NPDM KAC improvements #2
This commit is contained in:
Dmitry Isaenko
parent
91f33b6d48
commit
6e760d9a30
1 changed files with 98 additions and 32 deletions
|
|
@ -3,6 +3,10 @@ package konogonka.Tools.NPDM.ACID;
|
||||||
import konogonka.LoperConverter;
|
import konogonka.LoperConverter;
|
||||||
import konogonka.RainbowHexDump;
|
import konogonka.RainbowHexDump;
|
||||||
|
|
||||||
|
import java.nio.ByteBuffer;
|
||||||
|
import java.util.Arrays;
|
||||||
|
import java.util.LinkedList;
|
||||||
|
|
||||||
/*
|
/*
|
||||||
NOTE:
|
NOTE:
|
||||||
KAC is set of 4-byes blocks
|
KAC is set of 4-byes blocks
|
||||||
|
|
@ -22,18 +26,26 @@ Example:
|
||||||
9 32-33-34-35
|
9 32-33-34-35
|
||||||
|
|
||||||
Possible patterns are:
|
Possible patterns are:
|
||||||
|
Where '+' is useful data; '0' and '1' in low bytes are pattern.
|
||||||
Octal | Decimal
|
Octal | Decimal
|
||||||
00000000000000000000000000000111 | 7 <- KernelFlags
|
++++++++++++++++++++++++++++0111 | 7 <- KernelFlags
|
||||||
00000000000000000000000000001111 | 15 <- SyscallMask
|
+++++++++++++++++++++++++++01111 | 15 <- SyscallMask
|
||||||
00000000000000000000000000111111 | 63 <- MapIoOrNormalRange
|
+++++++++++++++++++++++++0111111 | 63 <- MapIoOrNormalRange
|
||||||
00000000000000000000000001111111 | 127 <- MapNormalPage (RW)
|
++++++++++++++++++++++++01111111 | 127 <- MapNormalPage (RW)
|
||||||
00000000000000000000011111111111 | 2047 <- InterruptPair
|
++++++++++++++++++++011111111111 | 2+47 <- InterruptPair
|
||||||
00000000000000000001111111111111 | 8191 <- ApplicationType
|
++++++++++++++++++01111111111111 | 8191 <- ApplicationType
|
||||||
00000000000000000011111111111111 | 16383 <- KernelReleaseVersion
|
+++++++++++++++++011111111111111 | 16383 <- KernelReleaseVersion
|
||||||
00000000000000000111111111111111 | 32767 <- HandleTableSize
|
++++++++++++++++0111111111111111 | 32767 <- HandleTableSize
|
||||||
00000000000000001111111111111111 | 65535 <- DebugFlags
|
+++++++++++++++01111111111111111 | 65535 <- DebugFlags
|
||||||
Other masks could be implemented by N in future (?).
|
Other masks could be implemented by N in future (?).
|
||||||
|
|
||||||
|
Calculation example:
|
||||||
|
Dec 1 = 00000000000000000000000000000001
|
||||||
|
00100000000000000000000000000111 & 1 = 1
|
||||||
|
00010000000000000000000000000011 & 1 = 1
|
||||||
|
00001000000000000000000000000001 & 1 = 1
|
||||||
|
00000100000000000000000000000000 & 1 = 0
|
||||||
|
|
||||||
TIP: Generate
|
TIP: Generate
|
||||||
int j = 0xFFFFFFFF;
|
int j = 0xFFFFFFFF;
|
||||||
for (byte i = 0; i < 16; i++){
|
for (byte i = 0; i < 16; i++){
|
||||||
|
|
@ -44,36 +56,80 @@ for (byte i = 0; i < 16; i++){
|
||||||
|
|
||||||
public class KernelAccessControlProvider {
|
public class KernelAccessControlProvider {
|
||||||
|
|
||||||
|
private static final int KERNELFLAGS = 3;
|
||||||
|
private static final int SYSCALLMASK = 4;
|
||||||
|
private static final int MAPIOORNORMALRANGE = 6;
|
||||||
|
private static final int MAPNORMALPAGE_RW = 7;
|
||||||
|
private static final int INTERRUPTPAIR = 11;
|
||||||
|
private static final int APPLICATIONTYPE = 13;
|
||||||
|
private static final int KERNELRELEASEVERSION = 14;
|
||||||
|
private static final int HANDLETABLESIZE = 15;
|
||||||
|
private static final int DEBUGFLAGS = 16;
|
||||||
|
|
||||||
|
private boolean kernelFlagsAvailable;
|
||||||
|
private int kernelFlagCpuIdHi;
|
||||||
|
private int kernelFlagCpuIdLo;
|
||||||
|
private int kernelFlagThreadPrioHi;
|
||||||
|
private int kernelFlagThreadPrioLo;
|
||||||
|
|
||||||
|
|
||||||
KernelAccessControlProvider(byte[] bytes) throws Exception{
|
KernelAccessControlProvider(byte[] bytes) throws Exception{
|
||||||
if (bytes.length < 4)
|
if (bytes.length < 4)
|
||||||
