BSP Developer Training Internal

Wiki is center of universe

• Watch pages
• Private:
  • Admin Howtos
  • Combining_BSP_Components
  • Deos_Maintainer_Build_In_OpenArbor
  • Patchfile_howto
  • X9
• Shared IP
  • HowTos
    • Configuration Management How-to
    • Problem Reporting
    • Software Change
    • Software Release
  • viewSCM

Background

• Have you read DO-178C?
• Component Descriptions
  • kernel
  • boot
  • PAL
• Additional Considerations
  • ABC
  • Deactivated and dead code.

Customer View

https://ddci.zapto.org/scm/Deos/products/bsp/dev-kit/branches/mainline/BSP-customer-interview.txt

• boot interface
• hypstart is like Linux initrd
  • the kernel bundled in such a way that it can be trivially started (bootstrapped) into a running environment
• KFS (two types LFS, MFS) read only, RAM based, Deos proprietary, file system images

Topics for Deos BSP Maintainer Training:

• Types of BSPs - Reference/BareMetal/VerifiedP1/Verified
• Work Flow for Reference BSP, BareMetal, VerifiedP1, and Verification
• BSP Training for Customers
  • Boot Design
  • PAL Design (timers required for scheduling, interrupts, extension library, etc)
• Dev-kit (boot/pal)
• BSP Integration
  • Memory map (scripts to generate it, errors, overlaps, etc)
  • Integration files (pi, cd, fp, basecon.hyp etc)
  • openarbor.options (inside OpenArbor becomes .options)
• Common build infrastructure (see Common-Makefile-HowTo.htm)
• Lauterbach: Some notes from Deos developers can be found at: Lauterbach_Emulators More intensive training may be available directly from the Lauterbach.
• uboot (1/2 day or less - every experience is different, so you have to figure it out as you go)
• Requirements levied by the kernel:
  • $DESKHOME/help/deos-pal-software-requirements.htm
  • $DESKHOME/help/deos-boot-software-requirements.htm
• Deos Trace tags 1/2 day
• Adhoc testing is documented in The BSPAdhocTesting.txt
  • Testing Boots
    • Throughput test
  • Testing Pals
  • Testing Network Drivers
• ABC (Structural Coverage Tool)
• PRLs
• Processor architecture differences, and how these differences impact BSP development
  • EL levels vs hypervisor/supervisor/user modes
  • Interrupt structure
  • Boot loaders
  • Assembly language
  • Common reference manuals, BSP specific manuals are usually in the BSP itself.
• Open Arbor (limited usefulness for BSPs, but good for other components)
• Being a Deos Maintainer: Creating/using PCRs, Subversion, Wikis, etc (Optional if team desires but this is generally self-directed training)
• Location of reference materials