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authorPratik Patel <pratikp@codeaurora.org>2015-05-13 10:34:09 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-24 11:11:20 -0700
commit2e1cdfe184b5202d51e0611d7a051e2bea303946 (patch)
treed400a4689360b0225288056d7205e99dc8d3d815 /drivers/hwtracing
parentf5da7cb24b78f2398c80a3ba25438602a68fc3e4 (diff)
coresight-etm4x: Adding CoreSight ETM4x driver
This driver manages the CoreSight ETMv4 (Embedded Trace Macrocell) IP block to support HW assisted tracing on ARMv7 and ARMv8 architectures. Signed-off-by: Pratik Patel <pratikp@codeaurora.org> Signed-off-by: Kaixu Xia <xiakaixu@huawei.com> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/Kconfig11
-rw-r--r--drivers/hwtracing/coresight/Makefile1
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x.c697
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x.h391
4 files changed, 1100 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig
index fc1f1ae7a49d..8fac01eedee7 100644
--- a/drivers/hwtracing/coresight/Kconfig
+++ b/drivers/hwtracing/coresight/Kconfig
@@ -58,4 +58,15 @@ config CORESIGHT_SOURCE_ETM3X
which allows tracing the instructions that a processor is executing
This is primarily useful for instruction level tracing. Depending
the ETM version data tracing may also be available.
+
+config CORESIGHT_SOURCE_ETM4X
+ bool "CoreSight Embedded Trace Macrocell 4.x driver"
+ depends on ARM64
+ select CORESIGHT_LINKS_AND_SINKS
+ help
+ This driver provides support for the ETM4.x tracer module, tracing the
+ instructions that a processor is executing. This is primarily useful
+ for instruction level tracing. Depending on the implemented version
+ data tracing may also be available.
+
endif
diff --git a/drivers/hwtracing/coresight/Makefile b/drivers/hwtracing/coresight/Makefile
index 4b4bec890ef5..0af28d43465c 100644
--- a/drivers/hwtracing/coresight/Makefile
+++ b/drivers/hwtracing/coresight/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_CORESIGHT_SINK_ETBV10) += coresight-etb10.o
obj-$(CONFIG_CORESIGHT_LINKS_AND_SINKS) += coresight-funnel.o \
coresight-replicator.o
obj-$(CONFIG_CORESIGHT_SOURCE_ETM3X) += coresight-etm3x.o coresight-etm-cp14.o
+obj-$(CONFIG_CORESIGHT_SOURCE_ETM4X) += coresight-etm4x.o
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
new file mode 100644
index 000000000000..169d8011c8b5
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -0,0 +1,697 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/smp.h>
+#include <linux/sysfs.h>
+#include <linux/stat.h>
+#include <linux/clk.h>
+#include <linux/cpu.h>
+#include <linux/coresight.h>
+#include <linux/pm_wakeup.h>
+#include <linux/amba/bus.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <linux/pm_runtime.h>
+#include <asm/sections.h>
+
+#include "coresight-etm4x.h"
+
+static int boot_enable;
+module_param_named(boot_enable, boot_enable, int, S_IRUGO);
+
+/* The number of ETMv4 currently registered */
+static int etm4_count;
+static struct etmv4_drvdata *etmdrvdata[NR_CPUS];
+
+static void etm4_os_unlock(void *info)
+{
+ struct etmv4_drvdata *drvdata = (struct etmv4_drvdata *)info;
+
+ /* Writing any value to ETMOSLAR unlocks the trace registers */
+ writel_relaxed(0x0, drvdata->base + TRCOSLAR);
+ isb();
+}
+
+static bool etm4_arch_supported(u8 arch)
+{
+ switch (arch) {
+ case ETM_ARCH_V4:
+ break;
+ default:
+ return false;
+ }
+ return true;
+}
+
+static int etm4_trace_id(struct coresight_device *csdev)
+{
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+ unsigned long flags;
+ int trace_id = -1;
+
+ if (!drvdata->enable)
+ return drvdata->trcid;
+
+ pm_runtime_get_sync(drvdata->dev);
+ spin_lock_irqsave(&drvdata->spinlock, flags);
+
+ CS_UNLOCK(drvdata->base);
+ trace_id = readl_relaxed(drvdata->base + TRCTRACEIDR);
+ trace_id &= ETM_TRACEID_MASK;
+ CS_LOCK(drvdata->base);
+
+ spin_unlock_irqrestore(&drvdata->spinlock, flags);
+ pm_runtime_put(drvdata->dev);
+
+ return trace_id;
+}
+
+static void etm4_enable_hw(void *info)
+{
+ int i;
+ struct etmv4_drvdata *drvdata = info;
+
+ CS_UNLOCK(drvdata->base);
+
+ etm4_os_unlock(drvdata);
+
+ /* Disable the trace unit before programming trace registers */
+ writel_relaxed(0, drvdata->base + TRCPRGCTLR);
+
+ /* wait for TRCSTATR.IDLE to go up */
+ if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1))
+ dev_err(drvdata->dev,
+ "timeout observed when probing at offset %#x\n",
+ TRCSTATR);
+
+ writel_relaxed(drvdata->pe_sel, drvdata->base + TRCPROCSELR);
+ writel_relaxed(drvdata->cfg, drvdata->base + TRCCONFIGR);
