memory: Replace all memory hooking with Special regions
This commit is contained in:
parent
e7cb20fbf0
commit
738f91a57d
11 changed files with 276 additions and 444 deletions
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@ -163,8 +163,8 @@ add_library(core STATIC
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loader/nso.h
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loader/nso.h
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memory.cpp
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memory.cpp
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memory.h
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memory.h
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memory_hook.h
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memory_setup.h
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memory_setup.h
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mmio.h
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perf_stats.cpp
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perf_stats.cpp
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perf_stats.h
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perf_stats.h
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settings.cpp
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settings.cpp
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@ -10,8 +10,8 @@
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#include "core/hle/kernel/errors.h"
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#include "core/hle/kernel/errors.h"
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#include "core/hle/kernel/vm_manager.h"
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#include "core/hle/kernel/vm_manager.h"
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#include "core/memory.h"
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#include "core/memory.h"
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#include "core/memory_hook.h"
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#include "core/memory_setup.h"
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#include "core/memory_setup.h"
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#include "core/mmio.h"
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namespace Kernel {
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namespace Kernel {
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@ -60,8 +60,8 @@ void VMManager::Reset() {
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vma_map.emplace(initial_vma.base, initial_vma);
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vma_map.emplace(initial_vma.base, initial_vma);
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page_table.pointers.fill(nullptr);
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page_table.pointers.fill(nullptr);
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page_table.special_regions.clear();
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page_table.attributes.fill(Memory::PageType::Unmapped);
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page_table.attributes.fill(Memory::PageType::Unmapped);
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page_table.cached_res_count.fill(0);
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UpdatePageTableForVMA(initial_vma);
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UpdatePageTableForVMA(initial_vma);
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}
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}
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@ -121,7 +121,7 @@ ResultVal<VMManager::VMAHandle> VMManager::MapBackingMemory(VAddr target, u8* me
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ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u64 size,
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ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u64 size,
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MemoryState state,
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MemoryState state,
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Memory::MMIORegionPointer mmio_handler) {
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Memory::MemoryHookPointer mmio_handler) {
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// This is the appropriately sized VMA that will turn into our allocation.
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// This is the appropriately sized VMA that will turn into our allocation.
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CASCADE_RESULT(VMAIter vma_handle, CarveVMA(target, size));
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CASCADE_RESULT(VMAIter vma_handle, CarveVMA(target, size));
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VirtualMemoryArea& final_vma = vma_handle->second;
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VirtualMemoryArea& final_vma = vma_handle->second;
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@ -10,7 +10,7 @@
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#include "common/common_types.h"
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#include "common/common_types.h"
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#include "core/hle/result.h"
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#include "core/hle/result.h"
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#include "core/memory.h"
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#include "core/memory.h"
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#include "core/mmio.h"
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#include "core/memory_hook.h"
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namespace Kernel {
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namespace Kernel {
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@ -81,7 +81,7 @@ struct VirtualMemoryArea {
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// Settings for type = MMIO
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// Settings for type = MMIO
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/// Physical address of the register area this VMA maps to.
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/// Physical address of the register area this VMA maps to.
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PAddr paddr = 0;
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PAddr paddr = 0;
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Memory::MMIORegionPointer mmio_handler = nullptr;
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Memory::MemoryHookPointer mmio_handler = nullptr;
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/// Tests if this area can be merged to the right with `next`.
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/// Tests if this area can be merged to the right with `next`.
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bool CanBeMergedWith(const VirtualMemoryArea& next) const;
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bool CanBeMergedWith(const VirtualMemoryArea& next) const;
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@ -160,7 +160,7 @@ public:
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* @param mmio_handler The handler that will implement read and write for this MMIO region.
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* @param mmio_handler The handler that will implement read and write for this MMIO region.
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*/
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*/
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ResultVal<VMAHandle> MapMMIO(VAddr target, PAddr paddr, u64 size, MemoryState state,
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ResultVal<VMAHandle> MapMMIO(VAddr target, PAddr paddr, u64 size, MemoryState state,
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Memory::MMIORegionPointer mmio_handler);
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Memory::MemoryHookPointer mmio_handler);
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/// Unmaps a range of addresses, splitting VMAs as necessary.
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/// Unmaps a range of addresses, splitting VMAs as necessary.
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ResultCode UnmapRange(VAddr target, u64 size);
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ResultCode UnmapRange(VAddr target, u64 size);
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@ -2,8 +2,10 @@
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// Licensed under GPLv2 or any later version
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <array>
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#include <array>
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#include <cstring>
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#include <cstring>
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#include <boost/optional.hpp>
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#include "common/assert.h"
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "common/logging/log.h"
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@ -12,7 +14,6 @@
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#include "core/core.h"
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#include "core/core.h"
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#include "core/hle/kernel/memory.h"
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#include "core/hle/kernel/memory.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/lock.h"
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#include "core/memory.h"
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#include "core/memory.h"
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#include "core/memory_setup.h"
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#include "core/memory_setup.h"
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#include "video_core/renderer_base.h"
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#include "video_core/renderer_base.h"
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@ -40,16 +41,12 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
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LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE,
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LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE,
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(base + size) * PAGE_SIZE);
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(base + size) * PAGE_SIZE);
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RasterizerFlushVirtualRegion(base << PAGE_BITS, size * PAGE_SIZE,
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FlushMode::FlushAndInvalidate);
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VAddr end = base + size;
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VAddr end = base + size;
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while (base != end) {
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while (base != end) {
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ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %08X", base);
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ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %08X", base);
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page_table.attributes[base] = type;
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page_table.attributes[base] = type;
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page_table.pointers[base] = memory;
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page_table.pointers[base] = memory;
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page_table.cached_res_count[base] = 0;
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base += 1;
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base += 1;
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if (memory != nullptr)
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if (memory != nullptr)
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@ -63,157 +60,110 @@ void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target) {
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
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}
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}
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void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MMIORegionPointer mmio_handler) {
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void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
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page_table.special_regions.emplace_back(SpecialRegion{base, size, mmio_handler});
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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SpecialRegion region{SpecialRegion::Type::IODevice, mmio_handler};
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page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
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}
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}
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void UnmapRegion(PageTable& page_table, VAddr base, u64 size) {
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void UnmapRegion(PageTable& page_table, VAddr base, u64 size) {
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
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MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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page_table.special_regions.erase(interval);
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}
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}
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/**
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void AddDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) {
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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* using a VMA from the current process
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SpecialRegion region{SpecialRegion::Type::DebugHook, hook};
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*/
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page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
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static u8* GetPointerFromVMA(const Kernel::Process& process, VAddr vaddr) {
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u8* direct_pointer = nullptr;
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auto& vm_manager = process.vm_manager;
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auto it = vm_manager.FindVMA(vaddr);
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ASSERT(it != vm_manager.vma_map.end());
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auto& vma = it->second;
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switch (vma.type) {
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case Kernel::VMAType::AllocatedMemoryBlock:
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direct_pointer = vma.backing_block->data() + vma.offset;
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break;
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case Kernel::VMAType::BackingMemory:
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direct_pointer = vma.backing_memory;
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break;
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case Kernel::VMAType::Free:
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return nullptr;
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default:
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UNREACHABLE();
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}
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return direct_pointer + (vaddr - vma.base);
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}
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}
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/**
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void RemoveDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) {
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* Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
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auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
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* using a VMA from the current process.
