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NPDM KAC improvements +1

master
Dmitry Isaenko 2019-08-31 05:13:07 +03:00
parent 6e760d9a30
commit ead20d3264
1 changed files with 41 additions and 29 deletions
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70
src/main/java/konogonka/Tools/NPDM/ACID/KernelAccessControlProvider.java
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@ -3,6 +3,7 @@ package konogonka.Tools.NPDM.ACID;
import konogonka.LoperConverter;
import konogonka.RainbowHexDump;
import java.lang.reflect.Array;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.LinkedList;
@ -65,13 +66,24 @@ public class KernelAccessControlProvider {
private static final int KERNELRELEASEVERSION = 14;
private static final int HANDLETABLESIZE = 15;
private static final int DEBUGFLAGS = 16;
// Kernel flags
private boolean kernelFlagsAvailable;
private int kernelFlagCpuIdHi;
private int kernelFlagCpuIdLo;
private int kernelFlagThreadPrioHi;
private int kernelFlagThreadPrioLo;
// System Call Mask
private int maskTableIndex;
private int mask;
// Handle Table Size
private int handleTableSize;
// Application type
private int applicationType;
// Debug flags
private boolean debugFlagsAvailable;
private byte canBeDebugged;
private byte canDebugOthers;
KernelAccessControlProvider(byte[] bytes) throws Exception{
if (bytes.length < 4)
@ -81,72 +93,72 @@ public class KernelAccessControlProvider {
// Collect all blocks
for (int i = 0; i < bytes.length / 4; i++) {
int block = LoperConverter.getLEint(bytes, position);
byte[] blockBytes = Arrays.copyOfRange(bytes, position, position+4);
position += 4;
int type = getMinBitCnt(block);
switch (type){
case KERNELFLAGS:
System.out.println("KERNELFLAGS\t\t"+block+" "+type);
kernelFlagsAvailable = true;
kernelFlagCpuIdHi = block >> 24;
kernelFlagCpuIdLo = block >> 16 & 0b11111111;
kernelFlagThreadPrioHi = block >> 10 & 0b111111;
kernelFlagThreadPrioLo = block >> 4 & 0b111111;
System.out.println("KERNELFLAGS "+
kernelFlagCpuIdHi+" "+
kernelFlagCpuIdLo+" "+
kernelFlagThreadPrioHi+" "+
kernelFlagThreadPrioLo+"\n"
);
break;
case SYSCALLMASK:
/*
System.out.println("SYSCALLMASK\t\t"+block+" "+type);
maskTableIndex = block >> 29;
mask = block >> 5 & 0b11111111111111111111111;
*/
break;
case MAPIOORNORMALRANGE:
System.out.println("MAPIOORNORMALRANGE\t\t"+block+" "+type);
//System.out.println("MAPIOORNORMALRANGE\t\t"+block+" "+type);
break;
case MAPNORMALPAGE_RW:
System.out.println("MAPNORMALPAGE_RW\t\t"+block+" "+type);
//System.out.println("MAPNORMALPAGE_RW\t\t"+block+" "+type);
break;
case INTERRUPTPAIR:
System.out.println("INTERRUPTPAIR\t\t"+block+" "+type);
//System.out.println("INTERRUPTPAIR\t\t"+block+" "+type);
break;
case APPLICATIONTYPE:
System.out.println("APPLICATIONTYPE\t\t"+block+" "+type);
applicationType = block >> 14 & 0b111;
System.out.println("APPLICATIONTYPE "+applicationType);
break;
case KERNELRELEASEVERSION:
System.out.println("KERNELRELEASEVERSION\t"+block+" "+type);
//System.out.println("KERNELRELEASEVERSION\t"+block+" "+type);
break;
case HANDLETABLESIZE:
System.out.println("HANDLETABLESIZE\t\t"+block+" "+type);
handleTableSize = block >> 16 & 0b1111111111;
System.out.println("HANDLETABLESIZE "+handleTableSize);
break;
case DEBUGFLAGS:
System.out.println("DEBUGFLAGS\t\t"+block+" "+type);
debugFlagsAvailable = true;
canBeDebugged = blockBytes[17];
canDebugOthers = blockBytes[18];
System.out.println("DEBUGFLAGS "+canBeDebugged+" "+canDebugOthers);
break;
default:
System.out.println("UNKNOWN\t\t"+block+" "+type);
//System.out.println("UNKNOWN\t\t"+block+" "+type);
}
RainbowHexDump.octDumpInt(block);
}
System.out.println();
int KernelFlagsHiCpuId; // 7 31-24
int KernelFlagsLoCpuId; // 7 23-16
int KernelFlagsHiThreadPrio; // 5 15-10
int KernelFlagsLoThreadPrio; // 5 9-4
int SyscallMask;
int MapIoOrNormalRange;
int MapNormalPage_RW;
int InterruptPair;
int ApplicationType;
int KernelReleaseVersion;
int HandleTableSize ;
int DebugFlags;
}
private int getMinBitCnt(int value){
int minBitCnt = 0;
while ((value & 1) != 0){
value >>= 1;
minBitCnt++;