mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-14 00:56:35 +00:00
59 lines
2.6 KiB
C++
59 lines
2.6 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
|
|
namespace ams::fssystem {
|
|
|
|
/* ACCURATE_TO_VERSION: 13.4.0.0 */
|
|
class IAsynchronousAccessSplitter {
|
|
public:
|
|
static IAsynchronousAccessSplitter *GetDefaultAsynchronousAccessSplitter();
|
|
public:
|
|
constexpr IAsynchronousAccessSplitter() = default;
|
|
constexpr virtual ~IAsynchronousAccessSplitter() { /* ... */ }
|
|
public:
|
|
Result QueryNextOffset(s64 *out, s64 start_offset, s64 end_offset, s64 access_size, s64 alignment_size);
|
|
public:
|
|
virtual Result QueryAppropriateOffset(s64 *out, s64 offset, s64 access_size, s64 alignment_size) = 0;
|
|
virtual Result QueryInvocationCount(s64 *out, s64 start_offset, s64 end_offset, s64 access_size, s64 alignment_size) { AMS_UNUSED(out, start_offset, end_offset, access_size, alignment_size); AMS_ABORT("TODO"); }
|
|
};
|
|
|
|
/* ACCURATE_TO_VERSION: 13.4.0.0 */
|
|
class DefaultAsynchronousAccessSplitter final : public IAsynchronousAccessSplitter {
|
|
public:
|
|
constexpr DefaultAsynchronousAccessSplitter() = default;
|
|
public:
|
|
virtual Result QueryAppropriateOffset(s64 *out, s64 offset, s64 access_size, s64 alignment_size) override {
|
|
/* Align the access. */
|
|
*out = util::AlignDown(offset + access_size, alignment_size);
|
|
R_SUCCEED();
|
|
}
|
|
|
|
virtual Result QueryInvocationCount(s64 *out, s64 start_offset, s64 end_offset, s64 access_size, s64 alignment_size) override {
|
|
/* Determine aligned access count. */
|
|
*out = util::DivideUp(end_offset - util::AlignDown(start_offset, alignment_size), access_size);
|
|
R_SUCCEED();
|
|
}
|
|
};
|
|
|
|
/* ACCURATE_TO_VERSION: 13.4.0.0 */
|
|
inline IAsynchronousAccessSplitter *IAsynchronousAccessSplitter::GetDefaultAsynchronousAccessSplitter() {
|
|
static constinit DefaultAsynchronousAccessSplitter s_default_access_splitter;
|
|
return std::addressof(s_default_access_splitter);
|
|
}
|
|
|
|
}
|