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

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#include "utils.h"
#include "hwinit.h"
#include "loader.h"
#include "stage2.h"
#include "nxboot.h"
#include "sd_utils.h"
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#include "lib/printk.h"
#include "display/video_fb.h"
/* TODO: Add a #define for this size, somewhere. Also, primary can only actually load 0x7000. */
char g_bct0[0x8000];
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/* Allow for main(int argc, void **argv) signature. */
#pragma GCC diagnostic ignored "-Wmain"
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void __init_heap(void) {
extern char* fake_heap_start;
extern char* fake_heap_end;
fake_heap_start = (char*)0xF0000000;
fake_heap_end = (char*)0xFFF00000;
}
int main(int argc, void **argv) {
stage2_args_t args = {0};
loader_ctx_t *loader_ctx = get_loader_ctx();
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if (argc != STAGE2_ARGC || ((args = *((stage2_args_t *)argv[STAGE2_ARGV_ARGUMENT_STRUCT])).version != 0)) {
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generic_panic();
}
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resume_sd_state((struct mmc *)args.sd_mmc, (FATFS *)args.sd_fs);
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/* Copy the BCT0 from unsafe primary memory into our memory. */
strncpy(g_bct0, args.bct0, sizeof(g_bct0));
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/* TODO: What other hardware init should we do here? */
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/* Setup LFB. */
video_resume(args.lfb, args.console_row, args.console_col);
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printk("Welcome to Atmosph\xe8re Fus\xe9" "e Stage 2!\n");
printk("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. */
load_payload(g_bct0);
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printk("Loaded payloads!\n");
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if (loader_ctx->chainload_entrypoint != NULL) {
/* TODO: What do we want to do in terms of argc/argv? */
loader_ctx->chainload_entrypoint(0, NULL);
} else {
/* If we don't have a chainload entrypoint set, we're booting Horizon. */
nxboot_main();
}
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return 0;
}