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Re: [MiNT] Fix wrong size of outgoing packets in the FEC driver
On 05/09/2014 15:46, Andreas Schwab wrote:
Where is that documented? I couldn't find any reference in the CFPRM.
See at the bottom of page 149:
"Only the test-and-set (TAS) instruction can generate a normal mode
access with implied cache mode and precision. TAS is a special,
byte-sized, read-modify-write instruction used in synchronization
routines. A TAS data access that does not hit in the RAMBARs is
non-cacheable and precise. TAS uses the normal effective write protection."
See discussion there: