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| author | Mike Leach <mike.leach@linaro.org> | 2019-11-04 11:12:41 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-04 21:57:53 +0100 |
| commit | 057f2c57b08d0a7e87b022d05b1d4f7173bd4735 (patch) | |
| tree | de3aaf9bdd6cffb88f3f8333748714b281fa0148 /drivers/hwtracing/coresight/coresight-etm4x.c | |
| parent | 0373d90639ef45c419d14131c3037436b05c4243 (diff) | |
| download | lwn-057f2c57b08d0a7e87b022d05b1d4f7173bd4735.tar.gz lwn-057f2c57b08d0a7e87b022d05b1d4f7173bd4735.zip | |
coresight: etm4x: Fixes for ETM v4.4 architecture updates.
ETMv4.4 adds in support for tracing secure EL2 (per arch 8.x updates).
Patch accounts for this new capability.
Signed-off-by: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20191104181251.26732-5-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-etm4x.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 8f98701cadc5..efe120925f9d 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -648,6 +648,7 @@ static void etm4_init_arch_data(void *info) * TRCARCHMAJ, bits[11:8] architecture major versin number */ drvdata->arch = BMVAL(etmidr1, 4, 11); + drvdata->config.arch = drvdata->arch; /* maximum size of resources */ etmidr2 = readl_relaxed(drvdata->base + TRCIDR2); @@ -799,6 +800,7 @@ static u64 etm4_get_ns_access_type(struct etmv4_config *config) static u64 etm4_get_access_type(struct etmv4_config *config) { u64 access_type = etm4_get_ns_access_type(config); + u64 s_hyp = (config->arch & 0x0f) >= 0x4 ? ETM_EXLEVEL_S_HYP : 0; /* * EXLEVEL_S, bits[11:8], don't trace anything happening @@ -806,7 +808,8 @@ static u64 etm4_get_access_type(struct etmv4_config *config) */ access_type |= (ETM_EXLEVEL_S_APP | ETM_EXLEVEL_S_OS | - ETM_EXLEVEL_S_HYP); + s_hyp | + ETM_EXLEVEL_S_MON); return access_type; } |