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SpecialRegion region{SpecialRegion::Type::DebugHook, hook};
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*/
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page_table.special_regions.subtract(std::make_pair(interval, std::set<SpecialRegion>{region}));
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static u8* GetPointerFromVMA(VAddr vaddr) {
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return GetPointerFromVMA(*Kernel::g_current_process, vaddr);
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}
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}
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/**
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/**
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* This function should only be called for virtual addreses with attribute `PageType::Special`.
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* This function should only be called for virtual addreses with attribute `PageType::Special`.
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*/
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*/
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static MMIORegionPointer GetMMIOHandler(const PageTable& page_table, VAddr vaddr) {
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static std::set<MemoryHookPointer> GetSpecialHandlers(const PageTable& page_table, VAddr vaddr,
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for (const auto& region : page_table.special_regions) {
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u64 size) {
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if (vaddr >= region.base && vaddr < (region.base + region.size)) {
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std::set<MemoryHookPointer> result;
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return region.handler;
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auto interval = boost::icl::discrete_interval<VAddr>::closed(vaddr, vaddr + size - 1);
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auto interval_list = page_table.special_regions.equal_range(interval);
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for (auto it = interval_list.first; it != interval_list.second; ++it) {
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for (const auto& region : it->second) {
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result.insert(region.handler);
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}
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}
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}
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}
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ASSERT_MSG(false, "Mapped IO page without a handler @ %08X", vaddr);
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return result;
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return nullptr; // Should never happen
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}
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}
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static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
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static std::set<MemoryHookPointer> GetSpecialHandlers(VAddr vaddr, u64 size) {
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const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
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const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
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return GetMMIOHandler(page_table, vaddr);
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return GetSpecialHandlers(page_table, vaddr, size);
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}
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}
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template <typename T>
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template <typename T>
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T ReadMMIO(MMIORegionPointer mmio_handler, VAddr addr);
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boost::optional<T> ReadSpecial(VAddr addr);
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template <typename T>
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template <typename T>
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T Read(const VAddr vaddr) {
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T Read(const VAddr vaddr) {
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const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%016llX", sizeof(T) * 8, vaddr);
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return 0;
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case PageType::Special: {
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if (auto result = ReadSpecial<T>(vaddr))
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return *result;
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[[fallthrough]];
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}
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case PageType::Memory: {
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const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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if (page_pointer) {
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ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %08X", vaddr);
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// NOTE: Avoid adding any extra logic to this fast-path block
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T value;
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T value;
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std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
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std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
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return value;
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return value;
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}
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}
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// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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case PageType::Unmapped:
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LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%llx", sizeof(T) * 8, vaddr);
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return 0;
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case PageType::Memory:
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ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
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break;
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case PageType::RasterizerCachedMemory: {
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RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::Flush);
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T value;
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std::memcpy(&value, GetPointerFromVMA(vaddr), sizeof(T));
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return value;
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}
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}
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case PageType::Special:
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return ReadMMIO<T>(GetMMIOHandler(vaddr), vaddr);
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case PageType::RasterizerCachedSpecial: {
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RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::Flush);
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return ReadMMIO<T>(GetMMIOHandler(vaddr), vaddr);
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}
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default:
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UNREACHABLE();
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UNREACHABLE();
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}
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return 0;
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}
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}
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template <typename T>
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template <typename T>
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void WriteMMIO(MMIORegionPointer mmio_handler, VAddr addr, const T data);
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bool WriteSpecial(VAddr addr, const T data);
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template <typename T>
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template <typename T>
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void Write(const VAddr vaddr, const T data) {
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void Write(const VAddr vaddr, const T data) {
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u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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if (page_pointer) {
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// NOTE: Avoid adding any extra logic to this fast-path block
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std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
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return;
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}
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// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
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switch (type) {
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switch (type) {
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case PageType::Unmapped:
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case PageType::Unmapped:
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LOG_ERROR(HW_Memory, "unmapped Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data,
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LOG_ERROR(HW_Memory, "unmapped Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data,
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vaddr);
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vaddr);
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return;
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return;
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case PageType::Memory:
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case PageType::Special: {
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ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
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if (WriteSpecial<T>(vaddr, data))
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break;
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return;
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case PageType::RasterizerCachedMemory: {
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[[fallthrough]];
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RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::FlushAndInvalidate);
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}
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std::memcpy(GetPointerFromVMA(vaddr), &data, sizeof(T));
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case PageType::Memory: {
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break;
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u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
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ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %08X", vaddr);
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std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
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return;
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}
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}
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case PageType::Special:
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|
||||||
WriteMMIO<T>(GetMMIOHandler(vaddr), vaddr, data);
|
|
||||||
break;
|
|
||||||
case PageType::RasterizerCachedSpecial: {
|
|
||||||
RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::FlushAndInvalidate);
|
|
||||||
WriteMMIO<T>(GetMMIOHandler(vaddr), vaddr, data);
|
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
default:
|
|
||||||
UNREACHABLE();
|
UNREACHABLE();
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
|
bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
|
||||||
|
@ -222,21 +172,20 @@ bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
|
||||||
if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES)
|
if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES)
|
||||||
return false;
|
return false;
|
||||||
|
|
||||||
const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
|
const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
|
||||||
if (page_pointer)
|
switch (type) {
|
||||||
return true;
|
case PageType::Unmapped:
|
||||||
|
|
||||||
if (page_table.attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory)
|
|
||||||
return true;
|
|
||||||
|
|
||||||
if (page_table.attributes[vaddr >> PAGE_BITS] != PageType::Special)
|
|
||||||
return false;
|
return false;
|
||||||
|
case PageType::Memory:
|
||||||
MMIORegionPointer mmio_region = GetMMIOHandler(page_table, vaddr);
|
return true;
|
||||||
if (mmio_region) {
|
case PageType::Special: {
|
||||||
return mmio_region->IsValidAddress(vaddr);
|
for (auto handler : GetSpecialHandlers(page_table, vaddr, 1))
|
||||||
|
if (auto result = handler->IsValidAddress(vaddr))
|
||||||
|
return *result;
|
||||||
|
return current_page_table->pointers[vaddr >> PAGE_BITS] != nullptr;
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
UNREACHABLE();
|
||||||
return false;
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -254,10 +203,6 @@ u8* GetPointer(const VAddr vaddr) {
|
||||||
return page_pointer + (vaddr & PAGE_MASK);
|
return page_pointer + (vaddr & PAGE_MASK);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (current_page_table->attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory) {
|
|
||||||
return GetPointerFromVMA(vaddr);
|
|
||||||
}
|
|
||||||
|
|
||||||
LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr);
|
LOG_ERROR(HW_Memory, "unknown GetPointer @ 0x%08x", vaddr);
|
||||||
return nullptr;
|
return nullptr;
|
||||||
}
|
}
|
||||||
|
@ -335,97 +280,6 @@ u8* GetPhysicalPointer(PAddr address) {
|
||||||
return target_pointer;
|
return target_pointer;
|
||||||
}
|
}
|
||||||
|
|
||||||
void RasterizerMarkRegionCached(PAddr start, u64 size, int count_delta) {
|
|
||||||
if (start == 0) {
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
u64 num_pages = ((start + size - 1) >> PAGE_BITS) - (start >> PAGE_BITS) + 1;
|
|
||||||
PAddr paddr = start;
|
|
||||||
|
|
||||||
for (unsigned i = 0; i < num_pages; ++i, paddr += PAGE_SIZE) {
|
|
||||||
boost::optional<VAddr> maybe_vaddr = PhysicalToVirtualAddress(paddr);
|
|
||||||
// While the physical <-> virtual mapping is 1:1 for the regions supported by the cache,
|
|
||||||
// some games (like Pokemon Super Mystery Dungeon) will try to use textures that go beyond
|
|
||||||
// the end address of VRAM, causing the Virtual->Physical translation to fail when flushing
|
|
||||||
// parts of the texture.
