================================================================== Multi Platform Firmware ================================================================== ================================================================== 0. Objective: ================================================================== - Optimized for each target. - EPM/GPT compilant. - AMD64, PowerPC, RISC-V, 64x0, 32x0 support. - SMP support. ================================================================== 1. Solutions: ================================================================== - Abstract Memory and I/O. (pci-tree) - Platform Independent Device Tree. (pci-tree) - Common Starting point for each core (smp) ================================================================== 2. Memory Layout: ================================================================== - 0x80000000/0x00FF/0x0000: Firmware Startup Code - 0x90000000/0x7c00: Linear Header or EPM partition. ================================================================== 3. Error Codes: ================================================================== - CB0001: Not bootable to Stage2 (or bootloader). - CB0003: Bad arch. - CB0002: Context returned early.