*参照元 [#j026636d]
#backlinks
*説明 [#va4bfff1]
-パス: [[linux-2.6.33/init/main.c]]
-FIXME: これは何？
--説明
**引数 [#s90e3ca5]
-
--
**返り値 [#nef67915]
-
--
**参考 [#z779abc2]
*実装 [#pd00c22e]
asmlinkage void __init start_kernel(void)
{
char * command_line;
extern struct kernel_param __start___param[], __stop___param[];
-
--[[linux-2.6.33/kernel_param]]
-
--[[linux-2.6.33/__start__param(global)]]
-
--[[linux-2.6.33/__stop__param(global)]]
smp_setup_processor_id();
-
--[[linux-2.6.33/smp_setup_processor_id()]]
/*
* Need to run as early as possible, to initialize the
* lockdep hash:
*/
lockdep_init();
debug_objects_early_init();
-
--[[linux-2.6.33/lockdep_init()]]
-
--[[linux-2.6.33/debug_objects_early_init()]]
/*
* Set up the the initial canary ASAP:
*/
boot_init_stack_canary();
-
--[[linux-2.6.33/boot_init_stack_canary()]]
cgroup_init_early();
-
--[[linux-2.6.33/cgroup_init_early()]]
local_irq_disable();
early_boot_irqs_off();
early_init_irq_lock_class();
-
--[[linux-2.6.33/local_irq_disable()]]
-
--[[linux-2.6.33/early_boot_irqs_off()]]
-
--[[linux-2.6.33/early_init_irq_lock_class()]]
/*
* Interrupts are still disabled. Do necessary setups, then
* enable them
*/
lock_kernel();
-
--[[linux-2.6.33/lock_kernel()]]
tick_init();
boot_cpu_init();
page_address_init();
printk(KERN_NOTICE "%s", linux_banner);
-
--[[linux-2.6.33/tick_init()]]
-
--[[linux-2.6.33/boot_cpu_init()]]
-
--[[linux-2.6.33/page_address_init()]]
-
--[[linux-2.6.33/printk()]]
-
--[[linux-2.6.33/linux_banner(global)]]
setup_arch(&command_line);
mm_init_owner(&init_mm, &init_task);
setup_command_line(command_line);
setup_nr_cpu_ids();
setup_per_cpu_areas();
smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */
-
--[[linux-2.6.33/setup_arch()]]
-
--[[linux-2.6.33/mm_init_owner()]]
-
--[[linux-2.6.33/init_mm(global)]]
-
--[[linux-2.6.33/init_task(global)]]
-
--[[linux-2.6.33/setup_command_line()]]
-
--[[linux-2.6.33/setup_nr_cpu_ids()]]
-
--[[linux-2.6.33/setup_per_cpu_areas()]]
-
--[[linux-2.6.33/smp_prepare_boot_cpu()]]
build_all_zonelists();
page_alloc_init();
-
--[[linux-2.6.33/build_all_zonelists()]]
-
--[[linux-2.6.33/page_alloc_init()]]
printk(KERN_NOTICE "Kernel command line: %s\n", boot_command_line);
parse_early_param();
parse_args("Booting kernel", static_command_line, __start___param,
__stop___param - __start___param,
&unknown_bootoption);
-
--[[linux-2.6.33/boot_command_line(global)]]
-
--[[linux-2.6.33/parse_early_param()]]
-
--[[linux-2.6.33/parse_args()]]
-
--[[linux-2.6.33/static_command_line(global)]]
-
--[[linux-2.6.33/unknown_boot_option(global)]]
/*
* These use large bootmem allocations and must precede
* kmem_cache_init()
*/
pidhash_init();
vfs_caches_init_early();
sort_main_extable();
trap_init();
mm_init();
-
--[[linux-2.6.33/pidhash_init()]]
-
--[[linux-2.6.33/vfs_caches_init_early()]]
-
--[[linux-2.6.33/sort_main_extable()]]
-
--[[linux-2.6.33/trap_init()]]
-
--[[linux-2.6.33/mm_init()]]
/*
* Set up the scheduler prior starting any interrupts (such as the
* timer interrupt). Full topology setup happens at smp_init()
* time - but meanwhile we still have a functioning scheduler.
*/
sched_init();
-
--[[linux-2.6.33/sched_init()]]
/*
* Disable preemption - early bootup scheduling is extremely
* fragile until we cpu_idle() for the first time.
*/
preempt_disable();
-
--[[linux-2.6.33/preempt_disable()]]
if (!irqs_disabled()) {
-
--[[linux-2.6.33/irqs_disabled()]]
printk(KERN_WARNING "start_kernel(): bug: interrupts were "
"enabled *very* early, fixing it\n");
local_irq_disable();
}
rcu_init();
-
--[[linux-2.6.33/rcu_init()]]
/* init some links before init_ISA_irqs() */
early_irq_init();
init_IRQ();
-
--[[linux-2.6.33/early_irq_init()]]
-
--[[linux-2.6.33/init_IRQ()]]
prio_tree_init();
init_timers();
hrtimers_init();
softirq_init();
-
--[[linux-2.6.33/prio_tree_init()]]
-
--[[linux-2.6.33/init_timers()]]
-
--[[linux-2.6.33/hrtimers_init()]]
-
--[[linux-2.6.33/softirq_init()]]
timekeeping_init();
time_init();
profile_init();
-
--[[linux-2.6.33/timekeeping_init()]]
-
--[[linux-2.6.33/time_init()]]
-
--[[linux-2.6.33/profile_init()]]
if (!irqs_disabled())
printk(KERN_CRIT "start_kernel(): bug: interrupts were "
"enabled early\n");
early_boot_irqs_on();
local_irq_enable();
-
--[[linux-2.6.33/early_boot_irqs_on()]]
-
--[[linux-2.6.33/local_irq_enable()]]
/* Interrupts are enabled now so all GFP allocations are safe. */
set_gfp_allowed_mask(__GFP_BITS_MASK);
-
--[[linux-2.6.33/set_gfp_allowed_mask()]]
-
--[[linux-2.6.33/__GFP_BITS_MASK]]
kmem_cache_init_late();
-
--[[linux-2.6.33/kmem_cache_init_late()]]
/*
* HACK ALERT! This is early. We're enabling the console before
* we've done PCI setups etc, and console_init() must be aware of
* this. But we do want output early, in case something goes wrong.
