OS_MMUControl 1 Flags

Flags

Bits	Meaning
0-7	1
28	Drain write buffer
29	Flush one entry (otherwise complete flush)
30	Flush processor TLBs
31	Flush processor caches
All other bits are reserved, and must be zero

Bit 29 is currently unimplemented and ignored in all RISCOS versions.

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RISC OS is an Open Source operating system owned by RISC OS Developments Ltd and licensed primarily under the Apache 2.0 license.