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MappingTable.java 10.4 KiB
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/* this class produces the lines pertaining to the segment table. Except the segments containing CHANNEL channels and those corresponding to targets in shared memory, they need not be sepcified by the user of the deployment diagram */

/* authors: v1.0 Raja GATGOUT 2014
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            v2.0 Daniela GENIUS, Julien HENON 2015 - 2016 */
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package ddtranslatorSoclib.toTopCell;
import ddtranslatorSoclib.*;
import java.util.*;

public class MappingTable {
	
    private final static String CR = "\n";
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    private final static String CR2 = "\n\n";
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    private static String mapping;
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    public static String getMappingTable() {
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    int l=0;
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    int nb_clusters=TopCellGenerator.avatardd.getAllCrossbar().size();
    
    if(nb_clusters == 0){
	mapping = CR2 + "//-----------------------mapping table------------------------" + CR2;
	mapping = mapping + "// ppc segments" + CR2;

	mapping = mapping + "maptab.add(Segment(\"resetppc\",  0xffffff80, 0x0080, IntTab(1), true));" + CR;
	mapping = mapping + "maptab.add(Segment(\"resetnios\", 0x00802000, 0x1000, IntTab(1), true));" + CR;
	mapping = mapping + "maptab.add(Segment(\"resetzero\", 0x00000000, 0x1000, IntTab(1), true));" + CR;
	mapping = mapping + "maptab.add(Segment(\"resetmips\", 0xbfc00000, 0x1000, IntTab(1), true));" + CR;
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    /*there are seven targets which are fixed; target 3 to 6 are transparent and do not appear in the TTool deployment diagram:

      Targets on RAM0 :
      the text segment (target 0)
      the reset segment (target 1)
      the data segment (target 2)

      Other targets :
      the simhelper segment (target 3)
      the icu segment (target 4)
      the timer segment (target 5)
      the fdt segment (target 6)
 
      additional RAM segments (target 6+i)
      tty segments (target 6+i+j)
      fd access segment (target 6+i+j+1)
      ethernet segment (target 6+i+j+2)
      block device segment (target 6+i+j+3)
    */
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	mapping += CR2 + "// RAM segments" + CR2;
	mapping += "maptab.add(Segment(\"text\", 0x60000000, 0x00100000, IntTab(0), true));" + CR;
	mapping += "maptab.add(Segment(\"rodata\", 0x80000000, 0x01000000, IntTab(1), true));" + CR;
	mapping += "maptab.add(Segment(\"data\", 0x7f000000, 0x01000000, IntTab(2), false)); " + CR2;

	mapping = mapping + "maptab.add(Segment(\"simhelper\", 0xd3200000, 0x00000100, IntTab(3), false));" + CR;	
	mapping = mapping + " maptab.add(Segment(\"vci_xicu\", 0xd2200000, 0x00001000, IntTab(4), false));" + CR;	
	mapping = mapping + "maptab.add(Segment(\"vci_rttimer\", 0xd6000000, 0x00000100, IntTab(5), false));" + CR2;
	mapping = mapping + "maptab.add(Segment(\"vci_fdt_rom\", 0xe0000000, 0x00001000, IntTab(6), false));" + CR2;

    /* here we have a loop over the CHANNEL segments specified in the deployment diagram and we calculate their addresses in a loop; more refined methods may be proposed later */

	int j=0; 
	//int k=0;

