linux-2.6.33/setup_arch()(arm) の履歴ソース(No.1)

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• linux-2.6.33/setup_arch()(arm) へ行く。
  • 1 (2010-11-24 (水) 11:25:17)

*参照元 [#h46f0949]
#backlinks

*説明 [#mf84ff69]
-パス: [[linux-2.6.33/arch/arm/kernel/setup.c]]

-FIXME: これは何？
--説明


**引数 [#n1925ced]
-char **cmdline_p
--


**返り値 [#o20c8610]
-なし


**参考 [#e2821b16]


*実装 [#u3f1e2bf]
 void __init setup_arch(char **cmdline_p)
 {
 	struct tag *tags = (struct tag *)&init_tags;
 	struct machine_desc *mdesc;
 	char *from = default_command_line;
 
 	unwind_init();
 
 	setup_processor();
 	mdesc = setup_machine(machine_arch_type);
 	machine_name = mdesc->name;
 
 	if (mdesc->soft_reboot)
 		reboot_setup("s");
 
 	if (__atags_pointer)
 		tags = phys_to_virt(__atags_pointer);
 	else if (mdesc->boot_params)
 		tags = phys_to_virt(mdesc->boot_params);
 
 	/*
 	 * If we have the old style parameters, convert them to
 	 * a tag list.
 	 */
 	if (tags->hdr.tag != ATAG_CORE)
 		convert_to_tag_list(tags);
 	if (tags->hdr.tag != ATAG_CORE)
 		tags = (struct tag *)&init_tags;
 
 	if (mdesc->fixup)
 		mdesc->fixup(mdesc, tags, &from, &meminfo);
 
 	if (tags->hdr.tag == ATAG_CORE) {
 		if (meminfo.nr_banks != 0)
 			squash_mem_tags(tags);
 		save_atags(tags);
 		parse_tags(tags);
 	}
 
 	init_mm.start_code = (unsigned long) _text;
 	init_mm.end_code   = (unsigned long) _etext;
 	init_mm.end_data   = (unsigned long) _edata;
 	init_mm.brk	   = (unsigned long) _end;
 
 	memcpy(boot_command_line, from, COMMAND_LINE_SIZE);
 	boot_command_line[COMMAND_LINE_SIZE-1] = '\0';
 	parse_cmdline(cmdline_p, from);
 	paging_init(mdesc);
 	request_standard_resources(&meminfo, mdesc);
 
 #ifdef CONFIG_SMP
 	smp_init_cpus();
 #endif
 
 	cpu_init();
 	tcm_init();
 
 	/*
 	 * Set up various architecture-specific pointers
 	 */
 	init_arch_irq = mdesc->init_irq;
 	system_timer = mdesc->timer;
 	init_machine = mdesc->init_machine;
 
 #ifdef CONFIG_VT
 #if defined(CONFIG_VGA_CONSOLE)
 	conswitchp = &vga_con;
 #elif defined(CONFIG_DUMMY_CONSOLE)
 	conswitchp = &dummy_con;
 #endif
 #endif
 	early_trap_init();
 }


*コメント [#ye3b4694]