mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-15 17:39:28 +00:00
626f0ecb98
- use recursive stage 1 page table (thanks @fincs for this idea) - NULL now unmapped - no identity mapping - image + GICv2 now mapped at the same address for every platform - tempbss mapped just after "real" bss, can now steal unused mem from the latter - no hardcoded VAs for other MMIO devices - tegra: remove timers, use the generic timer instead
53 lines
1.6 KiB
C
53 lines
1.6 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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#include "memory_map.h"
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// start.s
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extern uintptr_t g_initialKernelEntrypoint;
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static atomic_uint g_activeCoreMask = 0;
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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 = 0x1000 / 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 = (u8 *)(MEMORY_MAP_VA_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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void setCurrentCoreActive(void)
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{
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atomic_fetch_or(&g_activeCoreMask, BIT(currentCoreCtx->coreId));
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}
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u32 getActiveCoreMask(void)
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{
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return (u32)atomic_load(&g_activeCoreMask);
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}
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