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Address some review comments

This commit is contained in:
GPUCode 2023-11-19 11:21:53 +02:00 committed by t895
parent 8fab363237
commit 6de2edcca1
12 changed files with 30 additions and 35 deletions

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@ -3,4 +3,4 @@
[codespell]
skip = ./.git,./build,./dist,./Doxyfile,./externals,./LICENSES,./src/android/app/src/main/res
ignore-words-list = aci,allright,ba,canonicalizations,deques,froms,hda,inout,lod,masia,nam,nax,nd,optin,pullrequests,pullrequest,te,transfered,unstall,uscaled,vas,zink,nce
ignore-words-list = aci,allright,ba,canonicalizations,deques,froms,hda,inout,lod,masia,nam,nax,nce,nd,optin,pullrequests,pullrequest,te,transfered,unstall,uscaled,vas,zink

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@ -409,11 +409,14 @@ static void* ChooseVirtualBase(size_t virtual_size) {
return MAP_FAILED;
}
#else
static void* ChooseVirtualBase(size_t virtual_size) {
return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
}
#endif
class HostMemory::Impl {

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@ -181,7 +181,7 @@ struct Values {
// Cpu
SwitchableSetting<CpuBackend, true> cpu_backend{
linkage, CpuBackend::Nce, CpuBackend::Dynarmic,
linkage, CpuBackend::Dynarmic, CpuBackend::Dynarmic,
#ifdef ARCHITECTURE_arm64
CpuBackend::Nce,
#else

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@ -10,8 +10,8 @@
namespace Common {
// Android's ART overrides sigaction with its own wrapper. This is problematic for SIGSEGV
// in particular, because ARTs handler access TPIDR_EL0, so this extracts the libc version
// and calls it directly.
// in particular, because ART's handler accesses tpidr_el0, which conflicts with NCE.
// This extracts the libc symbol and calls it directly.
int SigAction(int signum, const struct sigaction* act, struct sigaction* oldact);
} // namespace Common

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@ -4,7 +4,6 @@
#include <cinttypes>
#include <memory>
#include "common/scope_exit.h"
#include "common/signal_chain.h"
#include "core/arm/nce/arm_nce.h"
#include "core/arm/nce/patch.h"
@ -32,7 +31,7 @@ static_assert(offsetof(NativeExecutionParameters, magic) == TpidrEl0TlsMagic);
fpsimd_context* GetFloatingPointState(mcontext_t& host_ctx) {
_aarch64_ctx* header = reinterpret_cast<_aarch64_ctx*>(&host_ctx.__reserved);
while (header->magic != FPSIMD_MAGIC) {
header = reinterpret_cast<_aarch64_ctx*>((char*)header + header->size);
header = reinterpret_cast<_aarch64_ctx*>(reinterpret_cast<char*>(header) + header->size);
}
return reinterpret_cast<fpsimd_context*>(header);
}
@ -124,7 +123,7 @@ bool ARM_NCE::HandleGuestFault(GuestContext* guest_ctx, void* raw_info, void* ra
// Forcibly mark the context as locked. We are still running.
// We may race with SignalInterrupt here:
// - If we lose the race, then SignalInterrupt will send us a signal which are masking,
// - If we lose the race, then SignalInterrupt will send us a signal we are masking,
// and it will do nothing when it is unmasked, as we have already left guest code.
// - If we win the race, then SignalInterrupt will wait for us to unlock first.
auto& thread_params = guest_ctx->parent->running_thread->GetNativeExecutionParameters();

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@ -100,7 +100,7 @@ void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
const Kernel::CodeSet::Segment& code,
Kernel::PhysicalMemory& program_image,
EntryTrampolines* out_trampolines) {
const size_t patch_size = SectionSize();
const size_t patch_size = GetSectionSize();
const size_t image_size = program_image.size();
// Retrieve text segment data.
@ -180,7 +180,7 @@ void Patcher::RelocateAndCopy(Common::ProcessAddress load_base,
}
}
size_t Patcher::SectionSize() const noexcept {
size_t Patcher::GetSectionSize() const noexcept {
return Common::AlignUp(m_patch_instructions.size() * sizeof(u32), Core::Memory::YUZU_PAGESIZE);
}
@ -256,7 +256,6 @@ void Patcher::WriteSaveContext() {
}
void Patcher::WriteSvcTrampoline(ModuleDestLabel module_dest, u32 svc_id) {
LOG_ERROR(Core_ARM, "Patching SVC {:#x} at {:#x}", svc_id, module_dest - 4);
// We are about to start saving state, so we need to lock the context.
this->LockContext();

