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https://github.com/dolphin-emu/dolphin.git
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Allow modifying main ram size at compile time by changing Memory::REALRAM_SIZE.
This commit is contained in:
Shawn Hoffman
parent
04026ae19a
commit
b62cac2ca9
@ -27,6 +27,13 @@
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template <bool> struct CompileTimeAssert;
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template<> struct CompileTimeAssert<true> {};
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#define b2(x) ( (x) | ( (x) >> 1) )
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#define b4(x) ( b2(x) | ( b2(x) >> 2) )
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#define b8(x) ( b4(x) | ( b4(x) >> 4) )
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#define b16(x) ( b8(x) | ( b8(x) >> 8) )
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#define b32(x) (b16(x) | (b16(x) >>16) )
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#define ROUND_UP_POW2(x) (b32(x - 1) + 1)
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#if defined __GNUC__ && !defined __SSSE3__
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#include <emmintrin.h>
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static __inline __m128i __attribute__((__always_inline__))
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@ -66,7 +66,7 @@ bool CBoot::EmulatedBS2_GC()
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DVDInterface::DVDRead(0x00000000, 0x80000000, 0x20); // write disc info
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Memory::Write_U32(0x0D15EA5E, 0x80000020); // booted from bootrom. 0xE5207C22 = booted from jtag
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Memory::Write_U32(0x01800000, 0x80000028); // Physical Memory Size (24MB on retail)
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Memory::Write_U32(Memory::REALRAM_SIZE, 0x80000028); // Physical Memory Size (24MB on retail)
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// TODO determine why some games fail when using a retail id. (Seem to take different EXI paths, see ikaruga for example)
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Memory::Write_U32(0x10000006, 0x8000002C); // Console type - DevKit (retail ID == 0x00000003) see yagcd 4.2.1.1.2
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@ -172,7 +172,6 @@ bool CBoot::EmulatedBS2_GC()
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return true;
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}
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bool CBoot::SetupWiiMemory(unsigned int _CountryCode)
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{
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INFO_LOG(BOOT, "Setup Wii Memory...");
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@ -238,14 +237,14 @@ bool CBoot::SetupWiiMemory(unsigned int _CountryCode)
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DVDInterface::DVDRead(0x00000000, 0x00000000, 0x20); // Game Code
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Memory::Write_U32(0x0D15EA5E, 0x00000020); // Another magic word
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Memory::Write_U32(0x00000001, 0x00000024); // Unknown
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Memory::Write_U32(0x01800000, 0x00000028); // MEM1 size 24MB
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Memory::Write_U32(Memory::REALRAM_SIZE, 0x00000028); // MEM1 size 24MB
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Memory::Write_U32(0x00000023, 0x0000002c); // Production Board Model
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Memory::Write_U32(0x00000000, 0x00000030); // Init
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Memory::Write_U32(0x817FEC60, 0x00000034); // Init
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// 38, 3C should get start, size of FST through apploader
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Memory::Write_U32(0x38a00040, 0x00000060); // Exception init
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Memory::Write_U32(0x8008f7b8, 0x000000e4); // Thread Init
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Memory::Write_U32(0x01800000, 0x000000f0); // "Simulated memory size" (debug mode?)
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Memory::Write_U32(Memory::REALRAM_SIZE, 0x000000f0); // "Simulated memory size" (debug mode?)
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Memory::Write_U32(0x8179b500, 0x000000f4); // __start
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Memory::Write_U32(0x0e7be2c0, 0x000000f8); // Bus speed
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Memory::Write_U32(0x2B73A840, 0x000000fc); // CPU speed
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@ -625,53 +625,45 @@ void GetString(std::string& _string, const u32 em_address)
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// GetPointer must always return an address in the bottom 32 bits of address space, so that 64-bit
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// programs don't have problems directly addressing any part of memory.
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// TODO re-think with respect to other BAT setups...
