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Minecraft.Client/PS3/SPU_Tasks/Common/DmaData.h

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+/* SCE CONFIDENTIAL
+PlayStation(R)3 Programmer Tool Runtime Library 430.001
+* Copyright (C) 2007 Sony Computer Entertainment Inc.
+* All Rights Reserved.
+*/
+
+/* common headers */
+#include "spu_assert.h"
+#include <cell/dma.h>
+#include <cell/spurs/job_queue.h>
+
+extern CellSpursJobContext2* g_pSpursJobContext;
+
+class DmaData_SPU
+{
+public:
+	static const bool sc_verbose = false;
+
+	static int roundUpDMASize(int size)
+	{
+		return (size + 0x0f) & (~0x0f);
+	}
+
+	static void get(void* dest, uintptr_t ea, unsigned int dmaSize)
+	{
+		spu_assert((ea % 0x10) == 0); //  make sure we're 16 byte aligned
+		spu_assert((uint32_t(dest) % 0x10) == 0); //  make sure we're 16 byte aligned
+		spu_assert((dmaSize % 0x10) == 0); //  and that the transfer is a multiple of 16 bytes
+		spu_assert(ea >256*1024); //  and that we're not targetting SPU memory
+		// start memory transfer
+		if(sc_verbose)
+			spu_print("DMA PPU->SPU start: 0x%08x -> 0x%08x : size : %d bytes : tag %d .... ", (unsigned int)ea, (unsigned int)dest, dmaSize, g_pSpursJobContext->dmaTag);
+
+		cellDmaLargeGet(dest, ea, dmaSize, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+
+	static void getUnaligned(void* dest, uintptr_t ea, unsigned int dmaSize)
+	{
+		spu_assert(ea >256*1024); //  and that we're not targetting SPU memory
+		// start memory transfer
+		if(sc_verbose)
+			spu_print("DMA PPU->SPU start: 0x%08x -> 0x%08x : size : %d bytes : tag %d .... ", (unsigned int)ea, (unsigned int)dest, dmaSize, g_pSpursJobContext->dmaTag);
+
+		cellDmaUnalignedGet(dest, ea, dmaSize, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+
+
+	static uint32_t getValue32(uintptr_t ea)
+	{
+		return cellDmaGetUint32(ea, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+	static uint32_t getValue16(uintptr_t ea)
+	{
+		return cellDmaGetUint16(ea, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+		static uint32_t getValue64(uintptr_t ea)
+	{
+		return cellDmaGetUint64(ea, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+
+
+	static void wait()
+	{
+		cellDmaWaitTagStatusAll(1 << g_pSpursJobContext->dmaTag);
+		if(sc_verbose)
+			spu_print("DMA PPU->SPU done!\n");
+	}
+
+	static void getAndWait(void* dest, uintptr_t ea, unsigned int dmaSize)
+	{
+		get(dest, ea, dmaSize);
+		wait();
+	}
+
+	static void getAndWaitUnaligned(void* dest, uintptr_t ea, unsigned int dmaSize)
+	{
+		getUnaligned(dest, ea, dmaSize);
+		wait();
+	}
+
+	static void put(void* src, uintptr_t ea, unsigned int dmaSize)
+	{
+		if(sc_verbose)
+			spu_print("DMA SPU->PPU  start: 0x%08x -> 0x%08x : size : %d bytes .... ", (unsigned int)src, (unsigned int)ea, dmaSize);
+		spu_assert((ea % 0x10) == 0); //  make sure we're 16 byte aligned
+		spu_assert((uint32_t(src) % 0x10) == 0); //  make sure we're 16 byte aligned
+	spu_assert((dmaSize % 0x10) == 0); //  and that the transfer is a multiple of 16 bytes
+		spu_assert(ea >256*1024); //  and that we're not targetting SPU memory
+		cellDmaLargePut(src, ea, dmaSize, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+
+	static void putAndWait(void* src, uintptr_t ea, unsigned int dmaSize)
+	{
+		put(src, ea, dmaSize);
+		wait();
+	}
+	static void putAndWaitUnaligned(void* src, uintptr_t ea, unsigned int dmaSize)
+	{
+		if(sc_verbose)
+			spu_print("DMA SPU->PPU : 0x%08x -> 0x%08x : size : %d bytes\n", (unsigned int)src, (unsigned int)ea, dmaSize);
+		spu_assert((ea % 0x10) == 0); //  make sure we're 16 byte aligned
+		spu_assert((uint32_t(src) % 0x10) == 0); //  make sure we're 16 byte aligned
+		spu_assert((dmaSize % 0x10) == 0); //  and that the transfer is a multiple of 16 bytes
+		spu_assert(ea >256*1024); //  and that we're not targetting SPU memory
+		cellDmaUnalignedPut(src, ea, dmaSize, g_pSpursJobContext->dmaTag, 0, 0);
+		cellDmaWaitTagStatusAll(1 << g_pSpursJobContext->dmaTag);
+		if(sc_verbose)
+			spu_print("DMA SPU->PPU complete\n");
+	}
+
+	static void putValue32(uint32_t val, uintptr_t ea)
+	{
+		cellDmaPutUint32(val, ea, g_pSpursJobContext->dmaTag, 0, 0);
+	}
+
+};
+