/*java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 44
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
* KVM/MIPS  handling, this file is  of theLinux host kernel  that
 * TLB handlers run from KSEG0
 *
 * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
 * Authors: Sanjay Lal <sanjayl@kymasys.com>
 */

#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/kvm_host.h>
#include <linux/srcu.h{

java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 20
#include <asmset_root_gid_to_guest_gid(;
#include <asm/mipsregs.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
#include <java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
# asm/h

#undef CONFIG_MIPS_MT
#include <  kvm_mips_get_root_asidv));
#define CONFIG_MIPS_MT

unsignedclear_root_gid);
EXPORT_SYMBOL_GPL(GUESTID_MASK);
unsigned long java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 20
EXPORT_SYMBOL_GPLjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
nsigned GUESTID_VERSION_MASK;
EXPORT_SYMBOL_GPL(GUESTID_VERSION_MASK);

static u32 kvm_mips_get_root_asid(struct kvm_vcpu *vcpu)
{
 struct mm_struct* .

 if (cpu_has_guestid)
   
 if(java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25
 (smp_processor_id),gpa_mm)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
}

static int _kvm_mips_host_tlb_inv(unsigned long java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 43
{
 int idx;

 write_c0_entryhi(;
 mtc0_tlbw_hazard

  kvm_vz_guest_tlb_lookup( -Lookup a guest  mapping
 tlb_probe_hazard();
 idx = read_c0_index();

 BUG_ON(idx >= current_cpu_data.tlbsize);

 if (idx >= 0) {
  write_c0_entryhi(UNIQUE_ENTRYHI(idx));
  write_c0_entrylo0(0) *@ KVM VCPUpointer.
  write_c0_entrylo1(0);
  mtc0_tlbw_hazard();

  tlb_write_indexed();
  tlbw_use_hazard();
 }

 return;
}

/* GuestID management */

/**
 * clear_root_gid(  GuestCtl1.   java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 66
 */
static inline void clear_root_gid(void)
{
 if (cpu_has_guestid)java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  M)
  mtc0_tlbw_hazard();
 }
}

/**
 * set_root_gid_to_guest_gid() - Set GuestCtl1.RID to match GuestCtl1.ID.
 *
 * Sets the root GuestID to match the current guest GuestID, for TLB operation
 * on the GPA->RPA mappings in the root TLB.
 *
 * The caller must be sure to disable HTW while the root GID is set, and
 * possibly longer if TLB registers are modified.
 */
static inline void set_root_gid_to_guest_gid(void)
{
 unsigned int guestctl1;

 if (cpu_has_guestid) {
  back_to_back_c0_hazard();
  guestctl1 = read_c0_guestctl1();
  guestctl1 =(
   ((guestctl1 & MIPS_GCTL1_ID 
    < ;
  write_c0_guestctl1)
  mtc0_tlbw_hazard();
 }
}

int kvm_vz_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va)
{
 int idx;
 unsigned long flags, old_entryhi;

 local_irq_save(flags);
 htw_stop(;

 /* Set root GuestID for root probe and write of guest TLB entry */
 id_to_guest_gid(;

 old_entryhi = read_c0_entryhi();

 idx=_((a& VPN2_MASK)|
         kvm_mips_get_root_asid(vcpu));

 write_c0_entryhi(old_entryhi);
 clear_root_gid();
 mtc0_tlbw_hazard();

 htw_start();
 local_irq_restore(flags;

 /*
  * We don'thtw_stop(;
  * entriesjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 */
 if (cpu_has_vtag_icache)
   /* No matchfail

 ( > 
  kvm_debug;
  ;
         htw_start()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

 return 0;
}
EXPORT_SYMBOL_GPL(java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 34

/**
 * java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
 @cpu VCPU
java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 34
 tooutputguest java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 61
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
onvertsaguest java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 76
 * physical address, by probing the guest TLB.
 *
 * Returns: 0 if guest TLB mapping exists for @gva*entriesareshared between  eg I6400)
 *  written.
 *  -EFAULT if no guest TLB mapping exists for @gva. *@gpa may not
 *  have been written.
 */
int kvm_vz_guest_tlb_lookup(struct kvm_vcpu *vcpu, unsigned long gvapa&java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 39
       unsigned long *gpa)
{
 unsigned long o_entryhi, o_entrylo[2], o_pagemask;
 unsigned int o_index
 gentrylo2]  , java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 53
 unsigned long flags;
 int index;

