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VM_Manager: Align allocated memory to 256bytes

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This commit ensures that all backing memory allocated for the Guest CPU
is aligned to 256 bytes. This due to how gpu memory works and the heavy
constraints it has in the alignment of physical memory.
This commit is contained in:
Fernando Sahmkow
2019-07-18 18:15:53 -04:00
committed by FernandoS27
parent 5d369112d9
commit 9bede4eeed
15 changed files with 131 additions and 36 deletions
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12
src/core/hle/service/ns/pl_u.cpp
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@@ -77,7 +77,7 @@ enum class LoadState : u32 {
Done = 1,
};
static void DecryptSharedFont(const std::vector<u32>& input, std::vector<u8>& output,
static void DecryptSharedFont(const std::vector<u32>& input, Kernel::PhysicalMemory& output,
std::size_t& offset) {
ASSERT_MSG(offset + (input.size() * sizeof(u32)) < SHARED_FONT_MEM_SIZE,
"Shared fonts exceeds 17mb!");
@@ -94,7 +94,7 @@ static void DecryptSharedFont(const std::vector<u32>& input, std::vector<u8>& ou
offset += transformed_font.size() * sizeof(u32);
}
static void EncryptSharedFont(const std::vector<u8>& input, std::vector<u8>& output,
static void EncryptSharedFont(const std::vector<u8>& input, Kernel::PhysicalMemory& output,
std::size_t& offset) {
ASSERT_MSG(offset + input.size() + 8 < SHARED_FONT_MEM_SIZE, "Shared fonts exceeds 17mb!");
const u32 KEY = EXPECTED_MAGIC ^ EXPECTED_RESULT;
@@ -121,7 +121,7 @@ struct PL_U::Impl {
return shared_font_regions.at(index);
}
void BuildSharedFontsRawRegions(const std::vector<u8>& input) {
void BuildSharedFontsRawRegions(const Kernel::PhysicalMemory& input) {
// As we can derive the xor key we can just populate the offsets
// based on the shared memory dump
unsigned cur_offset = 0;
@@ -144,7 +144,7 @@ struct PL_U::Impl {
Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
/// Backing memory for the shared font data
std::shared_ptr<std::vector<u8>> shared_font;
std::shared_ptr<Kernel::PhysicalMemory> shared_font;
// Automatically populated based on shared_fonts dump or system archives.
std::vector<FontRegion> shared_font_regions;
@@ -166,7 +166,7 @@ PL_U::PL_U() : ServiceFramework("pl:u"), impl{std::make_unique<Impl>()} {
// Rebuild shared fonts from data ncas
if (nand->HasEntry(static_cast<u64>(FontArchives::Standard),
FileSys::ContentRecordType::Data)) {
impl->shared_font = std::make_shared<std::vector<u8>>(SHARED_FONT_MEM_SIZE);
impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(SHARED_FONT_MEM_SIZE);
for (auto font : SHARED_FONTS) {
const auto nca =
nand->GetEntry(static_cast<u64>(font.first), FileSys::ContentRecordType::Data);
@@ -207,7 +207,7 @@ PL_U::PL_U() : ServiceFramework("pl:u"), impl{std::make_unique<Impl>()} {
}
} else {
impl->shared_font = std::make_shared<std::vector<u8>>(
impl->shared_font = std::make_shared<Kernel::PhysicalMemory>(
SHARED_FONT_MEM_SIZE); // Shared memory needs to always be allocated and a fixed size
const std::string user_path = FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir);