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#include "JSystem/JSystem.h" // IWYU pragma: keep
#include "JSystem/JKernel/JKRAramStream.h"
#include "JSystem/JKernel/JKRAramPiece.h"
#include "JSystem/JSupport/JSUFileStream.h"
#include "JSystem/JUtility/JUTException.h"
#include <stdint.h>
#if PLATFORM_GCN
const u32 stack_size = 0xc00;
#else
const u32 stack_size = 0x4000;
#endif
JKRAramStream* JKRAramStream::sAramStreamObject;
JKRAramStream* JKRAramStream::create(s32 priority) {
if (!sAramStreamObject) {
sAramStreamObject = new (JKRGetSystemHeap(), 0) JKRAramStream(priority);
JKRResetAramTransferBuffer();
}
return sAramStreamObject;
}
void* JKRAramStream::sMessageBuffer[4] = {
NULL,
NULL,
NULL,
NULL,
};
OSMessageQueue JKRAramStream::sMessageQueue = {0};
JKRAramStream::JKRAramStream(s32 priority) : JKRThread(stack_size, 0x10, priority) {
resume();
}
JKRAramStream::~JKRAramStream() {}
void* JKRAramStream::run() {
OSInitMessageQueue(&sMessageQueue, sMessageBuffer, ARRAY_SIZEU(sMessageBuffer));
for (;;) {
OSMessage message;
OSReceiveMessage(&sMessageQueue, &message, OS_MESSAGE_BLOCK);
JKRAramStreamCommand* command = (JKRAramStreamCommand*)message;
switch (command->mType) {
case JKRAramStreamCommand::READ:
readFromAram();
break;
case JKRAramStreamCommand::WRITE:
writeToAram(command);
break;
}
}
}
s32 JKRAramStream::readFromAram() {
return 1;
}
s32 JKRAramStream::writeToAram(JKRAramStreamCommand* command) {
u32 dstSize = command->mSize;
u32 offset = command->mOffset;
u32 writtenLength = 0;
u32 destination = command->mAddress;
u8* buffer = command->mTransferBuffer;
u32 bufferSize = command->mTransferBufferSize;
JKRHeap* heap = command->mHeap;
if (buffer) {
bufferSize = bufferSize == 0 ? 0x8000 : bufferSize;
command->mTransferBufferSize = bufferSize;
command->mAllocatedTransferBuffer = false;
} else {
bufferSize = bufferSize == 0 ? 0x8000 : bufferSize;
if (heap) {
buffer = (u8*)JKRAllocFromHeap(heap, bufferSize, -0x20);
command->mTransferBuffer = buffer;
} else {
buffer = (u8*)JKRAllocFromSysHeap(bufferSize, -0x20);
command->mTransferBuffer = buffer;
}
command->mTransferBufferSize = bufferSize;
command->mAllocatedTransferBuffer = true;
}
if (!buffer) {
if (!heap) {
JKRGetCurrentHeap()->dump();
} else {
heap->dump();
}
JUTException::panic(__FILE__, 172, ":::Cannot alloc memory\n");
}
if (buffer) {
command->mStream->seek(offset, JSUStreamSeekFrom_SET);
while (dstSize != 0) {
u32 length = (dstSize > bufferSize) ? bufferSize : dstSize;
s32 readLength = command->mStream->read(buffer, length);
if (readLength == 0) {
writtenLength = 0;
break;
}
JKRAramPcs(0, (uintptr_t)buffer, destination, length, NULL);
dstSize -= length;
offset += length;
writtenLength += length;
destination += length;
if (command->mReturnSize) {
*command->mReturnSize += length;
}
}
if (command->mAllocatedTransferBuffer) {
JKRFree(buffer);
command->mAllocatedTransferBuffer = false;
}
}
OSSendMessage(&command->mMessageQueue, (OSMessage)writtenLength, OS_MESSAGE_NOBLOCK);
return writtenLength;
}
u8* JKRAramStream::transBuffer;
u32 JKRAramStream::transSize;
JKRHeap* JKRAramStream::transHeap;
JKRAramStreamCommand* JKRAramStream::write_StreamToAram_Async(JSUFileInputStream* stream, u32 addr,
u32 size, u32 offset,
u32* returnSize) {
JKRAramStreamCommand* command = new (JKRGetSystemHeap(), -4) JKRAramStreamCommand();
command->mType = JKRAramStreamCommand::WRITE;
command->mAddress = addr;
command->mSize = size;
command->mStream = stream;
command->field_0x2c = 0;
command->mOffset = offset;
command->mTransferBuffer = transBuffer;
command->mHeap = transHeap;
command->mTransferBufferSize = transSize;
command->mReturnSize = returnSize;
if (returnSize) {
*returnSize = 0;
}
OSInitMessageQueue(&command->mMessageQueue, &command->mMessage, 1);
OSSendMessage(&sMessageQueue, command, OS_MESSAGE_BLOCK);
return command;
}
JKRAramStreamCommand* JKRAramStream::sync(JKRAramStreamCommand* command, BOOL isNonBlocking) {
OSMessage message;
if (isNonBlocking == 0) {
OSReceiveMessage(&command->mMessageQueue, &message, OS_MESSAGE_BLOCK);
if (message == NULL) {
return NULL;
} else {
return command;
}
} else {
if (OSReceiveMessage(&command->mMessageQueue, &message, OS_MESSAGE_NOBLOCK) == FALSE) {
return NULL;
} else if (message == NULL) {
return NULL;
} else {
return command;
}
}
}
void JKRAramStream::setTransBuffer(u8* buffer, u32 bufferSize, JKRHeap* heap) {
transBuffer = NULL;
transSize = 0x8000;
transHeap = NULL;
if (buffer) {
transBuffer = (u8*)ALIGN_NEXT((uintptr_t)buffer, 0x20);
}
if (bufferSize) {
transSize = ALIGN_PREV(bufferSize, 0x20);
}
if (heap && !buffer) {
transHeap = heap;
}
}
JKRAramStreamCommand::JKRAramStreamCommand() {
mAllocatedTransferBuffer = false;
}
static void dummy(JSURandomInputStream* stream) {
stream->getAvailable();
}
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