|
|
||||||
if (!maybe_vaddr) {
|
|
||||||
LOG_ERROR(HW_Memory,
|
|
||||||
"Trying to flush a cached region to an invalid physical address %08X", paddr);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
VAddr vaddr = *maybe_vaddr;
|
|
||||||
|
|
||||||
u8& res_count = current_page_table->cached_res_count[vaddr >> PAGE_BITS];
|
|
||||||
ASSERT_MSG(count_delta <= UINT8_MAX - res_count,
|
|
||||||
"Rasterizer resource cache counter overflow!");
|
|
||||||
ASSERT_MSG(count_delta >= -res_count, "Rasterizer resource cache counter underflow!");
|
|
||||||
|
|
||||||
// Switch page type to cached if now cached
|
|
||||||
if (res_count == 0) {
|
|
||||||
PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
|
|
||||||
switch (page_type) {
|
|
||||||
case PageType::Unmapped:
|
|
||||||
// It is not necessary for a process to have this region mapped into its address
|
|
||||||
// space, for example, a system module need not have a VRAM mapping.
|
|
||||||
break;
|
|
||||||
case PageType::Memory:
|
|
||||||
page_type = PageType::RasterizerCachedMemory;
|
|
||||||
current_page_table->pointers[vaddr >> PAGE_BITS] = nullptr;
|
|
||||||
break;
|
|
||||||
case PageType::Special:
|
|
||||||
page_type = PageType::RasterizerCachedSpecial;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
UNREACHABLE();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
res_count += count_delta;
|
|
||||||
|
|
||||||
// Switch page type to uncached if now uncached
|
|
||||||
if (res_count == 0) {
|
|
||||||
PageType& page_type = current_page_table->attributes[vaddr >> PAGE_BITS];
|
|
||||||
switch (page_type) {
|
|
||||||
case PageType::Unmapped:
|
|
||||||
// It is not necessary for a process to have this region mapped into its address
|
|
||||||
// space, for example, a system module need not have a VRAM mapping.
|
|
||||||
break;
|
|
||||||
case PageType::RasterizerCachedMemory: {
|
|
||||||
u8* pointer = GetPointerFromVMA(vaddr & ~PAGE_MASK);
|
|
||||||
if (pointer == nullptr) {
|
|
||||||
// It's possible that this function has called been while updating the pagetable
|
|
||||||
// after unmapping a VMA. In that case the underlying VMA will no longer exist,
|
|
||||||
// and we should just leave the pagetable entry blank.
|
|
||||||
page_type = PageType::Unmapped;
|
|
||||||
} else {
|
|
||||||
page_type = PageType::Memory;
|
|
||||||
current_page_table->pointers[vaddr >> PAGE_BITS] = pointer;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedSpecial:
|
|
||||||
page_type = PageType::Special;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
UNREACHABLE();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void RasterizerFlushRegion(PAddr start, u64 size) {}
|
|
||||||
|
|
||||||
void RasterizerFlushAndInvalidateRegion(PAddr start, u64 size) {
|
|
||||||
// Since pages are unmapped on shutdown after video core is shutdown, the renderer may be
|
|
||||||
// null here
|
|
||||||
}
|
|
||||||
|
|
||||||
void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode) {
|
|
||||||
// Since pages are unmapped on shutdown after video core is shutdown, the renderer may be
|
|
||||||
// null here
|
|
||||||
}
|
|
||||||
|
|
||||||
u8 Read8(const VAddr addr) {
|
u8 Read8(const VAddr addr) {
|
||||||
return Read<u8>(addr);
|
return Read<u8>(addr);
|
||||||
}
|
}
|
||||||
|
@ -442,6 +296,17 @@ u64 Read64(const VAddr addr) {
|
||||||
return Read<u64_le>(addr);
|
return Read<u64_le>(addr);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static bool ReadSpecialBlock(const Kernel::Process& process, const VAddr src_addr,
|
||||||
|
void* dest_buffer, const size_t size) {
|
||||||
|
auto& page_table = process.vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, src_addr, size)) {
|
||||||
|
if (handler->ReadBlock(src_addr, dest_buffer, size)) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
|
void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
|
||||||
const size_t size) {
|
const size_t size) {
|
||||||
auto& page_table = process.vm_manager.page_table;
|
auto& page_table = process.vm_manager.page_table;
|
||||||
|
@ -455,11 +320,15 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
|
||||||
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
||||||
|
|
||||||
switch (page_table.attributes[page_index]) {
|
switch (page_table.attributes[page_index]) {
|
||||||
case PageType::Unmapped: {
|
case PageType::Unmapped:
|
||||||
LOG_ERROR(HW_Memory, "unmapped ReadBlock @ 0x%08X (start address = 0xllx, size = %zu)",
|
LOG_ERROR(HW_Memory, "unmapped ReadBlock @ 0x%08X (start address = 0xllx, size = %zu)",
|
||||||
current_vaddr, src_addr, size);
|
current_vaddr, src_addr, size);
|
||||||
std::memset(dest_buffer, 0, copy_amount);
|
std::memset(dest_buffer, 0, copy_amount);
|
||||||
break;
|
break;
|
||||||
|
case PageType::Special: {
|
||||||
|
if (ReadSpecialBlock(process, current_vaddr, dest_buffer, copy_amount))
|
||||||
|
break;
|
||||||
|
[[fallthrough]];
|
||||||
}
|
}
|
||||||
case PageType::Memory: {
|
case PageType::Memory: {
|
||||||
DEBUG_ASSERT(page_table.pointers[page_index]);
|
DEBUG_ASSERT(page_table.pointers[page_index]);
|
||||||
|
@ -468,26 +337,6 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
|
||||||
std::memcpy(dest_buffer, src_ptr, copy_amount);
|
std::memcpy(dest_buffer, src_ptr, copy_amount);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
case PageType::Special: {
|
|
||||||
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
|
|
||||||
DEBUG_ASSERT(handler);
|
|
||||||
handler->ReadBlock(current_vaddr, dest_buffer, copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedMemory: {
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::Flush);
|
|
||||||
std::memcpy(dest_buffer, GetPointerFromVMA(process, current_vaddr), copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedSpecial: {
|
|
||||||
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
|
|
||||||
DEBUG_ASSERT(handler);
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::Flush);
|
|
||||||
handler->ReadBlock(current_vaddr, dest_buffer, copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
default:
|
default:
|
||||||
UNREACHABLE();
|
UNREACHABLE();
|
||||||
}
|
}
|
||||||
|
@ -519,6 +368,17 @@ void Write64(const VAddr addr, const u64 data) {
|
||||||
Write<u64_le>(addr, data);
|
