git.zerfleddert.de Git - linexec-j720/blob - memory.cpp

   1 #include "stdafx.h"
   2 #include "tester1.h"
   3 #include <commctrl.h>
   4 //#include <aygshell.h>
   5 #include <sipapi.h>
   6 #include "setup.h"
   7
   8 UINT32 ReadPhysical(UINT32 adr)
   9 {
  10         UINT32 base=  adr&0xffff0000;
  11         UINT32 offset=adr&0x0000ffff;
  12         UINT32 *p=(UINT32*)VirtualAlloc(0,0x10000,MEM_RESERVE,PAGE_READWRITE);
  13         if(!p) return 0xFFFFFFFF;
  14         if(!VirtualCopy((void*)p,(void*)(base/256),0x10000,PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL)) return 0xFFFFFFFF;
  15         UINT32 val=p[offset/4];
  16         VirtualFree(p,0,MEM_RELEASE);
  17         return val;
  18 }
  19
  20 void WritePhysical(UINT32 adr,UINT32 val)
  21 {
  22         UINT32 base=  adr&0xffff0000;
  23         UINT32 offset=adr&0x0000ffff;
  24         UINT32 *p=(UINT32*)VirtualAlloc(0,0x10000,MEM_RESERVE,PAGE_READWRITE);
  25         VirtualCopy((void*)p,(void*)(base/256),0x10000,PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL);
  26         p[offset/4]=val;
  27         VirtualFree(p,0,MEM_RELEASE);
  28 }
  29
  30 UINT32 VirtualToPhysical(UINT32 Virtual)
  31 {
  32         FILE *log=fopen("\\logger1.txt","w");
  33
  34         fprintf(log,"virtual: 0x%lx\n",Virtual);
  35         UINT32 mmu=(UINT32)read_mmu();
  36 //      mmu=0xa0000000;
  37         fprintf(log,"mmu:  0x%lx \n",mmu);
  38
  39         UINT32 AdrFirstLevDesc=(mmu&0xffffc000)+((Virtual>>18)&0xfffffffc);
  40         fprintf(log,"AdrFirstLevDesc:  0x%lx \n",AdrFirstLevDesc);
  41
  42         UINT32 FirstLevDesc=ReadPhysical(AdrFirstLevDesc);
  43         fprintf(log,"FirstLevDesc:  0x%lx \n",FirstLevDesc);
  44
  45
  46         if(0)
  47         {
  48                 fprintf(log,"Page\n");
  49                 UINT32 PhysAddr=(FirstLevDesc&0xfff00000)+(Virtual&0xfffff);
  50                 fprintf(log,"Physical address:  0x%lx \n",PhysAddr);
  51                 fclose(log);
  52                 return PhysAddr;
  53         }
  54
  55         if(FirstLevDesc&0x3==3) // tiny page
  56         {
  57                 fprintf(log,"Tiny page\n");
  58                 UINT32 AdrSecondLevDesc=(FirstLevDesc&0xfffff000)+((Virtual>>8)&0xffc);
  59                 fprintf(log,"AdrSecondLevDesc:  0x%lx \n",AdrSecondLevDesc);
  60
  61                 UINT32 SecondLevDesc=ReadPhysical(AdrSecondLevDesc);
  62                 fprintf(log,"SecondLevDesc:  0x%lx \n",SecondLevDesc);
  63
  64                 UINT32 PhysAddr=(SecondLevDesc&0xffffc000)+(Virtual&0x3ff);
  65                 fprintf(log,"Physical address:  0x%lx \n",PhysAddr);
  66                 fclose(log);
  67                 return PhysAddr;
  68         }
  69 //      if(FirstLevDesc&0x3==3) // small page
  70         {
  71                 fprintf(log,"Else page\n");
  72                 UINT32 AdrSecondLevDesc=(FirstLevDesc&0xfffffc00)+((Virtual>>10)&0x03fc);
  73                 fprintf(log,"AdrSecondLevDesc:  0x%lx \n",AdrSecondLevDesc);
  74
  75                 UINT32 SecondLevDesc=ReadPhysical(AdrSecondLevDesc);
  76                 fprintf(log,"SecondLevDesc:  0x%lx \n",SecondLevDesc);
  77
  78                 UINT32 PhysAddr=(SecondLevDesc&0xffff0000)+(Virtual&0xffff);
  79                 fprintf(log,"Physical address:  0x%lx \n",PhysAddr);
  80                 fclose(log);
  81                 return PhysAddr;
  82
  83         }
  84 }
  85
  86
  87
  88
  89
  90
  91 void DumpMMU()
  92 {
  93         void *mmu=(void*)(MEM_START);
  94
  95         UINT32 *_mmu=(UINT32*)VirtualAlloc((void*)0x0,sizeof(void*)*0xffff, MEM_RESERVE,PAGE_READWRITE);
  96         int ret=VirtualCopy(_mmu,(void *) ((UINT32)mmu/256),sizeof(void*)*0xffff        , PAGE_READWRITE|PAGE_NOCACHE|PAGE_PHYSICAL);
  97
  98         FILE *log=fopen("\\logger2.txt","w");
  99         fprintf(log,"mmu_table=0x%lx : \n",_mmu);
 100         fprintf(log,"mmu=0x%lx : \n",mmu);
 101         fprintf(log,"ret=0x%x : \n",ret);
 102         for(UINT32 z=0;z<=0x0100;z++)
 103                 fprintf(log,"mmu_table[0x%x]=0x%lx: \n",z,_mmu[z]);
 104         fclose(log);
 105         return;
 106 }