cpu.ppc: stick old stack pointer in a register for use by callbacks
cpu.ppc: stick old stack pointer in a register for use by callbacks
erg/factor,cataska/factor,erg/factor,ceninan/factor,ceninan/factor,erg/factor,mcandre/factor,ceninan/factor,erg/factor,erg/factor,kingcons/factor,mcandre/factor,kingcons/factor,cataska/factor,erg/factor,mcandre/factor,mcandre/factor,mcandre/factor,ceninan/factor,cataska/factor,kingcons/factor,mcandre/factor,erg/factor,mcandre/factor,kingcons/factor,cataska/factor