> Am 11.04.2015 um 23:46 schrieb Andreas Färber <afaer...@suse.de>: > >> Am 11.04.2015 um 23:33 schrieb Peter Maydell: >>> On 11 April 2015 at 21:28, Andreas Färber <afaer...@suse.de> wrote: >>> Are you sure that QEMU / runcom / pi_10.com still try to map to that >>> address zero? >> >> It's the first thing runcom.c's main() does after checking you've >> passed it enough command line arguments. > > This? > > vm86_mem = mmap((void *)0x00000000, 0x110000, > PROT_WRITE | PROT_READ | PROT_EXEC, > MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); > if (vm86_mem == MAP_FAILED) { > perror("mmap"); > exit(1); > } > > For whatever reason it does not take the MAP_FAILED path here...
Wasn't a NULL argument for the address a hint saying "map wherever you please"? I also feel like I'm missing context here - what exactly is broken? Alex > > But I can certainly live with dropping this patch, it's the last for a > reason. :) > > Andreas > > -- > SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany > GF: Felix Imendörffer, Jane Smithard, Jennifer Guild, Dilip Upmanyu, > Graham Norton; HRB 21284 (AG Nürnberg)