asmlinkage void __init nios2_boot_init()

in kernel/setup.c [107:140]

• 29 lines of code
• 5 McCabe index (conditional complexity)

asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6,
				       unsigned r7)
{
	unsigned dtb_passed = 0;
	char cmdline_passed[COMMAND_LINE_SIZE] __maybe_unused = { 0, };

#if defined(CONFIG_NIOS2_PASS_CMDLINE)
	if (r4 == 0x534f494e) { /* r4 is magic NIOS */
#if defined(CONFIG_BLK_DEV_INITRD)
		if (r5) { /* initramfs */
			initrd_start = r5;
			initrd_end = r6;
		}
#endif /* CONFIG_BLK_DEV_INITRD */
		dtb_passed = r6;

		if (r7)
			strlcpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE);
	}
#endif

	early_init_devtree((void *)dtb_passed);

#ifndef CONFIG_CMDLINE_FORCE
	if (cmdline_passed[0])
		strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE);
#ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB
	else
		strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#endif
#endif

	parse_early_param();
}