	if(TopCellGenerator.avatardd.getAllCrossbar().size()==0){	     
	    for (AvatarRAM ram : TopCellGenerator.avatardd.getAllRAM()) {						      
		/* Boot Ram segments 0,1,2 */
		if(ram.getNo_ram() ==0){
		    ram.setNo_target(2);//in the following assign target number 2	
		    mapping += "maptab.add(Segment(\"cram" + ram.getNo_ram() + "\", 0x" +(ram.getNo_ram()+1)+ "0000000, 0x00100000, IntTab("+(ram.getNo_target())+"), false));" + CR;
		    mapping += "maptab.add(Segment(\"uram" + ram.getNo_ram() + "\", 0x" +(ram.getNo_ram()+1)+ "0200000, 0x00100000, IntTab("+(ram.getNo_target())+"), false));" + CR;	   
		}
		else{
		    ram.setNo_target(7+j);
		    mapping += "maptab.add(Segment(\"cram" + ram.getNo_ram() + "\", 0x" +(ram.getNo_ram()+1)+ "0000000, 0x00100000, IntTab("+(ram.getNo_target())+"), false));" + CR;
		    mapping += "maptab.add(Segment(\"uram" + ram.getNo_ram() + "\", 0x" +(ram.getNo_ram()+1)+ "0200000, 0x00100000, IntTab("+(ram.getNo_target())+"), false));" + CR;
		    j++;	 
		}
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      }
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      int m=0;
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      for (AvatarTTY tty : TopCellGenerator.avatardd.getAllTTY()) {
	  /* we calculate the target number of one or several (multi-) ttys which come after the j rams and the 7 compulsory targets */
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        tty.setNo_target(7+j);
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        /* we use a simple formula for calculating the TTY address in case of multiple (multi-) ttys */
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	/* attention this will not work for more than 10 TTYs */
	mapping += "maptab.add(Segment(\"vci_multi_tty"+m+"\" , 0xd"+tty.getNo_tty()+"200000, 0x00000010, IntTab(" +tty.getNo_target() +"), false));" + CR;
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	//	mapping += "maptab.add(Segment(\"vci_multi_tty"+m+"\" , 0xe"+(m+1)+"200000, 0x00000010, IntTab(" +tty.getNo_target() +"), false));" + CR;
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        j++;
	m++;
	l=tty.getNo_target();
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      }
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    }
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      else{
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	  /* clustered version */
      for (AvatarRAM ram : TopCellGenerator.avatardd.getAllRAM()) {
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	  mapping += "maptab.add(Segment(\"cram" + ram.getNo_ram() + "\", 0x" +(ram.getNo_ram()+1)+ "0000000, 0x00100000, IntTab("+ram.getNo_cluster()+","+(ram.getNo_target()+2)+"), false));" + CR;
	  mapping += "maptab.add(Segment(\"uram" + ram.getNo_ram() + "\", 0x" +(ram.getNo_ram()+1)+ "0200000, 0x00100000, IntTab("+ram.getNo_cluster()+","+(ram.getNo_target()+2)+"), false));" + CR;
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      }
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      int m=0;
      for (AvatarTTY tty : TopCellGenerator.avatardd.getAllTTY()) {
	  /* we calculate the target number of one or several (multi-) ttys which come after the j rams and the 7 compulsory targets */
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        tty.setNo_target(7+j);
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        /* we use a simple formula for calculating the TTY address in case of multiple (multi-) ttys */
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	/* only one tty per cluster currently */
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	//	mapping += "maptab.add(Segment(\"vci_multi_tty\" , 0xd"+tty.getNo_tty()+"200000, 0x00000010, IntTab("+m+","+tty.getNo_target() +"), false));" + CR;
	mapping += "maptab.add(Segment(\"vci_multi_tty"+m+"\", 0xe"+(m+1)+"200000, 0x00000010, IntTab("+m+","+tty.getNo_target() +"), false));" + CR;
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        j++; 
	m++;
	l=tty.getNo_target();
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      }
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    }
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      mapping = mapping + "maptab.add(Segment(\"vci_fd_access\", 0xd4200000, 0x00000100, IntTab("+(l+1)+"), false));" + CR;
      mapping = mapping + "maptab.add(Segment(\"vci_ethernet\",  0xd5000000, 0x00000020, IntTab("+(l+2)+"), false));" + CR;
      mapping = mapping + "maptab.add(Segment(\"vci_block_device\", 0xd1200000, 0x00000020, IntTab("+(l+3)+"), false));" + CR2;
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      mapping = mapping + "maptab.add(Segment(\"vci_locks\", 0xC0200000, 0x00000100, IntTab("+(l+4)+"), false));" + CR2;
mapping = mapping + "maptab.add(Segment(\"mwmr_ram\", 0xA0200000,  0x00001000, IntTab("+(l+5)+"), false));" + CR2;
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mapping = mapping + "maptab.add(Segment(\"mwmrd_ram\", 0xB0200000,  0x00003000, IntTab("+(l+6)+"), false));" + CR2;
    