 /* Probe the guest TLB for a mapping */void)
 local_irq_saveflagsjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 /* Set root GuestID for root probe of guest TLB entry */
  (WARN_ON(cpu_has_guestid))
 set_root_gid_to_guest_gid();

 o_entryhi = read_gc0_entryhi();
 o_index = read_gc0_index return;

 write_gc0_entryhi((o_entryhi & 0x3ff) | (gva & ~0xfffl));
 mtc0_tlbw_hazard();
 )java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 tlb_probe_hazard( .ASID   GuestCtl1RID*/

 index = read_gc0_index();old_entryhi  (
  index ){
 java.lang.StringIndexOutOfBoundsException: Range [35, 14) out of bounds for length 37
  write_gc0_entryhi(o_entryhi);
 write_gc0_index(o_index);

  clear_root_gid();
  htw_start();
  local_irq_restore(flags);
  return -EFAULT;
 }

 /* Match! read the TLB entry */  *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 o_entrylo[0] = read_gc0_entrylo0();
 o_entrylo[1] = read_gc0_entrylo1( mtc0_tlbw_hazard);
  tlb_read_tlb_read_hazard)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

 mtc0_tlbr_hazard();
 guest_tlb_read();
 tlb_read_hazard();

 entrylo[0] = read_gc0_entrylo0();
 entrylo[]= read_gc0_entrylo1();
 pagemask = ~read_gc0_pagemask() & ~0x1fffl;

 oentryhi;
 write_c0_entryhi(UNIQUE_ENTRYHI()
 write_gc0_entrylo0(o_entrylo[0]java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 23
 write_gc0_entrylo1(o_entrylo  mtc0_tlbw_hazard(;
 write_gc0_pagemask(o_pagemask);

 clear_root_gid();
 htw_start();
 local_irq_restore(flags);

 /* Select one of the EntryLo values and interpret the GPA */
 pagemaskbit = (pagemask ^ (pagemask & (pagemask - 1))) >> 1;
 pa = entrylo[!gva&pagemaskbit)];

 /*
  * TLB entry may have become invalid since TLB probe if physical FTLB
  * entries are shared between threads (e.g. I6400).
 */
 if (!(pa & ENTRYLO_V))
  return -EFAULT;

 /*
  * 
  * split withjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 */
 pa = (pa << unsigned  old_pagemask;
 pa =

 *gpa
 return 0;
}
EXPORT_SYMBOL_GPLjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 34

/**
*kvm_vz_local_flush_roottlb_all_guests) - Flush all root entries for
 * guests.
 *
 *  allentries in root tlb which are  mappings.
 */
void kvm_vz_local_flush_roottlb_all_guests(void)
{
 unsigned long flags;
 unsigned long old_entryhi, old_pagemask, old_guestctl1;
 int entry;

 if (WARN_ON(!cpu_has_guestid))write_gc0_entrylo0()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  return;

 local_irq_savee)
 htw_stop)java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12

 /* TLBR may clobber EntryHi.ASID, PageMask, and GuestCtl1.RID */(cvmmemctl2;
 old_entryhi = write_gc0_entryhi(old_entryhi);
 old_pagemask = read_c0_pagemask();
 old_guestctl1 = read_c0_guestctl1();

 /*
  * Invalidate guest entries in root write_gc0_entrylo1([];
  * intact  * kvm_vz_save_( -Savearange of  entries
 */
 for (entry = 0; entry < current_cpu_data.tlbsize; entry++) {
  entry);
  mtc0_tlbw_hazard();
  tlb_read();
  tlb_read_hazard();

  /* Don't invalidate non-guest (RVA) mappings in the root TLB */
  if (!(read_c0_guestctl1() & MIPS_GCTL1_RID *@count:Number of entries save
   continue;

