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yuzu
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early-access version 2527

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pineappleEA 2022-03-03 05:05:33 +01:00
parent 68d478c863
commit 6aa91a516c
5 changed files with 69 additions and 52 deletions
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2
README.md
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@ -1,7 +1,7 @@
yuzu emulator early access
=============
This is the source code for early-access 2526.
This is the source code for early-access 2527.
## Legal Notice

4
src/common/host_memory.cpp
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@ -327,8 +327,8 @@ private:
bool IsNiechePlaceholder(size_t virtual_offset, size_t length) const {
const auto it = placeholders.upper_bound({virtual_offset, virtual_offset + length});
if (it != placeholders.end() && it->lower() == virtual_offset + length) {
const bool is_root = it == placeholders.begin() && virtual_offset == 0;
return is_root || std::prev(it)->upper() == virtual_offset;
return it == placeholders.begin() ? virtual_offset == 0
: std::prev(it)->upper() == virtual_offset;
}
return false;
}

18
src/common/logging/backend.cpp
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@ -218,19 +218,17 @@ private:
Impl(const std::filesystem::path& file_backend_filename, const Filter& filter_)
: filter{filter_}, file_backend{file_backend_filename} {}
~Impl() {
StopBackendThread();
}
~Impl() = default;
void StartBackendThread() {
backend_thread = std::thread([this] {
backend_thread = std::jthread([this](std::stop_token stop_token) {
Common::SetCurrentThreadName("yuzu:Log");
Entry entry;
const auto write_logs = [this, &entry]() {
ForEachBackend([&entry](Backend& backend) { backend.Write(entry); });
};
while (!stop.stop_requested()) {
entry = message_queue.PopWait(stop.get_token());
while (!stop_token.stop_requested()) {
entry = message_queue.PopWait(stop_token);
if (entry.filename != nullptr) {
write_logs();
}
@ -244,11 +242,6 @@ private:
});
}
void StopBackendThread() {
stop.request_stop();
backend_thread.join();
}
Entry CreateEntry(Class log_class, Level log_level, const char* filename, unsigned int line_nr,
const char* function, std::string&& message) const {
using std::chrono::duration_cast;
@ -283,8 +276,7 @@ private:
ColorConsoleBackend color_console_backend{};
FileBackend file_backend;
std::stop_source stop;
std::thread backend_thread;
std::jthread backend_thread;
MPSCQueue<Entry, true> message_queue{};
std::chrono::steady_clock::time_point time_origin{std::chrono::steady_clock::now()};
};

