mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-18 02:48:28 +00:00
a4eb49f009
Core/MIPS/fake/FakeJit.cpp:141:46: error:
unknown type name 'FakeJitBlock'; did you mean 'JitBlock'?
const u8 *FakeJit::DoFakeJit(u32 em_address, FakeJitBlock *b)
^~~~~~~~~~~~
JitBlock
Core/MIPS/JitCommon/JitBlockCache.h:59:8: note:
'JitBlock' declared here
struct JitBlock {
^
Core/MIPS/fake/FakeJit.cpp:141:20: error:
out-of-line definition of 'DoFakeJit' does not match any declaration in
'MIPSComp::FakeJit'
const u8 *FakeJit::DoFakeJit(u32 em_address, FakeJitBlock *b)
^~~~~~~~~
Core/HLE/ReplaceTables.cpp:1044:29: error:
use of undeclared identifier 'JITFUNC'
{ "fabsf", &Replace_fabsf, JITFUNC(Replace_fabsf), REPFLAG_ALLOWINLI...
^
Core/HLE/ReplaceTables.cpp:1101:27: error:
invalid application of 'sizeof' to an incomplete type 'const
ReplacementTableEntry []'
for (int i = 0; i < (int)ARRAY_SIZE(entries); i++) {
^~~~~~~~~~~~~~~~~~~
native/math/../base/basictypes.h:67:30: note:
expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
^~~
Core/HLE/ReplaceTables.cpp:1117:9: error:
invalid application of 'sizeof' to an incomplete type 'const
ReplacementTableEntry []'
return ARRAY_SIZE(entries);
^~~~~~~~~~~~~~~~~~~
native/math/../base/basictypes.h:67:30: note:
expanded from macro 'ARRAY_SIZE'
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
^~~
Core/MIPS/JitCommon/JitCommon.cpp:31:2: error:
unknown type name 'Jit'
Jit *jit;
^
Core/MIPS/JitCommon/JitCommon.cpp💯21: error:
no member named 'Asm' in 'MIPSComp::FakeJit'
if (MIPSComp::jit->Asm().IsInSpace((u8 *)(intptr_t)addr)) {
~~~~~~~~~~~~~ ^
Core/MIPS/JitCommon/JitCommon.cpp:101:45: error:
no member named 'Asm' in 'MIPSComp::FakeJit'
*offset = addr - (uint64_t)MIPSComp::jit->Asm().GetBasePtr();
~~~~~~~~~~~~~ ^
Core/MemMap.cpp:197:57: error:
use of undeclared identifier 'MEMVIEW32_MASK'
...position, view.size, base + (view.virtual_address & MEMVIEW32_MASK));
^
505 lines
14 KiB
C++
505 lines
14 KiB
C++
// Copyright (C) 2003 Dolphin Project / 2012 PPSSPP Project
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include <algorithm>
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#include "base/mutex.h"
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#include "Common/Common.h"
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#include "Common/MemoryUtil.h"
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#ifndef __SYMBIAN32__
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#include "Common/MemArena.h"
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#endif
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#include "Common/ChunkFile.h"
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#include "Core/MemMap.h"
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#include "Core/HDRemaster.h"
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#include "Core/MIPS/MIPS.h"
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#include "Core/HLE/HLE.h"
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#include "Core/Core.h"
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#include "Core/Debugger/SymbolMap.h"
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#include "Core/Debugger/Breakpoints.h"
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#include "Core/Config.h"
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#include "Core/HLE/ReplaceTables.h"
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namespace Memory {
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// The base pointer to the auto-mirrored arena.
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u8* base = NULL;
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#ifdef __SYMBIAN32__
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RChunk* memmap;
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#else
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// The MemArena class
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MemArena g_arena;
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#endif
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// ==============
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// 64-bit: Pointers to low-mem (sub-0x10000000) mirror
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// 32-bit: Same as the corresponding physical/virtual pointers.
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u8 *m_pRAM;
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u8 *m_pRAM2;
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u8 *m_pRAM3;
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u8 *m_pScratchPad;
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u8 *m_pVRAM;
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u8 *m_pPhysicalScratchPad;
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u8 *m_pUncachedScratchPad;
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// 64-bit: Pointers to high-mem mirrors
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// 32-bit: Same as above
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u8 *m_pPhysicalRAM;
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u8 *m_pUncachedRAM;
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u8 *m_pKernelRAM; // RAM mirrored up to "kernel space". Fully accessible at all times currently.