*/
console_init();
-
--[[linux-2.6.33/console_init()]]
if (panic_later)
panic(panic_later, panic_param);
-
--[[linux-2.6.33/panic()]]
-
--[[linux-2.6.33/panic_later(global)]]
-
--[[linux-2.6.33/panic_param(global)]]
lockdep_info();
-
--[[linux-2.6.33/lockdep_info()]]
/*
* Need to run this when irqs are enabled, because it wants
* to self-test [hard/soft]-irqs on/off lock inversion bugs
* too:
*/
locking_selftest();
-
--[[linux-2.6.33/locking_selftest()]]
#ifdef CONFIG_BLK_DEV_INITRD
-
--[[linux-2.6.33/CONFIG_BLK_DEV_INITRD]]
if (initrd_start && !initrd_below_start_ok &&
page_to_pfn(virt_to_page((void *)initrd_start)) < min_low_pfn) {
-
--[[linux-2.6.33/initrd_start(global)]]
-
--[[linux-2.6.33/initrd_below_start_ok(global)]]
-
--[[linux-2.6.33/page_to_pfn()]]
-
--[[linux-2.6.33/virt_to_page()]]
-
--[[linux-2.6.33/min_low_pfn(global)]]
printk(KERN_CRIT "initrd overwritten (0x%08lx < 0x%08lx) - "
"disabling it.\n",
page_to_pfn(virt_to_page((void *)initrd_start)),
min_low_pfn);
initrd_start = 0;
}
#endif
page_cgroup_init();
enable_debug_pagealloc();
-
--[[linux-2.6.33/page_cgroup_init()]]
-
--[[linux-2.6.33/enable_debug_pagealloc()]]
kmemtrace_init();
kmemleak_init();
-
--[[linux-2.6.33/kmemtrace_init()]]
-
--[[linux-2.6.33/kmemleak_init()]]
debug_objects_mem_init();
idr_init_cache();
setup_per_cpu_pageset();
-
--[[linux-2.6.33/debug_objects_mem_init()]]
-
--[[linux-2.6.33/idr_init_cache()]]
-
--[[linux-2.6.33/setup_per_cpu_pageset()]]
numa_policy_init();
-
--[[linux-2.6.33/numa_policy_init()]]
if (late_time_init)
late_time_init();
-
--[[linux-2.6.33/late_time_init()]]
sched_clock_init();
calibrate_delay();
pidmap_init();
anon_vma_init();
-
--[[linux-2.6.33/sched_clock_init()]]
-
--[[linux-2.6.33/calibrate_delay()]]
-
--[[linux-2.6.33/pidmap_init()]]
-
--[[linux-2.6.33/anon_vma_inir()]]
#ifdef CONFIG_X86
-
--[[linux-2.6.33/CONFIG_X86]]
if (efi_enabled)
efi_enter_virtual_mode();
-
--[[linux-2.6.33/efi_enabled(global)]
-
--[[linux-2.6.33/efi_enter_virtual_mode()]]
#endif
thread_info_cache_init();
cred_init();
fork_init(totalram_pages);
-
--[[linux-2.6.33/thread_info_cache_init()]]
-
--[[linux-2.6.33/cred_init()]]
-
--[[linux-2.6.33/fork_inir()]]
-
--[[linux-2.6.33/totalram_pages(global)]]
proc_caches_init();
buffer_init();
key_init();
radix_tree_init();
-
--[[linux-2.6.33/proc_caches_init()]]
-
--[[linux-2.6.33/buffer_init()]]
-
--[[linux-2.6.33/key_init()]]
-
--[[linux-2.6.33/radix_tree_init()]]
security_init();
-
--[[linux-2.6.33/security_init()]]
vfs_caches_init(totalram_pages);
-
--[[linux-2.6.33/vfs_caches_init()]]
signals_init();
-
--[[linux-2.6.33/signals_init()]]
/* rootfs populating might need page-writeback */
page_writeback_init();
-
--[[linux-2.6.33/]]
--[[linux-2.6.33/page_writeback_init()]]
#ifdef CONFIG_PROC_FS
-
--[[linux-2.6.33/]]
--[[linux-2.6.33/CONFIG_PROC_FS]]
proc_root_init();
-
--[[linux-2.6.33/]]
--[[linux-2.6.33/proc_root_init()]]
#endif
cgroup_init();
cpuset_init();
taskstats_init_early();
delayacct_init();
-
--[[linux-2.6.33/cgroup_init()]]
-
--[[linux-2.6.33/cpuset_init()]]
-
--[[linux-2.6.33/taskstats_init_early()]]
-
--[[linux-2.6.33/delayacct_init()]]
check_bugs();
-
--[[linux-2.6.33/check_bugs()]]
acpi_early_init(); /* before LAPIC and SMP init */
sfi_init_late();
-
--[[linux-2.6.33/acpi_early_init()]]
-
--[[linux-2.6.33/sfi_init_late()]]
ftrace_init();
-
--[[linux-2.6.33/ftrace_init()]]
/* Do the rest non-__init'ed, we're now alive */
rest_init();
-
--[[linux-2.6.33/rest_init()]]
}
*コメント [#t89122f3]
![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