Write<u64_le>(addr, data);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static bool WriteSpecialBlock(const Kernel::Process& process, const VAddr dest_addr,
|
||||||
|
const void* src_buffer, const size_t size) {
|
||||||
|
auto& page_table = process.vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, dest_addr, size)) {
|
||||||
|
if (handler->WriteBlock(dest_addr, src_buffer, size)) {
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
|
void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const void* src_buffer,
|
||||||
const size_t size) {
|
const size_t size) {
|
||||||
auto& page_table = process.vm_manager.page_table;
|
auto& page_table = process.vm_manager.page_table;
|
||||||
|
@ -531,12 +391,15 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
|
||||||
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
||||||
|
|
||||||
switch (page_table.attributes[page_index]) {
|
switch (page_table.attributes[page_index]) {
|
||||||
case PageType::Unmapped: {
|
case PageType::Unmapped:
|
||||||
LOG_ERROR(HW_Memory,
|
LOG_ERROR(HW_Memory,
|
||||||
"unmapped WriteBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
|
"unmapped WriteBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
|
||||||
current_vaddr, dest_addr, size);
|
current_vaddr, dest_addr, size);
|
||||||
break;
|
break;
|
||||||
}
|
case PageType::Special:
|
||||||
|
if (WriteSpecialBlock(process, current_vaddr, src_buffer, copy_amount))
|
||||||
|
break;
|
||||||
|
[[fallthrough]];
|
||||||
case PageType::Memory: {
|
case PageType::Memory: {
|
||||||
DEBUG_ASSERT(page_table.pointers[page_index]);
|
DEBUG_ASSERT(page_table.pointers[page_index]);
|
||||||
|
|
||||||
|
@ -544,26 +407,6 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
|
||||||
std::memcpy(dest_ptr, src_buffer, copy_amount);
|
std::memcpy(dest_ptr, src_buffer, copy_amount);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
case PageType::Special: {
|
|
||||||
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
|
|
||||||
DEBUG_ASSERT(handler);
|
|
||||||
handler->WriteBlock(current_vaddr, src_buffer, copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedMemory: {
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::FlushAndInvalidate);
|
|
||||||
std::memcpy(GetPointerFromVMA(process, current_vaddr), src_buffer, copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedSpecial: {
|
|
||||||
MMIORegionPointer handler = GetMMIOHandler(page_table, current_vaddr);
|
|
||||||
DEBUG_ASSERT(handler);
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::FlushAndInvalidate);
|
|
||||||
handler->WriteBlock(current_vaddr, src_buffer, copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
default:
|
default:
|
||||||
UNREACHABLE();
|
UNREACHABLE();
|
||||||
}
|
}
|
||||||
|
@ -580,6 +423,8 @@ void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size
|
||||||
}
|
}
|
||||||
|
|
||||||
void ZeroBlock(const VAddr dest_addr, const size_t size) {
|
void ZeroBlock(const VAddr dest_addr, const size_t size) {
|
||||||
|
const auto& process = *Kernel::g_current_process;
|
||||||
|
|
||||||
size_t remaining_size = size;
|
size_t remaining_size = size;
|
||||||
size_t page_index = dest_addr >> PAGE_BITS;
|
size_t page_index = dest_addr >> PAGE_BITS;
|
||||||
size_t page_offset = dest_addr & PAGE_MASK;
|
size_t page_offset = dest_addr & PAGE_MASK;
|
||||||
|
@ -591,11 +436,14 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
|
||||||
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
||||||
|
|
||||||
switch (current_page_table->attributes[page_index]) {
|
switch (current_page_table->attributes[page_index]) {
|
||||||
case PageType::Unmapped: {
|
case PageType::Unmapped:
|
||||||
LOG_ERROR(HW_Memory, "unmapped ZeroBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
|
LOG_ERROR(HW_Memory, "unmapped ZeroBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
|
||||||
current_vaddr, dest_addr, size);
|
current_vaddr, dest_addr, size);
|
||||||
break;
|
break;
|
||||||
}
|
case PageType::Special:
|
||||||
|
if (WriteSpecialBlock(process, current_vaddr, zeros.data(), copy_amount))
|
||||||
|
break;
|
||||||
|
[[fallthrough]];
|
||||||
case PageType::Memory: {
|
case PageType::Memory: {
|
||||||
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
||||||
|
|
||||||
|
@ -603,25 +451,6 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
|
||||||
std::memset(dest_ptr, 0, copy_amount);
|
std::memset(dest_ptr, 0, copy_amount);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
case PageType::Special: {
|
|
||||||
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
||||||
|
|
||||||
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, zeros.data(), copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedMemory: {
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::FlushAndInvalidate);
|
|
||||||
std::memset(GetPointerFromVMA(current_vaddr), 0, copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedSpecial: {
|
|
||||||
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::FlushAndInvalidate);
|
|
||||||
GetMMIOHandler(current_vaddr)->WriteBlock(current_vaddr, zeros.data(), copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
default:
|
default:
|
||||||
UNREACHABLE();
|
UNREACHABLE();
|
||||||
}
|
}
|
||||||
|
@ -633,6 +462,8 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
|
||||||
}
|
}
|
||||||
|
|
||||||
void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
|
void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
|
||||||
|
const auto& process = *Kernel::g_current_process;
|
||||||
|
|
||||||
size_t remaining_size = size;
|
size_t remaining_size = size;
|
||||||
size_t page_index = src_addr >> PAGE_BITS;
|
size_t page_index = src_addr >> PAGE_BITS;
|
||||||
size_t page_offset = src_addr & PAGE_MASK;
|
size_t page_offset = src_addr & PAGE_MASK;
|
||||||
|
@ -642,11 +473,18 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
|
||||||
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
|
||||||
|
|
||||||
switch (current_page_table->attributes[page_index]) {
|
switch (current_page_table->attributes[page_index]) {
|
||||||
case PageType::Unmapped: {
|
case PageType::Unmapped:
|
||||||
LOG_ERROR(HW_Memory, "unmapped CopyBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
|
LOG_ERROR(HW_Memory, "unmapped CopyBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
