summaryrefslogtreecommitdiffstats
path: root/arch/mips/kvm
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2013-05-09 17:57:30 +0200
committerRalf Baechle <ralf@linux-mips.org>2013-05-09 17:57:30 +0200
commitb22d1b6a91ca4260f869e349179ae53f18c664db (patch)
tree6ac6c2bd202100727638f02ae5037ec78144e8d5 /arch/mips/kvm
parent5e0e61dd2c89c673f89fb57dcd3cc746dc0c1706 (diff)
parent0ab2b7d08ea7226dc72ff0f8c05f470566facf7c (diff)
downloadop-kernel-dev-b22d1b6a91ca4260f869e349179ae53f18c664db.zip
op-kernel-dev-b22d1b6a91ca4260f869e349179ae53f18c664db.tar.gz
Merge branch 'mti-next' of git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next
Diffstat (limited to 'arch/mips/kvm')
-rw-r--r--arch/mips/kvm/kvm_mips_emul.c29
-rw-r--r--arch/mips/kvm/kvm_tlb.c26
2 files changed, 24 insertions, 31 deletions
diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c
index 4b6274b..2b2bac9 100644
--- a/arch/mips/kvm/kvm_mips_emul.c
+++ b/arch/mips/kvm/kvm_mips_emul.c
@@ -525,18 +525,16 @@ kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc, uint32_t cause,
printk("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;
+ uint32_t nasid = ASID_MASK(vcpu->arch.gprs[rt]);
if ((KSEGX(vcpu->arch.gprs[rt]) != CKSEG0)
&&
- ((kvm_read_c0_guest_entryhi(cop0) &
- ASID_MASK) != nasid)) {
+ (ASID_MASK(kvm_read_c0_guest_entryhi(cop0))
+ != nasid)) {
kvm_debug
("MTCz, change ASID from %#lx to %#lx\n",
- kvm_read_c0_guest_entryhi(cop0) &
- ASID_MASK,
- vcpu->arch.gprs[rt] & ASID_MASK);
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0)),
+ ASID_MASK(vcpu->arch.gprs[rt]));
/* Blow away the shadow host TLBs */
kvm_mips_flush_host_tlb(1);
@@ -988,8 +986,7 @@ kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc, uint32_t cause,
* resulting handler will do the right thing
*/
index = kvm_mips_guest_tlb_lookup(vcpu, (va & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi
- (cop0) & ASID_MASK));
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0)));
if (index < 0) {
vcpu->arch.host_cp0_entryhi = (va & VPN2_MASK);
@@ -1154,7 +1151,7 @@ kvm_mips_emulate_tlbmiss_ld(unsigned long cause, uint32_t *opc,
struct kvm_vcpu_arch *arch = &vcpu->arch;
enum emulation_result er = EMULATE_DONE;
unsigned long entryhi = (vcpu->arch. host_cp0_badvaddr & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
/* save old pc */
@@ -1201,7 +1198,7 @@ kvm_mips_emulate_tlbinv_ld(unsigned long cause, uint32_t *opc,
enum emulation_result er = EMULATE_DONE;
unsigned long entryhi =
(vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
/* save old pc */
@@ -1246,7 +1243,7 @@ kvm_mips_emulate_tlbmiss_st(unsigned long cause, uint32_t *opc,
struct kvm_vcpu_arch *arch = &vcpu->arch;
enum emulation_result er = EMULATE_DONE;
unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
/* save old pc */
@@ -1290,7 +1287,7 @@ kvm_mips_emulate_tlbinv_st(unsigned long cause, uint32_t *opc,
struct kvm_vcpu_arch *arch = &vcpu->arch;
enum emulation_result er = EMULATE_DONE;
unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
/* save old pc */
@@ -1359,7 +1356,7 @@ kvm_mips_emulate_tlbmod(unsigned long cause, uint32_t *opc,
{
struct mips_coproc *cop0 = vcpu->arch.cop0;
unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK);
