Re: Mapping between Coprocessor interface and architecture. (proc-arm6,7.S)

[Russell King - ARM Linux Admin]

S A McConnell writes:
> Not being an expert on ARM cpu's and architectures can someone tell me
> if the coprocessor interface (p15) is part of the CPU (ARM6, ARM7)or
> part of the architecture (v3, v4, v4T)?

Yes it is.

> Which of the two forms below should be used
> ENTRY(cpu_arm720T_reset)
>   mov r0, #0
>   mcr p15, 0, r0, c7, c0, 0  @ flush cache
>   mcr p15, 0, r0, c8, c7, 0  @ flush TLB (v4)
>   mov pc, lr

This one.
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