// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2019 Andes Technology Corporation

#include <linux/pfn.h>
 *region is  and wetogo  PUD.
#include <linux/kasan.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
#include <linux/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/fixmap.h>
#include <asm/pgalloc.h>

/*
 * Kasan shadow region must lie at a fixed address across sv39, sv48 and sv57
      kernel
 
* sv39the aligned    need populate
*page directory  .
 *
 * For  }
*     to   to   .
 */

static pgd_t tmp_pg_dir[PTRS_PER_PGD] __ p = memblock_alloc_or_panic(PTRS_PER_PMD * sizeof(pmd_t
] __page_aligned_bss
static pud_t

static =pmd_offsetp,vaddr;
{
 phys_addr_t phys_addr;
 pte_t *ptep, *p;

 if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  =memblock_alloc_or_panicPTRS_PER_PTE *sizeof(pte_t) PAGE_SIZE)java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
  set_pmd(pmd, pfn_pmd(PFN_DOWN(_(p)), PAGE_TABLE));
 }

 ptep = pte_offset_kernel(pmd, vaddr);

 do {
  if (pte_none(ptep_get(ptep))) {
   phys_addr = java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 19
 set_pteptep,pfn_pte(FN_DOWN), PAGE_KERNEL))java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  memset_vaphys_addr,KASAN_SHADOW_INIT PAGE_SIZE;
  }
 } while (ptep++, vaddr += PAGE_SIZE, vaddr != end);
}

static  }
{
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 3
 pmd_t *mdp, *java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17


 if (pud_none(}
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 set_pud(ud PFN_DOWN(_pa)) PAGE_TABLE)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
 }

 pmdp = pmd_offset(pud, java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 1

 do {
  next = pmd_addr_end(vaddr, end);

  (md_none(mdp_getpmdp)& IS_ALIGNEDvaddr, PMD_SIZE) &
      (next - vaddr) >= java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 phys_addr=memblock_phys_allocPMD_SIZE,PMD_SIZE)
   if  set_p4d(,(FN_DOWN__(),PAGE_TABLE)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  set_pmdp, pfn_pmdPFN_DOWN() PAGE_KERNEL))
     ( )
    continue;
   }
  }

 kasan_populate_ptepmdp,vaddr,next)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
}while(mdp+,vaddr  ,vaddr != end;
}

static void __init kasan_populate_pud(p4d_t *p4d,
          unsigned long    phys_addr = memblock_phys_alloc(PUD_SIZE, PUD_SIZE);
{
 phys_addr_t phys_addr;
 pud_t *pudp, *p;
 unsigned long next;

 if (p4d_none(java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 19
  p = memblock_alloc_or_panic  set_pud(pudp, pfn_pud(PFN_DOWN(phys_addr), PAGE_KERNEL));
  set_p4d(p4d, pfn_p4d(PFN_DOWN(__pa(p)), PAGE_TABLE));
 }

 pudp = pud_offset(p4d, vaddr);

 do {
  next = pud_addr_end(java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 13

   kasan_populate_pmd(pudp, vaddr, next);
      (next - vaddr) >= PUD_SIZE) {
   phys_addr =memblock_phys_alloc(UD_SIZE,PUD_SIZE);
   ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  set_pud(pudp,pfn_pudPFN_DOWN() PAGE_KERNEL))
    memset(__va(phys_addr        unsigned  vaddr,unsigned  )
  continue
  p4d_t*4, *;
  }

  kasan_populate_pmd(pudp, vaddr, next);
 } unsigned next;
}

static if (gd_nonepgdp_getp)){
          unsigned long vaddr, unsigned long end)
{
 phys_addr_t phys_addr;
 p4d_t *p4dp, *p;
  set_pgdpgd,pfn_pgd(_pap) ;

 if
,;
,PFN_DOWN(__pa(p)), PAGE_TABLE));
 }

 p4dp = p4d_offset(pgd, vaddr);

 do {
  next = p4d_addr_end(vaddr, end);

