revert e4342324fe

revert Changes of the previous commits

src/core/arm/nce/arm_nce.cpp

@@ -4,11 +4,6 @@
 
 #include <cinttypes>
 #include <memory>
-#include <thread>
-#include <vector>
-#include <mutex>
-#include <condition_variable>
-#include <atomic>
 
 #include "common/signal_chain.h"
 #include "core/arm/nce/arm_nce.h"
@@ -462,12 +457,6 @@ void ArmNce::AddTlbEntry(u64 guest_addr, u64 host_addr, u32 size, bool writable)
         replace_idx = 0; // Fallback to first entry if something went wrong
     }
 
-    // Prevent overwriting frequently accessed entries
-    if (m_tlb[replace_idx].access_count > 100) {
-        LOG_DEBUG(Core_ARM, "Skipping replacement of frequently accessed TLB entry at index {}", replace_idx);
-        return;
-    }
-
     // Page align the addresses for consistency
     const u64 page_mask = size - 1;
     const u64 aligned_guest = guest_addr & ~page_mask;
@@ -482,8 +471,6 @@ void ArmNce::AddTlbEntry(u64 guest_addr, u64 host_addr, u32 size, bool writable)
         .last_access_time = 0, // Not used in simplified implementation
         .access_count = 1
     };
-
-    LOG_DEBUG(Core_ARM, "Added TLB entry for guest address {:X} to host address {:X}", aligned_guest, aligned_host);
 }
 
 void ArmNce::InvalidateTlb() {
@@ -493,109 +480,4 @@ void ArmNce::InvalidateTlb() {
     }
 }
 
-void ArmNce::InvalidateOldTlbEntries() {
-    std::lock_guard lock(m_tlb_mutex);
-    for (auto& entry : m_tlb) {
-        if (entry.valid && entry.access_count > 100) {
-            LOG_DEBUG(Core_ARM, "Invalidating frequently accessed TLB entry at guest address {:X}", entry.guest_addr);
-            entry.valid = false;
-        }
-    }
-}
-
-void ArmNce::FlushOldPages() {
-    std::lock_guard lock(m_tlb_mutex);
-    for (auto& entry : m_tlb) {
-        if (entry.valid && entry.access_count > 100) {
-            LOG_DEBUG(Core_ARM, "Flushing old page at guest address {:X}", entry.guest_addr);
-            entry.valid = false;
-        }
-    }
-}
-
-void ArmNce::ParallelPageTableWalks() {
-    num_threads = std::thread::hardware_concurrency();
-    worker_threads.resize(num_threads);
-
-    for (size_t i = 0; i < num_threads; ++i) {
-        worker_threads[i] = std::thread(&ArmNce::WorkerThreadFunction, this, i);
-    }
-
-    {
-        std::unique_lock<std::mutex> lock(page_table_mutex);
-        active_threads = num_threads;
-        cv.notify_all();
-    }
-
-    for (auto& thread : worker_threads) {
-        if (thread.joinable()) {
-            thread.join();
-        }
-    }
-}
-
-void ArmNce::WorkerThreadFunction(size_t thread_id) {
-    while (!stop_threads) {
-        std::unique_lock<std::mutex> lock(page_table_mutex);
-        cv.wait(lock, [this] { return !page_table_entries.empty() || stop_threads; });
-
-        if (stop_threads) {
-            break;
-        }
-
-        while (!page_table_entries.empty()) {
-            u64 guest_addr = page_table_entries.back();
-            page_table_entries.pop_back();
-            lock.unlock();
-
-            ProcessPageTableEntry(thread_id, guest_addr);
-
-            lock.lock();
-        }
-
-        if (--active_threads == 0) {
-            cv.notify_all();
-        }
-    }
-}
-
-void ArmNce::ProcessPageTableEntry(size_t thread_id, u64 guest_addr) {
-    // Implement the actual page table entry processing logic here
-    // Ensure proper synchronization and error handling
-    std::lock_guard<std::mutex> lock(page_table_mutex);
-
-    // Example processing logic
-    if (guest_addr == 0) {
-        LOG_ERROR(Core_ARM, "Invalid guest address {:X}", guest_addr);
-        return;
-    }
-
-    // Simulate processing
-    LOG_DEBUG(Core_ARM, "Thread {} processing guest address {:X}", thread_id, guest_addr);
-}
-
-void ArmNce::PagePrefetching() {
-    // Implement page prefetching by storing recent page accesses and fetching adjacent pages
-    LOG_DEBUG(Core_ARM, "Starting page prefetching");
-    // ...
-}
-
-void ArmNce::OptimizeMemoryAlignment() {
-    // Optimize memory alignment by implementing aligned memory blocks
-    LOG_DEBUG(Core_ARM, "Optimizing memory alignment for mobile GPUs");
-    // ...
-}
-
-void ArmNce::HardwareAssistedMemoryTranslation() {
-    // Implement hardware-assisted memory translation if available
-    LOG_DEBUG(Core_ARM, "Using hardware-assisted memory translation");
-    // ...
-}
-
-void ArmNce::AdaptiveTlbSize() {
-    // Add adaptive TLB size with dynamic resizing based on game demands
-    LOG_DEBUG(Core_ARM, "Adapting TLB size based on game demands");
-    // ...
-}
-
 } // namespace Core