Atmosphere/sept/sept-secondary/src/main.c

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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "utils.h"
#include "exception_handlers.h"
#include "panic.h"
#include "hwinit.h"
#include "di.h"
#include "timers.h"
#include "fs_utils.h"
#include "stage2.h"
#include "chainloader.h"
#include "sdmmc/sdmmc.h"
#include "lib/fatfs/ff.h"
#include "lib/log.h"
#include "lib/vsprintf.h"
#include "lib/ini.h"
#include "display/video_fb.h"
extern void (*__program_exit_callback)(int rc);
static void *g_framebuffer;
static void setup_env(void) {
g_framebuffer = (void *)0xC0000000;
/* Initialize hardware. */
nx_hwinit();
/* Check for panics. */
check_and_display_panic();
/* Zero-fill the framebuffer and register it as printk provider. */
video_init(g_framebuffer);
/* Initialize the display. */
display_init();
/* Set the framebuffer. */
display_init_framebuffer(g_framebuffer);
/* Turn on the backlight after initializing the lfb */
/* to avoid flickering. */
display_backlight(true);
/* Set up the exception handlers. */
setup_exception_handlers();
/* Mount the SD card. */
mount_sd();
}
static void cleanup_env(void) {
/* Unmount the SD card. */
unmount_sd();
display_backlight(false);
display_end();
}
static void exit_callback(int rc) {
(void)rc;
relocate_and_chainload();
}
int main(void) {
ScreenLogLevel log_level = SCREEN_LOG_LEVEL_MANDATORY;
/* Override the global logging level. */
log_set_log_level(log_level);
/* Initialize the display, console, etc. */
setup_env();
/* Say hello. */
print(SCREEN_LOG_LEVEL_MANDATORY, "Welcome to Atmosph\xe8re sept-secondary!\n");
while (true) { }
/* TODO: Derive keys. */
/* TODO: Chainload to payload. */
/* Wait a while. */
mdelay(1000);
/* Deinitialize the display, console, etc. */
cleanup_env();
/* Finally, after the cleanup routines (__libc_fini_array, etc.) are called, jump to Stage2. */
__program_exit_callback = exit_callback;
return 0;
}