    }
    else{
		//clustered version	
		mapping = CR2 + "//-----------------------mapping table------------------------" + CR2;
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      mapping = mapping + "// ppc segments" + CR2;

      mapping = mapping + "maptab.add(Segment(\"resetppc\",  0xffffff80, 0x0080, IntTab(0,1), true));" + CR;
      mapping = mapping + "maptab.add(Segment(\"resetnios\", 0x00802000, 0x1000, IntTab(0,1), true));" + CR;
      mapping = mapping + "maptab.add(Segment(\"resetzero\", 0x00000000, 0x1000, IntTab(0,1), true));" + CR;
      mapping = mapping + "maptab.add(Segment(\"resetmips\", 0xbfc00000, 0x1000, IntTab(0,1), true));" + CR;
	
      mapping += CR2 + "// RAM shared segments" + CR2;
      mapping += "maptab.add(Segment(\"text\", 0x60000000, 0x00100000, IntTab(0,0), true));" + CR;
      mapping += "maptab.add(Segment(\"rodata\", 0x80000000, 0x01000000, IntTab(0,1), true));" + CR;
      mapping += "maptab.add(Segment(\"data\", 0x7f000000, 0x01000000, IntTab(0,2), false)); " + CR2;

      mapping = mapping + "maptab.add(Segment(\"simhelper\", 0xd3200000, 0x00000100, IntTab(0,3), false));" + CR;	
      mapping = mapping + " maptab.add(Segment(\"vci_xicu\", 0xd2200000, 0x00001000, IntTab(0,4), false));" + CR;	
      mapping = mapping + "maptab.add(Segment(\"vci_rttimer\", 0xd6000000, 0x00000100, IntTab(0,5), false));" + CR2;
      mapping = mapping + "maptab.add(Segment(\"vci_fdt_rom\", 0xe0000000, 0x00001000, IntTab(0,6), false));" + CR2;
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      //fixed adresses also for the following hidden components, all in cluster 0 exclusively
      mapping = mapping + "maptab.add(Segment(\"vci_fd_access\", 0xd4200000, 0x00000100, IntTab(0,7), false));" + CR;
      mapping = mapping + "maptab.add(Segment(\"vci_ethernet\",  0xd5000000, 0x00000020, IntTab(0,8), false));" + CR;
      mapping = mapping + "maptab.add(Segment(\"vci_block_device\", 0xd1200000, 0x00000020, IntTab(0,9), false));" + CR2;
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      int j=0; int c;
      for (AvatarChannel channel : TopCellGenerator.avatardd.getAllMappedChannels()) {    		
	  //we need to know on which cluster the channel is mapped	  	   	  
	  mapping += "maptab.add(Segment(\"channel" + j+ "\", 0x" + channel.getNo_cluster() + "f000000, 0x00100000, IntTab("+channel.getNo_cluster()+","+channel.getRAMNo()+"), false));" + CR;			  
	  j++;
      }	  
	
      // DG 24.08. mettre a jour pour eviter le chevauchement des segments    
      for(c=0;c<nb_clusters;c++){
	  //	  mapping = mapping + "maptab.add(Segment(\"vci_locks"+c+"\", 0xC0200000, 0x00000100, IntTab("+c+",3), false));" + CR2;
	  mapping = mapping + "maptab.add(Segment(\"vci_locks"+c+"\", 0xC"+c+"200000, 0x00000100, IntTab("+c+",3), false));" + CR2;
	  mapping = mapping + "maptab.add(Segment(\"mwmr_ram"+c+"\", 0xA"+c+"200000,  0x00001000, IntTab("+c+",1), false));" + CR2;
	  mapping = mapping + "maptab.add(Segment(\"mwmrd_ram"+c+"\", 0xB"+c+"200000,  0x00003000, IntTab("+c+",2), false));" + CR2;   
      }
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      //now treat ram and tty
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      for (AvatarRAM ram : TopCellGenerator.avatardd.getAllRAM()) {			           	  	     
	  c=ram.getIndex();
	  ram.setNo_target(4); 
	  mapping += "maptab.add(Segment(\"vci_multi_ram"+ram.getIndex()+"\" , 0xd"+ram.getIndex()+"0200000, 0x00010000, IntTab("+ram.getIndex()+",5), false));" + CR;    
      }

      //one tty per cluster
      int i=0;
      for (AvatarTTY tty : TopCellGenerator.avatardd.getAllTTY()) {	   
	  c=tty.getIndex();	
	  tty.setNo_target(5);
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	  // mapping += "maptab.add(Segment(\"vci_multi_tty"+tty.getIndex()+"\" , 0xd"+tty.getIndex()+"0200000, 0x00000010, IntTab("+tty.getIndex()+",5), false));" + CR;    
	  mapping += "maptab.add(Segment(\"vci_multi_tty"+i+"\" , 0xd"+tty.getIndex()+"0200000, 0x00000010, IntTab("+tty.getIndex()+",5), false));" + CR;  
	  i++;  
      }
    }
   
    return mapping;   
    }
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}