MSR_EE 116 kernel/arch/ppc32/include/arch/asm.h msr_write(ipl | MSR_EE); MSR_EE 131 kernel/arch/ppc32/include/arch/asm.h msr_write(ipl & (~MSR_EE)); MSR_EE 144 kernel/arch/ppc32/include/arch/asm.h msr_write((msr_read() & (~MSR_EE)) | (ipl & MSR_EE)); MSR_EE 166 kernel/arch/ppc32/include/arch/asm.h return ((msr_read() & MSR_EE) == 0);HelenOS homepage, sources at GitHub