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[settings] add PR4490 & PR4492 toggles (#4502)

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- [X] I have read and followed the [Contribution Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/CONTRIBUTING.md#code-contributions).
- [X] I have read and followed the [AI Policy](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/AI.md)
- [X] I have read and followed the [Coding Guidelines](https://git.eden-emu.dev/eden-emu/eden/src/branch/master/docs/policies/Coding.md) to the best of my ability.

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TEMPORARY! Pushed under Camille's instruction. Will be dropped as soon as they get optimized.
Aimed to avoid reported perf impact from PRs 4490 and 4492 on 30-sep-2026 nightly,

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4502
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
This commit is contained in:
xbzk
2026-10-05 22:37:30 +02:00
committed by crueter
parent 48aeedd3b3
commit 10bcd2d849
8 changed files with 65 additions and 27 deletions
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src/core/hle/service/ro/ro.cpp
+20 -18
View File
@@ -426,28 +426,30 @@ public:
std::addressof(ro_size), std::addressof(rw_size),
nro_info->base_address, nro_size, bss_size));
#ifdef HAS_NCE
if (Settings::IsNceEnabled()) {
auto* process = context->GetProcess();
auto& memory = process->GetMemory();
if (Settings::values.nce_runtime_nro_patch.GetValue()) {
if (Settings::IsNceEnabled()) {
auto* process = context->GetProcess();
auto& memory = process->GetMemory();
std::vector<u8> image(total_size);
memory.ReadBlock(nro_info->base_address, image.data(), rx_size);
std::vector<u8> image(total_size);
memory.ReadBlock(nro_info->base_address, image.data(), rx_size);
Kernel::CodeSet::Segment code{.size = static_cast<u32>(rx_size)};
Core::NCE::Patcher patch;
patch.PatchText(image, code);
patch.RelocateAndCopy(nro_info->base_address, code, image, nullptr);
Kernel::CodeSet::Segment code{.size = static_cast<u32>(rx_size)};
Core::NCE::Patcher patch;
patch.PatchText(image, code);
patch.RelocateAndCopy(nro_info->base_address, code, image, nullptr);
const u64 patch_address = nro_info->base_address + total_size;
const size_t patch_size = patch.GetSectionSize();
constexpr auto permission = Kernel::Svc::MemoryPermission::ReadExecute;
const u64 patch_address = nro_info->base_address + total_size;
const size_t patch_size = patch.GetSectionSize();
constexpr auto permission = Kernel::Svc::MemoryPermission::ReadExecute;
auto* patch_memory = Kernel::KSharedMemory::Create(kernel);
R_TRY(patch_memory->Initialize(kernel, kernel.System().DeviceMemory(), process, permission, permission, patch_size));
std::memcpy(patch_memory->GetPointer(), image.data() + total_size, patch_size);
R_TRY(process->AddSharedMemory(kernel, patch_memory, patch_address, patch_size));
R_TRY(patch_memory->Map(*process, patch_address, patch_size, permission));
memory.WriteBlock(nro_info->base_address, image.data(), rx_size);
auto* patch_memory = Kernel::KSharedMemory::Create(kernel);
R_TRY(patch_memory->Initialize(kernel, kernel.System().DeviceMemory(), process, permission, permission, patch_size));
std::memcpy(patch_memory->GetPointer(), image.data() + total_size, patch_size);
R_TRY(process->AddSharedMemory(kernel, patch_memory, patch_address, patch_size));
R_TRY(patch_memory->Map(*process, patch_address, patch_size, permission));
memory.WriteBlock(nro_info->base_address, image.data(), rx_size);
}
}
#endif
// Set NRO perms.