private void startDma(int dmaControl)
{
this.dmaControl = dmaControl;
if ((dmaControl & DMA_CONTROL_START) != 0)
{
int ppn = dmaAddress >> 10;
int scramble = getScramble(ppn);
// Read or write operation?
if ((dmaControl & DMA_CONTROL_WRITE) != 0)
{
int lbn = endianSwap16(pageEccMemory.read16(6) & 0xFFFF);
if (lbn == 0xFFFF)
{
//if (log.DebugEnabled)
{
Console.WriteLine(string.Format("writing to ppn=0x{0:X} with lbn=0x{1:X} ignored", ppn, lbn));
}
}
else
{
TPointer spare = pageEccMemory.Pointer;
sceNandModule.hleNandWriteSparePages(ppn, spare, 1, true, true, true);
TPointer user = pageDataMemory.Pointer;
// Updating the scramble as the LBN corresponding to the PPN might have been moved
scramble = getScramble(ppn);
if (scramble != 0)
{
sceNand.descramblePage(scramble, ppn, MMIOHandlerNandPage.Instance.Data, scrambleBuffer);
user = scrambleBufferMemory.Pointer;
}
sceNandModule.hleNandWriteUserPages(ppn, user, 1, true, true);
//if (log.DebugEnabled)
{
sbyte[] userBytes = new sbyte[sceNand.pageSize];
user = scramble != 0 ? scrambleBufferMemory.Pointer : pageDataMemory.Pointer;
for (int i = 0; i < userBytes.Length; i++)
{
userBytes[i] = user.getValue8(i);
}
sbyte[] spareBytes = new sbyte[16];
spare = pageEccMemory.Pointer;
for (int i = 0; i < spareBytes.Length; i++)
{
spareBytes[i] = spare.getValue8(i);
}
Console.WriteLine(string.Format("hleNandWritePages ppn=0x{0:X}, lbn=0x{1:X}, scramble=0x{2:X}: {3}{4}Spare: {5}", ppn, lbn, scramble, Utilities.getMemoryDump(userBytes), lineSeparator, Utilities.getMemoryDump(spareBytes)));
}
}
triggerInterrupt(PSP_NAND_INTR_WRITE_COMPLETED);
}
else
{
TPointer user = scramble != 0 ? scrambleBufferMemory.Pointer : pageDataMemory.Pointer;
TPointer spare = pageEccMemory.Pointer;
sceNandModule.hleNandReadPages(ppn, user, spare, 1, true, true, true);
//if (log.DebugEnabled)
{
sbyte[] bytes = new sbyte[sceNand.pageSize];
user = scramble != 0 ? scrambleBufferMemory.Pointer : pageDataMemory.Pointer;
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = user.getValue8(i);
}
Console.WriteLine(string.Format("hleNandReadPages ppn=0x{0:X}, scramble=0x{1:X}: {2}", ppn, scramble, Utilities.getMemoryDump(bytes)));
}
if (scramble != 0)
{
sceNand.scramblePage(scramble, ppn, scrambleBuffer, MMIOHandlerNandPage.Instance.Data);
}
triggerInterrupt(PSP_NAND_INTR_READ_COMPLETED);
}
}
}
private int hleUtilsBufferCopyWithRange()
{
TPointer outAddr = new TPointer(Memory, normalizeAddress(destAddr));
TPointer inAddr = new TPointer(Memory, normalizeAddress(sourceAddr));
int inSize;
int outSize;
int dataSize;
int dataOffset;
switch (command)
{
case PSP_KIRK_CMD_ENCRYPT:
case PSP_KIRK_CMD_ENCRYPT_FUSE:
// AES128_CBC_Header
dataSize = inAddr.getValue32(16);
inSize = dataSize + 20;
outSize = dataSize + 20;
break;
case PSP_KIRK_CMD_DECRYPT:
case PSP_KIRK_CMD_DECRYPT_FUSE:
// AES128_CBC_Header
dataSize = inAddr.getValue32(16);
inSize = dataSize + 20;
outSize = dataSize;
break;
case PSP_KIRK_CMD_DECRYPT_PRIVATE:
// AES128_CMAC_Header
dataSize = inAddr.getValue32(112);
dataOffset = inAddr.getValue32(116);
inSize = 144 + Utilities.alignUp(dataSize, 15) + dataOffset;
outSize = Utilities.alignUp(dataSize, 15);
break;
case PSP_KIRK_CMD_PRIV_SIG_CHECK:
// AES128_CMAC_Header
dataSize = inAddr.getValue32(112);
dataOffset = inAddr.getValue32(116);
inSize = 144 + Utilities.alignUp(dataSize, 15) + dataOffset;
outSize = 0;
break;
case PSP_KIRK_CMD_SHA1_HASH:
// SHA1_Header
inSize = inAddr.getValue32(0) + 4;
outSize = 20;
break;
case PSP_KIRK_CMD_ECDSA_GEN_KEYS:
inSize = 0;
outSize = 0x3C;
break;
case PSP_KIRK_CMD_ECDSA_MULTIPLY_POINT:
inSize = 0x3C;
outSize = 0x28;
break;
case PSP_KIRK_CMD_PRNG:
inSize = 0;
outSize = 0x10; // TODO Unknown outSize?
