Re: [Qemu-devel] [PATCH v2 0/5] target/m68k: implement 680x0 FPU (part 3)

2017-12-05 Thread william lin
On Wed, Nov 29, 2017 at 9:19 AM, Thomas Huth wrote: > On 29.11.2017 15:17, Laurent Vivier wrote: > > Le 29/11/2017 à 15:08, Thomas Huth a écrit : > >> On 29.11.2017 14:59, Peter Maydell wrote: > >>> On 29 November 2017 at 13:42, Laurent Vivier > wrote: > these functions come from: > >

Re: [Qemu-devel] [PATCH v2 0/5] target/m68k: implement 680x0 FPU (part 3)

2017-12-05 Thread william lin
On Tue, Dec 5, 2017 at 2:01 PM, Laurent Vivier wrote: > Le 05/12/2017 à 18:42, Andreas Grabher a écrit : > > > > Am 05.12.2017 um 10:46 schrieb Laurent Vivier > <mailto:laur...@vivier.eu>>: > > > >> Le 05/12/2017 à 09:56, william lin a écrit : > >

[Qemu-devel] [Bug 645662] x87 fpu emulation not accurate enough

2017-11-29 Thread william lin
Hello, I have been looking into this bug for a school project, and after reproducing the bug and tracing through the code, I have run into a wall trying to figure out the best way to approach this. If there is anyone who is familiar with qemu's fpu and

Re: [Qemu-devel] [Bug 645662] x87 fpu emulation not accurate enough

2017-11-29 Thread william lin
estsuites. It's about some precision issue with trigonometric tests. I didn't had time to figure out what happen neither what is really going wrong. eg: trigonometric function or? A quick workaround is to use KVM when possible. Fred On 11/29/2017 09:34 AM, william lin wrote: > He

[Qemu-devel] UT Austin Virtualization project

2017-11-10 Thread william lin
Hi all, My name is William Lin. I am an undergrad student at UT Austin and for our virtualization class we have to contribute to a open source repo related to virtualization. I am working in a group of two with about a month of time. We are both comfortable with virtualization concepts and

Re: [Qemu-devel] [PATCH v2 0/5] target/m68k: implement 680x0 FPU (part 3)

2017-12-15 Thread william lin
Hi, Does anyone know what is the status on this patch? In particular I need the code from the later patches in Laurent's tree (sin, cos, etc..) to fix the x87 fpu bug. >From what I understand, there shouldn't be any licensing issue with the code as implementation's algorithm was taken from the ve