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36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/*
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* Copyright (c) 2018-2019 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 <string.h>
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#include "utils.h"
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#include "mmu.h"
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#include "memory_map.h"
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#include "arm.h"
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#include "cpu_context.h"
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extern uint8_t __pk2ldr_start__[], __pk2ldr_end__[];
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void coldboot_main(void) {
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uintptr_t *mmu_l3_table = (uintptr_t *)TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_L3_TRANSLATION_TABLE);
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uintptr_t pk2ldr = TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGMENT_ID_PK2LDR);
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/* Clear and unmap pk2ldr (which is reused as exception entry stacks) */
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memset((void *)pk2ldr, 0, __pk2ldr_end__ - __pk2ldr_start__);
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mmu_unmap_range(3, mmu_l3_table, pk2ldr, __pk2ldr_end__ - __pk2ldr_start__);
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tlb_invalidate_all_inner_shareable();
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core_jump_to_lower_el();
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}
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