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-rw-r--r--src/core/memory.cpp558
1 files changed, 229 insertions, 329 deletions
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index 74a598852..d6469dd3d 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -2,8 +2,11 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#include <algorithm>
#include <array>
+#include <cinttypes>
#include <cstring>
+#include <boost/optional.hpp>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/logging/log.h"
@@ -12,7 +15,6 @@
#include "core/core.h"
#include "core/hle/kernel/memory.h"
#include "core/hle/kernel/process.h"
-#include "core/hle/lock.h"
#include "core/memory.h"
#include "core/memory_setup.h"
#include "video_core/renderer_base.h"
@@ -21,7 +23,6 @@
namespace Memory {
static std::array<u8, Memory::VRAM_SIZE> vram;
-static std::array<u8, Memory::N3DS_EXTRA_RAM_SIZE> n3ds_extra_ram;
static PageTable* current_page_table = nullptr;
@@ -37,7 +38,7 @@ PageTable* GetCurrentPageTable() {
}
static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, PageType type) {
- LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE,
+ LOG_DEBUG(HW_Memory, "Mapping %p onto %016" PRIX64 "-%016" PRIX64, memory, base * PAGE_SIZE,
(base + size) * PAGE_SIZE);
RasterizerFlushVirtualRegion(base << PAGE_BITS, size * PAGE_SIZE,
@@ -45,11 +46,10 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
VAddr end = base + size;
while (base != end) {
- ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %08X", base);
+ ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %016" PRIX64, base);
page_table.attributes[base] = type;
page_table.pointers[base] = memory;
- page_table.cached_res_count[base] = 0;
base += 1;
if (memory != nullptr)
@@ -58,187 +58,153 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
}
void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target) {
- ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
- ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
+ ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
+ ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
}
-void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MMIORegionPointer mmio_handler) {
- ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
- ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
+void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer mmio_handler) {
+ ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
+ ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Special);
- page_table.special_regions.emplace_back(SpecialRegion{base, size, mmio_handler});
+ auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
+ SpecialRegion region{SpecialRegion::Type::IODevice, mmio_handler};
+ page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
}
void UnmapRegion(PageTable& page_table, VAddr base, u64 size) {
- ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %08X", size);
- ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %08X", base);
+ ASSERT_MSG((size & PAGE_MASK) == 0, "non-page aligned size: %016" PRIX64, size);
+ ASSERT_MSG((base & PAGE_MASK) == 0, "non-page aligned base: %016" PRIX64, base);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
-}
-
-/**
- * Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
- * using a VMA from the current process
- */
-static u8* GetPointerFromVMA(const Kernel::Process& process, VAddr vaddr) {
- u8* direct_pointer = nullptr;
-
- auto& vm_manager = process.vm_manager;
- auto it = vm_manager.FindVMA(vaddr);
- ASSERT(it != vm_manager.vma_map.end());
-
- auto& vma = it->second;
- switch (vma.type) {
- case Kernel::VMAType::AllocatedMemoryBlock:
- direct_pointer = vma.backing_block->data() + vma.offset;
- break;
- case Kernel::VMAType::BackingMemory:
- direct_pointer = vma.backing_memory;
- break;
- case Kernel::VMAType::Free:
- return nullptr;
- default:
- UNREACHABLE();
- }
+ auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
+ page_table.special_regions.erase(interval);
+}
- return direct_pointer + (vaddr - vma.base);
+void AddDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) {
+ auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
+ SpecialRegion region{SpecialRegion::Type::DebugHook, hook};
+ page_table.special_regions.add(std::make_pair(interval, std::set<SpecialRegion>{region}));
}
-/**
- * Gets a pointer to the exact memory at the virtual address (i.e. not page aligned)
- * using a VMA from the current process.
