[ECOS] ARM arch: unknown asm insn "mrc" in v5T_semantics()

[Heiko Panther]

Mark Salter wrote:

> In general, I'm pretty uncomfortable with running the stub code in thumb
> mode. For most ARM CPUs, the cache flushes done in the stub use co-proc
> insns not available in thumb mode. There are also those CPUs with h/w
> breakpoint/watchpoint support which require the stub to use non-thumb
> insns to manipulate.

Would it be possible to provide macros for switching to ARM mode and 
back for these cases? I would be more comfortable with that then, say, 
compile certain files without -mthumb and enable thumb interworking. How 
do you do it now? Do you use thumb code at all?

Heiko

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