diff options
| author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-04-05 11:53:48 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-01 14:12:14 -0700 |
| commit | 4f6fce54528e0382281cf199635d098e4b108357 (patch) | |
| tree | dbb8047834bae2ffff4c86813fa5c2d8991d4285 /drivers/hwtracing/coresight/coresight-etm4x.h | |
| parent | c38a9ec2b2c12c38abca0b7954ed793f26969835 (diff) | |
coresight: etm4x: implementing user/kernel mode tracing
Adding new mode to limit tracing to kernel or user space.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index f7748ae63451..a291d4cc8bd8 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -176,7 +176,9 @@ #define ETM_MODE_TRACE_RESET BIT(25) #define ETM_MODE_TRACE_ERR BIT(26) #define ETM_MODE_VIEWINST_STARTSTOP BIT(27) -#define ETMv4_MODE_ALL 0xFFFFFFF +#define ETMv4_MODE_ALL (GENMASK(27, 0) | \ + ETM_MODE_EXCL_KERN | \ + ETM_MODE_EXCL_USER) #define TRCSTATR_IDLE_BIT 0 #define ETM_DEFAULT_ADDR_COMP 0 @@ -414,4 +416,5 @@ enum etm_addr_type { }; extern const struct attribute_group *coresight_etmv4_groups[]; +void etm4_config_trace_mode(struct etmv4_config *config); #endif |