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20 lines
687 B
C
20 lines
687 B
C
#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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