+ /* nothing specific implemented */
+ writel_relaxed(0x0, drvdata->base + TRCAUXCTLR);
+ writel_relaxed(drvdata->eventctrl0, drvdata->base + TRCEVENTCTL0R);
+ writel_relaxed(drvdata->eventctrl1, drvdata->base + TRCEVENTCTL1R);
+ writel_relaxed(drvdata->stall_ctrl, drvdata->base + TRCSTALLCTLR);
+ writel_relaxed(drvdata->ts_ctrl, drvdata->base + TRCTSCTLR);
+ writel_relaxed(drvdata->syncfreq, drvdata->base + TRCSYNCPR);
+ writel_relaxed(drvdata->ccctlr, drvdata->base + TRCCCCTLR);
+ writel_relaxed(drvdata->bb_ctrl, drvdata->base + TRCBBCTLR);
+ writel_relaxed(drvdata->trcid, drvdata->base + TRCTRACEIDR);
+ writel_relaxed(drvdata->vinst_ctrl, drvdata->base + TRCVICTLR);
+ writel_relaxed(drvdata->viiectlr, drvdata->base + TRCVIIECTLR);
+ writel_relaxed(drvdata->vissctlr,
+ drvdata->base + TRCVISSCTLR);
+ writel_relaxed(drvdata->vipcssctlr,
+ drvdata->base + TRCVIPCSSCTLR);
+ for (i = 0; i < drvdata->nrseqstate - 1; i++)
+ writel_relaxed(drvdata->seq_ctrl[i],
+ drvdata->base + TRCSEQEVRn(i));
+ writel_relaxed(drvdata->seq_rst, drvdata->base + TRCSEQRSTEVR);
+ writel_relaxed(drvdata->seq_state, drvdata->base + TRCSEQSTR);
+ writel_relaxed(drvdata->ext_inp, drvdata->base + TRCEXTINSELR);
+ for (i = 0; i < drvdata->nr_cntr; i++) {
+ writel_relaxed(drvdata->cntrldvr[i],
+ drvdata->base + TRCCNTRLDVRn(i));
+ writel_relaxed(drvdata->cntr_ctrl[i],
+ drvdata->base + TRCCNTCTLRn(i));
+ writel_relaxed(drvdata->cntr_val[i],
+ drvdata->base + TRCCNTVRn(i));
+ }
+ for (i = 0; i < drvdata->nr_resource; i++)
+ writel_relaxed(drvdata->res_ctrl[i],
+ drvdata->base + TRCRSCTLRn(i));
+
+ for (i = 0; i < drvdata->nr_ss_cmp; i++) {
+ writel_relaxed(drvdata->ss_ctrl[i],
+ drvdata->base + TRCSSCCRn(i));
+ writel_relaxed(drvdata->ss_status[i],
+ drvdata->base + TRCSSCSRn(i));
+ writel_relaxed(drvdata->ss_pe_cmp[i],
+ drvdata->base + TRCSSPCICRn(i));
+ }
+ for (i = 0; i < drvdata->nr_addr_cmp; i++) {
+ writeq_relaxed(drvdata->addr_val[i],
+ drvdata->base + TRCACVRn(i));
+ writeq_relaxed(drvdata->addr_acc[i],
+ drvdata->base + TRCACATRn(i));
+ }
+ for (i = 0; i < drvdata->numcidc; i++)
+ writeq_relaxed(drvdata->ctxid_val[i],
+ drvdata->base + TRCCIDCVRn(i));
+ writel_relaxed(drvdata->ctxid_mask0, drvdata->base + TRCCIDCCTLR0);
+ writel_relaxed(drvdata->ctxid_mask1, drvdata->base + TRCCIDCCTLR1);
+
+ for (i = 0; i < drvdata->numvmidc; i++)
+ writeq_relaxed(drvdata->vmid_val[i],
+ drvdata->base + TRCVMIDCVRn(i));
+ writel_relaxed(drvdata->vmid_mask0, drvdata->base + TRCVMIDCCTLR0);
+ writel_relaxed(drvdata->vmid_mask1, drvdata->base + TRCVMIDCCTLR1);
+
+ /* Enable the trace unit */
+ writel_relaxed(1, drvdata->base + TRCPRGCTLR);
+
+ /* wait for TRCSTATR.IDLE to go back down to '0' */
+ if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0))
+ dev_err(drvdata->dev,
+ "timeout observed when probing at offset %#x\n",
+ TRCSTATR);
+
+ CS_LOCK(drvdata->base);
+
+ dev_dbg(drvdata->dev, "cpu: %d enable smp call done\n", drvdata->cpu);
+}
+
+static int etm4_enable(struct coresight_device *csdev)
+{
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+ int ret;
+
+ pm_runtime_get_sync(drvdata->dev);
+ spin_lock(&drvdata->spinlock);
+
+ /*
+ * Executing etm4_enable_hw on the cpu whose ETM is being enabled
+ * ensures that register writes occur when cpu is powered.
+ */
+ ret = smp_call_function_single(drvdata->cpu,
+ etm4_enable_hw, drvdata, 1);
+ if (ret)
+ goto err;
+ drvdata->enable = true;
+ drvdata->sticky_enable = true;
+
+ spin_unlock(&drvdata->spinlock);
+
+ dev_info(drvdata->dev, "ETM tracing enabled\n");
+ return 0;
+err:
+ spin_unlock(&drvdata->spinlock);
+ pm_runtime_put(drvdata->dev);
+ return ret;
+}
+
+static void etm4_disable_hw(void *info)
+{
+ u32 control;
+ struct etmv4_drvdata *drvdata = info;
+
+ CS_UNLOCK(drvdata->base);
+
+ control = readl_relaxed(drvdata->base + TRCPRGCTLR);
+
+ /* EN, bit[0] Trace unit enable bit */
+ control &= ~0x1;
+
+ /* make sure everything completes before disabling */
+ mb();
+ isb();
+ writel_relaxed(control, drvdata->base + TRCPRGCTLR);
+
+ CS_LOCK(drvdata->base);
+
+ dev_dbg(drvdata->dev, "cpu: %d disable smp call done\n", drvdata->cpu);
+}
+
+static void etm4_disable(struct coresight_device *csdev)
+{
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
+
+ /*
+ * Taking hotplug lock here protects from clocks getting disabled
+ * with tracing being left on (crash scenario) if user disable occurs
+ * after cpu online mask indicates the cpu is offline but before the
+ * DYING hotplug callback is serviced by the ETM driver.