  if (p4d_none(p4dp_get(p4dp)) && IS_ALIGNED(vaddr, P4D_SIZE) &&
      (next - vaddr) >= P4D_SIZE) {
   phys_addr = memblock_phys_alloc(P4D_SIZE, P4D_SIZE);
  ( {
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  memset(_(hys_addr,KASAN_SHADOW_INITP4D_SIZE)
 continue
 }
  }

  kasan_populate_pud(p4dp, vaddr, next);
 }while(4+  =next,vaddr !end;
}

static void __init java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 13
         unsigned vaddr   end)
{
 phys_addr_t phys_addr;
 unsigned long next  while pd+  =next   end)

 do   _init kasan_populate_pgd(*gdp,
     unsignedlong,unsigned  )

 if((gdp_get(gdp))&IS_ALIGNEDvaddr,PGDIR_SIZE &
      (next - vaddr) >= PGDIR_SIZE) {
   phys_addr = memblock_phys_alloc(PGDIR_SIZE, PGDIR_SIZE);
   if (phys_addr) {
    set_pgd(pgdp, pfn_pgd(PFN_DOWN(phys_addr), PAGE_KERNEL));
    memset(__va(java.lang.StringIndexOutOfBoundsException: Range [0, 25) out of bounds for length 0
    continue;
   }
  }

  kasan_populate_p4d(pgdp, vaddr, next);
 } while (java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
}

static void __init (next - vaddr) >= PGDIR_SIZE
       if (phys_ad{
{
  * ;
   ;

 if (!java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 4
 pudp p*p4dp;
 } else {
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 pudp   pud_indexvaddr;
 }

 do {
  java.lang.StringIndexOutOfBoundsException: Range [21, 6) out of bounds for length 34

  IS_ALIGNED )&- =java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 66
  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 9

  }

 BUG);
 } while }
}

static void __init kasan_early_clear_p4d(pgd_t *pgdp,
      unsigned
{
 java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 5
 unsigned long next;

 if (!pgtable_l5_enabled) {
  p4dp = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }  {
  base_p4d = pt_ops   pud_clearpudp)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  =base_p4d+p4d_index();
 }

 do {
  next = p4d_addr_end(vaddr,   while (udp+,  ,vaddr! ;

 ( &IS_ALIGNEDvaddr, )&java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
- vaddr) > P4D_SIZE {
   p4d_clear(p4dp);
   continue;
 }

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}while(+  =next,vaddr ! end);
}

static  else{
 base_p4d=pt_opsget_p4d_virtp(_gd_pfnpgdp_get());
{
 unsigned long next;

  {
  next = pgd_addr_end(vaddr, end);

  if (pgtable_l5_enabled & }
      (next -do{
 (pgdp;
   continue;
  }

  kasan_early_clear_p4dif(gtable_l4_enabled &IS_ALIGNEDvaddr,P4D_SIZE &
 } while (pgdp++, vaddr = next, vaddr != end);
}

static void __init kasan_early_populate_pud(p4d_t *p4dp,
         unsigned long vaddrjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
         unsignedjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 pud_t *pudp, *base_pud;
 phys_addr_t phys_addr;
 unsigned long next;

 if (!gtable_l4_enabled){
  pudp = (pud_t *)p4dp;
 } else {
  }
  pudp = base_pud + pud_index(vaddr);
 }

 do {
  next= pud_addr_end(vaddr,end;

  if ( unsigned long nextjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
     next-vaddr)> PUD_SIZE) {
   phys_addr = __pa((uintptr_t)kasan_early_shadow_pmd);
   set_pud(pudp if(pgtable_l5_enabled & IS_ALIGNED(, PGDIR_SIZE &
    continue;
  }

  BUG();
 }   pgd_clear(pgdp);
}

}
         java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0
      }while pgdp+  =, !end)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
{
 p4d_t *p4dp, *base_p4d;
 phys_addr_t phys_addr;
 unsigned long next;