break;
case PSP_KIRK_CMD_ECDSA_SIGN:
inSize = 0x34;
outSize = 0x28;
break;
case PSP_KIRK_CMD_ECDSA_VERIFY:
inSize = 0x64;
outSize = 0;
break;
case PSP_KIRK_CMD_INIT:
inSize = 0;
outSize = 0;
break;
case PSP_KIRK_CMD_CERT_VERIFY:
inSize = 0xB8;
outSize = 0;
break;
default:
Console.WriteLine(string.Format("MMIOHandlerKirk.hleUtilsBufferCopyWithRange unimplemented KIRK command 0x{0:X}", command));
result = PSP_KIRK_INVALID_OPERATION;
return(0);
}
//if (log.DebugEnabled)
{
Console.WriteLine(string.Format("hleUtilsBufferCopyWithRange input: {0}", Utilities.getMemoryDump(inAddr, inSize)));
}
foreach (int commandToBeDumped in commandsToBeDumped)
{
if (command == commandToBeDumped)
{
string dumpFileName = string.Format("dump.hleUtilsBufferCopyWithRange.{0:D}", dumpIndex++);
Console.WriteLine(string.Format("MMIOHandlerKirk: hleUtilsBufferCopyWithRange dumping command=0x{0:X}, outputSize=0x{1:X}, inputSize=0x{2:X}, input dumped into file '{3}'", command, outSize, inSize, dumpFileName));
try
{
System.IO.Stream dump = new System.IO.FileStream(dumpFileName, System.IO.FileMode.Create, System.IO.FileAccess.Write);
sbyte[] inputBuffer = new sbyte[inSize];
for (int i = 0; i < inSize; i++)
{
inputBuffer[i] = inAddr.getValue8(i);
}
dump.Write(inputBuffer, 0, inputBuffer.Length);
dump.Close();
}
catch (IOException)
{
}
}
}
result = Modules.semaphoreModule.hleUtilsBufferCopyWithRange(outAddr, outSize, inAddr, inSize, command);
//if (log.DebugEnabled)
{
Console.WriteLine(string.Format("hleUtilsBufferCopyWithRange result=0x{0:X}, output: {1}", result, Utilities.getMemoryDump(outAddr, outSize)));
}
if (result != 0)
{
string dumpFileName = string.Format("dump.hleUtilsBufferCopyWithRange.{0:D}", dumpIndex++);
Console.WriteLine(string.Format("MMIOHandlerKirk: hleUtilsBufferCopyWithRange returned error result=0x{0:X} for command=0x{1:X}, outputSize=0x{2:X}, inputSize=0x{3:X}, input dumped into file '{4}'", result, command, outSize, inSize, dumpFileName));
try
{
System.IO.Stream dump = new System.IO.FileStream(dumpFileName, System.IO.FileMode.Create, System.IO.FileAccess.Write);
sbyte[] inputBuffer = new sbyte[inSize];
for (int i = 0; i < inSize; i++)
{
inputBuffer[i] = inAddr.getValue8(i);
}
dump.Write(inputBuffer, 0, inputBuffer.Length);
dump.Close();
}
catch (IOException)
{
}
}
return(System.Math.Max(inSize, outSize));
}