+ */
+ get_online_cpus();
+ spin_lock(&drvdata->spinlock);
+
+ /*
+ * Executing etm4_disable_hw on the cpu whose ETM is being disabled
+ * ensures that register writes occur when cpu is powered.
+ */
+ smp_call_function_single(drvdata->cpu, etm4_disable_hw, drvdata, 1);
+ drvdata->enable = false;
+
+ spin_unlock(&drvdata->spinlock);
+ put_online_cpus();
+
+ pm_runtime_put(drvdata->dev);
+
+ dev_info(drvdata->dev, "ETM tracing disabled\n");
+}
+
+static const struct coresight_ops_source etm4_source_ops = {
+ .trace_id = etm4_trace_id,
+ .enable = etm4_enable,
+ .disable = etm4_disable,
+};
+
+static const struct coresight_ops etm4_cs_ops = {
+ .source_ops = &etm4_source_ops,
+};
+
+static ssize_t cpu_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ int val;
+ struct etmv4_drvdata *drvdata = dev_get_drvdata(dev->parent);
+
+ val = drvdata->cpu;
+ return scnprintf(buf, PAGE_SIZE, "%d\n", val);
+
+}
+static DEVICE_ATTR_RO(cpu);
+
+static struct attribute *coresight_etmv4_attrs[] = {
+ &dev_attr_cpu.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(coresight_etmv4);
+
+static void etm4_init_arch_data(void *info)
+{
+ u32 etmidr0;
+ u32 etmidr1;
+ u32 etmidr2;
+ u32 etmidr3;
+ u32 etmidr4;
+ u32 etmidr5;
+ struct etmv4_drvdata *drvdata = info;
+
+ CS_UNLOCK(drvdata->base);
+
+ /* find all capabilities of the tracing unit */
+ etmidr0 = readl_relaxed(drvdata->base + TRCIDR0);
+
+ /* INSTP0, bits[2:1] P0 tracing support field */
+ if (BMVAL(etmidr0, 1, 1) && BMVAL(etmidr0, 2, 2))
+ drvdata->instrp0 = true;
+ else
+ drvdata->instrp0 = false;
+
+ /* TRCBB, bit[5] Branch broadcast tracing support bit */
+ if (BMVAL(etmidr0, 5, 5))
+ drvdata->trcbb = true;
+ else
+ drvdata->trcbb = false;
+
+ /* TRCCOND, bit[6] Conditional instruction tracing support bit */
+ if (BMVAL(etmidr0, 6, 6))
+ drvdata->trccond = true;
+ else
+ drvdata->trccond = false;
+
+ /* TRCCCI, bit[7] Cycle counting instruction bit */
+ if (BMVAL(etmidr0, 7, 7))
+ drvdata->trccci = true;
+ else
+ drvdata->trccci = false;
+
+ /* RETSTACK, bit[9] Return stack bit */
+ if (BMVAL(etmidr0, 9, 9))
+ drvdata->retstack = true;
+ else
+ drvdata->retstack = false;
+
+ /* NUMEVENT, bits[11:10] Number of events field */
+ drvdata->nr_event = BMVAL(etmidr0, 10, 11);
+ /* QSUPP, bits[16:15] Q element support field */
+ drvdata->q_support = BMVAL(etmidr0, 15, 16);
+ /* TSSIZE, bits[28:24] Global timestamp size field */
+ drvdata->ts_size = BMVAL(etmidr0, 24, 28);
+
+ /* base architecture of trace unit */
+ etmidr1 = readl_relaxed(drvdata->base + TRCIDR1);
+ /*
+ * TRCARCHMIN, bits[7:4] architecture the minor version number
+ * TRCARCHMAJ, bits[11:8] architecture major versin number
+ */
+ drvdata->arch = BMVAL(etmidr1, 4, 11);
+
+ /* maximum size of resources */
+ etmidr2 = readl_relaxed(drvdata->base + TRCIDR2);
+ /* CIDSIZE, bits[9:5] Indicates the Context ID size */
+ drvdata->ctxid_size = BMVAL(etmidr2, 5, 9);
+ /* VMIDSIZE, bits[14:10] Indicates the VMID size */
+ drvdata->vmid_size = BMVAL(etmidr2, 10, 14);
+ /* CCSIZE, bits[28:25] size of the cycle counter in bits minus 12 */
+ drvdata->ccsize = BMVAL(etmidr2, 25, 28);
+
+ etmidr3 = readl_relaxed(drvdata->base + TRCIDR3);
+ /* CCITMIN, bits[11:0] minimum threshold value that can be programmed */
+ drvdata->ccitmin = BMVAL(etmidr3, 0, 11);
+ /* EXLEVEL_S, bits[19:16] Secure state instruction tracing */
+ drvdata->s_ex_level = BMVAL(etmidr3, 16, 19);
+ /* EXLEVEL_NS, bits[23:20] Non-secure state instruction tracing */
+ drvdata->ns_ex_level = BMVAL(etmidr3, 20, 23);
+
+ /*
+ * TRCERR, bit[24] whether a trace unit can trace a
+ * system error exception.
