Re: [Qemu-devel] [PATCH v4 04/21] target-arm: Provide correct syndrome information for cpreg access traps

2014-03-17 Thread Peter Maydell
On 17 March 2014 03:05, Peter Crosthwaite wrote: > On Fri, Mar 7, 2014 at 5:32 AM, Peter Maydell > wrote: >> For exceptions taken to AArch64, if a coprocessor/system register >> access fails due to a trap or enable bit then the syndrome information >> must include details of the failing instruct

Re: [Qemu-devel] [PATCH v4 04/21] target-arm: Provide correct syndrome information for cpreg access traps

2014-03-16 Thread Peter Crosthwaite
On Fri, Mar 7, 2014 at 5:32 AM, Peter Maydell wrote: > For exceptions taken to AArch64, if a coprocessor/system register > access fails due to a trap or enable bit then the syndrome information > must include details of the failing instruction (crn/crm/opc1/opc2 > fields, etc). Make the decoder co

[Qemu-devel] [PATCH v4 04/21] target-arm: Provide correct syndrome information for cpreg access traps

2014-03-06 Thread Peter Maydell
For exceptions taken to AArch64, if a coprocessor/system register access fails due to a trap or enable bit then the syndrome information must include details of the failing instruction (crn/crm/opc1/opc2 fields, etc). Make the decoder construct the syndrome information at translate time so it can b