93
src/core/hle/kernel/k_page_table.cpp
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@ -285,40 +285,65 @@ ResultCode KPageTable::MapProcessCode(VAddr addr, std::size_t num_pages, KMemory
return ResultSuccess;
}
ResultCode KPageTable::MapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size) {
ResultCode KPageTable::MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size) {
// Validate the mapping request.
R_UNLESS(this->CanContain(dst_address, size, KMemoryState::AliasCode),
ResultInvalidMemoryRegion);
// Lock the table.
KScopedLightLock lk(general_lock);
const std::size_t num_pages{size / PageSize};
// Verify that the source memory is normal heap.
KMemoryState src_state{};
KMemoryPermission src_perm{};
std::size_t num_src_allocator_blocks{};
R_TRY(this->CheckMemoryState(std::addressof(src_state), std::addressof(src_perm), nullptr,
std::addressof(num_src_allocator_blocks), src_address, size,
KMemoryState::All, KMemoryState::Normal, KMemoryPermission::All,
KMemoryPermission::UserReadWrite, KMemoryAttribute::All,
KMemoryAttribute::None));
KMemoryState state{};
KMemoryPermission perm{};
CASCADE_CODE(CheckMemoryState(&state, &perm, nullptr, nullptr, src_addr, size,
KMemoryState::All, KMemoryState::Normal, KMemoryPermission::All,
KMemoryPermission::UserReadWrite, KMemoryAttribute::Mask,
KMemoryAttribute::None, KMemoryAttribute::IpcAndDeviceMapped));
if (IsRegionMapped(dst_addr, size)) {
return ResultInvalidCurrentMemory;
}
KPageLinkedList page_linked_list;
AddRegionToPages(src_addr, num_pages, page_linked_list);
// Verify that the destination memory is unmapped.
std::size_t num_dst_allocator_blocks{};
R_TRY(this->CheckMemoryState(std::addressof(num_dst_allocator_blocks), dst_address, size,
KMemoryState::All, KMemoryState::Free, KMemoryPermission::None,
KMemoryPermission::None, KMemoryAttribute::None,
KMemoryAttribute::None));
// Map the code memory.
{
auto block_guard = detail::ScopeExit(
[&] { Operate(src_addr, num_pages, perm, OperationType::ChangePermissions); });
// Determine the number of pages being operated on.
const std::size_t num_pages = size / PageSize;
CASCADE_CODE(Operate(src_addr, num_pages, KMemoryPermission::None,
OperationType::ChangePermissions));
CASCADE_CODE(MapPages(dst_addr, page_linked_list, KMemoryPermission::None));
// Create page groups for the memory being mapped.
KPageLinkedList pg;
AddRegionToPages(src_address, num_pages, pg);
block_guard.Cancel();
// Reprotect the source as kernel-read/not mapped.
const KMemoryPermission new_perm = static_cast<KMemoryPermission>(
KMemoryPermission::KernelRead | KMemoryPermission::NotMapped);
R_TRY(Operate(src_address, num_pages, new_perm, OperationType::ChangePermissions));
// Ensure that we unprotect the source pages on failure.
auto unprot_guard = SCOPE_GUARD({
ASSERT(this->Operate(src_address, num_pages, src_perm, OperationType::ChangePermissions)
.IsSuccess());
});
// Map the alias pages.
R_TRY(MapPages(dst_address, pg, new_perm));
// We successfully mapped the alias pages, so we don't need to unprotect the src pages on
// failure.
unprot_guard.Cancel();
// Apply the memory block updates.
block_manager->Update(src_address, num_pages, src_state, new_perm,
KMemoryAttribute::Locked);
block_manager->Update(dst_address, num_pages, KMemoryState::AliasCode, new_perm,
KMemoryAttribute::None);
}
block_manager->Update(src_addr, num_pages, state, KMemoryPermission::None,
KMemoryAttribute::Locked);
block_manager->Update(dst_addr, num_pages, KMemoryState::AliasCode);
return ResultSuccess;
}
@ -330,12 +355,6 @@ ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std
// Lock the table.
KScopedLightLock lk(general_lock);
if (!size) {
return ResultSuccess;
}
const std::size_t num_pages{size / PageSize};
// Verify that the source memory is locked normal heap.
std::size_t num_src_allocator_blocks{};
R_TRY(this->CheckMemoryState(std::addressof(num_src_allocator_blocks), src_address, size,
@ -384,9 +403,15 @@ ResultCode KPageTable::UnmapCodeMemory(VAddr dst_address, VAddr src_address, std
// Unmap.
{
// TODO(bunnei): We free the virtual address space, but do not nullptr the pointers in the
// backing page table. This is a workaround because of an issue where CPU emulation may have
// not quite finished running code when NROs are unloaded.
// Determine the number of pages being operated on.
const std::size_t num_pages = size / PageSize;
// Unmap the aliased copy of the pages.
R_TRY(Operate(dst_address, num_pages, KMemoryPermission::None, OperationType::Unmap));
// Try to set the permissions for the source pages back to what they should be.
R_TRY(Operate(src_address, num_pages, KMemoryPermission::UserReadWrite,
OperationType::ChangePermissions));
// Apply the memory block updates.
block_manager->Update(dst_address, num_pages, KMemoryState::None);

4
src/core/hle/kernel/k_page_table.h
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@ -36,8 +36,8 @@ public:
KMemoryManager::Pool pool);
ResultCode MapProcessCode(VAddr addr, std::size_t pages_count, KMemoryState state,
KMemoryPermission perm);
ResultCode MapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode UnmapCodeMemory(VAddr dst_addr, VAddr src_addr, std::size_t size);
ResultCode MapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
ResultCode UnmapCodeMemory(VAddr dst_address, VAddr src_address, std::size_t size);
ResultCode UnmapProcessMemory(VAddr dst_addr, std::size_t size, KPageTable& src_page_table,
VAddr src_addr);
ResultCode MapPhysicalMemory(VAddr addr, std::size_t size);