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kern: skeleton enough types to init KCoreLocalRegion in main()

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This commit is contained in:
Michael Scire 2020-01-29 14:26:24 -08:00
parent ad0d2faa6c
commit 981bb1f15d
24 changed files with 1066 additions and 33 deletions
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49
libraries/libmesosphere/source/kern_kernel.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 {
NOINLINE void Kernel::Initialize(s32 core_id) {
/* Construct the core local region object in place. */
KCoreLocalContext *clc = GetPointer<KCoreLocalContext>(KMemoryLayout::GetCoreLocalRegionAddress());
new (clc) KCoreLocalContext;
/* Set the core local region address into the global register. */
cpu::SetCoreLocalRegionAddress(reinterpret_cast<uintptr_t>(clc));
/* Initialize current context. */
clc->current.current_thread = nullptr;
clc->current.current_process = nullptr;
clc->current.scheduler = std::addressof(clc->scheduler);
clc->current.interrupt_task_manager = std::addressof(clc->interrupt_task_manager);
clc->current.core_id = core_id;
clc->current.exception_stack_bottom = GetVoidPointer(KMemoryLayout::GetExceptionStackBottomAddress(core_id));
/* Clear debugging counters. */
clc->num_sw_interrupts = 0;
clc->num_hw_interrupts = 0;
clc->num_svc = 0;
clc->num_process_switches = 0;
clc->num_thread_switches = 0;
clc->num_fpu_switches = 0;
for (size_t i = 0; i < util::size(clc->perf_counters); i++) {
clc->perf_counters[i] = 0;
}
}
}