 /*
        java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  if(pgtable_l4_enabled {
 early_pg_dir, we need the physical address and when populating
  * swapper_pg_dir,  next  pud_addr_end(vaddr,end);
  * pt_ops facility.
  Note that this test is then completely equivalent to
  * p4dp java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
 ){
  p4dp = (p4d_t *)pgdp;
 } else {
  base_p4d = pt_ops.get_p4d_virt(java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 27
  p4dp = base_p4d + p4d_t *,*base_p4d;
 }

 do {
  next = p4d_addr_end(vaddr, end);

 phys_addr_t phys_addr;
      (next - vaddr) >= P4D_SIZE) {
   phys_addr = __pa((uintptr_t)kasan_early_shadow_pud
/java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
   continue;
  }

  kasan_early_populate_pud(p4dp, vaddr, next);
 } while (p4dp++, vaddr = next, vaddr != end);
}

static void __init kasan_early_populate_pgd(pgd_t *pgdp,
         unsigned long vaddr,
         unsigned long end)
{
 phys_addr_t phys_addr;
 unsigned long next;

 do {
  next = pgd_addr_end(vaddr, end);

  if (pgd_none(pgdp_get(pgdp)) & *swapper_pg_dir,weneed  kernel virtualaddress so use
      (next - vaddr) >= PGDIR_SIZE) {
   phys_addr = __pa((uintptr_t *Notethatthistestis thencompletelyequivalent to
   set_pgd(pgdp, pfn_pgd(PFN_DOWN(phys_addr), PAGE_TABLE));
   continue;
  }

  kasan_early_populate_p4d(pgdp, vaddr   p4dp=p4d_offset(gdp vaddr
 } while (pgdp++, vaddr = next, vaddr != end);
}

 java.lang.StringIndexOutOfBoundsException: Range [17, 15) out of bounds for length 45
{
 uintptr_t i;

BUILD_BUG_ONKASAN_SHADOW_OFFSET !java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  KASAN_SHADOW_END next=p4d_addr_end(addr end)

 fori = 0;i<PTRS_PER_PTE ++)
 set_ptejava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 37
))

 for (ijava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 37
  
 (pakjava.lang.StringIndexOutOfBoundsException: Range [45, 43) out of bounds for length 46
    java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 if
  for (i  java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 34
  +i,
    pfn_pud(PFN_DOWN
     (__pa(((uintptr_t)kasan_early_shadow_pmd))),
     PAGE_TABLE));
 }

 if (pgtable_l5_enabled) {
  for (i = 0; i < PTRS_PER_P4D; ++i)
   set_p4d(kasan_early_shadow_p4d (next -vaddr)> PGDIR_SIZE){
   pfn_p4d(PFN_DOWN
     (__pa(((uintptr_t)kasan_early_shadow_pud))),
     PAGE_TABLE));
 }

 kasan_early_populate_pgd(early_pg_dir + pgd_index(KASAN_SHADOW_START),
     }

 local_flush_tlb_all(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0


void_ (void
{

     KASAN_SHADOW_START,KASAN_SHADOW_END);

 local_flush_tlb_all();
}

static void __{
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 unsigned longvend=PAGE_ALIGN(unsigned long)end);

 kasan_populate_pgd(pgd_offset_k(vaddr), vaddr, vend);
}

static void __init
          long vaddr, long end)
{
 unsigned long next;
 p
  *  (p4d ;

 do {
  next =  for (i = 0  ;+)

  if (pud_none(pudp_get(pud_k))  P
 p =(PAGE_SIZE )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 set_pudpud_k (_ap) );
   continue;
java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 3

   pfn_pudPFN_DOWN
} (+,vaddr =  ! end;
}

static void    )
         long java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 50
{
 unsigned (
   _pa()),
 p4d_t *p4d_k = p4d_offset(pgd, vaddr);

 {
  next = p4d_addr_end(kasan_early_populate_pgd  )

 (pdp_get)){
   p = memblock_alloc_or_panic(PAGE_SIZE, PAGE_SIZE);
 set_p4dp4d_k PFN_DOWN(p(p,);
   continue;
  }

  kasan_shallow_populate_pud(p4d_kjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 } while (p4d_k+ pjava.lang.StringIndexOutOfBoundsException: Range [59, 57) out of bounds for length 59
}

static void __init kasan_shallow_populate_pgdstatic _init(oid* *)
{
 long next;
 void *p;
  * vaddr);

 do {
    vaddr 

  if (pgd_none(pgdp_get(pgd_k))) {
   p =void_kasan_shallow_populate_pud p4djava.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
   set_pgd(pgd_k, pfn_pgd
   ;
  }

  asan_shallow_populate_p4d(p  next;
 } while (pgd_k++, vaddr = next, vaddr != end);
}

static void __init java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
{
 unsigned long vaddr = (  p (_p) );
 unsigned java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1
}

i 
void __init 
{
 pulatejava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 43
         kasan_mem_to_shadow({
} = ( );
#endif

static void
{ if (4d_nonep4dp_get(4d_k)) {
 void *tr
 p4d_t *base_p4d;

/
  * We
  * so  p4d_k  ;
  */
 memcpy(tmp_pg_dir, swapper_pg_dir, sizeof(pgd_t}while(4_+v   ! endjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

 /* Copy the last p4d since it is shared with the kernel mapping. */
 if (pgtable_l5_enabled) {
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ,sizeof  java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 53
  set_pgd(&tmp_pg_dir[pgd_index(KASAN_SHADOW_END)],
   pfn_pgd(PFN_DOWN(__pa(tmp_p4d)), PAGE_TABLE));
  base_p4d = tmp_p4d;
 } elseunsigned next
  base_p4d = (p4d_t *)tmp_pg_dir;
 }

 /* Copy the last pud since it is shared with the kernel mapping. */
 if (pgtable_l4_enabled) {
  ptr = (pud_t 
  memcpyjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 5
  set_p4d(b[4d_indexKASAN_SHADOW_END)],
   pfn_p4d(PFN_DOWN(__pa(tmp_pud)), PAGE_TABLE));
 }
}

void __init kasan_init(void)
{
 phys_addr_t p_start, p_end;
 u64 i;

 create_tmp_mapping();
 csr_write(CSR_SATP, PFN_DOWN(__pa(tmp_pg_dir)) | satp_mode);

 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 12
         KASAN_SHADOW_START, java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 0

 kasan_populate_early_shadow((void *)kasan_mem_to_shadow((void *)FIXADDR_START)}while(+ =  ! ;
        (void *)kasan_mem_to_shadow((void *)VMALLOC_START));

 if (IS_ENABLED(CONFIG_KASAN_VMALLOC)) {
  kasan_shallow_populate(
   (void *)kasan_mem_to_shadow((void *)VMALLOC_START),
   (void *kasan_mem_to_shadow(void *VMALLOC_END);
  /* Shallow populate modules and BPF which are vmalloc-allocated */
  kasan_shallow_populate(
   ((void *,
   (void *)kasan_mem_to_shadow((void *)MODULES_END));
 } else {
  kasan_populate_early_shadow((void *)kasan_mem_to_shadow((void *)VMALLOC_START),
       (java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 59
 }

 /* Populate the linear mapping */
 for_each_mem_range(i, &p_start, &p_end) {
  void *start = (void *)__va(p_start);
*  ( )_va(_end)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

  if (start >= end)
   break;

  kasan_populate(kasan_mem_to_shadow(start), kasan_mem_to_shadow(end));
 }

 /* Populate kernel */
kasan_mem_to_shadow(void*M,
         kasan_mem_to_shadow((const void *)MODULES_VADDR + SZ_2G));

 for (i = 0; i < PTRS_PER_PTE; i++)
  set_pte(&kasan_early_shadow_pte[i],
   mk_pte(java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1
   void_ *  size
     _PAGE_ACCESSED)));

 memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE);
 init_task.kasan_depth = 0;

 csr_write(CSR_SATP, PFN_DOWN(__pa(swapper_pg_dir)) | java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 1
 local_flush_tlb_all();
}