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