void __init setup_arch()

in kernel/setup_no.c [85:172]

• 67 lines of code
• 7 McCabe index (conditional complexity)

void __init setup_arch(char **cmdline_p)
{
	memory_start = PAGE_ALIGN(_ramstart);
	memory_end = _ramend;

	setup_initial_init_mm(_stext, _etext, _edata, NULL);

	config_BSP(&command_line[0], sizeof(command_line));

#if defined(CONFIG_BOOTPARAM)
	strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
	command_line[sizeof(command_line) - 1] = 0;
#endif /* CONFIG_BOOTPARAM */

	process_uboot_commandline(&command_line[0], sizeof(command_line));

	pr_info("uClinux with CPU " CPU_NAME "\n");

#ifdef CONFIG_UCDIMM
	pr_info("uCdimm by Lineo, Inc. <www.lineo.com>\n");
#endif
#ifdef CONFIG_M68328
	pr_info("68328 support D. Jeff Dionne <jeff@uclinux.org>\n");
	pr_info("68328 support Kenneth Albanowski <kjahds@kjshds.com>\n");
#endif
#ifdef CONFIG_M68EZ328
	pr_info("68EZ328 DragonBallEZ support (C) 1999 Rt-Control, Inc\n");
#endif
#ifdef CONFIG_M68VZ328
	pr_info("M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n");
	pr_info("68VZ328 DragonBallVZ support (c) 2001 Lineo, Inc.\n");
#endif
#ifdef CONFIG_COLDFIRE
	pr_info("COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n");
#ifdef CONFIG_M5307
	pr_info("Modified for M5307 by Dave Miller, dmiller@intellistor.com\n");
#endif
#ifdef CONFIG_ELITE
	pr_info("Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n");
#endif
#endif
	pr_info("Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n");

#if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )
	pr_info("68328/Pilot support Bernhard Kuhn <kuhn@lpr.e-technik.tu-muenchen.de>\n");
	pr_info("TRG SuperPilot FLASH card support <info@trgnet.com>\n");
#endif
#if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 )
	pr_info("PalmV support by Lineo Inc. <jeff@uclinux.com>\n");
#endif
#ifdef CONFIG_DRAGEN2
	pr_info("DragonEngine II board support by Georges Menie\n");
#endif
#ifdef CONFIG_M5235EVB
	pr_info("Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)\n");
#endif

	pr_debug("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n",
		 _stext, _etext, _sdata, _edata, __bss_start, __bss_stop);
	pr_debug("MEMORY -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx\n ",
		 __bss_stop, memory_start, memory_start, memory_end);

	memblock_add(_rambase, memory_end - _rambase);
	memblock_reserve(_rambase, memory_start - _rambase);

	/* Keep a copy of command line */
	*cmdline_p = &command_line[0];
	memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
	boot_command_line[COMMAND_LINE_SIZE-1] = 0;

	/*
	 * Give all the memory to the bootmap allocator, tell it to put the
	 * boot mem_map at the start of memory.
	 */
	min_low_pfn = PFN_DOWN(memory_start);
	max_pfn = max_low_pfn = PFN_DOWN(memory_end);

#if defined(CONFIG_UBOOT) && defined(CONFIG_BLK_DEV_INITRD)
	if ((initrd_start > 0) && (initrd_start < initrd_end) &&
			(initrd_end < memory_end))
		memblock_reserve(initrd_start, initrd_end - initrd_start);
#endif /* if defined(CONFIG_BLK_DEV_INITRD) */

	/*
	 * Get kmalloc into gear.
	 */
	paging_init();
}