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Minix no longer quite so miniMinix no longer quite so miniPosted Mar 12, 2012 18:12 UTC (Mon) by leoc (subscriber, #39773)In reply to: Minix no longer quite so mini by smoogen Parent article: MINIX 3.2: A microkernel with NetBSD applications Arduino. A low cost Uno board has 32kb of ram and is nonetheless quite popular.
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Minix no longer quite so mini Posted Mar 12, 2012 19:21 UTC (Mon) by Cyberax (✭ supporter ✭, #52523) [Link]
Arduino is hardly 'low cost'. For the price of an Arduino board with stone-age technology CPU one can get a nice real modern CPU with at least 4-16Mb of RAM.
Minix no longer quite so mini Posted Mar 12, 2012 19:36 UTC (Mon) by andreasb (subscriber, #80258) [Link]
The µC on an Arduino Uno has only 2 kB of RAM. It does have 32 kB of on-chip program flash memory.
There's no real dynamic program loading possible (from connected storage or whatever) since it can't execute instructions from RAM. Unless you take the indirection of a script/bytecode interpreter or outright emulation of a different CPU (there's an AVR based CP/M project out there that emulates a 8080 with external DRAM).
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