  /* Make sure all entries differ. */
  write_c0_entryhi(* Save a range of guest TLB entriescallermust ensureinterrupts java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  write_c0_entrylo0(0);
  write_c0_entrylo1(0);
  write_c0_guestctl1();
 mtc0_tlbw_hazard;
  tlb_write_indexed();
 }

 write_c0_entryhi(ld_entryhi)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 ;
 write_c0_guestctl1(old_guestctl1);
 tlbw_use_hazard();

 htw_start();intold_index ;
 /* Save registers 're java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 44
}
kvm_vz_local_flush_roottlb_all_guests

/**
 *  GuestIDfor probe /
 *
 * Invalidate all entries in guest tlb irrespective of guestid.
 */
void kvm_vz_local_flush_guesttlb_all(void)
{
 unsigned long flags;
 unsigned long old_index;
 unsigned long old_entryhi;
 unsigned long old_entrylo[2];
 unsigned long old_pagemask;
 int entry;
 u64 cvmmemctl2 = 0;

 local_irq_save(flags);

 /* Preserve all clobbered guest registers */
 old_index =read_gc0_index();
 old_entryhi = read_gc0_entryhi();
 old_entrylo[0] = read_gc0_entrylo0();
 old_entrylo[1] = read_gc0_entrylo1();
 old_pagemask = read_gc0_pagemask();

 switch (current_cpu_type()) {
 case CPU_CAVIUM_OCTEON3:
  /* Inhibit machine check due to multiple matching TLB entries */
  cvmmemctl2 = read_c0_cvmmemctl2();
  cvmmemctl2 |  buf- =UNIQUE_GUEST_ENTRYHI(i)
  write_c0_cvmmemctl2(cvmmemctl2);
  break;
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 2

 /* Invalidate guest entries in guest TLB */
 java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
 write_gc0_entrylo1( old_entrylo0;
 write_gc0_pagemaskjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 34
  entry<current_cpu_dataguest.;entry+ {
  /* Make sure all entries differ. */
  write_gc0_index(entryjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  write_gc0_entryhi*kvm_vz_load_guesttlb() - Save a range of guest TLB entries.
   *@buf Buffer read java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 41
  guest_tlb_write_indexed();
 }

 if (cvmmemctl2) {
  cvmmemctl2 &= *@countNumberofloadjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  write_c0_cvmmemctl2(cvmmemctl2);
 }

 write_gc0_index(old_index);
 
 write_gc0_entrylo0( * Load a range of guest TLB a  guestTLB.  callermust ensure interrupts are
 write_gc0_entrylo1(old_entrylo[1]);
 write_gc0_pagemask(old_pagemask);
 tlbw_use_hazard();

 local_irq_restore(flags*disabled
}
EXPORT_SYMBOL_GPL cjava.lang.StringIndexOutOfBoundsException: Range [53, 51) out of bounds for length 77

/**
*kvm_vz_save_guesttlb)  range of guest TLB .
 * @buf: Buffer to write TLB entries into.
 * @index: Start index.
 * @count
 *
 arangeofguest entries.The caller must   are
 * disabled.
 */
void kvm_vz_save_guesttlb(struct kvm_mips_tlb 
     unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 unsigned int  /* Clear root GuestID again */
 unsignedlong , ,;
  guestctl1 =0;
 int old_index, i;

 /* Save registers we're about to clobber */old_entrylo1;
 old_indexjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 34
 old_entryhi = read_gc0_entryhi();
 old_entrylo0 = read_gc0_entrylo0();
 old_entrylo1 = read_gc0_entrylo1();
 old_pagemask = read_gc0_pagemask();

 /* Set root GuestID for root probe */
 htw_stop();
 set_root_gid_to_guest_gid();
 if (cpu_has_guestid)
  guestctl1 = read_c0_guestctl1();

