Linux Kernel : From boot to platform_bus_init()

from boot to platform_bus_init.txt

@startuml
participant "head.S"
participant "init/main.c"
participant "init/main.c (New kernel thread)"

head.S  -> "init/main.c": start_kernel()
activate  "init/main.c"
"init/main.c"  -> "init/main.c": arch_call_rest_init()
activate  "init/main.c"
"init/main.c"  -> "init/main.c": rest_init();
activate  "init/main.c"
"init/main.c"  -> "init/main.c": kernel_thread(kernel_init);
activate  "init/main.c"
"init/main.c"  -> "init/main.c (New kernel thread)": kernel_init();
activate "init/main.c (New kernel thread)"
deactivate  "init/main.c"
deactivate  "init/main.c"
deactivate  "init/main.c"
deactivate  "init/main.c"
"init/main.c (New kernel thread)" -> "init/main.c (New kernel thread)":kernel_init_freeable()
activate "init/main.c (New kernel thread)"
"init/main.c (New kernel thread)" -> "init/main.c (New kernel thread)": do_basic_setup()
activate "init/main.c (New kernel thread)"
"init/main.c (New kernel thread)" -> "init/main.c (New kernel thread)": driver_init()
activate "init/main.c (New kernel thread)"
"init/main.c (New kernel thread)" -> "init/main.c (New kernel thread)": platform_bus_init()
activate "init/main.c (New kernel thread)"
deactivate "init/main.c (New kernel thread)"
deactivate "init/main.c (New kernel thread)"
deactivate "init/main.c (New kernel thread)"
deactivate "init/main.c (New kernel thread)"
deactivate "init/main.c (New kernel thread)"
@enduml