Re: [PATCH v3 00/26] coresight: Support for ETM system instructions

2020-10-29 Thread Suzuki K Poulose
On 10/29/20 7:53 AM, Mike Leach wrote: Hi Suzuki, On Wed, 28 Oct 2020 at 22:10, Suzuki K Poulose wrote: CoreSight ETMv4.4 obsoletes memory mapped access to ETM and mandates the system instructions for registers. This also implies that they may not be on the amba bus. Right now all the

Re: [PATCH v3 00/26] coresight: Support for ETM system instructions

2020-10-29 Thread Mike Leach
Hi Suzuki, On Wed, 28 Oct 2020 at 22:10, Suzuki K Poulose wrote: > > CoreSight ETMv4.4 obsoletes memory mapped access to ETM and > mandates the system instructions for registers. > This also implies that they may not be on the amba bus. > Right now all the CoreSight components are accessed via

[PATCH v3 00/26] coresight: Support for ETM system instructions

2020-10-28 Thread Suzuki K Poulose
CoreSight ETMv4.4 obsoletes memory mapped access to ETM and mandates the system instructions for registers. This also implies that they may not be on the amba bus. Right now all the CoreSight components are accessed via memory map. Also, we have some common routines in coresight generic code

[PATCH v3 00/26] coresight: Support for ETM system instructions

2020-10-28 Thread Suzuki K Poulose
CoreSight ETMv4.4 obsoletes memory mapped access to ETM and mandates the system instructions for registers. This also implies that they may not be on the amba bus. Right now all the CoreSight components are accessed via memory map. Also, we have some common routines in coresight generic code