Crate dbs_boot

Constants, Structs and Utilities to setup boot environment for virtual machines.

Modules

• bootparam
  Guest boot parameters used for config guest information.
• layout
  Magic addresses externally used to lay out x86_64 VMs.
• mpspec
  Structure definitions for SMP machines following the Intel Multiprocessing Specification 1.1 and 1.4. Structure definitions for SMP machines following the Intel Multiprocessing Specification 1.1 and 1.4.
• mptable
  MP Table configurations used for defining VM boot status. MP Table configurations used for defining VM boot status.

Structs

• BootParamsWrapper
  Boot parameters wrapper for ByteValue trait
• InitrdConfig
  Type for passing information about the initrd in the guest memory.

Enums

• Error
  Errors thrown while configuring x86_64 system.

Constants

• PAGE_SIZE
  Default (smallest) memory page size for the supported architectures.

Functions

• add_e820_entry
  Add an e820 region to the e820 map. Returns Ok(()) if successful, or an error if there is no space left in the map.
• get_descriptor_config_info
  Get information to configure GDT/IDT.
• get_kernel_start
  Returns the memory address where the kernel could be loaded.
• initrd_load_addr
  Returns the memory address where the initrd could be loaded.
• setup_identity_mapping
  Initialize the 1:1 identity mapping table for guest memory range [0..1G).

Type Definitions

• Result
  Specialized std::result::Result for boot related operations.