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authorMike Leach <mike.leach@linaro.org>2019-11-04 21:12:41 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-11-04 23:57:53 +0300
commit057f2c57b08d0a7e87b022d05b1d4f7173bd4735 (patch)
treede3aaf9bdd6cffb88f3f8333748714b281fa0148 /drivers/hwtracing/coresight/coresight-etm4x.c
parent0373d90639ef45c419d14131c3037436b05c4243 (diff)
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.c5
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;
}