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Processors
- Pretty OK if GCC supports it - but:
- * Got to have modern binary format support (ELF)
- * Linus makes some presumptions (structure layout)
- Memory managment
- * Needs ability to support virtual memory
- * ELKS and co. can get on without it
- Differences within families
- * e.g. MIPS 32/64 bit
- * Endianness (Cray T3)
- Caching