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u8 *m_pPhysicalRAM2;
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u8 *m_pUncachedRAM2;
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u8 *m_pKernelRAM2;
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u8 *m_pPhysicalRAM3;
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u8 *m_pUncachedRAM3;
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u8 *m_pKernelRAM3;
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// VRAM is mirrored 4 times. The second and fourth mirrors are swizzled.
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// In practice, a game accessing the mirrors most likely is deswizzling the depth buffer.
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u8 *m_pPhysicalVRAM1;
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u8 *m_pPhysicalVRAM2;
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u8 *m_pPhysicalVRAM3;
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u8 *m_pPhysicalVRAM4;
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u8 *m_pUncachedVRAM1;
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u8 *m_pUncachedVRAM2;
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u8 *m_pUncachedVRAM3;
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u8 *m_pUncachedVRAM4;
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// Holds the ending address of the PSP's user space.
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// Required for HD Remasters to work properly.
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// This replaces RAM_NORMAL_SIZE at runtime.
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u32 g_MemorySize;
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// Used to store the PSP model on game startup.
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u32 g_PSPModel;
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recursive_mutex g_shutdownLock;
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// We don't declare the IO region in here since its handled by other means.
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static MemoryView views[] =
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{
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{&m_pScratchPad, &m_pPhysicalScratchPad, 0x00010000, SCRATCHPAD_SIZE, 0},
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{NULL, &m_pUncachedScratchPad, 0x40010000, SCRATCHPAD_SIZE, MV_MIRROR_PREVIOUS},
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{&m_pVRAM, &m_pPhysicalVRAM1, 0x04000000, 0x00200000, 0},
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{NULL, &m_pPhysicalVRAM2, 0x04200000, 0x00200000, MV_MIRROR_PREVIOUS},
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{NULL, &m_pPhysicalVRAM3, 0x04400000, 0x00200000, MV_MIRROR_PREVIOUS},
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{NULL, &m_pPhysicalVRAM4, 0x04600000, 0x00200000, MV_MIRROR_PREVIOUS},
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{NULL, &m_pUncachedVRAM1, 0x44000000, 0x00200000, MV_MIRROR_PREVIOUS},
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{NULL, &m_pUncachedVRAM2, 0x44200000, 0x00200000, MV_MIRROR_PREVIOUS},
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{NULL, &m_pUncachedVRAM3, 0x44400000, 0x00200000, MV_MIRROR_PREVIOUS},
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{NULL, &m_pUncachedVRAM4, 0x44600000, 0x00200000, MV_MIRROR_PREVIOUS},
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{&m_pRAM, &m_pPhysicalRAM, 0x08000000, g_MemorySize, MV_IS_PRIMARY_RAM}, // only from 0x08800000 is it usable (last 24 megs)
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{NULL, &m_pUncachedRAM, 0x48000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM},
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{NULL, &m_pKernelRAM, 0x88000000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_PRIMARY_RAM},
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// Starts at memory + 31 MB.
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{&m_pRAM2, &m_pPhysicalRAM2, 0x09F00000, g_MemorySize, MV_IS_EXTRA1_RAM},
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{NULL, &m_pUncachedRAM2, 0x49F00000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_EXTRA1_RAM},
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{NULL, &m_pKernelRAM2, 0x89F00000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_EXTRA1_RAM},
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// Starts at memory + 31 * 2 MB.
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{&m_pRAM3, &m_pPhysicalRAM3, 0x0BE00000, g_MemorySize, MV_IS_EXTRA2_RAM},
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{NULL, &m_pUncachedRAM3, 0x4BE00000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_EXTRA2_RAM},
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{NULL, &m_pKernelRAM3, 0x8BE00000, g_MemorySize, MV_MIRROR_PREVIOUS | MV_IS_EXTRA2_RAM},
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// TODO: There are a few swizzled mirrors of VRAM, not sure about the best way to
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// implement those.
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};
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static const int num_views = sizeof(views) / sizeof(MemoryView);
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inline static bool CanIgnoreView(const MemoryView &view) {
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#ifdef _ARCH_32
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// Basically, 32-bit platforms can ignore views that are masked out anyway.
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return (view.flags & MV_MIRROR_PREVIOUS) && (view.virtual_address & ~MEMVIEW32_MASK) != 0;
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#else
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return false;
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#endif
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}
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// yeah, this could also be done in like two bitwise ops...
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#define SKIP(a_flags, b_flags)
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// if (!(a_flags & MV_WII_ONLY) && (b_flags & MV_WII_ONLY))
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// continue;
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// if (!(a_flags & MV_FAKE_VMEM) && (b_flags & MV_FAKE_VMEM))
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// continue;
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static bool Memory_TryBase(u32 flags) {
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// OK, we know where to find free space. Now grab it!
