diff mbox

[v7,01/19] ARM64: Move PMU register related defines to asm/pmu.h

Message ID 1450169379-12336-2-git-send-email-zhaoshenglong@huawei.com
State Superseded
Headers show

Commit Message

Shannon Zhao Dec. 15, 2015, 8:49 a.m. UTC
From: Shannon Zhao <shannon.zhao@linaro.org>


To use the ARMv8 PMU related register defines from the KVM code,
we move the relevant definitions to asm/pmu.h header file.

Signed-off-by: Anup Patel <anup.patel@linaro.org>

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

---
 arch/arm64/include/asm/pmu.h   | 64 ++++++++++++++++++++++++++++++++++++++++++
 arch/arm64/kernel/perf_event.c | 36 +-----------------------
 2 files changed, 65 insertions(+), 35 deletions(-)
 create mode 100644 arch/arm64/include/asm/pmu.h

-- 
2.0.4



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Comments

Shannon Zhao Dec. 15, 2015, 11:44 a.m. UTC | #1
On 2015/12/15 19:34, Marc Zyngier wrote:
> On 15/12/15 08:49, Shannon Zhao wrote:

>> From: Shannon Zhao <shannon.zhao@linaro.org>

>>

>> To use the ARMv8 PMU related register defines from the KVM code,

>> we move the relevant definitions to asm/pmu.h header file.

>>

>> Signed-off-by: Anup Patel <anup.patel@linaro.org>

>> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

>> ---

>>   arch/arm64/include/asm/pmu.h   | 64 ++++++++++++++++++++++++++++++++++++++++++

>>   arch/arm64/kernel/perf_event.c | 36 +-----------------------

>>   2 files changed, 65 insertions(+), 35 deletions(-)

>>   create mode 100644 arch/arm64/include/asm/pmu.h

>>

>> diff --git a/arch/arm64/include/asm/pmu.h b/arch/arm64/include/asm/pmu.h

>> new file mode 100644

>> index 0000000..4264ea0

>> --- /dev/null

>> +++ b/arch/arm64/include/asm/pmu.h

>> @@ -0,0 +1,64 @@

>> +/*

>> + * Copyright (C) 2015 Linaro Ltd, Shannon Zhao

>

> Erm, not quite. You're simply moving existing code from one file to

> another. That doesn't change the copyright of said code, which reads:

>

>   * PMU support

>   *

>   * Copyright (C) 2012 ARM Limited

>   * Author: Will Deacon <will.deacon@arm.com>

>

> Please keep this mention in place.

>

Sure, will fix this. Thanks.

