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[core/loader] prevent program_image reallocations in NSO+KIP loading methods (#3639)

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also changes some methods to std::span<> as well, but mainly std::vector<> in the NSO/KIP loading stuff is not needed to be memcpy'ed and memmove'd around
this should save a marginal amount of loading time (RDR1)

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

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3639
Reviewed-by: DraVee <dravee@eden-emu.dev>
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2026-02-28 01:06:33 +01:00 • committed by crueter
parent f8712e50e6
commit 06a08de68a
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GPG key ID: 425ACD2D4830EBC6
18 changed files with 122 additions and 212 deletions
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5
src/core/hle/kernel/code_set.h
View file

@ -7,9 +7,9 @@
#pragma once
#include <cstddef>
#include <vector>
#include "core/hle/kernel/k_typed_address.h"
#include "core/hle/kernel/physical_memory.h"
namespace Kernel {
@ -97,8 +97,7 @@ struct CodeSet final {
#endif
/// The overall data that backs this code set.
Kernel::PhysicalMemory memory;
std::vector<u8> memory;
/// The segments that comprise this code set.
std::array<Segment, 3> segments;

23
src/core/hle/kernel/physical_memory.h
View file

@ -1,23 +0,0 @@
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <vector>
#include "common/alignment.h"
namespace Kernel {
// This encapsulation serves 2 purposes:
// - First, to encapsulate host physical memory under a single type and set an
// standard for managing it.
// - Second to ensure all host backing memory used is aligned to 256 bytes due
// to strict alignment restrictions on GPU memory.
using PhysicalMemoryVector = std::vector<u8, Common::AlignmentAllocator<u8, 256>>;
class PhysicalMemory final : public PhysicalMemoryVector {
using PhysicalMemoryVector::PhysicalMemoryVector;
};
} // namespace Kernel