mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-12 23:16:40 +00:00
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*
|
|
* 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <malloc.h>
|
|
|
|
#include "utils.h"
|
|
#include "panic.h"
|
|
#include "exception_handlers.h"
|
|
#include "loader.h"
|
|
#include "chainloader.h"
|
|
#include "stage2.h"
|
|
#include "nxboot.h"
|
|
#include "console.h"
|
|
#include "fs_utils.h"
|
|
#include "nxfs.h"
|
|
#include "gpt.h"
|
|
#include "display/video_fb.h"
|
|
#include "sdmmc/sdmmc.h"
|
|
#include "lib/log.h"
|
|
|
|
extern void (*__program_exit_callback)(int rc);
|
|
|
|
static stage2_args_t *g_stage2_args;
|
|
static bool g_do_nxboot;
|
|
|
|
static void setup_env(void) {
|
|
/* Set the console up. */
|
|
if (console_init(g_stage2_args->display_initialized) == -1) {
|
|
generic_panic();
|
|
}
|
|
|
|
/* Set up exception handlers. */
|
|
setup_exception_handlers();
|
|
|
|
if (nxfs_mount_all() < 0) {
|
|
fatal_error("Failed to mount at least one parition: %s\n", strerror(errno));
|
|
}
|
|
}
|
|
|
|
static void cleanup_env(void) {
|
|
/* Unmount everything (this causes all open files to be flushed and closed) */
|
|
nxfs_unmount_all();
|
|
//console_end();
|
|
}
|
|
|
|
static void exit_callback(int rc) {
|
|
(void)rc;
|
|
if (g_do_nxboot) {
|
|
/* TODO: halt */
|
|
} else {
|
|
relocate_and_chainload();
|
|
}
|
|
}
|
|
|
|
/* Allow for main(int argc, void **argv) signature. */
|
|
#pragma GCC diagnostic ignored "-Wmain"
|
|
|
|
int main(int argc, void **argv) {
|
|
loader_ctx_t *loader_ctx = get_loader_ctx();
|
|
|
|
if (argc != STAGE2_ARGC) {
|
|
generic_panic();
|
|
}
|
|
|
|
g_stage2_args = (stage2_args_t *)argv[STAGE2_ARGV_ARGUMENT_STRUCT];
|
|
|
|
if (g_stage2_args->version != 0) {
|
|
generic_panic();
|
|
}
|
|
|
|
/* Override the global logging level. */
|
|
log_set_log_level(g_stage2_args->log_level);
|
|
|
|
/* Initialize the display, console, FS, etc. */
|
|
setup_env();
|
|
|
|
print(SCREEN_LOG_LEVEL_MANDATORY, u8"Welcome to Atmosphère Fusée Stage 2!\n");
|
|
print(SCREEN_LOG_LEVEL_DEBUG, "Stage 2 executing from: %s\n", (const char *)argv[STAGE2_ARGV_PROGRAM_PATH]);
|
|
|
|
/* This will load all remaining binaries off of the SD. */
|
|
load_payload(g_stage2_args->bct0);
|
|
|
|
print(SCREEN_LOG_LEVEL_INFO, "Loaded payloads!\n");
|
|
|
|
g_do_nxboot = loader_ctx->chainload_entrypoint == 0;
|
|
if (g_do_nxboot) {
|
|
print(SCREEN_LOG_LEVEL_MANDATORY, "Now performing nxboot.\n");
|
|
uint32_t boot_memaddr = nxboot_main();
|
|
nxboot_finish(boot_memaddr);
|
|
} else {
|
|
/* TODO: What else do we want to do in terms of argc/argv? */
|
|
const char *path = get_loader_ctx()->file_paths_to_load[get_loader_ctx()->file_id_of_entrypoint];
|
|
print(SCREEN_LOG_LEVEL_MANDATORY, "Now chainloading.\n");
|
|
g_chainloader_argc = 1;
|
|
strcpy(g_chainloader_arg_data, path);
|
|
}
|
|
|
|
/* Deinitialize the display, console, FS, etc. */
|
|
cleanup_env();
|
|
|
|
/* Finally, after the cleanup routines (__libc_fini_array, etc.) are called, chainload or halt ourselves. */
|
|
__program_exit_callback = exit_callback;
|
|
|
|
return 0;
|
|
}
|