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95 lines
3 KiB
C
95 lines
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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#ifndef EXOSPHERE_BOOTCONFIG_H
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#define EXOSPHERE_BOOTCONFIG_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "memory_map.h"
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/* This is kind of ConfigItem, but it's stored in BootConfig, so... */
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typedef enum {
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KERNELCONFIGFLAG_INITIALIZE_MEMORY_TO_PATTERN = (1 << 0),
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KERNELCONFIGFLAG_ENABLE_USER_EXCEPTION_HANDLERS = (1 << 1),
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KERNELCONFIGFLAG_ENABLE_USER_PMU_ACCESS = (1 << 2),
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KERNELCONFIGFLAG_CALL_SMC_PANIC_ON_KERNEL_ERROR = (1 << 8),
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} KernelConfigFlag;
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/* This provides management for Switch BootConfig. */
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#define LOADED_BOOTCONFIG (get_loaded_bootconfig())
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typedef struct {
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uint8_t data[0x200];
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} bootconfig_unsigned_config_t;
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typedef struct {
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uint8_t _0x0[8];
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uint8_t package2_config;
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uint8_t _0x9[7];
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uint8_t hardware_info[0x10];
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uint8_t disable_program_verification;
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uint8_t _0x21[0xDF];
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} bootconfig_signed_config_t;
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typedef struct {
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bootconfig_unsigned_config_t unsigned_config;
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uint8_t signature[0x100];
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bootconfig_signed_config_t signed_config;
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} bootconfig_t;
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static inline bootconfig_t *get_loaded_bootconfig(void) {
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/* this is also get_exception_entry_stack_address(2) */
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return (bootconfig_t *)(TZRAM_GET_SEGMENT_ADDRESS(TZRAM_SEGEMENT_ID_SECMON_EVT) + 0x180);
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}
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typedef struct {
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uint32_t bootloader_version;
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uint32_t bootloader_start_block;
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uint32_t bootloader_start_page;
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uint32_t bootloader_attribute;
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uint32_t boot_reason_value;
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uint32_t boot_reason_state;
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} boot_reason_t;
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void bootconfig_load_and_verify(const bootconfig_t *bootconfig);
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void bootconfig_clear(void);
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void bootconfig_load_boot_reason(volatile boot_reason_t *boot_reason);
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void bootconfig_set_package2_hash_for_recovery(const void *package2, size_t package2_size);
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void bootconfig_get_package2_hash_for_recovery(uint64_t *out_hash);
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/* Actual configuration getters. */
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bool bootconfig_is_package2_plaintext(void);
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bool bootconfig_is_package2_unsigned(void);
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void bootconfig_set_package2_plaintext_and_unsigned(void);
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bool bootconfig_disable_program_verification(void);
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bool bootconfig_is_debug_mode(void);
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bool bootconfig_take_extabt_serror_to_el3(void);
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uint64_t bootconfig_get_value_for_sysctr0(void);
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uint64_t bootconfig_get_memory_arrangement(void);
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uint64_t bootconfig_get_kernel_configuration(void);
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bool bootconfig_is_recovery_boot(void);
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uint64_t bootconfig_get_boot_reason(void);
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#endif
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