Re: [Qemu-devel] bug in new ubfx code

2017-01-13 Thread Richard Henderson
On 01/13/2017 09:27 AM, Ard Biesheuvel wrote: > Hi all, > > I tracked down a boot issue I was having with running the kernel under > AArch64 system emulation to commit > > It appears that ubfx is executing incorrectly: the following code > > .global _start > _start: > mov x1, #0x1124 >

Re: [Qemu-devel] bug in new ubfx code

2017-01-13 Thread Ard Biesheuvel
On 13 January 2017 at 17:27, Ard Biesheuvel wrote: > Hi all, > > I tracked down a boot issue I was having with running the kernel under > AArch64 system emulation to commit > 59a71b4c5b4e target-arm: Use new deposit and extract ops > It appears that ubfx is executing

[Qemu-devel] bug in new ubfx code

2017-01-13 Thread Ard Biesheuvel
Hi all, I tracked down a boot issue I was having with running the kernel under AArch64 system emulation to commit It appears that ubfx is executing incorrectly: the following code .global _start _start: mov x1, #0x1124 ubfx x2, x1, #28, #4 built with aarch64-linux-gnu-gcc -o