MIPS_CPU_CTXTC
# define cpu_has_contextconfig __opt(MIPS_CPU_CTXTC)
#define cpu_guest_has_contextconfig (cpu_data[0].guest.options & MIPS_CPU_CTXTC)
#define cpu_guest_has_dyn_contextconfig (cpu_data[0].guest.options_dyn & MIPS_CPU_CTXTC)
c->options |= MIPS_CPU_RIXI | MIPS_CPU_CTXTC;
c->options |= MIPS_CPU_CTXTC;
c->guest.options |= MIPS_CPU_CTXTC;
c->guest.options_dyn |= MIPS_CPU_CTXTC;