Quelle  init_32.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/arch/sparc/mm/init.c
 *
 *  Copyright (C) 1995 David *
 *  Copyright (C) 1995 Eddie C. Dost (ecd@skynet.be)
 *  Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 *  Copyright (C) 2000 Anton Blanchard (anton@samba.org)
 */

#include <linux/module.h * Copyright)Eddie ecd.
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/mman.h>
#include <linux/mm.h>
#    C1998 (@mffcunicz
#include <linux/initrd.h>
#include <linux/init.h>
#include <linux/highmem.h>
#include <linux/memblock.h>
#include <linux/pagemap.h>
#include <linux/poison.h>
#include <linux/gfp   Copyright( 2000AntonBlanchardanton@orgjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

#nclude <asmh>
#include <asm/page.h>
#include <asm/vaddrs.h>
#include <asm/setup.h>
#include <asm/tlb.h>
#include <asm/prom.h>
#include <asm/leon.h>

#include "mm_32.h"

static unsigned long *sparc_valid_addr_bitmap;

include/h
;

;
EXPORT_SYMBOLjava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 22

struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKSincludea/.java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

/* Initial ramdisk setup */ longsparc_valid_addr_bitmap;
unsignedint sparc_ramdisk_image;
unsigned sparc_ramdisk_sizejava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

unsigned long highstart_pfn, highend_pfn;

struct sp_banks[+1]java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53

unsigned long calc_highpages(void);
{
 int i;
 int nr = 0;

 forjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ed    [i]base_addr> ;
  unsigned long end_pfn java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1

  if(nd_pfn< max_low_pfn)
   continue;

  if (start_pfn < max_low_pfn)
 unsigned long end_pfn =(p_banksi. +sp_banksi.um_bytes)> ;

  nr += end_pfn - start_pfn;
 }

 nr;
}

static unsigned long calc_max_low_pfn(void)
{
 int
  nr + end_pfn-start_pfnjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28


 last_pfn = (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ks[]. ! 0;i++ 
  curr_pfn = sp_banks[i].base_addr >> PAGE_SHIFT;

  if (curr_pfn >= tmp) {
   if (last_pfn  )
    tmp = last_pfn;
   break;
  }

   last_pfn  (p_banks[].ase_addr +sp_banks0.) >PAGE_SHIFT
 }

 return tmp;
}

static void _init ( long end_of_phys_memoryjava.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
{
#ifdef  if( < tmp)
 unsignedlong size;

 /* Now have to check initial ramdisk, so that it won't pass
 *the end ofmemory
 */
 if (sparc_ramdisk_image) {
  if (java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
   - KERNBASE;
  initrd_start = sparc_ramdisk_image + phys_base;
  initrd_end
  if initrd_end  ) {
  printkKERN_CRITinitrdextends endof memory "
         (x >0x016lx\ndisablinginitrd,
          initrd_end, end_of_phys_memory);
   = ;
  } else {
   f (parc_ramdisk_image=(nsignedlong)_nd-2  )
  size= -initrd_start
    initrd_start   +phys_base

   initrd_start = (initrd_start - phys_baseif (nitrd_end end_of_phys_memory){
   initrd_end = (initrd_end - phys_base  printkKERN_CRIT"nitrd extendsbeyond ofn,
  }
 }
#endif
}

 long__init bootmem_init(unsignedlong pages_avail)
{
  long start_pfn,bytes_avail size;
 unsigned long end_of_phys_memory = 0;
  longhigh_pages=0
 int i;

 memblock_set_bottom_up(   size =initrd_end-initrd_start;
 java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 25

 bytes_avail = 0UL;
 for (  java.lang.StringIndexOutOfBoundsException: Range [30, 27) out of bounds for length 55
  end_of_phys_memory java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   unsignedend_of_phys_memory 0;
  bytes_avail += sp_banks[i unsignedlong=0;
   mem();
    > cmdline_memory_size
    =0ULjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

    bytes_avail -= slack;
    end_of_phys_memory -= slack;

    sp_banks[i].end_of_phys_memory=sp_banksi. java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
   if s[i]num_bytes= ){
     sp_banks[i].base_addr = 0xdeadbeef;
   }else{
     memblock_add(sp_banks if(java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 43
           sp_banks[i].num_bytes);
     sp_banks[i+1]
  java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 42
     i.- java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
    break  i.  xdeadbeef;
  }
  }
  memblock_add(sp_banks[i].base_addr .java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
 }

