Architecture-specific doc

• ARC
• ARM64
  • Summary
  • Notes
  • Contributors
• Arm FF-A Support
  • Summary
  • FF-A and SMC specifications
  • Supported hardware
  • Configuration
  • FF-A ABIs under the hood
  • FF-A bus discovery on Arm 64-bit platforms
  • Requirements for clients
  • Requirements for user drivers
  • The bus driver layer
  • Relationship between the sandbox emulator and the FF-A device
  • The armffa command
  • Example of boot logs with FF-A enabled
  • Contributors
• M68K / ColdFire
  • History
  • Overview
  • Supported CPU families
  • Supported boards
  • Adopted toolchains
  • ColdFire specific configuration options/settings
• MIPS
  • Toolchains
  • Known Issues
  • TODOs
• Nios II
• RISC-V
  • Overview
  • Typical Boot Process
  • Toolchain
• Sandbox
  • Sandbox
  • Sandbox block devices (implementation)
• SuperH
  • What’s this?
  • Overview
  • Supported CPUs
  • Supported Boards
  • Compiler
  • Future
• x86
  • Status
  • Build Instructions for U-Boot as BIOS replacement (bare mode)
  • CPU Microcode
  • SMP Support
  • Driver Model
  • Device Tree
  • Useful Commands
  • Booting Ubuntu
  • Test with SeaBIOS
  • Development Flow
  • Porting Hints
  • ACPI Support Status
  • EFI Support
  • Chain-loading
  • SMBIOS tables
  • TODO List
• Xtensa
  • Xtensa Architecture and Diamond Cores
  • Adding support for an additional processor configuration
  • Global Data Pointer, Exported Function Stubs, and the ABI
  • Access to Invalid Memory Addresses