- */
-static u8* GetPointerFromVMA(VAddr vaddr) {
- return GetPointerFromVMA(*Kernel::g_current_process, vaddr);
+void RemoveDebugHook(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer hook) {
+ auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
+ SpecialRegion region{SpecialRegion::Type::DebugHook, hook};
+ page_table.special_regions.subtract(std::make_pair(interval, std::set<SpecialRegion>{region}));
}
/**
* This function should only be called for virtual addreses with attribute `PageType::Special`.
*/
-static MMIORegionPointer GetMMIOHandler(const PageTable& page_table, VAddr vaddr) {
- for (const auto& region : page_table.special_regions) {
- if (vaddr >= region.base && vaddr < (region.base + region.size)) {
- return region.handler;
+static std::set<MemoryHookPointer> GetSpecialHandlers(const PageTable& page_table, VAddr vaddr,
+ u64 size) {
+ std::set<MemoryHookPointer> result;
+ auto interval = boost::icl::discrete_interval<VAddr>::closed(vaddr, vaddr + size - 1);
+ auto interval_list = page_table.special_regions.equal_range(interval);
+ for (auto it = interval_list.first; it != interval_list.second; ++it) {
+ for (const auto& region : it->second) {
+ result.insert(region.handler);
}
}
- ASSERT_MSG(false, "Mapped IO page without a handler @ %08X", vaddr);
- return nullptr; // Should never happen
+ return result;
}
-static MMIORegionPointer GetMMIOHandler(VAddr vaddr) {
- const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
- return GetMMIOHandler(page_table, vaddr);
+static std::set<MemoryHookPointer> GetSpecialHandlers(VAddr vaddr, u64 size) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ return GetSpecialHandlers(page_table, vaddr, size);
}
template <typename T>
-T ReadMMIO(MMIORegionPointer mmio_handler, VAddr addr);
+boost::optional<T> ReadSpecial(VAddr addr);
template <typename T>
T Read(const VAddr vaddr) {
- const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
- if (page_pointer) {
- // NOTE: Avoid adding any extra logic to this fast-path block
- T value;
- std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
- return value;
+ if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES) {
+ LOG_ERROR(HW_Memory, "Read%lu after page table @ 0x%016" PRIX64, sizeof(T) * 8, vaddr);
+ return 0;
}
- // The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
- std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
-
- PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
+ const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
- LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%llx", sizeof(T) * 8, vaddr);
+ LOG_ERROR(HW_Memory, "unmapped Read%zu @ 0x%016" PRIX64, sizeof(T) * 8, vaddr);
return 0;
- case PageType::Memory:
- ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
- break;
- case PageType::RasterizerCachedMemory: {
- RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::Flush);
+ case PageType::Special: {
+ if (auto result = ReadSpecial<T>(vaddr))
+ return *result;
+ [[fallthrough]];
+ }
+ case PageType::Memory: {
+ const u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
+ ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %016" PRIX64, vaddr);
T value;
- std::memcpy(&value, GetPointerFromVMA(vaddr), sizeof(T));
+ std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
return value;
}
- case PageType::Special:
- return ReadMMIO<T>(GetMMIOHandler(vaddr), vaddr);
- case PageType::RasterizerCachedSpecial: {
- RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::Flush);
- return ReadMMIO<T>(GetMMIOHandler(vaddr), vaddr);
- }
- default:
- UNREACHABLE();
}
+ UNREACHABLE();
+ return 0;
}
template <typename T>
-void WriteMMIO(MMIORegionPointer mmio_handler, VAddr addr, const T data);