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// We just mimic the popular BAT setup.
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#if defined(_XBOX)
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void *ptr;
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#elif !defined(__SYMBIAN32__)
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size_t position = 0;
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size_t last_position = 0;
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#endif
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// Zero all the pointers to be sure.
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for (int i = 0; i < num_views; i++)
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{
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if (views[i].out_ptr_low)
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*views[i].out_ptr_low = 0;
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if (views[i].out_ptr)
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*views[i].out_ptr = 0;
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}
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int i;
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for (i = 0; i < num_views; i++)
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{
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const MemoryView &view = views[i];
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if (view.size == 0)
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continue;
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SKIP(flags, view.flags);
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#ifdef __SYMBIAN32__
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if (!CanIgnoreView(view)) {
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memmap->Commit(view.virtual_address & MEMVIEW32_MASK, view.size);
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}
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*(view.out_ptr) = (u8*)base + (view.virtual_address & MEMVIEW32_MASK);
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#elif defined(_XBOX)
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if (!CanIgnoreView(view)) {
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*(view.out_ptr_low) = (u8*)(base + view.virtual_address);
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ptr = VirtualAlloc(base + (view.virtual_address & MEMVIEW32_MASK), view.size, MEM_COMMIT, PAGE_READWRITE);
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}
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*(view.out_ptr) = (u8*)base + (view.virtual_address & MEMVIEW32_MASK);
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#else
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if (view.flags & MV_MIRROR_PREVIOUS) {
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position = last_position;
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} else {
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*(view.out_ptr_low) = (u8*)g_arena.CreateView(position, view.size);
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if (!*view.out_ptr_low)
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goto bail;
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}
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#if defined(_ARCH_64)
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*view.out_ptr = (u8*)g_arena.CreateView(
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position, view.size, base + view.virtual_address);
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#else
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if (CanIgnoreView(view)) {
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// No need to create multiple identical views.
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*view.out_ptr = *views[i - 1].out_ptr;
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} else {
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*view.out_ptr = (u8*)g_arena.CreateView(
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position, view.size, base + (view.virtual_address & MEMVIEW32_MASK));
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if (!*view.out_ptr)
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goto bail;
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}
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#endif
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last_position = position;
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position += g_arena.roundup(view.size);
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#endif
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}
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return true;
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#if !defined(__SYMBIAN32__)
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bail:
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// Argh! ERROR! Free what we grabbed so far so we can try again.
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for (int j = 0; j <= i; j++)
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{
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if (views[i].size == 0)
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continue;
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SKIP(flags, views[i].flags);
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if (views[j].out_ptr_low && *views[j].out_ptr_low)
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{
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g_arena.ReleaseView(*views[j].out_ptr_low, views[j].size);
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*views[j].out_ptr_low = NULL;
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}
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if (*views[j].out_ptr)
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{
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if (!CanIgnoreView(views[j])) {
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g_arena.ReleaseView(*views[j].out_ptr, views[j].size);
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}
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*views[j].out_ptr = NULL;
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}
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}
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return false;
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#endif
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}
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void MemoryMap_Setup(u32 flags)
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{
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// Find a base to reserve 256MB
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#if defined(_XBOX)
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base = (u8*)VirtualAlloc(0, 0x10000000, MEM_RESERVE|MEM_LARGE_PAGES, PAGE_READWRITE);
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#elif defined(__SYMBIAN32__)
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memmap = new RChunk();
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memmap->CreateDisconnectedLocal(0 , 0, 0x10000000);
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base = memmap->Base();
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#else
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size_t total_mem = 0;
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for (int i = 0; i < num_views; i++)
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{
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if (views[i].size == 0)
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continue;
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SKIP(flags, views[i].flags);
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if (!CanIgnoreView(views[i]))
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total_mem += g_arena.roundup(views[i].size);
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}
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// Grab some pagefile backed memory out of the void ...
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g_arena.GrabLowMemSpace(total_mem);
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// 32-bit Windows retrieves base a different way
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#if defined(_M_X64) || !defined(_WIN32)
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// This really shouldn't fail - in 64-bit, there will always be enough address space.
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// Linux32 is fine with the x64 method, although limited to 32-bit with no automirrors.
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base = MemArena::Find4GBBase();
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#endif
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#endif
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// Now, create views in high memory where there's plenty of space.
