Re: [Qemu-devel] Help getting an qemu-alpha environment to work

2010-04-27 Thread Richard Henderson
On 04/26/2010 11:00 PM, q...@zensonic.dk wrote: 1. avoid the problem? (Give the guest a larger valid address space) Assuming that you don't have a guest program that (ab)uses the known unused high bits of the address for type tagging pointers (common in some lisp and virtual machine

Re: [Qemu-devel] Help getting an qemu-alpha environment to work

2010-04-26 Thread qemu
There's a problem with the current implementation of mmap in linux-user such that it can return addresses that are outside the valid address space of the guest. How do I, either 1. avoid the problem? (Give the guest a larger valid address space) 2. Fix the problem ? (Could you give 4 lines

[Qemu-devel] Help getting an qemu-alpha environment to work

2010-04-24 Thread qemu
Hi There I am new to qemu development but wanted to give a hand with the alpha port. Unfortinuatly it is not that easy to get the initial development environment up and running. So I ask you for help I downloaded qemu 0.12.50 using git. That compiled cleanly on ubuntu 9.10, including qemu-alpha

Re: [Qemu-devel] Help getting an qemu-alpha environment to work

2010-04-24 Thread Richard Henderson
On 04/24/2010 08:51 AM, q...@zensonic.dk wrote: I was a bit surprised not being greeted with hello world, so I ran: $ ../../alpha-linux-user/qemu-alpha -strace hello-alpha 17682 write(1,0,536871368) = -1 errno=14 (Bad address) 17682 exit(0) There's a problem with the current implementation