+ */
+ if (BMVAL(etmidr3, 24, 24))
+ drvdata->trc_error = true;
+ else
+ drvdata->trc_error = false;
+
+ /* SYNCPR, bit[25] implementation has a fixed synchronization period? */
+ if (BMVAL(etmidr3, 25, 25))
+ drvdata->syncpr = true;
+ else
+ drvdata->syncpr = false;
+
+ /* STALLCTL, bit[26] is stall control implemented? */
+ if (BMVAL(etmidr3, 26, 26))
+ drvdata->stallctl = true;
+ else
+ drvdata->stallctl = false;
+
+ /* SYSSTALL, bit[27] implementation can support stall control? */
+ if (BMVAL(etmidr3, 27, 27))
+ drvdata->sysstall = true;
+ else
+ drvdata->sysstall = false;
+
+ /* NUMPROC, bits[30:28] the number of PEs available for tracing */
+ drvdata->nr_pe = BMVAL(etmidr3, 28, 30);
+
+ /* NOOVERFLOW, bit[31] is trace overflow prevention supported */
+ if (BMVAL(etmidr3, 31, 31))
+ drvdata->nooverflow = true;
+ else
+ drvdata->nooverflow = false;
+
+ /* number of resources trace unit supports */
+ etmidr4 = readl_relaxed(drvdata->base + TRCIDR4);
+ /* NUMACPAIRS, bits[0:3] number of addr comparator pairs for tracing */
+ drvdata->nr_addr_cmp = BMVAL(etmidr4, 0, 3);
+ /* NUMPC, bits[15:12] number of PE comparator inputs for tracing */
+ drvdata->nr_pe_cmp = BMVAL(etmidr4, 12, 15);
+ /* NUMRSPAIR, bits[19:16] the number of resource pairs for tracing */
+ drvdata->nr_resource = BMVAL(etmidr4, 16, 19);
+ /*
+ * NUMSSCC, bits[23:20] the number of single-shot
+ * comparator control for tracing
+ */
+ drvdata->nr_ss_cmp = BMVAL(etmidr4, 20, 23);
+ /* NUMCIDC, bits[27:24] number of Context ID comparators for tracing */
+ drvdata->numcidc = BMVAL(etmidr4, 24, 27);
+ /* NUMVMIDC, bits[31:28] number of VMID comparators for tracing */
+ drvdata->numvmidc = BMVAL(etmidr4, 28, 31);
+
+ etmidr5 = readl_relaxed(drvdata->base + TRCIDR5);
+ /* NUMEXTIN, bits[8:0] number of external inputs implemented */
+ drvdata->nr_ext_inp = BMVAL(etmidr5, 0, 8);
+ /* TRACEIDSIZE, bits[21:16] indicates the trace ID width */
+ drvdata->trcid_size = BMVAL(etmidr5, 16, 21);
+ /* ATBTRIG, bit[22] implementation can support ATB triggers? */
+ if (BMVAL(etmidr5, 22, 22))
+ drvdata->atbtrig = true;
+ else
+ drvdata->atbtrig = false;
+ /*
+ * LPOVERRIDE, bit[23] implementation supports
+ * low-power state override
+ */
+ if (BMVAL(etmidr5, 23, 23))
+ drvdata->lpoverride = true;
+ else
+ drvdata->lpoverride = false;
+ /* NUMSEQSTATE, bits[27:25] number of sequencer states implemented */
+ drvdata->nrseqstate = BMVAL(etmidr5, 25, 27);
+ /* NUMCNTR, bits[30:28] number of counters available for tracing */
+ drvdata->nr_cntr = BMVAL(etmidr5, 28, 30);
+ CS_LOCK(drvdata->base);
+}
+
+static void etm4_init_default_data(struct etmv4_drvdata *drvdata)
+{
+ int i;
+
+ drvdata->pe_sel = 0x0;
+ drvdata->cfg = (ETMv4_MODE_CTXID | ETM_MODE_VMID |
+ ETMv4_MODE_TIMESTAMP | ETM_MODE_RETURNSTACK);
+
+ /* disable all events tracing */
+ drvdata->eventctrl0 = 0x0;
+ drvdata->eventctrl1 = 0x0;
+
+ /* disable stalling */
+ drvdata->stall_ctrl = 0x0;
+
+ /* disable timestamp event */
+ drvdata->ts_ctrl = 0x0;
+
+ /* enable trace synchronization every 4096 bytes for trace */
+ if (drvdata->syncpr == false)
+ drvdata->syncfreq = 0xC;
+
+ /*
+ * enable viewInst to trace everything with start-stop logic in
+ * started state
+ */
+ drvdata->vinst_ctrl |= BIT(0);
+ /* set initial state of start-stop logic */
+ if (drvdata->nr_addr_cmp)
+ drvdata->vinst_ctrl |= BIT(9);
+
+ /* no address range filtering for ViewInst */
+ drvdata->viiectlr = 0x0;
+ /* no start-stop filtering for ViewInst */
+ drvdata->vissctlr = 0x0;
+
+ /* disable seq events */
+ for (i = 0; i < drvdata->nrseqstate-1; i++)
+ drvdata->seq_ctrl[i] = 0x0;
+ drvdata->seq_rst = 0x0;
+ drvdata->seq_state = 0x0;
+
+ /* disable external input events */
+ drvdata->ext_inp = 0x0;
+
+ for (i = 0; i < drvdata->nr_cntr; i++) {
+ drvdata->cntrldvr[i] = 0x0;
+ drvdata->cntr_ctrl[i] = 0x0;
+ drvdata->cntr_val[i] = 0x0;
+ }
+
+ for (i = 2; i < drvdata->nr_resource * 2; i++)
+ drvdata->res_ctrl[i] = 0x0;
+
+ for (i = 0; i < drvdata->nr_ss_cmp; i++) {
+ drvdata->ss_ctrl[i] = 0x0;
+ drvdata->ss_pe_cmp[i] = 0x0;
+ }
+
+ if (drvdata->nr_addr_cmp >= 1) {
+ drvdata->addr_val[0] = (unsigned long)_stext;
+ drvdata->addr_val[1] = (unsigned long)_etext;
+ drvdata->addr_type[0] = ETM_ADDR_TYPE_RANGE;
+ drvdata->addr_type[1] = ETM_ADDR_TYPE_RANGE;
+ }
+
+ for (i = 0; i < drvdata->numcidc; i++)
+ drvdata->ctxid_val[i] = 0x0;
+ drvdata->ctxid_mask0 = 0x0;
+ drvdata->ctxid_mask1 = 0x0;
+
+ for (i = 0; i < drvdata->numvmidc; i++)
+ drvdata->vmid_val[i] = 0x0;
+ drvdata->vmid_mask0 = 0x0;
+ drvdata->vmid_mask1 = 0x0;
+
+ /*
+ * A trace ID value of 0 is invalid, so let's start at some
+ * random value that fits in 7 bits. ETMv3.x has 0x10 so let's
+ * start at 0x20.
