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interrupt-callout vector from mips locore dispatch code to port code. * Move branch-emulation declaration to mips/include/trap.h. * Garbage-collect pmax/pmax/trap.h. Not needed now pmax/pmax_trap.c is gone, and after above tidy-up.
interrupt-callout vector from mips locore dispatch code to port code. * Move branch-emulation declaration to mips/include/trap.h. * Garbage-collect pmax/pmax/trap.h. Not needed now pmax/pmax_trap.c is gone, and after above tidy-up.