EXCEPTION_LOAD_GPR6  110 arch/openrisc/kernel/head.S #define EXCEPTION_LOAD_GPR6		l.mfspr r6,r0,SPR_SHADOW_GPR(6)
EXCEPTION_LOAD_GPR6  126 arch/openrisc/kernel/head.S #define EXCEPTION_LOAD_GPR6		l.lwz   r6,0x74(r0)