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kern: implement pool partition memblock setup

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This commit is contained in:
Michael Scire 2020-01-29 01:49:04 -08:00
parent e7dee2a9fc
commit 7c703903ea
11 changed files with 325 additions and 3 deletions
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28
libraries/libmesosphere/source/kern_k_page_heap.cpp Normal file
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/*
* Copyright (c) 2018-2020 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/>.
*/
#include <mesosphere.hpp>
namespace ams::kern {
size_t KPageHeap::CalculateMetadataOverheadSize(size_t region_size, const size_t *block_shifts, size_t num_block_shifts) {
size_t overhead_size = 0;
for (size_t i = 0; i < num_block_shifts; i++) {
overhead_size += KPageHeap::Block::CalculateMetadataOverheadSize(region_size, block_shifts[i], (i != num_block_shifts - 1) ? block_shifts[i + 1] : 0);
}
return util::AlignUp(overhead_size, KMemoryManager::PageSize);
}
}