init_overview.md

Overview of the init process

From main.c on the OS init is mostly the same for all OS configs (e.g. SBI yes/no):

• parse the device three binary
  • gets the memory map
  • gets supported devices to pass on to init of the memory management to map known devices, also to init them later (see struct Devices_List)
• init console for printk().
• init memory_management
• init processes
• init timer interrupts
• init_filesystem part 1
• init all remaining devices
• init_userspace
  • will create the first user space process
  • will start part 2 of init_filesystem
• all harts start in the scheduler (see scheduling)
  • See also life_cycle_cpu.

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Overview: kernel

Boot: boot_process | init_overview

See also: life_cycle_cpu life_cycle_user_application