+bool WriteSpecial(VAddr addr, const T data);
template <typename T>
void Write(const VAddr vaddr, const T data) {
- u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
- if (page_pointer) {
- // NOTE: Avoid adding any extra logic to this fast-path block
- std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
+ if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES) {
+ LOG_ERROR(HW_Memory, "Write%lu after page table 0x%08X @ 0x%016" PRIX64, sizeof(data) * 8,
+ (u32)data, vaddr);
return;
}
- // The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
- std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
-
- PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
+ const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
- LOG_ERROR(HW_Memory, "unmapped Write%lu 0x%08X @ 0x%08X", sizeof(data) * 8, (u32)data,
- vaddr);
+ LOG_ERROR(HW_Memory, "unmapped Write%zu 0x%08X @ 0x%016" PRIX64, sizeof(data) * 8,
+ static_cast<u32>(data), vaddr);
return;
- case PageType::Memory:
- ASSERT_MSG(false, "Mapped memory page without a pointer @ %08X", vaddr);
- break;
- case PageType::RasterizerCachedMemory: {
- RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::FlushAndInvalidate);
- std::memcpy(GetPointerFromVMA(vaddr), &data, sizeof(T));
- break;
+ case PageType::Special: {
+ if (WriteSpecial<T>(vaddr, data))
+ return;
+ [[fallthrough]];
}
- case PageType::Special:
- WriteMMIO<T>(GetMMIOHandler(vaddr), vaddr, data);
- break;
- case PageType::RasterizerCachedSpecial: {
- RasterizerFlushVirtualRegion(vaddr, sizeof(T), FlushMode::FlushAndInvalidate);
- WriteMMIO<T>(GetMMIOHandler(vaddr), vaddr, data);
- break;
+ case PageType::Memory: {
+ u8* page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
+ ASSERT_MSG(page_pointer, "Mapped memory page without a pointer @ %016" PRIX64, vaddr);
+ std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
+ return;
}
- default:
- UNREACHABLE();
}
+ UNREACHABLE();
}
bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
auto& page_table = process.vm_manager.page_table;
- const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
- if (page_pointer)
- return true;
-
- if (page_table.attributes[vaddr >> PAGE_BITS] == PageType::RasterizerCachedMemory)
- return true;
-
- if (page_table.attributes[vaddr >> PAGE_BITS] != PageType::Special)
+ if ((vaddr >> PAGE_BITS) >= PAGE_TABLE_NUM_ENTRIES)
return false;
- MMIORegionPointer mmio_region = GetMMIOHandler(page_table, vaddr);
- if (mmio_region) {
- return mmio_region->IsValidAddress(vaddr);
+ const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
+ switch (type) {
+ case PageType::Unmapped:
+ return false;
+ case PageType::Memory:
+ return true;
+ case PageType::Special: {
+ 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;
}
bool IsValidVirtualAddress(const VAddr vaddr) {
- return IsValidVirtualAddress(*Kernel::g_current_process, vaddr);
+ return IsValidVirtualAddress(*Core::CurrentProcess(), vaddr);
}
bool IsValidPhysicalAddress(const PAddr paddr) {
@@ -251,11 +217,7 @@ u8* GetPointer(const VAddr vaddr) {
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%016" PRIx64, vaddr);
return nullptr;
}
@@ -284,7 +246,6 @@ u8* GetPhysicalPointer(PAddr address) {
{IO_AREA_PADDR, IO_AREA_SIZE},
{DSP_RAM_PADDR, DSP_RAM_SIZE},
{FCRAM_PADDR, FCRAM_N3DS_SIZE},
- {N3DS_EXTRA_RAM_PADDR, N3DS_EXTRA_RAM_SIZE},
};
const auto area =
@@ -293,12 +254,13 @@ u8* GetPhysicalPointer(PAddr address) {
});
if (area == std::end(memory_areas)) {
- LOG_ERROR(HW_Memory, "unknown GetPhysicalPointer @ 0x%08X", address);
+ LOG_ERROR(HW_Memory, "unknown GetPhysicalPointer @ 0x%016" PRIX64, address);
return nullptr;
}
if (area->paddr_base == IO_AREA_PADDR) {
- LOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr=0x%08X", address);
+ LOG_ERROR(HW_Memory, "MMIO mappings are not supported yet. phys_addr=0x%016" PRIX64,
+ address);
return nullptr;
}
@@ -322,9 +284,6 @@ u8* GetPhysicalPointer(PAddr address) {
}
ASSERT_MSG(target_pointer != nullptr, "Invalid FCRAM address");
break;
- case N3DS_EXTRA_RAM_PADDR:
- target_pointer = n3ds_extra_ram.data() + offset_into_region;
- break;
default:
UNREACHABLE();
}
@@ -332,95 +291,41 @@ u8* GetPhysicalPointer(PAddr address) {
return target_pointer;
}
-void RasterizerMarkRegionCached(PAddr start, u64 size, int count_delta) {
- if (start == 0) {
+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
+ if (VideoCore::g_renderer == nullptr) {
return;
}
- u64 num_pages = ((start + size - 1) >> PAGE_BITS) - (start >> PAGE_BITS) + 1;
- PAddr paddr = start;
+ VAddr end = start + size;
- 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();
- }
+ auto CheckRegion = [&](VAddr region_start, VAddr region_end) {
+ if (start >= region_end || end <= region_start) {
+ // No overlap with region
+ return;
}
- res_count += count_delta;
+ VAddr overlap_start = std::max(start, region_start);
+ VAddr overlap_end = std::min(end, region_end);
+ u64 overlap_size = overlap_end - overlap_start;
- // 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();
- }
+ auto* rasterizer = VideoCore::g_renderer->Rasterizer();
+ switch (mode) {
+ case FlushMode::Flush:
+ rasterizer->FlushRegion(overlap_start, overlap_size);
+ break;
+ case FlushMode::Invalidate:
+ rasterizer->InvalidateRegion(overlap_start, overlap_size);
+ break;
+ case FlushMode::FlushAndInvalidate:
+ rasterizer->FlushAndInvalidateRegion(overlap_start, overlap_size);
+ break;
}
- }
-}
-
-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
+ CheckRegion(PROCESS_IMAGE_VADDR, PROCESS_IMAGE_VADDR_END);
+ CheckRegion(HEAP_VADDR, HEAP_VADDR_END);
}
u8 Read8(const VAddr addr) {
@@ -439,6 +344,17 @@ u64 Read64(const VAddr 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,
const size_t size) {
auto& page_table = process.vm_manager.page_table;
@@ -452,11 +368,17 @@ 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);
switch (page_table.attributes[page_index]) {
- case PageType::Unmapped: {
- LOG_ERROR(HW_Memory, "unmapped ReadBlock @ 0x%08X (start address = 0xllx, size = %zu)",
+ case PageType::Unmapped:
+ LOG_ERROR(HW_Memory,
+ "unmapped ReadBlock @ 0x%016" PRIX64 " (start address = 0x%" PRIx64
+ ", size = %zu)",
current_vaddr, src_addr, size);
std::memset(dest_buffer, 0, copy_amount);
break;
+ case PageType::Special: {
+ if (ReadSpecialBlock(process, current_vaddr, dest_buffer, copy_amount))
+ break;
+ [[fallthrough]];
}
case PageType::Memory: {
DEBUG_ASSERT(page_table.pointers[page_index]);
@@ -465,26 +387,6 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
std::memcpy(dest_buffer, src_ptr, copy_amount);
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:
UNREACHABLE();
}
@@ -497,7 +399,7 @@ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_
}
void ReadBlock(const VAddr src_addr, void* dest_buffer, const size_t size) {
- ReadBlock(*Kernel::g_current_process, src_addr, dest_buffer, size);
+ ReadBlock(*Core::CurrentProcess(), src_addr, dest_buffer, size);
}
void Write8(const VAddr addr, const u8 data) {
@@ -516,6 +418,17 @@ void Write64(const VAddr addr, const u64 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,
const size_t size) {
auto& page_table = process.vm_manager.page_table;
@@ -528,12 +441,16 @@ 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);
switch (page_table.attributes[page_index]) {
- case PageType::Unmapped: {
+ case PageType::Unmapped:
LOG_ERROR(HW_Memory,
