Messages in this thread | | | Subject | Re: Reg Sparc memory addresses | From | Shanti Katta <> | Date | 26 Sep 2002 13:54:57 -0400 |
| |
On Wed, 2002-09-25 at 21:56, Ben Collins wrote: > On Wed, Sep 25, 2002 at 10:01:15PM -0400, Shanti Katta wrote: > > Hi, > > I compiled user-mode-linux kernel on Ultrasparc with load address set to > > 00000000e0000000. But, when I try to debug the kernel, it just says > > cannot access memory at address 0xa00020b0. > > This error message remains the same no matter what I change the load > > address to. Can anyone guide me on valid memory addresses for userspace > > on Sparc? and how much different is that from x86 architecture? > > You compiled it on ultrasparc, but I hope you compiled it as a "sparc" > target and not "sparc64".
I compiled UML as "sparc64".
> I'm not familiar with how UML runs in user space, but I suspect it needs > to think it is sparc and not sparc64 for it to run in 32bit sparc > userspace (which is what ultrasparc runs at for most cases). > So, I guess I need to compile UML as "sparc" target and debug it. I am not sure how much of UML code runs in kernelspace and how much in userspace. So, do I need to compile only the userspace code for UML as "sparc" target or the whole of UML?
-Shanti
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |