189 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			189 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright (C) 2007, 2008, 2010
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|  * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <command.h>
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| #include <malloc.h>
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| #include <stdio_dev.h>
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| #include <version.h>
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| #include <watchdog.h>
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| #include <net.h>
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| #include <mmc.h>
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| #include <environment.h>
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| 
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| #ifdef CONFIG_BITBANGMII
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| #include <miiphy.h>
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| #endif
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| extern int cpu_init(void);
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| extern int board_init(void);
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| extern int dram_init(void);
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| extern int timer_init(void);
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| 
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| unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
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| 
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| #ifndef CONFIG_SYS_NO_FLASH
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| static int sh_flash_init(void)
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| {
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| 	gd->bd->bi_flashsize = flash_init();
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| 
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| 	if (gd->bd->bi_flashsize >= (1024 * 1024))
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| 		printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
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| 	else
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| 		printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
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| 
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| 	return 0;
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| }
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| #endif /* CONFIG_SYS_NO_FLASH */
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| 
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| #if defined(CONFIG_CMD_NAND)
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| # include <nand.h>
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| # define INIT_FUNC_NAND_INIT nand_init,
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| #else
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| # define INIT_FUNC_NAND_INIT
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| #endif /* CONFIG_CMD_NAND */
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| 
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| #if defined(CONFIG_WATCHDOG)
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| extern int watchdog_init(void);
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| extern int watchdog_disable(void);
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| # undef INIT_FUNC_WATCHDOG_INIT
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| # define INIT_FUNC_WATCHDOG_INIT	watchdog_init,
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| # define WATCHDOG_DISABLE       	watchdog_disable
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| #else
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| # define INIT_FUNC_WATCHDOG_INIT
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| # define WATCHDOG_DISABLE
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| #endif /* CONFIG_WATCHDOG */
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| 
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| #if defined(CONFIG_CMD_IDE)
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| # include <ide.h>
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| # define INIT_FUNC_IDE_INIT	ide_init,
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| #else
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| # define INIT_FUNC_IDE_INIT
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| #endif /* CONFIG_CMD_IDE */
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| 
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| #if defined(CONFIG_PCI)
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| #include <pci.h>
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| static int sh_pci_init(void)
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| {
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| 	pci_init();
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| 	return 0;
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| }
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| # define INIT_FUNC_PCI_INIT sh_pci_init,
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| #else
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| # define INIT_FUNC_PCI_INIT
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| #endif /* CONFIG_PCI */
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| 
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| static int sh_mem_env_init(void)
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| {
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| 	mem_malloc_init(CONFIG_SYS_TEXT_BASE - GENERATED_GBL_DATA_SIZE -
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| 			CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
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| 	env_relocate();
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| 	jumptable_init();
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| 	return 0;
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| }
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| 
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| #if defined(CONFIG_CMD_MMC)
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| static int sh_mmc_init(void)
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| {
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| 	puts("MMC:   ");
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| 	mmc_initialize(gd->bd);
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| 	return 0;
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| }
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| #endif
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| 
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| typedef int (init_fnc_t) (void);
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| 
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| init_fnc_t *init_sequence[] =
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| {
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| 	cpu_init,		/* basic cpu dependent setup */
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| 	board_init,		/* basic board dependent setup */
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| 	interrupt_init,	/* set up exceptions */
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| 	env_init,		/* event init */
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| 	serial_init,	/* SCIF init */
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| 	INIT_FUNC_WATCHDOG_INIT	/* watchdog init */
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| 	console_init_f,
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| 	display_options,
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| 	checkcpu,
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| 	checkboard,		/* Check support board */
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| 	dram_init,		/* SDRAM init */
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| 	timer_init,		/* SuperH Timer (TCNT0 only) init */
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| 	sh_mem_env_init,
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| #ifndef CONFIG_SYS_NO_FLASH
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| 	sh_flash_init,	/* Flash memory init*/
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| #endif
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| 	INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
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| 	INIT_FUNC_PCI_INIT	/* PCI init */
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| 	stdio_init,
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| 	console_init_r,
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| 	interrupt_init,
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| #ifdef CONFIG_BOARD_LATE_INIT
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| 	board_late_init,
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| #endif
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| #if defined(CONFIG_CMD_MMC)
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| 	sh_mmc_init,
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| #endif
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| 	NULL			/* Terminate this list */
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| };
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| 
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| void sh_generic_init(void)
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| {
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| 	bd_t *bd;
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| 	init_fnc_t **init_fnc_ptr;
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| 
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| 	memset(gd, 0, GENERATED_GBL_DATA_SIZE);
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| 
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| 	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
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| 
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| 	gd->bd = (bd_t *)(gd + 1);	/* At end of global data */
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| 	gd->baudrate = CONFIG_BAUDRATE;
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| 
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| 	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
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| 
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| 	bd = gd->bd;
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| 	bd->bi_memstart	= CONFIG_SYS_SDRAM_BASE;
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| 	bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
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| #ifndef CONFIG_SYS_NO_FLASH
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| 	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
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| #endif
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| #if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
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| 	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
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| 	bd->bi_sramsize	= CONFIG_SYS_SRAM_SIZE;
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| #endif
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| 
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| 	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
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| 		WATCHDOG_RESET();
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| 		if ((*init_fnc_ptr) () != 0)
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| 			hang();
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| 	}
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| 
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| #ifdef CONFIG_WATCHDOG
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| 	/* disable watchdog if environment is set */
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| 	{
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| 		char *s = getenv("watchdog");
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| 		if (s != NULL)
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| 			if (strncmp(s, "off", 3) == 0)
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| 				WATCHDOG_DISABLE();
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| 	}
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| #endif /* CONFIG_WATCHDOG*/
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| 
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| 
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| #ifdef CONFIG_BITBANGMII
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| 	bb_miiphy_init();
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| #endif
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| #if defined(CONFIG_CMD_NET)
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| 	puts("Net:   ");
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| 	eth_initialize(gd->bd);
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| #endif /* CONFIG_CMD_NET */
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| 
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| 	while (1) {
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| 		WATCHDOG_RESET();
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| 		main_loop();
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| 	}
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| }
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