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memory: Address lioncash's review

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yzct12345 2021-08-05 20:29:43 +00:00 committed by GitHub
parent 6df9611059
commit 4edfa6ad8f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 7 deletions
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13
src/core/memory.cpp
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@ -1,4 +1,4 @@
// Copyright 2021 Citra Emulator Project
// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
@ -235,7 +235,7 @@ struct Memory::Impl {
[&system = system, &dest_buffer](const VAddr current_vaddr,
const std::size_t copy_amount,
const u8* const host_ptr) {
if (!UNSAFE) {
if constexpr (!UNSAFE) {
system.GPU().FlushRegion(current_vaddr, copy_amount);
}
std::memcpy(dest_buffer, host_ptr, copy_amount);
@ -268,7 +268,7 @@ struct Memory::Impl {
},
[&system = system, &src_buffer](const VAddr current_vaddr,
const std::size_t copy_amount, u8* const host_ptr) {
if (!UNSAFE) {
if constexpr (!UNSAFE) {
system.GPU().InvalidateRegion(current_vaddr, copy_amount);
}
std::memcpy(host_ptr, src_buffer, copy_amount);
@ -390,9 +390,10 @@ struct Memory::Impl {
} else {
// Switch page type to uncached if now uncached
switch (page_type) {
case Common::PageType::Unmapped:
case Common::PageType::Unmapped: // NOLINT(bugprone-branch-clone)
// 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 Common::PageType::Memory:
// There can be more than one GPU region mapped per CPU region, so it's common
// that this area is already unmarked as cached.
@ -666,8 +667,8 @@ void Memory::UnmapRegion(Common::PageTable& page_table, VAddr base, u64 size) {
bool Memory::IsValidVirtualAddress(const VAddr vaddr) const {
const Kernel::KProcess& process = *system.CurrentProcess();
const auto& pageTable = process.PageTable().PageTableImpl();
const auto [pointer, type] = pageTable.pointers[vaddr >> PAGE_BITS].PointerType();
const auto& page_table = process.PageTable().PageTableImpl();
const auto [pointer, type] = page_table.pointers[vaddr >> PAGE_BITS].PointerType();
return pointer != nullptr || type == Common::PageType::RasterizerCachedMemory;
}

2
src/core/memory.h
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@ -1,4 +1,4 @@
// Copyright 2021 Citra Emulator Project
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.