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WIP: DO-NOT-MERGE: NCE experiments: Initial LRU

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This commit is contained in:
MrPurple666 2025-04-02 02:11:32 -03:00
parent 27ceda2c6c
commit 3d43fecece
2 changed files with 71 additions and 1 deletions
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15
src/core/arm/nce/patcher.h
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@ -13,6 +13,7 @@
#include "core/hle/kernel/code_set.h"
#include "core/hle/kernel/k_typed_address.h"
#include "core/hle/kernel/physical_memory.h"
#include "lru_cache.h"
namespace Core::NCE {
@ -60,8 +61,20 @@ private:
void WriteCntpctHandler(ModuleDestLabel module_dest, oaknut::XReg dest_reg);
private:
static constexpr size_t CACHE_SIZE = 1024; // Cache size for patch entries
LRUCache<uintptr_t, PatchTextAddress> patch_cache{CACHE_SIZE};
void BranchToPatch(uintptr_t module_dest) {
curr_patch->m_branch_to_patch_relocations.push_back({c.offset(), module_dest});
// Try to get existing patch entry from cache
if (auto* cached_patch = patch_cache.get(module_dest)) {
curr_patch->m_branch_to_patch_relocations.push_back({c.offset(), *cached_patch});
return;
}
// If not in cache, create new entry and cache it
const auto patch_addr = c.offset();
curr_patch->m_branch_to_patch_relocations.push_back({patch_addr, module_dest});
patch_cache.put(module_dest, patch_addr);
}
void BranchToModule(uintptr_t module_dest) {