+ */
+ drvdata->trcid = 0x20 + drvdata->cpu;
+}
+
+static int etm4_cpu_callback(struct notifier_block *nfb, unsigned long action,
+ void *hcpu)
+{
+ unsigned int cpu = (unsigned long)hcpu;
+
+ if (!etmdrvdata[cpu])
+ goto out;
+
+ switch (action & (~CPU_TASKS_FROZEN)) {
+ case CPU_STARTING:
+ spin_lock(&etmdrvdata[cpu]->spinlock);
+ if (!etmdrvdata[cpu]->os_unlock) {
+ etm4_os_unlock(etmdrvdata[cpu]);
+ etmdrvdata[cpu]->os_unlock = true;
+ }
+
+ if (etmdrvdata[cpu]->enable)
+ etm4_enable_hw(etmdrvdata[cpu]);
+ spin_unlock(&etmdrvdata[cpu]->spinlock);
+ break;
+
+ case CPU_ONLINE:
+ if (etmdrvdata[cpu]->boot_enable &&
+ !etmdrvdata[cpu]->sticky_enable)
+ coresight_enable(etmdrvdata[cpu]->csdev);
+ break;
+
+ case CPU_DYING:
+ spin_lock(&etmdrvdata[cpu]->spinlock);
+ if (etmdrvdata[cpu]->enable)
+ etm4_disable_hw(etmdrvdata[cpu]);
+ spin_unlock(&etmdrvdata[cpu]->spinlock);
+ break;
+ }
+out:
+ return NOTIFY_OK;
+}
+
+static struct notifier_block etm4_cpu_notifier = {
+ .notifier_call = etm4_cpu_callback,
+};
+
+static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
+{
+ int ret;
+ void __iomem *base;
+ struct device *dev = &adev->dev;
+ struct coresight_platform_data *pdata = NULL;
+ struct etmv4_drvdata *drvdata;
+ struct resource *res = &adev->res;
+ struct coresight_desc *desc;
+ struct device_node *np = adev->dev.of_node;
+
+ desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
+ if (!desc)
+ return -ENOMEM;
+
+ drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
+ if (!drvdata)
+ return -ENOMEM;
+
+ if (np) {
+ pdata = of_get_coresight_platform_data(dev, np);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ adev->dev.platform_data = pdata;
+ }
+
+ drvdata->dev = &adev->dev;
+ dev_set_drvdata(dev, drvdata);
+
+ /* Validity for the resource is already checked by the AMBA core */
+ base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ drvdata->base = base;
+
+ spin_lock_init(&drvdata->spinlock);
+
+ drvdata->cpu = pdata ? pdata->cpu : 0;
+
+ get_online_cpus();
+ etmdrvdata[drvdata->cpu] = drvdata;
+
+ if (!smp_call_function_single(drvdata->cpu, etm4_os_unlock, drvdata, 1))
+ drvdata->os_unlock = true;
+
+ if (smp_call_function_single(drvdata->cpu,
+ etm4_init_arch_data, drvdata, 1))
+ dev_err(dev, "ETM arch init failed\n");
+
+ if (!etm4_count++)
+ register_hotcpu_notifier(&etm4_cpu_notifier);
+
+ put_online_cpus();
+
+ if (etm4_arch_supported(drvdata->arch) == false) {
+ ret = -EINVAL;
+ goto err_arch_supported;
+ }
+ etm4_init_default_data(drvdata);
+
+ pm_runtime_put(&adev->dev);
+
+ desc->type = CORESIGHT_DEV_TYPE_SOURCE;
+ desc->subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_PROC;
+ desc->ops = &etm4_cs_ops;
+ desc->pdata = pdata;
+ desc->dev = dev;
+ desc->groups = coresight_etmv4_groups;
+ drvdata->csdev = coresight_register(desc);
+ if (IS_ERR(drvdata->csdev)) {
+ ret = PTR_ERR(drvdata->csdev);
+ goto err_coresight_register;
+ }
+
+ dev_info(dev, "%s initialized\n", (char *)id->data);
+
+ if (boot_enable) {
+ coresight_enable(drvdata->csdev);
+ drvdata->boot_enable = true;
+ }
+
+ return 0;
+
+err_arch_supported:
+ pm_runtime_put(&adev->dev);
+err_coresight_register:
+ if (--etm4_count == 0)
+ unregister_hotcpu_notifier(&etm4_cpu_notifier);
+ return ret;
+}
+
+static int etm4_remove(struct amba_device *adev)
+{
+ struct etmv4_drvdata *drvdata = amba_get_drvdata(adev);
+
+ coresight_unregister(drvdata->csdev);
+ if (--etm4_count == 0)
+ unregister_hotcpu_notifier(&etm4_cpu_notifier);
+
+ return 0;
+}
+
+static struct amba_id etm4_ids[] = {
+ { /* ETM 4.0 - Qualcomm */
+ .id = 0x0003b95d,
+ .mask = 0x0003ffff,
+ .data = "ETM 4.0",
+ },
+ { /* ETM 4.0 - Juno board */
+ .id = 0x000bb95e,
+ .mask = 0x000fffff,
+ .data = "ETM 4.0",
+ },
+ { 0, 0},
+};
+
+static struct amba_driver etm4x_driver = {
+ .drv = {
+ .name = "coresight-etm4x",
+ },
+ .probe = etm4_probe,
+ .remove = etm4_remove,
+ .id_table = etm4_ids,
+};
+
+module_amba_driver(etm4x_driver);
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h
new file mode 100644
index 000000000000..e08e983dd2d9
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-etm4x.h
@@ -0,0 +1,391 @@
+/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CORESIGHT_CORESIGHT_ETM_H