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@ -7,23 +7,17 @@
#include <unordered_map>
#include <vector>
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wshorten-64-to-32"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wshorten-64-to-32"
#include <oaknut/code_block.hpp>
#include <oaknut/oaknut.hpp>
#pragma clang diagnostic pop
#pragma GCC diagnostic pop
#include "common/common_types.h"
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/k_typed_address.h"
#include "core/hle/kernel/physical_memory.h"
#include <signal.h>
namespace Core {
struct GuestContext;
}
namespace Core::NCE {
enum class PatchMode : u32 {
@ -45,9 +39,9 @@ public:
const Kernel::CodeSet::Segment& code);
void RelocateAndCopy(Common::ProcessAddress load_base, const Kernel::CodeSet::Segment& code,
Kernel::PhysicalMemory& program_image, EntryTrampolines* out_trampolines);
size_t SectionSize() const noexcept;
size_t GetSectionSize() const noexcept;
[[nodiscard]] PatchMode Mode() const noexcept {
[[nodiscard]] PatchMode GetPatchMode() const noexcept {
return mode;
}

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@ -137,6 +137,7 @@ struct System::Impl {
void Initialize(System& system) {
device_memory = std::make_unique<Core::DeviceMemory>();
is_multicore = Settings::values.use_multi_core.GetValue();
extended_memory_layout =
Settings::values.memory_layout_mode.GetValue() != Settings::MemoryLayout::Memory_4Gb;

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@ -96,9 +96,11 @@ constexpr Common::MemoryPermission ConvertToMemoryPermission(KMemoryPermission p
if (True(perm & KMemoryPermission::UserWrite)) {
perms |= Common::MemoryPermission::Write;
}
#ifdef ARCHITECTURE_arm64
if (True(perm & KMemoryPermission::UserExecute)) {
perms |= Common::MemoryPermission::Execute;
}
#endif
return perms;
}

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@ -472,10 +472,6 @@ public:
return m_post_handlers;
}
KernelCore& GetKernel() noexcept {
return m_kernel;
}
public:
// Attempts to insert a watchpoint into a free slot. Returns false if none are available.
bool InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type);

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@ -204,7 +204,7 @@ static bool LoadNroImpl(Core::System& system, Kernel::KProcess& process,
#ifdef ARCHITECTURE_arm64
const auto& code = codeset.CodeSegment();
// NROs are always 64-bit programs.
// NROs always have a 39-bit address space.
Settings::SetNceEnabled(true);
// Create NCE patcher
@ -215,12 +215,12 @@ static bool LoadNroImpl(Core::System& system, Kernel::KProcess& process,
patch.PatchText(program_image, code);
// We only support PostData patching for NROs.
ASSERT(patch.Mode() == Core::NCE::PatchMode::PostData);
ASSERT(patch.GetPatchMode() == Core::NCE::PatchMode::PostData);
// Update patch section.
auto& patch_segment = codeset.PatchSegment();
patch_segment.addr = image_size;
patch_segment.size = static_cast<u32>(patch.SectionSize());
patch_segment.size = static_cast<u32>(patch.GetSectionSize());
// Add patch section size to the module size.
image_size += patch_segment.size;

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@ -94,8 +94,8 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
// Allocate some space at the beginning if we are patching in PreText mode.
const size_t module_start = [&]() -> size_t {
#ifdef ARCHITECTURE_arm64
if (patch && patch->Mode() == Core::NCE::PatchMode::PreText) {
return patch->SectionSize();
if (patch && patch->GetPatchMode() == Core::NCE::PatchMode::PreText) {
return patch->GetSectionSize();
}
#endif
return 0;
@ -158,24 +158,25 @@ std::optional<VAddr> AppLoader_NSO::LoadModule(Kernel::KProcess& process, Core::
#ifdef ARCHITECTURE_arm64
// If we are computing the process code layout and using nce backend, patch.
const auto& code = codeset.CodeSegment();
if (patch && patch->Mode() == Core::NCE::PatchMode::None) {
if (patch && patch->GetPatchMode() == Core::NCE::PatchMode::None) {
// Patch SVCs and MRS calls in the guest code
patch->PatchText(program_image, code);
// Add patch section size to the module size.
image_size += patch->SectionSize();
image_size += patch->GetSectionSize();
} else if (patch) {
// Relocate code patch and copy to the program_image.
patch->RelocateAndCopy(load_base, code, program_image, &process.GetPostHandlers());
// Update patch section.
auto& patch_segment = codeset.PatchSegment();
patch_segment.addr = patch->Mode() == Core::NCE::PatchMode::PreText ? 0 : image_size;
patch_segment.size = static_cast<u32>(patch->SectionSize());
patch_segment.addr =
patch->GetPatchMode() == Core::NCE::PatchMode::PreText ? 0 : image_size;
patch_segment.size = static_cast<u32>(patch->GetSectionSize());
// Add patch section size to the module size. In PreText mode image_size
// already contains the patch segment as part of module_start.
if (patch->Mode() == Core::NCE::PatchMode::PostData) {
if (patch->GetPatchMode() == Core::NCE::PatchMode::PostData) {
image_size += patch_segment.size;
}
}