- "unmapped WriteBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
+ "unmapped WriteBlock @ 0x%016" PRIX64 " (start address = 0x%016" PRIX64
+ ", size = %zu)",
current_vaddr, dest_addr, size);
break;
- }
+ case PageType::Special:
+ if (WriteSpecialBlock(process, current_vaddr, src_buffer, copy_amount))
+ break;
+ [[fallthrough]];
case PageType::Memory: {
DEBUG_ASSERT(page_table.pointers[page_index]);
@@ -541,26 +458,6 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
std::memcpy(dest_ptr, src_buffer, copy_amount);
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:
UNREACHABLE();
}
@@ -573,10 +470,12 @@ void WriteBlock(const Kernel::Process& process, const VAddr dest_addr, const voi
}
void WriteBlock(const VAddr dest_addr, const void* src_buffer, const size_t size) {
- WriteBlock(*Kernel::g_current_process, dest_addr, src_buffer, size);
+ WriteBlock(*Core::CurrentProcess(), dest_addr, src_buffer, size);
}
void ZeroBlock(const VAddr dest_addr, const size_t size) {
+ const auto& process = *Core::CurrentProcess();
+
size_t remaining_size = size;
size_t page_index = dest_addr >> PAGE_BITS;
size_t page_offset = dest_addr & PAGE_MASK;
@@ -588,11 +487,16 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
switch (current_page_table->attributes[page_index]) {
- case PageType::Unmapped: {
- LOG_ERROR(HW_Memory, "unmapped ZeroBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
+ case PageType::Unmapped:
+ LOG_ERROR(HW_Memory,
+ "unmapped ZeroBlock @ 0x%016" PRIX64 " (start address = 0x%016" PRIX64
+ ", size = %zu)",
current_vaddr, dest_addr, size);
break;
- }
+ case PageType::Special:
+ if (WriteSpecialBlock(process, current_vaddr, zeros.data(), copy_amount))
+ break;
+ [[fallthrough]];
case PageType::Memory: {
DEBUG_ASSERT(current_page_table->pointers[page_index]);
@@ -600,25 +504,6 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
std::memset(dest_ptr, 0, copy_amount);
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:
UNREACHABLE();
}
@@ -630,6 +515,8 @@ void ZeroBlock(const VAddr dest_addr, const size_t size) {
}
void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
+ const auto& process = *Core::CurrentProcess();
+
size_t remaining_size = size;
size_t page_index = src_addr >> PAGE_BITS;
size_t page_offset = src_addr & PAGE_MASK;
@@ -639,11 +526,20 @@ 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);
switch (current_page_table->attributes[page_index]) {
- case PageType::Unmapped: {
- LOG_ERROR(HW_Memory, "unmapped CopyBlock @ 0x%08X (start address = 0x%08X, size = %zu)",
+ case PageType::Unmapped:
+ LOG_ERROR(HW_Memory,
+ "unmapped CopyBlock @ 0x%016" PRIX64 " (start address = 0x%016" PRIX64
+ ", size = %zu)",
current_vaddr, src_addr, size);
ZeroBlock(dest_addr, copy_amount);
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: {
DEBUG_ASSERT(current_page_table->pointers[page_index]);
@@ -651,30 +547,6 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
WriteBlock(dest_addr, src_ptr, copy_amount);
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:
UNREACHABLE();
}
@@ -688,43 +560,75 @@ void CopyBlock(VAddr dest_addr, VAddr src_addr, const size_t size) {
}
template <>
-u8 ReadMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr) {
- return mmio_handler->Read8(addr);
+boost::optional<u8> ReadSpecial<u8>(VAddr addr) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u8)))
+ if (auto result = handler->Read8(addr))
+ return *result;
+ return {};
}
template <>
-u16 ReadMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr) {
- return mmio_handler->Read16(addr);
+boost::optional<u16> ReadSpecial<u16>(VAddr addr) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u16)))
+ if (auto result = handler->Read16(addr))
