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TMS320F280025: how to limit the system stack size regarding RAMM1_RSVD ramge?

Part Number: TMS320F280025
Other Parts Discussed in Thread: TIDM-1001

According to the errata advisory "Memory: Prefetching Beyond Valid Memory",  addresses 0x7F8–0x7FF should not be used for RAMM1, so we saw RAMM1_RSVD       : origin = 0x000007F8, length = 0x00000008 in the CMD of the example projects. However, in the TIDM-1001 project, it still uses RAMM1            : origin = 0x00000400, length = 0x00000400, so it is incorrect, right? 

In the properties, Build>>C2000 Linker>>Basic Options, we need to set the C system stack size, it should be limited within 0x3F8, since .stack is allocated to RAMM1. Is that correct?