-- 
Shannon

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diff mbox

Patch

diff --git a/arch/arm64/include/asm/pmu.h b/arch/arm64/include/asm/pmu.h
new file mode 100644
index 0000000..4264ea0
--- /dev/null
+++ b/arch/arm64/include/asm/pmu.h
@@ -0,0 +1,64 @@ 
+/*
+ * Copyright (C) 2015 Linaro Ltd, Shannon Zhao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_PMU_H
+#define __ASM_PMU_H
+
+#define ARMV8_MAX_COUNTERS      32
+#define ARMV8_COUNTER_MASK      (ARMV8_MAX_COUNTERS - 1)
+
+/*
+ * Per-CPU PMCR: config reg
+ */
+#define ARMV8_PMCR_E		(1 << 0) /* Enable all counters */
+#define ARMV8_PMCR_P		(1 << 1) /* Reset all counters */
+#define ARMV8_PMCR_C		(1 << 2) /* Cycle counter reset */
+#define ARMV8_PMCR_D		(1 << 3) /* CCNT counts every 64th cpu cycle */
+#define ARMV8_PMCR_X		(1 << 4) /* Export to ETM */
+#define ARMV8_PMCR_DP		(1 << 5) /* Disable CCNT if non-invasive debug*/
+#define	ARMV8_PMCR_N_SHIFT	11	 /* Number of counters supported */
+#define	ARMV8_PMCR_N_MASK	0x1f
+#define	ARMV8_PMCR_MASK		0x3f	 /* Mask for writable bits */
+
+/*
+ * PMCNTEN: counters enable reg
+ */
+#define	ARMV8_CNTEN_MASK	0xffffffff	/* Mask for writable bits */
+
+/*
+ * PMINTEN: counters interrupt enable reg
+ */
+#define	ARMV8_INTEN_MASK	0xffffffff	/* Mask for writable bits */
+
+/*
+ * PMOVSR: counters overflow flag status reg
+ */
+#define	ARMV8_OVSR_MASK		0xffffffff	/* Mask for writable bits */
+#define	ARMV8_OVERFLOWED_MASK	ARMV8_OVSR_MASK
+
+/*
+ * PMXEVTYPER: Event selection reg
+ */
+#define	ARMV8_EVTYPE_MASK	0xc80003ff	/* Mask for writable bits */
+#define	ARMV8_EVTYPE_EVENT	0x3ff		/* Mask for EVENT bits */
+
+/*
+ * Event filters for PMUv3
+ */
+#define	ARMV8_EXCLUDE_EL1	(1 << 31)
+#define	ARMV8_EXCLUDE_EL0	(1 << 30)
+#define	ARMV8_INCLUDE_EL2	(1 << 27)
+
+#endif /* __ASM_PMU_H */
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 5b1897e..7eca5dc 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -24,6 +24,7 @@ 
 #include <linux/of.h>
 #include <linux/perf/arm_pmu.h>
 #include <linux/platform_device.h>
+#include <asm/pmu.h>
 
 /*
  * ARMv8 PMUv3 Performance Events handling code.
@@ -187,9 +188,6 @@  static const unsigned armv8_a57_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
 #define	ARMV8_IDX_COUNTER_LAST(cpu_pmu) \
 	(ARMV8_IDX_CYCLE_COUNTER + cpu_pmu->num_events - 1)
 
-#define	ARMV8_MAX_COUNTERS	32
-#define	ARMV8_COUNTER_MASK	(ARMV8_MAX_COUNTERS - 1)
-
 /*
  * ARMv8 low level PMU access
  */
@@ -200,38 +198,6 @@  static const unsigned armv8_a57_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
 #define	ARMV8_IDX_TO_COUNTER(x)	\
 	(((x) - ARMV8_IDX_COUNTER0) & ARMV8_COUNTER_MASK)
 
-/*
- * Per-CPU PMCR: config reg
- */
-#define ARMV8_PMCR_E		(1 << 0) /* Enable all counters */
-#define ARMV8_PMCR_P		(1 << 1) /* Reset all counters */
-#define ARMV8_PMCR_C		(1 << 2) /* Cycle counter reset */
-#define ARMV8_PMCR_D		(1 << 3) /* CCNT counts every 64th cpu cycle */
-#define ARMV8_PMCR_X		(1 << 4) /* Export to ETM */
-#define ARMV8_PMCR_DP		(1 << 5) /* Disable CCNT if non-invasive debug*/
-#define	ARMV8_PMCR_N_SHIFT	11	 /* Number of counters supported */
-#define	ARMV8_PMCR_N_MASK	0x1f
-#define	ARMV8_PMCR_MASK		0x3f	 /* Mask for writable bits */
-
-/*
- * PMOVSR: counters overflow flag status reg
- */
-#define	ARMV8_OVSR_MASK		0xffffffff	/* Mask for writable bits */
-#define	ARMV8_OVERFLOWED_MASK	ARMV8_OVSR_MASK
-
-/*
- * PMXEVTYPER: Event selection reg
- */
-#define	ARMV8_EVTYPE_MASK	0xc80003ff	/* Mask for writable bits */
-#define	ARMV8_EVTYPE_EVENT	0x3ff		/* Mask for EVENT bits */
-
-/*
- * Event filters for PMUv3
- */
-#define	ARMV8_EXCLUDE_EL1	(1 << 31)
-#define	ARMV8_EXCLUDE_EL0	(1 << 30)
-#define	ARMV8_INCLUDE_EL2	(1 << 27)
-
 static inline u32 armv8pmu_pmcr_read(void)
 {
 	u32 val;