EXCEPTION_T_STORE_SP  141 arch/openrisc/kernel/head.S #define EXCEPTION_T_STORE_SP		l.mtspr r0,r1,SPR_SHADOW_GPR(1)
EXCEPTION_T_STORE_SP  151 arch/openrisc/kernel/head.S #define EXCEPTION_T_STORE_SP		l.sw    0x80(r0),r1