/* * Copyright (c) 2018 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 . */ #ifndef EXOSPHERE_EXOSPHERE_CONFIG_H #define EXOSPHERE_EXOSPHERE_CONFIG_H #include #include #include "utils.h" #include "memory_map.h" /* This serves to set configuration for *exosphere itself*, separate from the SecMon Exosphere mimics. */ /* "EXO0" */ #define MAGIC_EXOSPHERE_CONFIG (0x304F5845) #define EXOSPHERE_LOOSEN_PACKAGE2_RESTRICTIONS_FOR_DEBUG 1 #define MAILBOX_EXOSPHERE_CONFIG (*((volatile exosphere_config_t *)(0x8000F000ull))) /* Exosphere config in DRAM shares physical/virtual mapping. */ #define MAILBOX_EXOSPHERE_CONFIG_PHYS MAILBOX_EXOSPHERE_CONFIG #define EXOSPHERE_FLAGS_DEFAULT 0x00000000 #define EXOSPHERE_FLAG_PERFORM_620_KEYGEN (1 << 0u) #define EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV (1 << 1u) #define EXOSPHERE_FLAG_IS_DEBUGMODE_USER (1 << 2u) typedef struct { unsigned int magic; unsigned int target_firmware; unsigned int flags; unsigned int reserved; } exosphere_config_t; unsigned int exosphere_load_config(void); unsigned int exosphere_get_target_firmware(void); unsigned int exosphere_should_perform_620_keygen(void); unsigned int exosphere_should_override_debugmode_priv(void); unsigned int exosphere_should_override_debugmode_user(void); static inline unsigned int exosphere_get_target_firmware_for_init(void) { const unsigned int magic = MAILBOX_EXOSPHERE_CONFIG_PHYS.magic; if (magic == MAGIC_EXOSPHERE_CONFIG) { return MAILBOX_EXOSPHERE_CONFIG_PHYS.target_firmware; } else { return ATMOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG; } } #endif