/*
* 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 .
*/
#include
#include
#include "utils.h"
#include "exocfg.h"
#include "mmu.h"
#include "memory_map.h"
static exosphere_config_t g_exosphere_cfg = {MAGIC_EXOSPHERE_CONFIG, ATMOSPHERE_TARGET_FIRMWARE_CURRENT, EXOSPHERE_FLAGS_DEFAULT};
static bool g_has_loaded_config = false;
#define EXOSPHERE_CHECK_FLAG(flag) ((g_exosphere_cfg.flags & flag) != 0)
/* Read config out of IRAM, return target firmware version. */
unsigned int exosphere_load_config(void) {
if (g_has_loaded_config) {
generic_panic();
}
g_has_loaded_config = true;
const unsigned int magic = MAILBOX_EXOSPHERE_CONFIG.magic;
if (magic == MAGIC_EXOSPHERE_CONFIG) {
g_exosphere_cfg = MAILBOX_EXOSPHERE_CONFIG;
}
return g_exosphere_cfg.target_firmware;
}
unsigned int exosphere_get_target_firmware(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return g_exosphere_cfg.target_firmware;
}
unsigned int exosphere_should_perform_620_keygen(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return false;
}
unsigned int exosphere_should_override_debugmode_priv(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return EXOSPHERE_CHECK_FLAG(EXOSPHERE_FLAG_IS_DEBUGMODE_PRIV);
}
unsigned int exosphere_should_override_debugmode_user(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return EXOSPHERE_CHECK_FLAG(EXOSPHERE_FLAG_IS_DEBUGMODE_USER);
}
unsigned int exosphere_should_disable_usermode_exception_handlers(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return EXOSPHERE_CHECK_FLAG(EXOSPHERE_FLAG_DISABLE_USERMODE_EXCEPTION_HANDLERS);
}
unsigned int exosphere_should_enable_usermode_pmu_access(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return EXOSPHERE_CHECK_FLAG(EXOSPHERE_FLAG_ENABLE_USERMODE_PMU_ACCESS);
}
const exo_emummc_config_t *exosphere_get_emummc_config(void) {
if (!g_has_loaded_config) {
generic_panic();
}
return &g_exosphere_cfg.emummc_cfg;
}