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memory: Replace all memory hooking with Special regions

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This commit is contained in:
MerryMage 2018-01-27 15:16:39 +00:00
parent cf45105383
commit 7a23a53396
11 changed files with 276 additions and 444 deletions
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486
src/core/memory.cpp
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@ -2,8 +2,10 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <array>
#include <cstring>
#include <boost/optional.hpp>
#include "common/assert.h"
#include "common/common_types.h"
#include "common/logging/log.h"
@ -12,7 +14,6 @@
#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"
@ -40,16 +41,12 @@ static void MapPages(PageTable& page_table, VAddr base, u64 size, u8* memory, Pa
LOG_DEBUG(HW_Memory, "Mapping %p onto %08X-%08X", memory, base * PAGE_SIZE,
(base + size) * PAGE_SIZE);
RasterizerFlushVirtualRegion(base << PAGE_BITS, size * PAGE_SIZE,
FlushMode::FlushAndInvalidate);
VAddr end = base + size;
while (base != end) {
ASSERT_MSG(base < PAGE_TABLE_NUM_ENTRIES, "out of range mapping at %08X", base);
page_table.attributes[base] = type;
page_table.pointers[base] = memory;
page_table.cached_res_count[base] = 0;
base += 1;
if (memory != nullptr)
@ -63,157 +60,110 @@ void MapMemoryRegion(PageTable& page_table, VAddr base, u64 size, u8* target) {
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, target, PageType::Memory);
}
void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MMIORegionPointer mmio_handler) {
void MapIoRegion(PageTable& page_table, VAddr base, u64 size, MemoryHookPointer 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);
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);
MapPages(page_table, base / PAGE_SIZE, size / PAGE_SIZE, nullptr, PageType::Unmapped);
auto interval = boost::icl::discrete_interval<VAddr>::closed(base, base + size - 1);
page_table.special_regions.erase(interval);
}
/**
* 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();
}
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) {
static std::set<MemoryHookPointer> GetSpecialHandlers(VAddr vaddr, u64 size) {
const PageTable& page_table = Kernel::g_current_process->vm_manager.page_table;
return GetMMIOHandler(page_table, vaddr);
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
const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%016llX", sizeof(T) * 8, vaddr);
return 0;
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 @ %08X", vaddr);
T value;
std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
return value;
}
// 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];
switch (type) {
case PageType::Unmapped:
LOG_ERROR(HW_Memory, "unmapped Read%lu @ 0x%llx", 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);
T value;
std::memcpy(&value, GetPointerFromVMA(vaddr), 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));
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);
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 @ %08X", vaddr);
std::memcpy(&page_pointer[vaddr & PAGE_MASK], &data, sizeof(T));
return;
}
default:
UNREACHABLE();
}
UNREACHABLE();
}
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)
return false;
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)
const PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) {
case PageType::Unmapped:
return false;
MMIORegionPointer mmio_region = GetMMIOHandler(page_table, vaddr);
if (mmio_region) {
return mmio_region->IsValidAddress(vaddr);
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;
}
@ -254,10 +203,6 @@ 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);
return nullptr;
}
@ -335,97 +280,6 @@ u8* GetPhysicalPointer(PAddr address) {
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) {
return Read<u8>(addr);
}
@ -442,6 +296,17 @@ 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;
@ -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);
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)",
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]);
@ -468,26 +337,6 @@ 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();
}
@ -519,6 +368,17 @@ 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;
@ -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);
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)",
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]);
@ -544,26 +407,6 @@ 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();
}
@ -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) {
const auto& process = *Kernel::g_current_process;
size_t remaining_size = size;
size_t page_index = dest_addr >> PAGE_BITS;
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);
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)",
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]);
@ -603,25 +451,6 @@ 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();
}
@ -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) {
const auto& process = *Kernel::g_current_process;
size_t remaining_size = size;
size_t page_index = src_addr >> PAGE_BITS;
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);
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)",
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]);
@ -654,30 +492,6 @@ 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();
}
@ -691,43 +505,75 @@ 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 = 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 <>
u16 ReadMMIO<u16>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read16(addr);
boost::optional<u16> ReadSpecial<u16>(VAddr 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 <>
u32 ReadMMIO<u32>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read32(addr);
boost::optional<u32> ReadSpecial<u32>(VAddr 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 <>
u64 ReadMMIO<u64>(MMIORegionPointer mmio_handler, VAddr addr) {
return mmio_handler->Read64(addr);
boost::optional<u64> ReadSpecial<u64>(VAddr 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 <>
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 = 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 <>
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 = 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 <>
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 = 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 <>
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 = 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) {