Hi All,
Here is an improved patch set for FPU support on the ColdFire V4e.
Much cleaner than the ifdefery for this in the ColdFire/MMU patch
set I sent recently. (So of course this replaces that patch).
Does anyone know why some of the code for using fsave/frestore is
surrounded by ".chip" directives and others are not? For example
in arch/m68k/kernel/process_mm.c you will find this:
__asm__ volatile (".chip 68k/68881\n\t"
"frestore %0\n\t"
".chip 68k" : : "m" (*sc->sc_fpstate));
and you will also find this:
asm volatile ("frestore %0" : : "m" (p->thread.fpstate[0]));
I can use the second form directly on ColdFire, but not the first...
Regards
Greg
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