|
||||||
current_vaddr, src_addr, size);
|
current_vaddr, src_addr, size);
|
||||||
ZeroBlock(dest_addr, copy_amount);
|
ZeroBlock(dest_addr, copy_amount);
|
||||||
break;
|
break;
|
||||||
|
case PageType::Special: {
|
||||||
|
std::vector<u8> buffer(copy_amount);
|
||||||
|
if (ReadSpecialBlock(process, current_vaddr, buffer.data(), buffer.size())) {
|
||||||
|
WriteBlock(dest_addr, buffer.data(), buffer.size());
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
[[fallthrough]];
|
||||||
}
|
}
|
||||||
case PageType::Memory: {
|
case PageType::Memory: {
|
||||||
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
DEBUG_ASSERT(current_page_table->pointers[page_index]);
|
||||||
|
@ -654,30 +492,6 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
|
||||||
WriteBlock(dest_addr, src_ptr, copy_amount);
|
WriteBlock(dest_addr, src_ptr, copy_amount);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
case PageType::Special: {
|
|
||||||
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
||||||
|
|
||||||
std::vector<u8> buffer(copy_amount);
|
|
||||||
GetMMIOHandler(current_vaddr)->ReadBlock(current_vaddr, buffer.data(), buffer.size());
|
|
||||||
WriteBlock(dest_addr, buffer.data(), buffer.size());
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedMemory: {
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::Flush);
|
|
||||||
WriteBlock(dest_addr, GetPointerFromVMA(current_vaddr), copy_amount);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
case PageType::RasterizerCachedSpecial: {
|
|
||||||
DEBUG_ASSERT(GetMMIOHandler(current_vaddr));
|
|
||||||
RasterizerFlushVirtualRegion(current_vaddr, static_cast<u32>(copy_amount),
|
|
||||||
FlushMode::Flush);
|
|
||||||
|
|
||||||
std::vector<u8> buffer(copy_amount);
|
|
||||||
GetMMIOHandler(current_vaddr)->ReadBlock(current_vaddr, buffer.data(), buffer.size());
|
|
||||||
WriteBlock(dest_addr, buffer.data(), buffer.size());
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
default:
|
default:
|
||||||
UNREACHABLE();
|
UNREACHABLE();
|
||||||
}
|
}
|
||||||
|
@ -691,43 +505,75 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
u8 ReadMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr) {
|
boost::optional<u8> ReadSpecial<u8>(VAddr addr) {
|
||||||
return mmio_handler->Read8(addr);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u8)))
|
||||||
|
if (auto result = handler->Read8(addr))
|
||||||
|
return *result;
|
||||||
|
return {};
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
u16 ReadMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr) {
|
boost::optional<u16> ReadSpecial<u16>(VAddr addr) {
|
||||||
return mmio_handler->Read16(addr);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u16)))
|
||||||
|
if (auto result = handler->Read16(addr))
|
||||||
|
return *result;
|
||||||
|
return {};
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
u32 ReadMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr) {
|
boost::optional<u32> ReadSpecial<u32>(VAddr addr) {
|
||||||
return mmio_handler->Read32(addr);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u32)))
|
||||||
|
if (auto result = handler->Read32(addr))
|
||||||
|
return *result;
|
||||||
|
return {};
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
u64 ReadMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr) {
|
boost::optional<u64> ReadSpecial<u64>(VAddr addr) {
|
||||||
return mmio_handler->Read64(addr);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u64)))
|
||||||
|
if (auto result = handler->Read64(addr))
|
||||||
|
return *result;
|
||||||
|
return {};
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
void WriteMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr, const u8 data) {
|
bool WriteSpecial<u8>(VAddr addr, const u8 data) {
|
||||||
mmio_handler->Write8(addr, data);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u8)))
|
||||||
|
if (handler->Write8(addr, data))
|
||||||
|
return true;
|
||||||
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
void WriteMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr, const u16 data) {
|
bool WriteSpecial<u16>(VAddr addr, const u16 data) {
|
||||||
mmio_handler->Write16(addr, data);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u16)))
|
||||||
|
if (handler->Write16(addr, data))
|
||||||
|
return true;
|
||||||
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
void WriteMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr, const u32 data) {
|
bool WriteSpecial<u32>(VAddr addr, const u32 data) {
|
||||||
mmio_handler->Write32(addr, data);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u32)))
|
||||||
|
if (handler->Write32(addr, data))
|
||||||
|
return true;
|
||||||
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
template <>
|
template <>
|
||||||
void WriteMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr, const u64 data) {
|
bool WriteSpecial<u64>(VAddr addr, const u64 data) {
|
||||||
mmio_handler->Write64(addr, data);
|
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u64)))
|
||||||
|
if (handler->Write64(addr, data))
|
||||||
|
return true;
|
||||||
|
return false;
|
||||||
}
|
}
|
||||||
|
|
||||||
boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) {
|
boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) {
|
||||||
|
|
|
@ -8,10 +8,12 @@
|
||||||
#include <cstddef>
|
#include <cstddef>
|
||||||
#include <map>
|
#include <map>
|
||||||
#include <string>
|
#include <string>
|
||||||
|
#include <tuple>
|
||||||
#include <vector>
|
#include <vector>
|
||||||
|
#include <boost/icl/interval_map.hpp>
|
||||||
#include <boost/optional.hpp>
|
#include <boost/optional.hpp>
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
#include "core/mmio.h"
|
#include "core/memory_hook.h"
|
||||||
|
|
||||||
namespace Kernel {
|
namespace Kernel {
|
||||||
class Process;
|
class Process;
|
||||||
|
@ -28,32 +30,35 @@ const u64 PAGE_SIZE = 1 << PAGE_BITS;
|
||||||
const u64 PAGE_MASK = PAGE_SIZE - 1;
|
const u64 PAGE_MASK = PAGE_SIZE - 1;
|
||||||
const size_t PAGE_TABLE_NUM_ENTRIES = 1ULL << (36 - PAGE_BITS);
|
const size_t PAGE_TABLE_NUM_ENTRIES = 1ULL << (36 - PAGE_BITS);
|
||||||
|
|
||||||
enum class PageType {
|
enum class PageType : u8 {
|
||||||
/// Page is unmapped and should cause an access error.