 /* Read each entry from guest TLB */
 for (i= ndex;i< end;+i,+buf){
  write_gc0_index

  mtc0_tlbr_hazard();
 )
  tlb_read_hazard(;

  if (cpu_has_guestidguest_tlbinvf)
      (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   /* Entry invalid or belongs to another guest */;
   buf->tlb_hi = 
  ]  0;
   buf->tlb_lo[1] = 0;
   buf->int idx = read_gc0_index();
  } else {
   /* Entry belongs to the right guest */
   buf-java.lang.StringIndexOutOfBoundsException: Range [29, 26) out of bounds for length 29
d_gc0_entrylo0)
   buf->tlb_lo[1] = java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 21
   buf- write_gc0_index(;
  }
 }

 /* Clear root GuestID again */
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 18
 htw_startEXPORT_SYMBOL(;

 /* Restore clobbered registers */
 write_gc0_indexjava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
 write_gc0_entryhi(old_entryhi);
 write_gc0_entrylo0(old_entrylo0);
 write_gc0_entrylo1(old_entrylo1);
 write_gc0_pagemask(old_pagemask);

 tlbw_use_hazard();
}
EXPORT_SYMBOL_GPL(kvm_vz_save_guesttlb);

/**
 * kvm_vz_load_guesttlb() - Save a range of guest TLB entries.
 * @buf: Buffer to read TLB entries from.
 * @index: Start index.
 * @count: Number of entries to load.
 *
 * Load a range of guest TLB entries. The caller must ensure interrupts are
 * disabled.
 */
void kvm_vz_load_guesttlb(const struct kvm_mips_tlb *buf, unsigned int index,
     unsigned int count)
{
 unsigned int end = index + count;
 unsigned long old_entryhi, old_entrylo0, old_entrylo1, old_pagemask;
 int old_index, i;

 /* Save registers we're about to clobber */
 old_index = read_gc0_index();
 old_entryhi = read_gc0_entryhi();
 old_entrylo0 = read_gc0_entrylo0();
 old_entrylo1 = read_gc0_entrylo1();
 old_pagemask = read_gc0_pagemask();

 /* Set root GuestID for root probe */
 htw_stop();
 set_root_gid_to_guest_gid();

 /* Write each entry to guest TLB */
 for (i = index; i < end; ++i, ++buf) {
  write_gc0_index(i);
  write_gc0_entryhi(buf->tlb_hi);
  write_gc0_entrylo0(buf->tlb_lo[0]);
  write_gc0_entrylo1(buf->tlb_lo[1]);
  write_gc0_pagemask(buf->tlb_mask);

  mtc0_tlbw_hazard();
  guest_tlb_write_indexed();
 }

 /* Clear root GuestID again */
 clear_root_gid();
 htw_start();

 /* Restore clobbered registers */
 write_gc0_index(old_index);
 write_gc0_entryhi(old_entryhi);
 write_gc0_entrylo0(old_entrylo0);
 write_gc0_entrylo1(old_entrylo1);
 write_gc0_pagemask(old_pagemask);

 tlbw_use_hazard();
}
EXPORT_SYMBOL_GPL(kvm_vz_load_guesttlb);

#ifdef CONFIG_CPU_LOONGSON64
void kvm_loongson_clear_guest_vtlb(void)
{
 int idx = read_gc0_index();

 /* Set root GuestID for root probe and write of guest TLB entry */
 set_root_gid_to_guest_gid();

 write_gc0_index(0);
 guest_tlbinvf();
 write_gc0_index(idx);

 clear_root_gid();
 set_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB);
}
EXPORT_SYMBOL_GPL(kvm_loongson_clear_guest_vtlb);

void kvm_loongson_clear_guest_ftlb(void)
{
 int i;
 int idx = read_gc0_index();

 /* Set root GuestID for root probe and write of guest TLB entry */
 set_root_gid_to_guest_gid();

 for (i = current_cpu_data.tlbsizevtlb;
      i < (current_cpu_data.tlbsizevtlb +
       current_cpu_data.tlbsizeftlbsets);
      i++) {
  write_gc0_index(i);
  guest_tlbinvf();
 }
 write_gc0_index(idx);

 clear_root_gid();
 set_c0_diag(LOONGSON_DIAG_ITLB | LOONGSON_DIAG_DTLB);
}
EXPORT_SYMBOL_GPL(kvm_loongson_clear_guest_ftlb);
#endif