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#include <dolphin/dolphin.h>
#include <dolphin/dsp.h>
#include <dolphin/ax.h>
#include "__ax.h"
static s16 __AXOutBuffer[3][320];
static s32 __AXOutSBuffer[160];
static u16 __AXDramImage[8192];
static DSPTaskInfo __AXDSPTask;
AXPROFILE __AXLocalProfile;
volatile static u32 __AXOutFrame;
volatile static u32 __AXAiDmaFrame;
volatile static u32 __AXOutDspReady;
volatile static OSTime __AXOsTime;
static void (*__AXUserFrameCallback)();
volatile static int __AXDSPInitFlag;
static int __AXDSPDoneFlag;
static volatile u32 __AXDebugSteppingMode;
static OSThreadQueue __AXOutThreadQueue;
static u32 __AXOutputBufferMode;
// prototypes
static void __AXDSPInitCallback(void* task);
static void __AXDSPResumeCallback(void* task);
static void __AXDSPDoneCallback(void* task);
void __AXOutNewFrame(u32 lessDspCycles) {
u32 cl;
AXPROFILE* profile;
u8* src;
u8* dest;
u32 i;
__AXLocalProfile.axFrameStart = OSGetTime();
__AXSyncPBs(lessDspCycles);
__AXPrintStudio();
cl = __AXGetCommandListAddress();
DSPSendMailToDSP(0xBABE0180);
do {} while (DSPCheckMailToDSP() != 0);
DSPSendMailToDSP(cl);
do {} while (DSPCheckMailToDSP() != 0);
__AXServiceCallbackStack();
__AXLocalProfile.auxProcessingStart = OSGetTime();
__AXProcessAux();
__AXLocalProfile.auxProcessingEnd = OSGetTime();
__AXLocalProfile.userCallbackStart = OSGetTime();
if (__AXUserFrameCallback) {
__AXUserFrameCallback();
}
__AXLocalProfile.userCallbackEnd = OSGetTime();
__AXNextFrame(__AXOutSBuffer, &__AXOutBuffer[__AXOutFrame][0]);
__AXOutFrame += 1;
if (__AXOutputBufferMode == 1) {
__AXOutFrame %= 3;
} else {
__AXOutFrame &= 1;
AIInitDMA((u32)&__AXOutBuffer[__AXOutFrame][0], 0x280);
}
__AXLocalProfile.axFrameEnd = OSGetTime();
__AXLocalProfile.axNumVoices = __AXGetNumVoices();
profile = (void*)__AXGetCurrentProfile();
if (profile) {
i = 56;
dest = (u8*)profile;
src = (u8*)&__AXLocalProfile;
while (i != 0) {
*dest = *src;
dest++;
src++;
i--;
}
}
}
void __AXOutAiCallback(void) {
if (__AXOutDspReady == 0) {
__AXOsTime = OSGetTime();
}
if (__AXOutDspReady == 1) {
__AXOutDspReady = 0;
__AXOutNewFrame(0);
} else {
__AXOutDspReady = 2;
DSPAssertTask(&__AXDSPTask);
}
if (__AXOutputBufferMode == 1) {
AIInitDMA((u32)__AXOutBuffer[__AXAiDmaFrame], 0x280);
__AXAiDmaFrame++;
__AXAiDmaFrame %= 3;
}
}
static void __AXDSPInitCallback(void* task) {
__AXDSPInitFlag = 1;
}
void AXSetStepMode(u32 i) {
__AXDebugSteppingMode = i;
}
static void __AXDSPResumeCallback(void* task) {
#if DEBUG
if (__AXDebugSteppingMode != 0) {
__AXOutDspReady = 1;
return;
}
#endif
if (__AXOutDspReady == 2) {
__AXOutDspReady = 0;
__AXOutNewFrame((u32)(OSGetTime() - __AXOsTime) / 4);
return;
