Dear all: I try to cross-compile linux on my arm-platform but I always fail at "bl __lookup_processor_type" __lookup_processor_type is a function defined at head-common.s and it seems to load the base address of structs below .long __proc_info_begin .long __proc_info_end 3: .long . .long __arch_info_begin .long __arch_info_end and check the cpu type each one by one. The comment says /* * Look in include/asm-arm/procinfo.h and arch/arm/kernel/arch.[ch] for * more information about the __proc_info and __arch_info structures. */ And there only define the prototype of structs. Where I can get the constants which __lookup_processor_type used to compare? Is it define in arch/arm/mm/proc-xxx? BTW, why the folder name called mm? memory mapping or something else? appreciate your help, miloody -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