|
/// Page is unmapped and should cause an access error.
|
||||||
Unmapped,
|
Unmapped,
|
||||||
/// Page is mapped to regular memory. This is the only type you can get pointers to.
|
/// Page is mapped to regular memory. This is the only type you can get pointers to.
|
||||||
Memory,
|
Memory,
|
||||||
/// Page is mapped to regular memory, but also needs to check for rasterizer cache flushing and
|
/// Page is mapped to a memory hook, which intercepts read and write requests.
|
||||||
/// invalidation
|
|
||||||
RasterizerCachedMemory,
|
|
||||||
/// Page is mapped to a I/O region. Writing and reading to this page is handled by functions.
|
|
||||||
Special,
|
Special,
|
||||||
/// Page is mapped to a I/O region, but also needs to check for rasterizer cache flushing and
|
|
||||||
/// invalidation
|
|
||||||
RasterizerCachedSpecial,
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct SpecialRegion {
|
struct SpecialRegion {
|
||||||
VAddr base;
|
enum class Type {
|
||||||
u64 size;
|
DebugHook,
|
||||||
MMIORegionPointer handler;
|
IODevice,
|
||||||
|
} type;
|
||||||
|
|
||||||
|
MemoryHookPointer handler;
|
||||||
|
|
||||||
|
bool operator<(const SpecialRegion& other) const {
|
||||||
|
return std::tie(type, handler) < std::tie(other.type, other.handler);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool operator==(const SpecialRegion& other) const {
|
||||||
|
return std::tie(type, handler) == std::tie(other.type, other.handler);
|
||||||
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* A (reasonably) fast way of allowing switchable and remappable process address spaces. It loosely
|
* A (reasonably) fast way of allowing switchable and remappable process address spaces. It loosely
|
||||||
* mimics the way a real CPU page table works, but instead is optimized for minimal decoding and
|
* mimics the way a real CPU page table works.
|
||||||
* fetching requirements when accessing. In the usual case of an access to regular memory, it only
|
|
||||||
* requires an indexed fetch and a check for NULL.
|
|
||||||
*/
|
*/
|
||||||
struct PageTable {
|
struct PageTable {
|
||||||
/**
|
/**
|
||||||
|
@ -66,19 +71,13 @@ struct PageTable {
|
||||||
* Contains MMIO handlers that back memory regions whose entries in the `attribute` array is of
|
* Contains MMIO handlers that back memory regions whose entries in the `attribute` array is of
|
||||||
* type `Special`.
|
* type `Special`.
|
||||||
*/
|
*/
|
||||||
std::vector<SpecialRegion> special_regions;
|
boost::icl::interval_map<VAddr, std::set<SpecialRegion>> special_regions;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Array of fine grained page attributes. If it is set to any value other than `Memory`, then
|
* Array of fine grained page attributes. If it is set to any value other than `Memory`, then
|
||||||
* the corresponding entry in `pointers` MUST be set to null.
|
* the corresponding entry in `pointers` MUST be set to null.
|
||||||
*/
|
*/
|
||||||
std::array<PageType, PAGE_TABLE_NUM_ENTRIES> attributes;
|
std::array<PageType, PAGE_TABLE_NUM_ENTRIES> attributes;
|
||||||
|
|
||||||
/**
|
|
||||||
* Indicates the number of externally cached resources touching a page that should be
|
|
||||||
* flushed before the memory is accessed
|
|
||||||
*/
|
|
||||||
std::array<u8, PAGE_TABLE_NUM_ENTRIES> cached_res_count;
|
|
||||||
};
|
};
|
||||||
|
|
||||||
/// Physical memory regions as seen from the ARM11
|
/// Physical memory regions as seen from the ARM11
|
||||||
|
@ -243,33 +242,4 @@ boost::optional<VAddr> PhysicalToVirtualAddress(PAddr addr);
|
||||||
*/
|
*/
|
||||||
u8* GetPhysicalPointer(PAddr address);
|
u8* GetPhysicalPointer(PAddr address);
|
||||||
|
|
||||||
/**
|
|
||||||
* Adds the supplied value to the rasterizer resource cache counter of each
|
|
||||||
* page touching the region.
|
|
||||||
*/
|
|
||||||
void RasterizerMarkRegionCached(PAddr start, u64 size, int count_delta);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Flushes any externally cached rasterizer resources touching the given region.
|
|
||||||
*/
|
|
||||||
void RasterizerFlushRegion(PAddr start, u64 size);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Flushes and invalidates any externally cached rasterizer resources touching the given region.
|
|
||||||
*/
|
|
||||||
void RasterizerFlushAndInvalidateRegion(PAddr start, u64 size);
|
|
||||||
|
|
||||||
enum class FlushMode {
|
|
||||||
/// Write back modified surfaces to RAM
|
|
||||||
Flush,
|
|
||||||
/// Write back modified surfaces to RAM, and also remove them from the cache
|
|
||||||
FlushAndInvalidate,
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Flushes and invalidates any externally cached rasterizer resources touching the given virtual
|
|
||||||
* address region.
|
|
||||||
*/
|
|
||||||
void RasterizerFlushVirtualRegion(VAddr start, u64 size, FlushMode mode);
|
|
||||||
|
|
||||||
} // namespace Memory
|
} // namespace Memory
|
||||||
|
|
46
src/core/memory_hook.h
Normal file
46
src/core/memory_hook.h
Normal file
|
@ -0,0 +1,46 @@
|
||||||
|
// Copyright 2016 Citra Emulator Project
|
||||||
|
// Licensed under GPLv2 or any later version
|
||||||
|
// Refer to the license.txt file included.
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <memory>
|
||||||
|
#include <boost/optional.hpp>
|
||||||
|
#include "common/common_types.h"
|
||||||
|
|
||||||
|
namespace Memory {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Memory hooks have two purposes:
|
||||||
|
* 1. To allow reads and writes to a region of memory to be intercepted. This is used to implement
|
||||||
|
* texture forwarding and memory breakpoints for debugging.
|
||||||
|
* 2. To allow for the implementation of MMIO devices.
|
||||||
|
*
|
||||||
|
* A hook may be mapped to multiple regions of memory.
|
||||||
|
*
|
||||||
|
* If a boost::none or false is returned from a function, the read/write request is passed through
|
||||||
|
* to the underlying memory region.
