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[dynarmic] add current code page cache (#3459)

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should make JIT translation a bit faster - especially for non-fastmem
test if thumb still werks

previously:
we read 32-bits one by one, and do translation **for each u32 we read**

now:
one big read of 4096 bytes (aligned of course), only 1 VAddr translation

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3459
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-02-12 02:14:50 +01:00 • committed by crueter
parent e46576b4c3
commit c263b6af6f
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7 changed files with 59 additions and 11 deletions
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5
src/core/memory.cpp
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: 2015 Citra Emulator Project
@ -36,8 +36,7 @@
namespace Core::Memory {
static inline bool AddressSpaceContains(const Common::PageTable& table, const Common::ProcessAddress addr,
const std::size_t size) {
static inline bool AddressSpaceContains(const Common::PageTable& table, const Common::ProcessAddress addr, const std::size_t size) {
const Common::ProcessAddress max_addr = 1ULL << table.GetAddressSpaceBits();
return addr + size >= addr && addr + size <= max_addr;
}