diff options
| 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-sysfs.c | |
| parent | coresight: etm4x: Add support for ThunderX2 (diff) | |
| download | linux-dev-057f2c57b08d0a7e87b022d05b1d4f7173bd4735.tar.xz linux-dev-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-sysfs.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-etm4x-sysfs.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c index 219c10eb752c..b6984be0c515 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-sysfs.c @@ -738,7 +738,7 @@ static ssize_t s_exlevel_vinst_show(struct device *dev, struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etmv4_config *config = &drvdata->config; - val = BMVAL(config->vinst_ctrl, 16, 19); + val = (config->vinst_ctrl & ETM_EXLEVEL_S_VICTLR_MASK) >> 16; return scnprintf(buf, PAGE_SIZE, "%#lx\n", val); } @@ -754,8 +754,8 @@ static ssize_t s_exlevel_vinst_store(struct device *dev, return -EINVAL; spin_lock(&drvdata->spinlock); - /* clear all EXLEVEL_S bits (bit[18] is never implemented) */ - config->vinst_ctrl &= ~(BIT(16) | BIT(17) | BIT(19)); + /* clear all EXLEVEL_S bits */ + config->vinst_ctrl &= ~(ETM_EXLEVEL_S_VICTLR_MASK); /* enable instruction tracing for corresponding exception level */ val &= drvdata->s_ex_level; config->vinst_ctrl |= (val << 16); @@ -773,7 +773,7 @@ static ssize_t ns_exlevel_vinst_show(struct device *dev, struct etmv4_config *config = &drvdata->config; /* EXLEVEL_NS, bits[23:20] */ - val = BMVAL(config->vinst_ctrl, 20, 23); + val = (config->vinst_ctrl & ETM_EXLEVEL_NS_VICTLR_MASK) >> 20; return scnprintf(buf, PAGE_SIZE, "%#lx\n", val); } @@ -789,8 +789,8 @@ static ssize_t ns_exlevel_vinst_store(struct device *dev, return -EINVAL; spin_lock(&drvdata->spinlock); - /* clear EXLEVEL_NS bits (bit[23] is never implemented */ - config->vinst_ctrl &= ~(BIT(20) | BIT(21) | BIT(22)); + /* clear EXLEVEL_NS bits */ + config->vinst_ctrl &= ~(ETM_EXLEVEL_NS_VICTLR_MASK); /* enable instruction tracing for corresponding exception level */ val &= drvdata->ns_ex_level; config->vinst_ctrl |= (val << 20); |