|
||||||
|
*/
|
||||||
|
class MemoryHook {
|
||||||
|
public:
|
||||||
|
virtual ~MemoryHook() = default;
|
||||||
|
|
||||||
|
virtual boost::optional<bool> IsValidAddress(VAddr addr) = 0;
|
||||||
|
|
||||||
|
virtual boost::optional<u8> Read8(VAddr addr) = 0;
|
||||||
|
virtual boost::optional<u16> Read16(VAddr addr) = 0;
|
||||||
|
virtual boost::optional<u32> Read32(VAddr addr) = 0;
|
||||||
|
virtual boost::optional<u64> Read64(VAddr addr) = 0;
|
||||||
|
|
||||||
|
virtual bool ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) = 0;
|
||||||
|
|
||||||
|
virtual bool Write8(VAddr addr, u8 data) = 0;
|
||||||
|
virtual bool Write16(VAddr addr, u16 data) = 0;
|
||||||
|
virtual bool Write32(VAddr addr, u32 data) = 0;
|
||||||
|
virtual bool Write64(VAddr addr, u64 data) = 0;
|
||||||
|
|
||||||
|
virtual bool WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) = 0;
|
||||||
|
};
|
||||||
|
|
||||||
|
using MemoryHookPointer = std::shared_ptr<MemoryHook>;
|
||||||
|
} // namespace Memory
|
|
@ -5,7 +5,7 @@
|
||||||
#pragma once
|
#pragma once
|
||||||
|
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
#include "core/mmio.h"
|
#include "core/memory_hook.h"
|
||||||
|
|
||||||
namespace Memory {
|
namespace Memory {
|
||||||
|
|
||||||
|
@ -26,7 +26,11 @@ void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target);
|
||||||
* @param size The amount of bytes to map. Must be page-aligned.
|
* @param size The amount of bytes to map. Must be page-aligned.
|
||||||
* @param mmio_handler The handler that backs the mapping.
|
* @param mmio_handler The handler that backs the mapping.
|
||||||
*/
|
*/
|
||||||
void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MMIORegionPointer mmio_handler);
|
void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler);
|
||||||
|
|
||||||
void UnmapRegion(PageTable& page_table, VAddr base, u64 size);
|
void UnmapRegion(PageTable& page_table, VAddr base, u64 size);
|
||||||
|
|
||||||
|
void AddDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook);
|
||||||
|
void RemoveDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook);
|
||||||
|
|
||||||
} // namespace Memory
|
} // namespace Memory
|
||||||
|
|
|
@ -1,38 +0,0 @@
|
||||||
// Copyright 2016 Citra Emulator Project
|
|
||||||
// Licensed under GPLv2 or any later version
|
|
||||||
// Refer to the license.txt file included.
|
|
||||||
|
|
||||||
#pragma once
|
|
||||||
|
|
||||||
#include <memory>
|
|
||||||
#include "common/common_types.h"
|
|
||||||
|
|
||||||
namespace Memory {
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents a device with memory mapped IO.
|
|
||||||
* A device may be mapped to multiple regions of memory.
|
|
||||||
*/
|
|
||||||
class MMIORegion {
|
|
||||||
public:
|
|
||||||
virtual ~MMIORegion() = default;
|
|
||||||
|
|
||||||
virtual bool IsValidAddress(VAddr addr) = 0;
|
|
||||||
|
|
||||||
virtual u8 Read8(VAddr addr) = 0;
|
|
||||||
virtual u16 Read16(VAddr addr) = 0;
|
|
||||||
virtual u32 Read32(VAddr addr) = 0;
|
|
||||||
virtual u64 Read64(VAddr addr) = 0;
|
|
||||||
|
|
||||||
virtual bool ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) = 0;
|
|
||||||
|
|
||||||
virtual void Write8(VAddr addr, u8 data) = 0;
|
|
||||||
virtual void Write16(VAddr addr, u16 data) = 0;
|
|
||||||
virtual void Write32(VAddr addr, u32 data) = 0;
|
|
||||||
virtual void Write64(VAddr addr, u64 data) = 0;
|
|
||||||
|
|
||||||
virtual bool WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) = 0;
|
|
||||||
};
|
|
||||||
|
|
||||||
using MMIORegionPointer = std::shared_ptr<MMIORegion>;
|
|
||||||
}; // namespace Memory
|
|
|
@ -19,8 +19,8 @@ TestEnvironment::TestEnvironment(bool mutable_memory_)
|
||||||
page_table = &Kernel::g_current_process->vm_manager.page_table;
|
page_table = &Kernel::g_current_process->vm_manager.page_table;
|
||||||
|
|
||||||
page_table->pointers.fill(nullptr);
|
page_table->pointers.fill(nullptr);
|
||||||
|
page_table->special_regions.clear();
|
||||||
page_table->attributes.fill(Memory::PageType::Unmapped);
|
page_table->attributes.fill(Memory::PageType::Unmapped);
|
||||||
page_table->cached_res_count.fill(0);
|
|
||||||
|
|
||||||
Memory::MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory);
|
Memory::MapIoRegion(*page_table, 0x00000000, 0x80000000, test_memory);
|
||||||
Memory::MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory);
|
Memory::MapIoRegion(*page_table, 0x80000000, 0x80000000, test_memory);
|
||||||
|
@ -62,11 +62,11 @@ void TestEnvironment::ClearWriteRecords() {
|
||||||
|
|
||||||
TestEnvironment::TestMemory::~TestMemory() {}
|
TestEnvironment::TestMemory::~TestMemory() {}
|
||||||
|
|
||||||
bool TestEnvironment::TestMemory::IsValidAddress(VAddr addr) {
|
boost::optional<bool> TestEnvironment::TestMemory::IsValidAddress(VAddr addr) {
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
u8 TestEnvironment::TestMemory::Read8(VAddr addr) {
|
boost::optional<u8> TestEnvironment::TestMemory::Read8(VAddr addr) {
|
||||||
auto iter = data.find(addr);
|
auto iter = data.find(addr);
|
||||||
if (iter == data.end()) {
|
if (iter == data.end()) {
|
||||||
return addr; // Some arbitrary data
|
return addr; // Some arbitrary data
|
||||||
|
@ -74,16 +74,16 @@ u8 TestEnvironment::TestMemory::Read8(VAddr addr) {
|
||||||
return iter->second;
|
return iter->second;
|
||||||
}
|
}
|
||||||
|
|
||||||
u16 TestEnvironment::TestMemory::Read16(VAddr addr) {
|
boost::optional<u16> TestEnvironment::TestMemory::Read16(VAddr addr) {
|
||||||
return Read8(addr) | static_cast<u16>(Read8(addr + 1)) << 8;
|
return *Read8(addr) | static_cast<u16>(*Read8(addr + 1)) << 8;
|
||||||
}
|
}
|
||||||
|
|
||||||
u32 TestEnvironment::TestMemory::Read32(VAddr addr) {
|
boost::optional<u32> TestEnvironment::TestMemory::Read32(VAddr addr) {
|
||||||
return Read16(addr) | static_cast<u32>(Read16(addr + 2)) << 16;
|
