ffs_util.c

ADAM2 sources (modified by Oleg)

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/*  c/o ADAM2 Application Manager                                              	*/
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/*------------------------------------------------------------------------------*/

#include "_stdio.h"
#include "ffs_util.h"
#include "env.h"
#include "flashop.h"
#include "hw.h" 
#include "files.h" 
#include "mms.h" 
#include "support.h" 
#include "fcb.h" 
#include "avreset.h" 
#include "sio.h" 
#include "main.h" 

void AppCopyVectors(void);
bit32u progloader(int argc, char *argv[]);
void init_env(void);
bit32u getflashsize(bit32u base, bit32u size);

/* Flash File System guidlines                                               */
/* The flash file system can only open read write and close a file that      */
/*  the rights apply. That is even root has no authority to read a not       */
/*  owned file.                                                              */
/*                                                                           */
/* FindFirst finds the first file in the global file system that meets the   */
/*  rights. Only root can see all file entries, but cannot read/write them.  */
/*                                                                           */
/* INodes are FFS dependent that is the system can have many FFS and inode   */
/*  is maintained for each.                                                  */
/*                                                                           */

extern ffs_tMountPoint ffs_sFlashFileSystemsMounts[NUM_OF_SLOTS+1];
extern int              ffs_iNumOfFlashMounts;   
          
void _ffs_DumpFlashDisk(int slot,void *ffs,int show_deleted)
  {
  ffs_tEntry *ffse;
          
  if (strncmp(ffs,"FFS",3)!=0) return;        
  ffse=(ffs_tEntry *)(((char *)ffs)+8);        
  if (slot)
    sys_printf("\nFlashDiskDump for /slot%d\n",slot);
   else
    sys_printf("\nFlashDiskDump for /\n");

  while(_ffs_GetBit16Value(ffse->inode)!=0xffff)
    {
    ffse=_ffs_DumpFlashFileSystemEntry(ffse,show_deleted);
    }
  }

int _ffs_prepend(char *dst,int len,char *preinfo)
  {
  int dlen,plen;
  char *sp,*dp;

  dlen=strlen(dst);
  plen=strlen(preinfo);
  if ((plen+dlen)>=len)
    return(FALSE);
  if (plen==0) return(TRUE);
  
  for(dp=dst+dlen+plen,sp=dst+dlen;dlen;dlen--)
    *dp--=*sp--;
  *dp--=*sp--;
  for(sp=preinfo+(plen-1);plen;plen--)
    *dp--=*sp--;
  return(TRUE);
  }


int _ffs_autoexecute(int slot,void *ffs)
  {
  ffs_tEntry *ffse,*ffse2;
  int i,flags,idir,iFileNameLength,j,flags2,iFileNameLength2,inode,argc,dsts,tsts,amax;
  char appname[80],*cp,dirname[32],*argv[10],aabort[2],achar,AppToRun[80];
  bit32u gopc;
 
  amax=(cp=sys_getenv("autoload"))?atoui(cp):99;
  if (amax<10) amax=10;
  if (amax>99) amax=99;
  dsts=0;
  if (strncmp(ffs,"FFS",3)!=0) return(1);        
  aabort[0]=aabort[1]=0;
  for(i=0,tsts=0;(i<amax)&&((tsts==0)||(i<90));i++)
    {
    ffse=(ffs_tEntry *)(((char *)ffs)+8); 

    while(_ffs_GetBit16Value(ffse->inode)!=0xffff)
      {
      if (i>9)
        {
        if (SioInCharCheck(&achar))
          {
          aabort[1]=aabort[0];
          aabort[0]=achar;
          if ((aabort[0]==1)&&(aabort[1]==1))
            {
            sys_printf("Autoload Abort...\n");
            return(1);
            }
          }
        }
      flags=_ffs_GetBit16Value(ffse->flags);
      if ((flags&FFS_F_AUTO_EXECUTE)&&(flags&FFS_F_DELETE))
        {
        if (ffse->aeo==i)
          {
          iFileNameLength=ffse->fnlen&0x0ff;
          idir=_ffs_GetBit16Value(ffse->inode);
          cp=ffse->data;
          for(j=0;(j<iFileNameLength)&&(j<((sizeof appname)-1));j++)
            appname[j]=*cp++;
          appname[j]=0;
          strcpy(AppToRun,appname);
          while(idir)
            {
            ffse2=(ffs_tEntry *)(((char *)ffs)+8); 
            while(_ffs_GetBit16Value(ffse2->inode)!=0xffff)
              {
              flags2=_ffs_GetBit16Value(ffse2->flags);
              if ((flags2&FFS_F_DIRECTORY)&&(flags2&FFS_F_DELETE))
                {
                iFileNameLength2=ffse2->fnlen&0x0ff;
                inode=_ffs_GetBit16Value(ffse2->data+iFileNameLength2);
                if (inode==idir)