+#define _CORESIGHT_CORESIGHT_ETM_H
+
+#include <linux/spinlock.h>
+#include "coresight-priv.h"
+
+/*
+ * Device registers:
+ * 0x000 - 0x2FC: Trace registers
+ * 0x300 - 0x314: Management registers
+ * 0x318 - 0xEFC: Trace registers
+ * 0xF00: Management registers
+ * 0xFA0 - 0xFA4: Trace registers
+ * 0xFA8 - 0xFFC: Management registers
+ */
+/* Trace registers (0x000-0x2FC) */
+/* Main control and configuration registers */
+#define TRCPRGCTLR 0x004
+#define TRCPROCSELR 0x008
+#define TRCSTATR 0x00C
+#define TRCCONFIGR 0x010
+#define TRCAUXCTLR 0x018
+#define TRCEVENTCTL0R 0x020
+#define TRCEVENTCTL1R 0x024
+#define TRCSTALLCTLR 0x02C
+#define TRCTSCTLR 0x030
+#define TRCSYNCPR 0x034
+#define TRCCCCTLR 0x038
+#define TRCBBCTLR 0x03C
+#define TRCTRACEIDR 0x040
+#define TRCQCTLR 0x044
+/* Filtering control registers */
+#define TRCVICTLR 0x080
+#define TRCVIIECTLR 0x084
+#define TRCVISSCTLR 0x088
+#define TRCVIPCSSCTLR 0x08C
+#define TRCVDCTLR 0x0A0
+#define TRCVDSACCTLR 0x0A4
+#define TRCVDARCCTLR 0x0A8
+/* Derived resources registers */
+#define TRCSEQEVRn(n) (0x100 + (n * 4))
+#define TRCSEQRSTEVR 0x118
+#define TRCSEQSTR 0x11C
+#define TRCEXTINSELR 0x120
+#define TRCCNTRLDVRn(n) (0x140 + (n * 4))
+#define TRCCNTCTLRn(n) (0x150 + (n * 4))
+#define TRCCNTVRn(n) (0x160 + (n * 4))
+/* ID registers */
+#define TRCIDR8 0x180
+#define TRCIDR9 0x184
+#define TRCIDR10 0x188
+#define TRCIDR11 0x18C
+#define TRCIDR12 0x190
+#define TRCIDR13 0x194
+#define TRCIMSPEC0 0x1C0
+#define TRCIMSPECn(n) (0x1C0 + (n * 4))
+#define TRCIDR0 0x1E0
+#define TRCIDR1 0x1E4
+#define TRCIDR2 0x1E8
+#define TRCIDR3 0x1EC
+#define TRCIDR4 0x1F0
+#define TRCIDR5 0x1F4
+#define TRCIDR6 0x1F8
+#define TRCIDR7 0x1FC
+/* Resource selection registers */
+#define TRCRSCTLRn(n) (0x200 + (n * 4))
+/* Single-shot comparator registers */
+#define TRCSSCCRn(n) (0x280 + (n * 4))
+#define TRCSSCSRn(n) (0x2A0 + (n * 4))
+#define TRCSSPCICRn(n) (0x2C0 + (n * 4))
+/* Management registers (0x300-0x314) */
+#define TRCOSLAR 0x300
+#define TRCOSLSR 0x304
+#define TRCPDCR 0x310
+#define TRCPDSR 0x314
+/* Trace registers (0x318-0xEFC) */
+/* Comparator registers */
+#define TRCACVRn(n) (0x400 + (n * 8))
+#define TRCACATRn(n) (0x480 + (n * 8))
+#define TRCDVCVRn(n) (0x500 + (n * 16))
+#define TRCDVCMRn(n) (0x580 + (n * 16))
+#define TRCCIDCVRn(n) (0x600 + (n * 8))
+#define TRCVMIDCVRn(n) (0x640 + (n * 8))
+#define TRCCIDCCTLR0 0x680
+#define TRCCIDCCTLR1 0x684
+#define TRCVMIDCCTLR0 0x688
+#define TRCVMIDCCTLR1 0x68C
+/* Management register (0xF00) */
+/* Integration control registers */
+#define TRCITCTRL 0xF00
+/* Trace registers (0xFA0-0xFA4) */
+/* Claim tag registers */
+#define TRCCLAIMSET 0xFA0
+#define TRCCLAIMCLR 0xFA4
+/* Management registers (0xFA8-0xFFC) */
+#define TRCDEVAFF0 0xFA8
+#define TRCDEVAFF1 0xFAC
+#define TRCLAR 0xFB0
+#define TRCLSR 0xFB4
+#define TRCAUTHSTATUS 0xFB8
+#define TRCDEVARCH 0xFBC
+#define TRCDEVID 0xFC8
+#define TRCDEVTYPE 0xFCC
+#define TRCPIDR4 0xFD0
+#define TRCPIDR5 0xFD4
+#define TRCPIDR6 0xFD8
+#define TRCPIDR7 0xFDC
+#define TRCPIDR0 0xFE0
+#define TRCPIDR1 0xFE4
+#define TRCPIDR2 0xFE8
+#define TRCPIDR3 0xFEC
+#define TRCCIDR0 0xFF0
+#define TRCCIDR1 0xFF4
+#define TRCCIDR2 0xFF8
+#define TRCCIDR3 0xFFC
+
+/* ETMv4 resources */
+#define ETM_MAX_NR_PE 8
+#define ETMv4_MAX_CNTR 4
+#define ETM_MAX_SEQ_STATES 4
+#define ETM_MAX_EXT_INP_SEL 4
+#define ETM_MAX_EXT_INP 256
+#define ETM_MAX_EXT_OUT 4
+#define ETM_MAX_SINGLE_ADDR_CMP 16
+#define ETM_MAX_ADDR_RANGE_CMP (ETM_MAX_SINGLE_ADDR_CMP / 2)
+#define ETM_MAX_DATA_VAL_CMP 8
+#define ETMv4_MAX_CTXID_CMP 8
+#define ETM_MAX_VMID_CMP 8
+#define ETM_MAX_PE_CMP 8
+#define ETM_MAX_RES_SEL 16
+#define ETM_MAX_SS_CMP 8
+
+#define ETM_ARCH_V4 0x40
+#define ETMv4_SYNC_MASK 0x1F
+#define ETM_CYC_THRESHOLD_MASK 0xFFF
+#define ETMv4_EVENT_MASK 0xFF
+#define ETM_CNTR_MAX_VAL 0xFFFF
+#define ETM_TRACEID_MASK 0x3f
+
+/* ETMv4 programming modes */
+#define ETM_MODE_EXCLUDE BIT(0)
+#define ETM_MODE_LOAD BIT(1)
+#define ETM_MODE_STORE BIT(2)
+#define ETM_MODE_LOAD_STORE BIT(3)
+#define ETM_MODE_BB BIT(4)
+#define ETMv4_MODE_CYCACC BIT(5)
+#define ETMv4_MODE_CTXID BIT(6)
