IMR_REGISTER_SPACING  703 arch/mips/include/asm/sibyte/sb1250_regs.h #define A_IMR_MAPPER(cpu) (A_IMR_CPU0_BASE+(cpu)*IMR_REGISTER_SPACING)
IMR_REGISTER_SPACING  730 arch/mips/include/asm/sibyte/sb1250_regs.h     (A_IMR_CPU0_BASE + (cpu * IMR_REGISTER_SPACING) + reg)