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Delivering a secure and fast boot experience with uefi

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Delivering a secure and fast boot experience with uefi

  1. 1. Improving the bootexperience
  2. 2. Service & App POST OS Initialization Initialization Service &POST App Init
  3. 3. Post with highest supported Seamless single graphicsnative resolution transition from firmware to Clean, high-resolution branding native OS driver elements persist through OS boot OEM OEM Logo Logo Device POST Hiber Resume Explorer Init. Init. 2s 4s 6s 7s
  4. 4. Enhancing security
  5. 5. POST Windows Logon Early Launch Firmware BootMgr Boot Critical NTOS Kernel Anti-malware OK? OK? Drivers OK? OK? (ELAM) Last Resort Secure Boot UEFI Remediation / Factory Reset Recovery? Recovery Enterprise PXE External media Contact SupportFirmware Last Resort Reboot
  6. 6. Design guidance
  7. 7. Windows OS BIOS UEFI Win32/NT APIs UEFI OS Loader OS Loader ACPI Driver UEFI Runtime Services Compatibility Support Module (CSM) ACPI ACPI Legacy BIOS ACPI BIOS Registers Tables Platform Specific UEFI FirmwareFirmware System Hardware
  8. 8. Interface Legacy BIOS UEFI Architecture x86 / X64 only Agnostic Mode 16 bit (real mode) 32/64 bit Boot Partition MBR (2.2 TB limit) GPT (9.4 ZB* limit) Runtime Services No Yes Driver model No Yes POST Graphics VGA Graphical Output Protocol (GOP)* A zettabyte is equal to 1B terabytes. The total amount of global data was expected to pass 1.2 ZB sometime during 2010.
  9. 9. Recap
  10. 10. http://forums.dev.windows.comhttp://bldw.in/SessionFeedback
  11. 11. http://www.uefi.org/http://www.trustedcomputinggroup.org/ http://www.tianocore.sourceforge.net http://msdn.microsoft.com/en-us/windows/hardware/gg463149 http://msdn.microsoft.com/ http://www.intel.com/intelpress/sum_efi.htm
  12. 12. BACKUP
  13. 13. 38.2% from top to middle of logo Max 40% Max 40%This space reserved for OS