On Mon, 2014-02-10 at 15:19 +0000, Joerg Albert wrote: > Hi, > > I've recently compiled U-Boot (fsl-sdk-v1.3.2) for P2041RDB and had a > problem with ARP requests flooding if the peer was not there. > It turned out that NetArpWaitTimerStart was not relocated to RAM, but > remained in flash, so it couldn't be updated. > > Looking at the global offset table, it looks like the linker generates (by > default) a new layout, without _GLOBAL_OFFSET_TABLE_ [-1] == blrl (as > required by the EABI) and NetArpWaitTimerStart is the entry at > _GLOBAL_OFFSET_TABLE_ [-1]. > u-boot.lds still assumes the blrl in the GOT. > > Putting a > > LDFLAGS_FINAL += --bss-plt
Do you mean -mbss-plt? > into board/freescale/p2041rdb/config.mk > > brought the blrl instruction in the GOT back and solved the ARP problem. > > I compiled v2014.01-116-g0c57033 for P2041RDB without --bss-plt and the blrl > was missing in the GOT as well. > > --bss-plt is rarely documented, will it cause some other problems? > > Are gcc 4.8.x and binutils 2.23.1 recommended to use with U-Boot or shall we > stick to older versions? For the SDK U-Boot, it's best to use the toolchain that came with the SDK. For mainline U-Boot, please submit a patch. -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot