I am compiling the db1550_defconfig which does define CONFIG_64BIT_PHYS_ADDR. The cross compiler is mipsel generated from crosstool.sh Kyle -----Original Message----- From: Brett Foster [mailto:fosterb@xxxxxxxxxxx] Sent: Friday, October 07, 2005 2:42 PM To: Kyle Unice Cc: linux-mips@xxxxxxxxxxxxxx Subject: Re: Cross-compiling Linux problem Kyle Unice wrote: >arch/mips/mm/tlbex.c:516:5: warning: "CONFIG_64BIT" is not defined > AS arch/mips/mm/tlbex-fault.o > CC arch/mips/mm/ioremap.o >arch/mips/mm/ioremap.c: In function `__ioremap': >include/asm-mips/mach-au1x00/ioremap.h:15: sorry, unimplemented: inlining >failed > in call to '__fixup_bigphys_addr': function body not available >arch/mips/mm/ioremap.c:28: sorry, unimplemented: called from here >make[1]: *** [arch/mips/mm/ioremap.o] Error 1 >make: *** [arch/mips/mm] Error 2 > > I once had this sort of problem when I forgot to specify the cross compiler while invoking make and tried to compile a MIPS kernel on X86 gcc. Brett