+#define ETM_MODE_VMID BIT(7)
+#define ETM_MODE_COND(val) BMVAL(val, 8, 10)
+#define ETMv4_MODE_TIMESTAMP BIT(11)
+#define ETM_MODE_RETURNSTACK BIT(12)
+#define ETM_MODE_QELEM(val) BMVAL(val, 13, 14)
+#define ETM_MODE_DATA_TRACE_ADDR BIT(15)
+#define ETM_MODE_DATA_TRACE_VAL BIT(16)
+#define ETM_MODE_ISTALL BIT(17)
+#define ETM_MODE_DSTALL BIT(18)
+#define ETM_MODE_ATB_TRIGGER BIT(19)
+#define ETM_MODE_LPOVERRIDE BIT(20)
+#define ETM_MODE_ISTALL_EN BIT(21)
+#define ETM_MODE_DSTALL_EN BIT(22)
+#define ETM_MODE_INSTPRIO BIT(23)
+#define ETM_MODE_NOOVERFLOW BIT(24)
+#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 TRCSTATR_IDLE_BIT 0
+
+/**
+ * struct etm4_drvdata - specifics associated to an ETM component
+ * @base: Memory mapped base address for this component.
+ * @dev: The device entity associated to this component.
+ * @csdev: Component vitals needed by the framework.
+ * @spinlock: Only one at a time pls.
+ * @cpu: The cpu this component is affined to.
+ * @arch: ETM version number.
+ * @enable: Is this ETM currently tracing.
+ * @sticky_enable: true if ETM base configuration has been done.
+ * @boot_enable:True if we should start tracing at boot time.
+ * @os_unlock: True if access to management registers is allowed.
+ * @nr_pe: The number of processing entity available for tracing.
+ * @nr_pe_cmp: The number of processing entity comparator inputs that are
+ * available for tracing.
+ * @nr_addr_cmp:Number of pairs of address comparators available
+ * as found in ETMIDR4 0-3.
+ * @nr_cntr: Number of counters as found in ETMIDR5 bit 28-30.
+ * @nr_ext_inp: Number of external input.
+ * @numcidc: Number of contextID comparators.
+ * @numvmidc: Number of VMID comparators.
+ * @nrseqstate: The number of sequencer states that are implemented.
+ * @nr_event: Indicates how many events the trace unit support.
+ * @nr_resource:The number of resource selection pairs available for tracing.
+ * @nr_ss_cmp: Number of single-shot comparator controls that are available.
+ * @mode: Controls various modes supported by this ETM.
+ * @trcid: value of the current ID for this component.
+ * @trcid_size: Indicates the trace ID width.
+ * @instrp0: Tracing of load and store instructions
+ * as P0 elements is supported.
+ * @trccond: If the trace unit supports conditional
+ * instruction tracing.
+ * @retstack: Indicates if the implementation supports a return stack.
+ * @trc_error: Whether a trace unit can trace a system
+ * error exception.
+ * @atbtrig: If the implementation can support ATB triggers
+ * @lpoverride: If the implementation can support low-power state over.
+ * @pe_sel: Controls which PE to trace.
+ * @cfg: Controls the tracing options.
+ * @eventctrl0: Controls the tracing of arbitrary events.
+ * @eventctrl1: Controls the behavior of the events that @event_ctrl0 selects.
+ * @stallctl: If functionality that prevents trace unit buffer overflows
+ * is available.
+ * @sysstall: Does the system support stall control of the PE?
+ * @nooverflow: Indicate if overflow prevention is supported.
+ * @stall_ctrl: Enables trace unit functionality that prevents trace
+ * unit buffer overflows.
+ * @ts_size: Global timestamp size field.
+ * @ts_ctrl: Controls the insertion of global timestamps in the
+ * trace streams.
+ * @syncpr: Indicates if an implementation has a fixed
+ * synchronization period.
+ * @syncfreq: Controls how often trace synchronization requests occur.
+ * @trccci: Indicates if the trace unit supports cycle counting
+ * for instruction.
+ * @ccsize: Indicates the size of the cycle counter in bits.
+ * @ccitmin: minimum value that can be programmed in
+ * the TRCCCCTLR register.
+ * @ccctlr: Sets the threshold value for cycle counting.
+ * @trcbb: Indicates if the trace unit supports branch broadcast tracing.
+ * @q_support: Q element support characteristics.
+ * @vinst_ctrl: Controls instruction trace filtering.
+ * @viiectlr: Set or read, the address range comparators.
+ * @vissctlr: Set, or read, the single address comparators that control the
+ * ViewInst start-stop logic.
+ * @vipcssctlr: Set, or read, which PE comparator inputs can control the
+ * ViewInst start-stop logic.
+ * @seq_idx: Sequencor index selector.