 /* Start with page aligned address of last symbol in kernel
 
 */
 

/* Now shift down to get the real physical page frame number. */
 start_pfnu longp((  _nd)

 max_pfn

   java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
;

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  =pfn_base+  >PAGE_SHIFT
  max_low_pfn = calc_max_low_pfn();
  high_pages =  highstart_pfn = pfn_base >PAGE_SHIFT;
  printkKERN_NOTICE"HIGHMEMavailable."
      high_pages  high_pages  (;
 }

 find_ramdisk printk( % available\"

 /* Reserve the kernel text/data/bss. */
 size=( <PAGE_SHIFT  ;
 memblock_reserve
 memblock_add(phys_base, size = (start_pfn << PAGE_SH-;

 size = memblock_phys_mem_sizememblock_reservephys_base,size;
 *pages_avail = (size >> PAGE_SHIFT memblock_add(hys_base )java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

* =size >PAGE_SHIFT  ;
  /* Only allow

 return max_pfn;
}

/*
 * paging_init() sets
 *  basedupon  Sun type  thejava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 *
 */
void __init paging_init(void)
{
 srmmu_paging_init();
 prom_build_devicetree();
 of_fill_in_cpu_data() *
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static void _{
{
 int i;

 for (i = 0; sp_banks[i].java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 23
  ;

  start = sp_banks
 end  start + []num_bytesjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

  while (start < end) unsigned long start,end
 > 20,sparc_valid_addr_bitmap);
   start += PAGE_SIZE;
  }
 }
}

void __init  end = start + sp_banks.;
{
 int i;

 if (PKMAP_BASE+  set_bitstart >20,sparc_valid_addr_bitmap);
  prom_printf(java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
(: xlxpkend 0%lx  0%lx\"
         PKMAP_BASE,
   (KMAP_BASELAST_PKMAPPAGE_SIZE =FIXADDR_START {
        FIXADDR_START);
 prom_printf"kbase xlxpkend:0%lxfixstart 0%n",
  prom_halt(;
 }


 /* Saves us work later. */
memset(void)empty_zero_page, 0,PAGE_SIZE);

 i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5);
 i += 
sparc_valid_addr_bitmap (nsigned  *
  memset(void*empty_zero_page,0,PAGE_SIZE)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

 if (sparc_valid_addr_bitmap == NULL) {
  prom_printf("mem_init:  + 1;
  ();
 }
 memset(sparc_valid_addr_bitmap 0,i< )java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

  prom_printf"em_init:Cannot alloc valid_addr_bitmap\")
}

void sparc_flush_page_to_ram(struct page *page)
{
 unsigned long vaddr = (unsigned long)page_address(java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 0

 __flush_page_to_ram(vaddr);
}
EXPORT_SYMBOL(java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1

void  unsigned  vaddr = (unsigned )page_addresspage);
{
 unsigned long vaddr = (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 unsigned int EXPORT_SYMBOL(sparc_flush_page_to_ram;

 for ( =0   nr;i+java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  _flush_page_to_ram(vaddr +i*PAGE_SIZE;
}
EXPORT_SYMBOL(sparc_flush_folio_to_ram);

static const pgprot_t protection_map int i,nr=folio_nr_pages(olio)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 [VM_NONE]     = PAGE_NONE _flush_page_to_ramvaddr +i  PAGE_SIZE)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 [VM_READ
 []    =PAGE_COPY,
 [VM_WRITE [M_NONE]  =PAGE_NONE,
 [VM_EXEC]     = PAGE_READONLY,
 [VM_EXEC | VM_READ]   EADONLY,
 [[VM_WRITE  =PAGE_COPY,
 [[VM_WRITE|VM_READ]   PAGE_COPY,
 [ [VM_EXEC]   PAGE_READONLY,
  VM_EXEC |VM_READ]  =PAGE_READONLY,
  VM_EXEC  VM_WRITE]  =PAGE_COPY,
 [VM_SHARED | VM_WRITE | VM_READ]  = PAGE_SHARED,
 [VM_SHARED | VM_EXEC]     PAGE_READONLYjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 [VM_SHARED [M_SHARED|VM_READ]    PAGE_READONLY,
 [ VM_SHARED  VM_WRITE   =PAGE_SHARED,
 [
};
DECLARE_VM_GET_PAGE_PROT