kvm_debug("%s: address error LD @ %#lx\n", __func__,
+ badvaddr);
if ((badvaddr & PAGE_MASK) == KVM_GUEST_COMMPAGE_ADDR) {
cause &= ~0xff;
cause |= (T_TLB_LD_MISS << CAUSEB_EXCCODE);
@@ -2301,7 +2297,8 @@ enum emulation_result kvm_mips_handle_tlbmiss(unsigned long cause,
} else if (exccode == T_TLB_ST_MISS) {
er = kvm_mips_emulate_tlbmiss_st(cause, opc, run, vcpu);
} else {
- printk("%s: invalid exc code: %d\n", __func__, exccode);
+ kvm_err("%s: invalid exc code: %d\n", __func__,
+ exccode);
er = EMULATE_FAIL;
}
} else {
@@ -2319,8 +2316,8 @@ enum emulation_result kvm_mips_handle_tlbmiss(unsigned long cause,
er = kvm_mips_emulate_tlbinv_st(cause, opc, run,
vcpu);
} else {
- printk("%s: invalid exc code: %d\n", __func__,
- exccode);
+ kvm_err("%s: invalid exc code: %d\n", __func__,
+ exccode);
er = EMULATE_FAIL;
}
} else {
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