return *Read16(addr) | static_cast<u32>(*Read16(addr + 2)) << 16;
|
||||||
}
|
}
|
||||||
|
|
||||||
u64 TestEnvironment::TestMemory::Read64(VAddr addr) {
|
boost::optional<u64> TestEnvironment::TestMemory::Read64(VAddr addr) {
|
||||||
return Read32(addr) | static_cast<u64>(Read32(addr + 4)) << 32;
|
return *Read32(addr) | static_cast<u64>(*Read32(addr + 4)) << 32;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool TestEnvironment::TestMemory::ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) {
|
bool TestEnvironment::TestMemory::ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) {
|
||||||
|
@ -91,34 +91,38 @@ bool TestEnvironment::TestMemory::ReadBlock(VAddr src_addr, void* dest_buffer, s
|
||||||
u8* data = static_cast<u8*>(dest_buffer);
|
u8* data = static_cast<u8*>(dest_buffer);
|
||||||
|
|
||||||
for (size_t i = 0; i < size; i++, addr++, data++) {
|
for (size_t i = 0; i < size; i++, addr++, data++) {
|
||||||
*data = Read8(addr);
|
*data = *Read8(addr);
|
||||||
}
|
}
|
||||||
|
|
||||||
return true;
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
void TestEnvironment::TestMemory::Write8(VAddr addr, u8 data) {
|
bool TestEnvironment::TestMemory::Write8(VAddr addr, u8 data) {
|
||||||
env->write_records.emplace_back(8, addr, data);
|
env->write_records.emplace_back(8, addr, data);
|
||||||
if (env->mutable_memory)
|
if (env->mutable_memory)
|
||||||
env->SetMemory8(addr, data);
|
env->SetMemory8(addr, data);
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
void TestEnvironment::TestMemory::Write16(VAddr addr, u16 data) {
|
bool TestEnvironment::TestMemory::Write16(VAddr addr, u16 data) {
|
||||||
env->write_records.emplace_back(16, addr, data);
|
env->write_records.emplace_back(16, addr, data);
|
||||||
if (env->mutable_memory)
|
if (env->mutable_memory)
|
||||||
env->SetMemory16(addr, data);
|
env->SetMemory16(addr, data);
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
void TestEnvironment::TestMemory::Write32(VAddr addr, u32 data) {
|
bool TestEnvironment::TestMemory::Write32(VAddr addr, u32 data) {
|
||||||
env->write_records.emplace_back(32, addr, data);
|
env->write_records.emplace_back(32, addr, data);
|
||||||
if (env->mutable_memory)
|
if (env->mutable_memory)
|
||||||
env->SetMemory32(addr, data);
|
env->SetMemory32(addr, data);
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
void TestEnvironment::TestMemory::Write64(VAddr addr, u64 data) {
|
bool TestEnvironment::TestMemory::Write64(VAddr addr, u64 data) {
|
||||||
env->write_records.emplace_back(64, addr, data);
|
env->write_records.emplace_back(64, addr, data);
|
||||||
if (env->mutable_memory)
|
if (env->mutable_memory)
|
||||||
env->SetMemory64(addr, data);
|
env->SetMemory64(addr, data);
|
||||||
|
return true;
|
||||||
}
|
}
|
||||||
|
|
||||||
bool TestEnvironment::TestMemory::WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) {
|
bool TestEnvironment::TestMemory::WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) {
|
||||||
|
|
|
@ -7,7 +7,7 @@
|
||||||
#include <vector>
|
#include <vector>
|
||||||
|
|
||||||
#include "common/common_types.h"
|
#include "common/common_types.h"
|
||||||
#include "core/mmio.h"
|
#include "core/memory_hook.h"
|
||||||
|
|
||||||
namespace ArmTests {
|
namespace ArmTests {
|
||||||
|
|
||||||
|
@ -51,25 +51,25 @@ public:
|
||||||
|
|
||||||
private:
|
private:
|
||||||
friend struct TestMemory;
|
friend struct TestMemory;
|
||||||
struct TestMemory final : Memory::MMIORegion {
|
struct TestMemory final : Memory::MemoryHook {
|
||||||
explicit TestMemory(TestEnvironment* env_) : env(env_) {}
|
explicit TestMemory(TestEnvironment* env_) : env(env_) {}
|
||||||
TestEnvironment* env;
|
TestEnvironment* env;
|
||||||
|
|
||||||
~TestMemory() override;
|
~TestMemory() override;
|
||||||
|
|
||||||
bool IsValidAddress(VAddr addr) override;
|
boost::optional<bool> IsValidAddress(VAddr addr) override;
|
||||||
|
|
||||||
u8 Read8(VAddr addr) override;
|
boost::optional<u8> Read8(VAddr addr) override;
|
||||||
u16 Read16(VAddr addr) override;
|
boost::optional<u16> Read16(VAddr addr) override;
|
||||||
u32 Read32(VAddr addr) override;
|
boost::optional<u32> Read32(VAddr addr) override;
|
||||||
u64 Read64(VAddr addr) override;
|
boost::optional<u64> Read64(VAddr addr) override;
|
||||||
|
|
||||||
bool ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) override;
|
bool ReadBlock(VAddr src_addr, void* dest_buffer, size_t size) override;
|
||||||
|
|
||||||
void Write8(VAddr addr, u8 data) override;
|
bool Write8(VAddr addr, u8 data) override;
|
||||||
void Write16(VAddr addr, u16 data) override;
|
bool Write16(VAddr addr, u16 data) override;
|
||||||
void Write32(VAddr addr, u32 data) override;
|
bool Write32(VAddr addr, u32 data) override;
|
||||||
void Write64(VAddr addr, u64 data) override;
|
bool Write64(VAddr addr, u64 data) override;
|
||||||
|
|
||||||
bool WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) override;
|
bool WriteBlock(VAddr dest_addr, const void* src_buffer, size_t size) override;
|
||||||
|
|
||||||
|
|
|
@ -266,7 +266,7 @@ void RendererOpenGL::LoadFBToScreenInfo(const FramebufferInfo& framebuffer_info,
|
||||||
screen_info.display_texture = screen_info.texture.resource.handle;
|
screen_info.display_texture = screen_info.texture.resource.handle;
|
||||||
screen_info.display_texcoords = MathUtil::Rectangle<float>(0.f, 0.f, 1.f, 1.f);
|
screen_info.display_texcoords = MathUtil::Rectangle<float>(0.f, 0.f, 1.f, 1.f);
|
||||||
|
|
||||||
Memory::RasterizerFlushRegion(framebuffer_info.address, size_in_bytes);
|
// Memory::RasterizerFlushRegion(framebuffer_info.address, size_in_bytes);
|
||||||
|
|
||||||
state.texture_units[0].texture_2d = screen_info.texture.resource.handle;
|
state.texture_units[0].texture_2d = screen_info.texture.resource.handle;
|
||||||
state.Apply();
|
state.Apply();
|
||||||
|
|
Loading…
Reference in a new issue