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u8 *GetPointer(const u32 _Address)
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{
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switch (_Address >> 24)
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switch (_Address >> 28)
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{
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case 0x00:
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case 0x01:
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case 0x80:
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case 0x81:
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case 0xC0:
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case 0xC1:
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return (u8*)(((char*)m_pPhysicalRAM) + (_Address & RAM_MASK));
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case 0x0:
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case 0x8:
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return m_pPhysicalRAM + (_Address & RAM_MASK);
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case 0xc:
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switch (_Address >> 24)
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{
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case 0xcc:
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case 0xcd:
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_dbg_assert_msg_(MEMMAP, 0, "GetPointer from IO Bridge doesnt work");
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case 0xc8:
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// EFB. We don't want to return a pointer here since we have no memory mapped for it.
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return 0;
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case 0x10:
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case 0x11:
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case 0x12:
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case 0x13:
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case 0x90:
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case 0x91:
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case 0x92:
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case 0x93:
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case 0xD0:
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case 0xD1:
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case 0xD2:
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case 0xD3:
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default:
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return m_pPhysicalRAM + (_Address & RAM_MASK);
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}
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case 0x1:
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case 0x9:
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case 0xd:
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if (SConfig::GetInstance().m_LocalCoreStartupParameter.bWii)
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return (u8*)(((char*)m_pPhysicalEXRAM) + (_Address & EXRAM_MASK));
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return m_pPhysicalEXRAM + (_Address & EXRAM_MASK);
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else
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return 0;
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case 0xE0:
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case 0xe:
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if (_Address < (0xE0000000 + L1_CACHE_SIZE))
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return GetCachePtr() + (_Address & L1_CACHE_MASK);
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else
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return 0;
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case 0xC8:
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return 0; // EFB. We don't want to return a pointer here since we have no memory mapped for it.
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case 0xCC:
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case 0xCD:
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_dbg_assert_msg_(MEMMAP, 0, "GetPointer from IO Bridge doesnt work");
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return NULL;
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default:
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if (bFakeVMEM)
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{
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return (u8*)(((char*)m_pVirtualFakeVMEM) + (_Address & RAM_MASK));
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}
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return m_pVirtualFakeVMEM + (_Address & FAKEVMEM_MASK);
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else
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{
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if (!Core::g_CoreStartupParameter.bMMU &&
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@ -679,15 +671,14 @@ u8 *GetPointer(const u32 _Address)
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Crash();
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return 0;
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}
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break;
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}
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return NULL;
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}
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bool IsRAMAddress(const u32 addr, bool allow_locked_cache)
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{
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switch ((addr >> 24) & 0xFC) {
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switch ((addr >> 24) & 0xFC)
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{
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case 0x00:
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case 0x80:
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case 0xC0:
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@ -58,20 +58,22 @@ extern u8 *m_pL1Cache;
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enum
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{
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// The size should be just 24MB instead of 32, but the RAM_MASK wouldn't
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// work.
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RAM_SIZE = 0x2000000,
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RAM_MASK = 0x1FFFFFF,
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// RAM_SIZE is the amount allocated by the emulator, whereas REALRAM_SIZE is
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// what will be reported in lowmem, and thus used by emulated software.
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// Note: Writing to lowmem is done by IPL. If using retail IPL, it will
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// always be set to 24MB.
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REALRAM_SIZE = 0x1800000,
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RAM_SIZE = ROUND_UP_POW2(REALRAM_SIZE),
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RAM_MASK = RAM_SIZE - 1,
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FAKEVMEM_SIZE = 0x2000000,
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FAKEVMEM_MASK = 0x1FFFFFF,
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REALRAM_SIZE = 0x1800000,
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FAKEVMEM_MASK = FAKEVMEM_SIZE - 1,
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L1_CACHE_SIZE = 0x40000,
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L1_CACHE_MASK = 0x3FFFF,
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L1_CACHE_MASK = L1_CACHE_SIZE - 1,
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EFB_SIZE = 0x200000,
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EFB_MASK = 0x1FFFFF,
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EFB_MASK = EFB_SIZE - 1,
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IO_SIZE = 0x10000,
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EXRAM_SIZE = 0x4000000,
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EXRAM_MASK = 0x3FFFFFF,
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EXRAM_MASK = EXRAM_SIZE - 1,
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ADDR_MASK_HW_ACCESS = 0x0c000000,
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ADDR_MASK_MEM1 = 0x20000000,
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