+ * @seq_ctrl: Control for the sequencer state transition control register.
+ * @seq_rst: Moves the sequencer to state 0 when a programmed event occurs.
+ * @seq_state: Set, or read the sequencer state.
+ * @cntr_idx: Counter index seletor.
+ * @cntrldvr: Sets or returns the reload count value for a counter.
+ * @cntr_ctrl: Controls the operation of a counter.
+ * @cntr_val: Sets or returns the value for a counter.
+ * @res_idx: Resource index selector.
+ * @res_ctrl: Controls the selection of the resources in the trace unit.
+ * @ss_ctrl: Controls the corresponding single-shot comparator resource.
+ * @ss_status: The status of the corresponding single-shot comparator.
+ * @ss_pe_cmp: Selects the PE comparator inputs for Single-shot control.
+ * @addr_idx: Address comparator index selector.
+ * @addr_val: Value for address comparator.
+ * @addr_acc: Address comparator access type.
+ * @addr_type: Current status of the comparator register.
+ * @ctxid_idx: Context ID index selector.
+ * @ctxid_size: Size of the context ID field to consider.
+ * @ctxid_val: Value of the context ID comparator.
+ * @ctxid_mask0:Context ID comparator mask for comparator 0-3.
+ * @ctxid_mask1:Context ID comparator mask for comparator 4-7.
+ * @vmid_idx: VM ID index selector.
+ * @vmid_size: Size of the VM ID comparator to consider.
+ * @vmid_val: Value of the VM ID comparator.
+ * @vmid_mask0: VM ID comparator mask for comparator 0-3.
+ * @vmid_mask1: VM ID comparator mask for comparator 4-7.
+ * @s_ex_level: In secure state, indicates whether instruction tracing is
+ * supported for the corresponding Exception level.
+ * @ns_ex_level:In non-secure state, indicates whether instruction tracing is
+ * supported for the corresponding Exception level.
+ * @ext_inp: External input selection.
+ */
+struct etmv4_drvdata {
+ void __iomem *base;
+ struct device *dev;
+ struct coresight_device *csdev;
+ spinlock_t spinlock;
+ int cpu;
+ u8 arch;
+ bool enable;
+ bool sticky_enable;
+ bool boot_enable;
+ bool os_unlock;
+ u8 nr_pe;
+ u8 nr_pe_cmp;
+ u8 nr_addr_cmp;
+ u8 nr_cntr;
+ u8 nr_ext_inp;
+ u8 numcidc;
+ u8 numvmidc;
+ u8 nrseqstate;
+ u8 nr_event;
+ u8 nr_resource;
+ u8 nr_ss_cmp;
+ u32 mode;
+ u8 trcid;
+ u8 trcid_size;
+ bool instrp0;
+ bool trccond;
+ bool retstack;
+ bool trc_error;
+ bool atbtrig;
+ bool lpoverride;
+ u32 pe_sel;
+ u32 cfg;
+ u32 eventctrl0;
+ u32 eventctrl1;
+ bool stallctl;
+ bool sysstall;
+ bool nooverflow;
+ u32 stall_ctrl;
+ u8 ts_size;
+ u32 ts_ctrl;
+ bool syncpr;
+ u32 syncfreq;
+ bool trccci;
+ u8 ccsize;
+ u8 ccitmin;
+ u32 ccctlr;
+ bool trcbb;
+ u32 bb_ctrl;
+ bool q_support;
+ u32 vinst_ctrl;
+ u32 viiectlr;
+ u32 vissctlr;
+ u32 vipcssctlr;
+ u8 seq_idx;
+ u32 seq_ctrl[ETM_MAX_SEQ_STATES];
+ u32 seq_rst;
+ u32 seq_state;
+ u8 cntr_idx;
+ u32 cntrldvr[ETMv4_MAX_CNTR];
+ u32 cntr_ctrl[ETMv4_MAX_CNTR];
+ u32 cntr_val[ETMv4_MAX_CNTR];
+ u8 res_idx;
+ u32 res_ctrl[ETM_MAX_RES_SEL];
+ u32 ss_ctrl[ETM_MAX_SS_CMP];
+ u32 ss_status[ETM_MAX_SS_CMP];
+ u32 ss_pe_cmp[ETM_MAX_SS_CMP];
+ u8 addr_idx;
+ u64 addr_val[ETM_MAX_SINGLE_ADDR_CMP];
+ u64 addr_acc[ETM_MAX_SINGLE_ADDR_CMP];
+ u8 addr_type[ETM_MAX_SINGLE_ADDR_CMP];
+ u8 ctxid_idx;
+ u8 ctxid_size;
+ u64 ctxid_val[ETMv4_MAX_CTXID_CMP];
+ u32 ctxid_mask0;
+ u32 ctxid_mask1;
+ u8 vmid_idx;
+ u8 vmid_size;
+ u64 vmid_val[ETM_MAX_VMID_CMP];
+ u32 vmid_mask0;
+ u32 vmid_mask1;
+ u8 s_ex_level;
+ u8 ns_ex_level;
+ u32 ext_inp;
+};
+
+/* Address comparator access types */
+enum etm_addr_acctype {
+ ETM_INSTR_ADDR,
+ ETM_DATA_LOAD_ADDR,
+ ETM_DATA_STORE_ADDR,
+ ETM_DATA_LOAD_STORE_ADDR,
+};
+
+/* Address comparator context types */
+enum etm_addr_ctxtype {
+ ETM_CTX_NONE,
+ ETM_CTX_CTXID,
+ ETM_CTX_VMID,
+ ETM_CTX_CTXID_VMID,
+};
+
+enum etm_addr_type {
+ ETM_ADDR_TYPE_NONE,
+ ETM_ADDR_TYPE_SINGLE,
+ ETM_ADDR_TYPE_RANGE,
+ ETM_ADDR_TYPE_START,
+ ETM_ADDR_TYPE_STOP,
+};
+#endif