mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-24 19:26:04 +00:00
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <malloc.h>
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#include "utils.h"
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#include "panic.h"
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#include "exception_handlers.h"
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#include "loader.h"
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#include "chainloader.h"
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#include "stage2.h"
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#include "nxboot.h"
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#include "console.h"
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#include "fs_utils.h"
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#include "switch_fs.h"
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#include "gpt.h"
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#include "display/video_fb.h"
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extern void (*__program_exit_callback)(int rc);
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static stage2_args_t *g_stage2_args;
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static bool g_do_nxboot;
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static void setup_env(void) {
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/* Set the console up. */
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if (console_init(g_stage2_args->display_initialized) == -1) {
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generic_panic();
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}
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/* Set up exception handlers. */
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setup_exception_handlers();
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if(switchfs_import_mmc_structs(&g_stage2_args->sd_mmc, NULL) == -1 || switchfs_mount_all() == -1) {
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fatal_error("Failed to mount at least one parition: %s\n", strerror(errno));
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}
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/* TODO: What other hardware init should we do here? */
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}
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static void cleanup_env(void) {
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/* Unmount everything (this causes all open files to be flushed and closed) */
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switchfs_unmount_all();
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//console_end();
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}
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static void exit_callback(int rc) {
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(void)rc;
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if (g_do_nxboot) {
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/* TODO: halt */
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} else {
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relocate_and_chainload();
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}
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}
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/* Allow for main(int argc, void **argv) signature. */
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#pragma GCC diagnostic ignored "-Wmain"
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int main(int argc, void **argv) {
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loader_ctx_t *loader_ctx = get_loader_ctx();
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if (argc != STAGE2_ARGC) {
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generic_panic();
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}
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g_stage2_args = (stage2_args_t *)argv[STAGE2_ARGV_ARGUMENT_STRUCT];
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if(g_stage2_args->version != 0) {
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generic_panic();
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}
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/* Initialize the display, console, FS, etc. */
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setup_env();
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printf(u8"Welcome to Atmosphère Fusée Stage 2!\n");
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printf("Stage 2 executing from: %s\n", (const char *)argv[STAGE2_ARGV_PROGRAM_PATH]);
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/* This will load all remaining binaries off of the SD. */
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load_payload(g_stage2_args->bct0);
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printf("Loaded payloads!\n");
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g_do_nxboot = loader_ctx->chainload_entrypoint == 0;
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if (g_do_nxboot) {
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printf("Now performing nxboot.\n");
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nxboot_main();
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} else {
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/* TODO: What else do we want to do in terms of argc/argv? */
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const char *path = get_loader_ctx()->file_paths_to_load[get_loader_ctx()->file_id_of_entrypoint];
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printf("Now chainloading.\n");
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g_chainloader_argc = 1;
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strcpy(g_chainloader_arg_data, path);
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}
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/* Deinitialize the display, console, FS, etc. */
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cleanup_env();
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/* Finally, after the cleanup routines (__libc_fini_array, etc.) are called, chainload or halt ourselves. */
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__program_exit_callback = exit_callback;
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return 0;
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}
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