Vendor Teakra, make emulator own DSP RAM and add DSP RAM to fastmem (#806)

* DSP: Own DSP RAM and add it to fastmem

* Vendor Teakra

* Add MacOS support to fastmem

* Fix MacOS fastmem paths

* Fix iOS build

src/core/audio/dsp_core.cpp

@@ -22,7 +22,6 @@ std::unique_ptr<Audio::DSPCore> Audio::makeDSPCore(EmulatorConfig& config, Memor
 			break;
 	}
 
-	mem.setDSPMem(core->getDspMemory());
 	return core;
 }
 

src/core/audio/hle_core.cpp

@@ -23,7 +23,7 @@ namespace Audio {
 	}
 
 	HLE_DSP::HLE_DSP(Memory& mem, Scheduler& scheduler, DSPService& dspService, EmulatorConfig& config)
-		: DSPCore(mem, scheduler, dspService, config) {
+		: DSPCore(mem, scheduler, dspService, config), dspRam(*(Audio::HLE::DspMemory*)mem.getDSPMem()) {
 		// Set up source indices
 		for (int i = 0; i < sources.size(); i++) {
 			sources[i].index = i;

src/core/audio/teakra_core.cpp

@@ -11,7 +11,7 @@
 using namespace Audio;
 
 TeakraDSP::TeakraDSP(Memory& mem, Scheduler& scheduler, DSPService& dspService, EmulatorConfig& config)
-	: DSPCore(mem, scheduler, dspService, config), pipeBaseAddr(0), running(false) {
+	: DSPCore(mem, scheduler, dspService, config), pipeBaseAddr(0), teakra(getTeakraConfig()), running(false) {
 	// Set up callbacks for Teakra
 	Teakra::AHBMCallback ahbm;
 
@@ -82,6 +82,13 @@ TeakraDSP::TeakraDSP(Memory& mem, Scheduler& scheduler, DSPService& dspService,
 	teakra.SetSemaphoreHandler([processPipeEvent]() { processPipeEvent(false); });
 }
 
+Teakra::UserConfig TeakraDSP::getTeakraConfig() {
+	Teakra::UserConfig config;
+	config.dsp_memory = mem.getDSPMem();
+
+	return config;
+}
+
 void TeakraDSP::reset() {
 	teakra.Reset();
 	running = false;
@@ -237,7 +244,7 @@ void TeakraDSP::loadComponent(std::vector<u8>& data, u32 programMask, u32 dataMa
 	teakra.Reset();
 	running = true;
 
-	u8* dspCode = teakra.GetDspMemory().data();
+	u8* dspCode = teakra.GetDspMemory();
 	u8* dspData = dspCode + 0x40000;
 
 	Dsp1 dsp1;

src/core/memory.cpp

@@ -24,7 +24,7 @@ Memory::Memory(KFcram& fcramManager, const EmulatorConfig& config) : fcramManage
 	paddrTable.resize(totalPageCount, 0);
 
 	fcram = arena->BackingBasePointer() + FASTMEM_FCRAM_OFFSET;
-	// arenaDSPRam = arena->BackingBasePointer() + FASTMEM_DSP_RAM_OFFSET;
+	dspRam = arena->BackingBasePointer() + FASTMEM_DSP_RAM_OFFSET;
 	useFastmem = fastmemEnabled && arena->VirtualBasePointer() != nullptr;
 }
 
@@ -395,6 +395,10 @@ void Memory::mapPhysicalMemory(u32 vaddr, u32 paddr, s32 pages, bool r, bool w,
 		}
 	} else if (paddr >= VirtualAddrs::DSPMemStart && paddr < VirtualAddrs::DSPMemStart + DSP_RAM_SIZE) {
 		hostPtr = dspRam + (paddr - VirtualAddrs::DSPMemStart);
+
+		if (useFastmem) {
+			addFastmemView(vaddr, FASTMEM_DSP_RAM_OFFSET + paddr - VirtualAddrs::DSPMemStart, usize(pages) * pageSize, w);
+		}
 	}
 
 	for (int i = 0; i < pages; i++) {