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https://github.com/Atmosphere-NX/Atmosphere.git
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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
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* Copyright (c) 2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "core_ctx.h"
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// start.s
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extern uintptr_t g_initialKernelEntrypoint;
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extern u8 __stacks_top__[], __crash_stacks_top__[];
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// Prevents it from being put in BSS
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CoreCtx g_coreCtxs[4] = {
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{ .coreId = 0 },
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{ .coreId = 1 },
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{ .coreId = 2 },
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{ .coreId = 3 },
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};
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void coreCtxInit(u32 coreId, bool isBootCore, u64 argument)
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{
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size_t crashStackSize = (__crash_stacks_top__ - __stacks_top__) / 4;
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currentCoreCtx = &g_coreCtxs[coreId];
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currentCoreCtx->isBootCore = isBootCore;
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currentCoreCtx->kernelArgument = argument;
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currentCoreCtx->crashStack = __crash_stacks_top__ - crashStackSize * coreId;
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if (isBootCore && currentCoreCtx->kernelEntrypoint == 0) {
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currentCoreCtx->kernelEntrypoint = g_initialKernelEntrypoint;
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}
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}
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