Re: [PATCH v4 25/25] coresight: Add support for v8.4 SelfHosted tracing

2020-11-20 Thread Suzuki K Poulose
On 11/19/20 5:22 PM, Catalin Marinas wrote: On Thu, Nov 19, 2020 at 04:45:47PM +, Suzuki K Poulose wrote: From: Jonathan Zhou v8.4 tracing extensions added support for trace filtering controlled by TRFCR_ELx. This must be programmed to allow tracing at EL1/EL2 and EL0. The timestamp used

Re: [PATCH v4 25/25] coresight: Add support for v8.4 SelfHosted tracing

2020-11-19 Thread Catalin Marinas
On Thu, Nov 19, 2020 at 04:45:47PM +, Suzuki K Poulose wrote: > From: Jonathan Zhou > > v8.4 tracing extensions added support for trace filtering controlled > by TRFCR_ELx. This must be programmed to allow tracing at EL1/EL2 and > EL0. The timestamp used is the virtual time. Also enable

[PATCH v4 25/25] coresight: Add support for v8.4 SelfHosted tracing

2020-11-19 Thread Suzuki K Poulose
From: Jonathan Zhou v8.4 tracing extensions added support for trace filtering controlled by TRFCR_ELx. This must be programmed to allow tracing at EL1/EL2 and EL0. The timestamp used is the virtual time. Also enable CONTEXIDR_EL2 tracing if we are running the kernel at EL2. Cc: Catalin Marinas