}
__AXOutDspReady = 1;
}
static void __AXDSPDoneCallback(void* task) {
__AXDSPDoneFlag = 1;
OSWakeupThread(&__AXOutThreadQueue);
}
#define BUFFER_MEMSET(buffer, size) \
{ \
u32* p = (u32*)&buffer; \
int i; \
for (i = 0; i < size; i++) { \
*p = 0; \
p++; \
} \
}
void __AXOutInitDSP(void) {
__AXDSPTask.iram_mmem_addr = axDspSlave;
__AXDSPTask.iram_length = axDspSlaveLength;
__AXDSPTask.iram_addr = 0;
__AXDSPTask.dram_mmem_addr = __AXDramImage;
__AXDSPTask.dram_length = 0x2000;
__AXDSPTask.dram_addr = 0;
__AXDSPTask.dsp_init_vector = 0x10;
__AXDSPTask.dsp_resume_vector = 0x30;
__AXDSPTask.init_cb = __AXDSPInitCallback;
__AXDSPTask.res_cb = __AXDSPResumeCallback;
__AXDSPTask.done_cb = __AXDSPDoneCallback;
__AXDSPTask.req_cb = NULL;
__AXDSPTask.priority = 0;
__AXDSPInitFlag = 0;
__AXDSPDoneFlag = 0;
OSInitThreadQueue(&__AXOutThreadQueue);
if (DSPCheckInit() == 0) {
DSPInit();
}
DSPAddTask(&__AXDSPTask);
do {} while (__AXDSPInitFlag == 0);
}
void __AXOutInit(u32 outputBufferMode) {
#if DEBUG
OSReport("Initializing AXOut code module\n");
#endif
ASSERTLINE(404, ((u32)&__AXOutBuffer[0][0] & 0x1F) == 0);
ASSERTLINE(405, ((u32)&__AXOutBuffer[1][0] & 0x1F) == 0);
ASSERTLINE(406, ((u32)&__AXOutBuffer[2][0] & 0x1F) == 0);
ASSERTLINE(407, ((u32)&__AXOutSBuffer[0] & 0x1F) == 0);
__AXOutputBufferMode = outputBufferMode;
__AXOutFrame = 0;
__AXAiDmaFrame = 0;
__AXDebugSteppingMode = 0;
BUFFER_MEMSET(__AXOutBuffer, 0x1E0);
DCFlushRange(__AXOutBuffer, sizeof(__AXOutBuffer));
BUFFER_MEMSET(__AXOutSBuffer, 0xA0);
DCFlushRange(__AXOutSBuffer, sizeof(__AXOutSBuffer));
__AXOutInitDSP();
AIRegisterDMACallback(__AXOutAiCallback);
if (__AXOutputBufferMode == 1) {
__AXNextFrame(__AXOutSBuffer, &__AXOutBuffer[2][0]);
} else {
__AXNextFrame(__AXOutSBuffer, &__AXOutBuffer[1][0]);
}
__AXOutDspReady = 1;
__AXUserFrameCallback = NULL;
if (__AXOutputBufferMode == 1) {
AIInitDMA((u32)&__AXOutBuffer[__AXAiDmaFrame][0], sizeof(__AXOutBuffer[0]));
__AXAiDmaFrame++;
__AXAiDmaFrame &= 1;
} else {
AIInitDMA((u32)&__AXOutBuffer[__AXOutFrame][0], sizeof(__AXOutBuffer[0]));
}
AIStartDMA();
}
void __AXOutQuit(void) {
BOOL old;
#if DEBUG
OSReport("Shutting down AXOut code module\n");
#endif
old = OSDisableInterrupts();
__AXUserFrameCallback = NULL;
DSPCancelTask(&__AXDSPTask);
OSSleepThread(&__AXOutThreadQueue);
AIStopDMA();
OSRestoreInterrupts(old);
}
AXCallback AXRegisterCallback(AXCallback callback) {
BOOL enabled;
AXCallback oldCB;
oldCB = __AXUserFrameCallback;
enabled = OSDisableInterrupts();
__AXUserFrameCallback = callback;
OSRestoreInterrupts(enabled);
return oldCB;
}
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