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#include <revolution.h>
#include <revolution/aralt.h>
#include "sdk_math.h"
#include <cstring>
#include "__ar.h"
static void (*__AR_Callback)();
static u32 __AR_Size;
static u32 __AR_InternalSize;
static u32 __ARH_BaseAdr;
static ARQRequest* __ARQRequestQueueHi;
static ARQRequest* __ARQRequestQueueLo;
static ARQRequest* __ARQRequestPendingHi;
static ARQRequest* __ARQRequestPendingLo;
static ARQCallback __ARQCallbackHi;
static ARQCallback __ARQCallbackLo;
static u32 __ARQChunkSize;
static BOOL __ARQ_init_flag;
static BOOL __AR_init_flag;
static u32 __ARALT_AramStartAdr = 0x90000000;
static u32 __ARH_MemoryTop = 0x90000000;
ARQCallback ARRegisterDMACallback(ARQCallback callback) {
ARQCallback old_callback;
BOOL old;
old_callback = __AR_Callback;
old = OSDisableInterrupts();
__AR_Callback = callback;
OSRestoreInterrupts(old);
return old_callback;
}
void ARStartDMA(u32 type, u32 mainmem_addr, u32 aram_addr, u32 length) {
OSDisableScheduler();
if (type == 0) {
aram_addr += __ARH_BaseAdr;
DCInvalidateRange((u32*)mainmem_addr, length);
memcpy((u32*)aram_addr, (u32*)mainmem_addr, length);
DCFlushRange((u32*)aram_addr, length);
} else if (type == 1) {
mainmem_addr += __ARH_BaseAdr;
DCFlushRange((u32*)mainmem_addr, length);
memcpy((u32*)aram_addr, (u32*)mainmem_addr, length);
DCFlushRange((u32*)aram_addr, length);
}
OSEnableScheduler();
if (__AR_Callback != NULL) {
(*__AR_Callback)();
}
}
u32 ARAlloc(u32 length) {
u32 tmp;
BOOL old;
old = OSDisableInterrupts();
tmp = __ARH_MemoryTop;
OSRestoreInterrupts(old);
__ARH_MemoryTop += length;
return tmp - __ARH_BaseAdr;
}
u32 ARInit(u32* stack_index_addr, u32 num_entries) {
BOOL old;
if (__AR_init_flag) {
return ARGetBaseAddress();
}
old = OSDisableInterrupts();
__AR_Callback = NULL;
__AR_init_flag = TRUE;
OSRestoreInterrupts(old);
{
u32 start;
u32 end;
start = __ARALT_AramStartAdr;
end = start + 0x1100000;
__ARH_MemoryTop = ARGetBaseAddress() + start;
__ARH_BaseAdr = start;
OSReport("ARInit : Dummy ARAM enabled (RVL), area %p -> %p (size 0x%x)\n", start, end, end - start);
__AR_Size = end - start;
__AR_InternalSize = __AR_Size;
}
return ARGetBaseAddress();
}
u32 ARGetBaseAddress(void) {
return 0x4000;
}
u32 ARGetSize(void) {
return __AR_Size;
}
void __ARQPopTaskQueueHi(void) {
if (__ARQRequestQueueHi) {
if (__ARQRequestQueueHi->type == 0) {
ARStartDMA(__ARQRequestQueueHi->type, __ARQRequestQueueHi->source, __ARQRequestQueueHi->dest, __ARQRequestQueueHi->length);
} else {
ARStartDMA(__ARQRequestQueueHi->type, __ARQRequestQueueHi->dest, __ARQRequestQueueHi->source, __ARQRequestQueueHi->length);
}
__ARQCallbackHi = __ARQRequestQueueHi->callback;
__ARQRequestPendingHi = __ARQRequestQueueHi;
__ARQRequestQueueHi = __ARQRequestQueueHi->next;
}
}
void __ARQServiceQueueLo(void) {
if (__ARQRequestPendingLo == NULL && __ARQRequestQueueLo) {
__ARQRequestPendingLo = __ARQRequestQueueLo;
__ARQRequestQueueLo = __ARQRequestQueueLo->next;
}
if (__ARQRequestPendingLo) {
if (__ARQRequestPendingLo->length <= __ARQChunkSize) {
if (__ARQRequestPendingLo->type == 0) {
ARStartDMA(__ARQRequestPendingLo->type, __ARQRequestPendingLo->source, __ARQRequestPendingLo->dest, __ARQRequestPendingLo->length);
} else {
ARStartDMA(__ARQRequestPendingLo->type, __ARQRequestPendingLo->dest, __ARQRequestPendingLo->source, __ARQRequestPendingLo->length);
}
__ARQCallbackLo = __ARQRequestPendingLo->callback;
} else if (__ARQRequestPendingLo->type == 0) {
ARStartDMA(__ARQRequestPendingLo->type, __ARQRequestPendingLo->source, __ARQRequestPendingLo->dest, __ARQChunkSize);
} else {
ARStartDMA(__ARQRequestPendingLo->type, __ARQRequestPendingLo->dest, __ARQRequestPendingLo->source, __ARQChunkSize);
}
__ARQRequestPendingLo->length -= __ARQChunkSize;
__ARQRequestPendingLo->source += __ARQChunkSize;
__ARQRequestPendingLo->dest += __ARQChunkSize;
}
}
void __ARQInterruptServiceRoutine(u32) {
if (__ARQCallbackHi) {
__ARQCallbackHi((u32)__ARQRequestPendingHi);
__ARQRequestPendingHi = NULL;
__ARQCallbackHi = NULL;
} else if (__ARQCallbackLo) {
__ARQCallbackLo((u32)__ARQRequestPendingLo);
__ARQRequestPendingLo = NULL;
__ARQCallbackLo = NULL;
}
__ARQPopTaskQueueHi();
if (__ARQRequestPendingHi == NULL) {
__ARQServiceQueueLo();
}
}
void ARQInit(void) {
if (__ARQ_init_flag != TRUE) {
__ARQRequestQueueHi = __ARQRequestQueueLo = NULL;
__ARQChunkSize = 0x1000;
ARRegisterDMACallback(__ARQInterruptServiceRoutine);
__ARQRequestPendingHi = NULL;
__ARQRequestPendingLo = NULL;
__ARQCallbackHi = NULL;
__ARQCallbackLo = NULL;
__ARQ_init_flag = TRUE;
}
}
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