mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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53 lines
No EOL
1.7 KiB
C
53 lines
No EOL
1.7 KiB
C
/*
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* Copyright (c) 2018 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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#include <stdint.h>
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#include <stdbool.h>
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#include "utils.h"
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#include "exocfg.h"
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#include "mmu.h"
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#include "memory_map.h"
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#define MAILBOX_BASE (MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_NXBOOTLOADER_MAILBOX))
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/* TODO: Should this be at a non-static location? */
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#define MAILBOX_EXOSPHERE_CONFIG (*((volatile exosphere_config_t *)(MAILBOX_BASE + 0xE40ULL)))
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static exosphere_config_t g_exosphere_cfg = {MAGIC_EXOSPHERE_BOOTCONFIG, EXOSPHERE_TARGET_FIRMWARE_DEFAULT_FOR_DEBUG};
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static bool g_has_loaded_config = false;
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/* Read config out of IRAM, return target firmware version. */
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unsigned int exosphere_load_config(void) {
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if (g_has_loaded_config) {
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generic_panic();
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}
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g_has_loaded_config = true;
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if (MAILBOX_EXOSPHERE_CONFIG.magic == MAGIC_EXOSPHERE_BOOTCONFIG) {
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g_exosphere_cfg = MAILBOX_EXOSPHERE_CONFIG;
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}
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return g_exosphere_cfg.target_firmware;
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}
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unsigned int exosphere_get_target_firmware(void) {
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if (!g_has_loaded_config) {
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generic_panic();
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}
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return g_exosphere_cfg.target_firmware;
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} |