+ return *result;
+ return {};
}
template <>
-u32 ReadMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr) {
- return mmio_handler->Read32(addr);
+boost::optional<u32> ReadSpecial<u32>(VAddr addr) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u32)))
+ if (auto result = handler->Read32(addr))
+ return *result;
+ return {};
}
template <>
-u64 ReadMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr) {
- return mmio_handler->Read64(addr);
+boost::optional<u64> ReadSpecial<u64>(VAddr addr) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u64)))
+ if (auto result = handler->Read64(addr))
+ return *result;
+ return {};
}
template <>
-void WriteMMIO<u8>(MMIORegionPointer mmio_handler, VAddr addr, const u8 data) {
- mmio_handler->Write8(addr, data);
+bool WriteSpecial<u8>(VAddr addr, const u8 data) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u8)))
+ if (handler->Write8(addr, data))
+ return true;
+ return false;
}
template <>
-void WriteMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr, const u16 data) {
- mmio_handler->Write16(addr, data);
+bool WriteSpecial<u16>(VAddr addr, const u16 data) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u16)))
+ if (handler->Write16(addr, data))
+ return true;
+ return false;
}
template <>
-void WriteMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr, const u32 data) {
- mmio_handler->Write32(addr, data);
+bool WriteSpecial<u32>(VAddr addr, const u32 data) {
+ const PageTable& page_table = Core::CurrentProcess()->vm_manager.page_table;
+ for (const auto& handler : GetSpecialHandlers(page_table, addr, sizeof(u32)))
+ if (handler->Write32(addr, data))
+ return true;
+ return false;
}
template <>
-void WriteMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr, const u64 data) {
- mmio_handler->Write64(addr, data);
+bool WriteSpecial<u64>(VAddr addr, const u64 data) {
+ const PageTable& page_table = Core::CurrentProcess()->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) {
@@ -740,8 +644,6 @@ boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) {
return addr - DSP_RAM_VADDR + DSP_RAM_PADDR;
} else if (addr >= IO_AREA_VADDR && addr < IO_AREA_VADDR_END) {
return addr - IO_AREA_VADDR + IO_AREA_PADDR;
- } else if (addr >= N3DS_EXTRA_RAM_VADDR && addr < N3DS_EXTRA_RAM_VADDR_END) {
- return addr - N3DS_EXTRA_RAM_VADDR + N3DS_EXTRA_RAM_PADDR;
}
return boost::none;
@@ -750,7 +652,7 @@ boost::optional<PAddr> TryVirtualToPhysicalAddress(const VAddr addr) {
PAddr VirtualToPhysicalAddress(const VAddr addr) {
auto paddr = TryVirtualToPhysicalAddress(addr);
if (!paddr) {
- LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08X", addr);
+ LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%016" PRIX64, addr);
// To help with debugging, set bit on address so that it's obviously invalid.
return addr | 0x80000000;
}
@@ -763,13 +665,11 @@ boost::optional<VAddr> PhysicalToVirtualAddress(const PAddr addr) {
} else if (addr >= VRAM_PADDR && addr < VRAM_PADDR_END) {
return addr - VRAM_PADDR + VRAM_VADDR;
} else if (addr >= FCRAM_PADDR && addr < FCRAM_PADDR_END) {
- return addr - FCRAM_PADDR + Kernel::g_current_process->GetLinearHeapAreaAddress();
+ return addr - FCRAM_PADDR + Core::CurrentProcess()->GetLinearHeapAreaAddress();
} else if (addr >= DSP_RAM_PADDR && addr < DSP_RAM_PADDR_END) {
return addr - DSP_RAM_PADDR + DSP_RAM_VADDR;
} else if (addr >= IO_AREA_PADDR && addr < IO_AREA_PADDR_END) {
return addr - IO_AREA_PADDR + IO_AREA_VADDR;
- } else if (addr >= N3DS_EXTRA_RAM_PADDR && addr < N3DS_EXTRA_RAM_PADDR_END) {
- return addr - N3DS_EXTRA_RAM_PADDR + N3DS_EXTRA_RAM_VADDR;
}
return boost::none;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-11 10:20:21 +0000