throw new Exception("ACID-> KernelAccessControlProvider: too small size of the Kernel Access Control");
|
throw new Exception("ACID-> KernelAccessControlProvider: too small size of the Kernel Access Control");
|
||||||
final int pattrnKernFlags = 7;
|
|
||||||
final int pattrnSyscallMsk = 15;
|
|
||||||
final int pattrnMapIoNormalRange = 63;
|
|
||||||
final int pattrnRw = 127;
|
|
||||||
final int pattrnInterrPair = 2047;
|
|
||||||
final int pattrnAppType = 8191;
|
|
||||||
final int pattrnKernRelVer = 16383;
|
|
||||||
final int pattrnHandlTblSize = 32767;
|
|
||||||
final int pattrnDbgFlags = 65535;
|
|
||||||
|
|
||||||
RainbowHexDump.hexDumpUTF8(bytes);
|
int position = 0;
|
||||||
for (int o = 0; o < bytes.length; o += 4) {
|
// Collect all blocks
|
||||||
RainbowHexDump.octDumpInt(LoperConverter.getLEint(bytes, o));
|
for (int i = 0; i < bytes.length / 4; i++) {
|
||||||
|
int block = LoperConverter.getLEint(bytes, position);
|
||||||
|
position += 4;
|
||||||
|
|
||||||
|
int type = getMinBitCnt(block);
|
||||||
|
|
||||||
|
switch (type){
|
||||||
|
case KERNELFLAGS:
|
||||||
|
System.out.println("KERNELFLAGS\t\t"+block+" "+type);
|
||||||
|
kernelFlagsAvailable = true;
|
||||||
|
|
||||||
|
break;
|
||||||
|
case SYSCALLMASK:
|
||||||
|
System.out.println("SYSCALLMASK\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case MAPIOORNORMALRANGE:
|
||||||
|
System.out.println("MAPIOORNORMALRANGE\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case MAPNORMALPAGE_RW:
|
||||||
|
System.out.println("MAPNORMALPAGE_RW\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case INTERRUPTPAIR:
|
||||||
|
System.out.println("INTERRUPTPAIR\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case APPLICATIONTYPE:
|
||||||
|
System.out.println("APPLICATIONTYPE\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case KERNELRELEASEVERSION:
|
||||||
|
System.out.println("KERNELRELEASEVERSION\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case HANDLETABLESIZE:
|
||||||
|
System.out.println("HANDLETABLESIZE\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
case DEBUGFLAGS:
|
||||||
|
System.out.println("DEBUGFLAGS\t\t"+block+" "+type);
|
||||||
|
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
System.out.println("UNKNOWN\t\t"+block+" "+type);
|
||||||
|
}
|
||||||
|
RainbowHexDump.octDumpInt(block);
|
||||||
}
|
}
|
||||||
System.out.println();
|
System.out.println();
|
||||||
|
|
||||||
RainbowHexDump.octDumpInt(pattrnKernFlags);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnSyscallMsk);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnMapIoNormalRange);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnRw);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnInterrPair);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnAppType);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnKernRelVer);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnHandlTblSize);
|
|
||||||
RainbowHexDump.octDumpInt(pattrnDbgFlags);
|
|
||||||
|
|
||||||
|
|
||||||
int KernelFlagsHiCpuId; // 7 31-24
|
int KernelFlagsHiCpuId; // 7 31-24
|
||||||
int KernelFlagsLoCpuId; // 7 23-16
|
int KernelFlagsLoCpuId; // 7 23-16
|
||||||
int KernelFlagsHiThreadPrio; // 5 15-10
|
int KernelFlagsHiThreadPrio; // 5 15-10
|
||||||
|
|
@ -87,4 +143,14 @@ public class KernelAccessControlProvider {
|
||||||
int HandleTableSize ;
|
int HandleTableSize ;
|
||||||
int DebugFlags;
|
int DebugFlags;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
private int getMinBitCnt(int value){
|
||||||
|
int minBitCnt = 0;
|
||||||
|
|
||||||
|
while ((value & 1) != 0){
|
||||||
|
value >>= 1;
|
||||||
|
minBitCnt++;
|
||||||
|
}
|
||||||
|
return minBitCnt;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue