Atmosphere/exosphere/src/exocfg.h
2019-06-18 23:23:31 -07:00

73 lines
2.6 KiB
C

/*
* Copyright (c) 2018-2019 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 <http://www.gnu.org/licenses/>.
*/
#ifndef EXOSPHERE_EXOSPHERE_CONFIG_H
#define EXOSPHERE_EXOSPHERE_CONFIG_H
#include <stdint.h>
#include <atmosphere.h>
#include "utils.h"
#include "memory_map.h"
#include "emummc_cfg.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_FLAG_PERFORM_620_KEYGEN_DEPRECATED (1 << 0u)
#define EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV (1 << 1u)
#define EXOSPHERE_FLAG_IS_DEBUGMODE_USER (1 << 2u)
#define EXOSPHERE_FLAG_DISABLE_USERMODE_EXCEPTION_HANDLERS (1 << 3u)
#define EXOSPHERE_FLAGS_DEFAULT (EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV)
typedef struct {
uint32_t magic;
uint32_t target_firmware;
uint32_t flags;
uint32_t reserved[5];
exo_emummc_config_t emummc_cfg;
} exosphere_config_t;
_Static_assert(sizeof(exosphere_config_t) == 0x20 + sizeof(exo_emummc_config_t), "exosphere config definition");
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);
unsigned int exosphere_should_disable_usermode_exception_handlers(void);
const exo_emummc_config_t *exosphere_get_emummc_config(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