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#if defined(_WIN32) && !defined(_M_X64)
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// Try a whole range of possible bases. Return once we got a valid one.
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int base_attempts = 0;
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u32 max_base_addr = 0x7FFF0000 - 0x10000000;
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for (u32 base_addr = 0x01000000; base_addr < max_base_addr; base_addr += 0x400000)
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{
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base_attempts++;
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base = (u8 *)base_addr;
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if (Memory_TryBase(flags))
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{
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INFO_LOG(MEMMAP, "Found valid memory base at %p after %i tries.", base, base_attempts);
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base_attempts = 0;
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break;
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}
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}
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if (base_attempts)
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PanicAlert("No possible memory base pointer found!");
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#else
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// Try base we retrieved earlier
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if (!Memory_TryBase(flags))
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{
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ERROR_LOG(MEMMAP, "MemoryMap_Setup: Failed finding a memory base.");
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PanicAlert("MemoryMap_Setup: Failed finding a memory base.");
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}
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#endif
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return;
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}
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void MemoryMap_Shutdown(u32 flags)
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{
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#ifdef __SYMBIAN32__
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memmap->Decommit(0, memmap->MaxSize());
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memmap->Close();
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delete memmap;
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#else
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for (int i = 0; i < num_views; i++)
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{
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if (views[i].size == 0)
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continue;
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SKIP(flags, views[i].flags);
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if (views[i].out_ptr_low && *views[i].out_ptr_low)
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g_arena.ReleaseView(*views[i].out_ptr_low, views[i].size);
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if (*views[i].out_ptr && (!views[i].out_ptr_low || *views[i].out_ptr != *views[i].out_ptr_low))
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g_arena.ReleaseView(*views[i].out_ptr, views[i].size);
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*views[i].out_ptr = NULL;
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if (views[i].out_ptr_low)
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*views[i].out_ptr_low = NULL;
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}
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g_arena.ReleaseSpace();
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#endif
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}
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void Init()
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{
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int flags = 0;
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// On some 32 bit platforms, you can only map < 32 megs at a time.
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const static int MAX_MMAP_SIZE = 31 * 1024 * 1024;
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_dbg_assert_msg_(MEMMAP, g_MemorySize < MAX_MMAP_SIZE * 3, "ACK - too much memory for three mmap views.");
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for (size_t i = 0; i < ARRAY_SIZE(views); i++) {
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if (views[i].flags & MV_IS_PRIMARY_RAM)
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views[i].size = std::min((int)g_MemorySize, MAX_MMAP_SIZE);
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if (views[i].flags & MV_IS_EXTRA1_RAM)
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views[i].size = std::min(std::max((int)g_MemorySize - MAX_MMAP_SIZE, 0), MAX_MMAP_SIZE);
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if (views[i].flags & MV_IS_EXTRA2_RAM)
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views[i].size = std::min(std::max((int)g_MemorySize - MAX_MMAP_SIZE * 2, 0), MAX_MMAP_SIZE);
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}
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MemoryMap_Setup(flags);
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INFO_LOG(MEMMAP, "Memory system initialized. RAM at %p (mirror at 0 @ %p, uncached @ %p)",
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m_pRAM, m_pPhysicalRAM, m_pUncachedRAM);
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}
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void DoState(PointerWrap &p)
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{
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auto s = p.Section("Memory", 1, 2);
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if (!s)
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return;
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if (s < 2) {
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if (!g_RemasterMode)
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g_MemorySize = RAM_NORMAL_SIZE;
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g_PSPModel = PSP_MODEL_FAT;
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} else {
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u32 oldMemorySize = g_MemorySize;
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p.Do(g_PSPModel);
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p.DoMarker("PSPModel");
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if (!g_RemasterMode) {
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g_MemorySize = g_PSPModel == PSP_MODEL_FAT ? RAM_NORMAL_SIZE : RAM_DOUBLE_SIZE;
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if (oldMemorySize < g_MemorySize) {
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Shutdown();
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Init();
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}
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}
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}
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p.DoArray(GetPointer(PSP_GetKernelMemoryBase()), g_MemorySize);
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p.DoMarker("RAM");
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p.DoArray(m_pVRAM, VRAM_SIZE);
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p.DoMarker("VRAM");
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p.DoArray(m_pScratchPad, SCRATCHPAD_SIZE);
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p.DoMarker("ScratchPad");
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}
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void Shutdown()
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{
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lock_guard guard(g_shutdownLock);
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u32 flags = 0;
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MemoryMap_Shutdown(flags);
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base = NULL;
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DEBUG_LOG(MEMMAP, "Memory system shut down.");
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}
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void Clear()
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{
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if (m_pRAM)
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memset(GetPointerUnchecked(PSP_GetKernelMemoryBase()), 0, g_MemorySize);
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if (m_pScratchPad)
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memset(m_pScratchPad, 0, SCRATCHPAD_SIZE);
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if (m_pVRAM)
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memset(m_pVRAM, 0, VRAM_SIZE);
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}
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// Wanting to avoid include pollution, MemMap.h is included a lot.