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
struct kvm_vcpu_arch *arch = &vcpu->arch;
enum emulation_result er = EMULATE_DONE;
@@ -1786,8 +1783,8 @@ kvm_mips_handle_tlbmiss(unsigned long cause, uint32_t *opc,
*/
index = kvm_mips_guest_tlb_lookup(vcpu,
(va & VPN2_MASK) |
- (kvm_read_c0_guest_entryhi
- (vcpu->arch.cop0) & ASID_MASK));
+ ASID_MASK(kvm_read_c0_guest_entryhi
+ (vcpu->arch.cop0)));
if (index < 0) {
if (exccode == T_TLB_LD_MISS) {
er = kvm_mips_emulate_tlbmiss_ld(cause, opc, run, vcpu);
diff --git a/arch/mips/kvm/kvm_tlb.c b/arch/mips/kvm/kvm_tlb.c
index e3f0d9b..89511a9 100644
--- a/arch/mips/kvm/kvm_tlb.c
+++ b/arch/mips/kvm/kvm_tlb.c
@@ -51,13 +51,13 @@ EXPORT_SYMBOL(kvm_mips_is_error_pfn);
uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu)
{
- return vcpu->arch.guest_kernel_asid[smp_processor_id()] & ASID_MASK;
+ return ASID_MASK(vcpu->arch.guest_kernel_asid[smp_processor_id()]);
}
uint32_t kvm_mips_get_user_asid(struct kvm_vcpu *vcpu)
{
- return vcpu->arch.guest_user_asid[smp_processor_id()] & ASID_MASK;
+ return ASID_MASK(vcpu->arch.guest_user_asid[smp_processor_id()]);
}
inline uint32_t kvm_mips_get_commpage_asid (struct kvm_vcpu *vcpu)
@@ -84,7 +84,7 @@ void kvm_mips_dump_host_tlbs(void)
old_pagemask = read_c0_pagemask();
printk("HOST TLBs:\n");
- printk("ASID: %#lx\n", read_c0_entryhi() & ASID_MASK);
+ printk("ASID: %#lx\n", ASID_MASK(read_c0_entryhi()));
for (i = 0; i < current_cpu_data.tlbsize; i++) {
write_c0_index(i);
@@ -428,7 +428,7 @@ int kvm_mips_guest_tlb_lookup(struct kvm_vcpu *vcpu, unsigned long entryhi)
for (i = 0; i < KVM_MIPS_GUEST_TLB_SIZE; i++) {
if (((TLB_VPN2(tlb[i]) & ~tlb[i].tlb_mask) == ((entryhi & VPN2_MASK) & ~tlb[i].tlb_mask)) &&
- (TLB_IS_GLOBAL(tlb[i]) || (TLB_ASID(tlb[i]) == (entryhi & ASID_MASK)))) {
+ (TLB_IS_GLOBAL(tlb[i]) || (TLB_ASID(tlb[i]) == ASID_MASK(entryhi)))) {
index = i;
break;
}
@@ -626,7 +626,7 @@ kvm_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu,
{
unsigned long asid = asid_cache(cpu);
- if (!((asid += ASID_INC) & ASID_MASK)) {
+ if (!(ASID_MASK(ASID_INC(asid)))) {
if (cpu_has_vtag_icache) {
flush_icache_all();
}
@@ -804,8 +804,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
if (!newasid) {
/* If we preempted while the guest was executing, then reload the pre-empted ASID */
if (current->flags & PF_VCPU) {
- write_c0_entryhi(vcpu->arch.
- preempt_entryhi & ASID_MASK);
+ write_c0_entryhi(ASID_MASK(vcpu->arch.preempt_entryhi));
ehb();
}
} else {
@@ -817,13 +816,11 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
*/
if (current->flags & PF_VCPU) {
if (KVM_GUEST_KERNEL_MODE(vcpu))
- write_c0_entryhi(vcpu->arch.
- guest_kernel_asid[cpu] &
- ASID_MASK);
+ write_c0_entryhi(ASID_MASK(vcpu->arch.
+ guest_kernel_asid[cpu]));
else
- write_c0_entryhi(vcpu->arch.
- guest_user_asid[cpu] &
- ASID_MASK);
+ write_c0_entryhi(ASID_MASK(vcpu->arch.
+ guest_user_asid[cpu]));
ehb();
}
}
@@ -882,8 +879,7 @@ uint32_t kvm_get_inst(uint32_t *opc, struct kvm_vcpu *vcpu)
kvm_mips_guest_tlb_lookup(vcpu,
((unsigned long) opc & VPN2_MASK)
|
- (kvm_read_c0_guest_entryhi
- (cop0) & ASID_MASK));
+ ASID_MASK(kvm_read_c0_guest_entryhi(cop0)));
if (index < 0) {
kvm_err
("%s: get_user_failed for %p, vcpu: %p, ASID: %#lx\n",
OpenPOWER on IntegriCloud