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MemoryInitedLock::MemoryInitedLock()
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{
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g_shutdownLock.lock();
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}
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MemoryInitedLock::~MemoryInitedLock()
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{
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g_shutdownLock.unlock();
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}
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MemoryInitedLock Lock()
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{
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return MemoryInitedLock();
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}
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__forceinline static Opcode Read_Instruction(u32 address, bool resolveReplacements, Opcode inst)
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{
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if (!MIPS_IS_EMUHACK(inst.encoding)) {
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return inst;
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}
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if (MIPS_IS_RUNBLOCK(inst.encoding) && MIPSComp::jit) {
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JitBlockCache *bc = MIPSComp::jit->GetBlockCache();
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int block_num = bc->GetBlockNumberFromEmuHackOp(inst, true);
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if (block_num >= 0) {
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inst = bc->GetOriginalFirstOp(block_num);
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if (resolveReplacements && MIPS_IS_REPLACEMENT(inst)) {
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u32 op;
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if (GetReplacedOpAt(address, &op)) {
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if (MIPS_IS_EMUHACK(op)) {
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ERROR_LOG(HLE,"WTF 1");
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return Opcode(op);
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} else {
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return Opcode(op);
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}
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} else {
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ERROR_LOG(HLE, "Replacement, but no replacement op? %08x", inst.encoding);
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}
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}
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return inst;
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} else {
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return inst;
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}
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} else if (resolveReplacements && MIPS_IS_REPLACEMENT(inst.encoding)) {
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u32 op;
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if (GetReplacedOpAt(address, &op)) {
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if (MIPS_IS_EMUHACK(op)) {
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ERROR_LOG(HLE,"WTF 2");
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return Opcode(op);
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} else {
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|
return Opcode(op);
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}
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} else {
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|
return inst;
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}
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} else {
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return inst;
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}
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|
}
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|
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Opcode Read_Instruction(u32 address, bool resolveReplacements)
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|
{
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Opcode inst = Opcode(Read_U32(address));
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return Read_Instruction(address, resolveReplacements, inst);
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|
}
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|
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Opcode ReadUnchecked_Instruction(u32 address, bool resolveReplacements)
|
|
{
|
|
Opcode inst = Opcode(ReadUnchecked_U32(address));
|
|
return Read_Instruction(address, resolveReplacements, inst);
|
|
}
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|
|
|
Opcode Read_Opcode_JIT(u32 address)
|
|
{
|
|
Opcode inst = Opcode(Read_U32(address));
|
|
if (MIPS_IS_RUNBLOCK(inst.encoding) && MIPSComp::jit) {
|
|
JitBlockCache *bc = MIPSComp::jit->GetBlockCache();
|
|
int block_num = bc->GetBlockNumberFromEmuHackOp(inst, true);
|
|
if (block_num >= 0) {
|
|
return bc->GetOriginalFirstOp(block_num);
|
|
} else {
|
|
return inst;
|
|
}
|
|
} else {
|
|
return inst;
|
|
}
|
|
}
|
|
|
|
// WARNING! No checks!
|
|
// We assume that _Address is cached
|
|
void Write_Opcode_JIT(const u32 _Address, const Opcode& _Value)
|
|
{
|
|
Memory::WriteUnchecked_U32(_Value.encoding, _Address);
|
|
}
|
|
|
|
void Memset(const u32 _Address, const u8 _iValue, const u32 _iLength)
|
|
{
|
|
u8 *ptr = GetPointer(_Address);
|
|
if (ptr != NULL) {
|
|
memset(ptr, _iValue, _iLength);
|
|
}
|
|
else
|
|
{
|
|
for (size_t i = 0; i < _iLength; i++)
|
|
Write_U8(_iValue, (u32)(_Address + i));
|
|
}
|
|
#ifndef MOBILE_DEVICE
|
|
CBreakPoints::ExecMemCheck(_Address, true, _iLength, currentMIPS->pc);
|
|
#endif
|
|
}
|
|
|
|
} // namespace
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