Misc OpenSBI HART ISA extension improvements

PATCH Superseded Anup Patel 2 participants 11 messages Jul 5, 2023 – Jul 6, 2023

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Anup Patel

author

2023-07-05 11:58 UTC #0 lore raw

cover Misc OpenSBI HART ISA extension improvements

This series does assorted improvements to OpenSBI HART ISA extensions.

These patches can also be found in zicntr_zihpm_v1 branch at:
https://github.com/avpatel/opensbi.git

Anup Patel (4):
lib: sbi: Add Zicntr as a HART ISA extension
lib: sbi: Add Zihpm as a HART ISA extension
lib: sbi: Alphabetically sort HART ISA extensions
lib: sbi: Rename hart_pmu_get_allowed_bits() function

 include/sbi/sbi_hart.h | 12 +++++++-----
 lib/sbi/sbi_hart.c     | 28 +++++++++++++++++-----------
 lib/sbi/sbi_timer.c    |  2 +-
 3 files changed, 25 insertions(+), 17 deletions(-)

Signature · 1 line

2.34.1

Anup Patel

author

2023-07-05 11:58 UTC #1 lore raw

PATCH 1/4 lib: sbi: Add Zicntr as a HART ISA extension

Recently ratified Zicntr ISA extension covers cycle, time and instret CSRs so we replace the "time" ISA extension with "zicntr" ISA extension in OpenSBI.

Signed-off-by Anup Patel <[email protected]>

---
 include/sbi/sbi_hart.h | 4 ++--
 lib/sbi/sbi_hart.c     | 6 +++---
 lib/sbi/sbi_timer.c    | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

include/sbi/sbi_hart.h +2 -2

index 95b40e7..d48940d 100644
@@ -28,8 +28,8 @@ enum sbi_hart_priv_versions {
 enum sbi_hart_extensions {
 	/** Hart has Sscofpmt extension */
 	SBI_HART_EXT_SSCOFPMF = 0,
-	/** HART has HW time CSR (extension name not available) */
-	SBI_HART_EXT_TIME,
+	/** HART has Zicntr extension (i.e. HW cycle, time & instret CSRs) */
+	SBI_HART_EXT_ZICNTR,
 	/** HART has AIA M-mode CSRs */
 	SBI_HART_EXT_SMAIA,
 	/** HART has Smstateen CSR **/

lib/sbi/sbi_hart.c +3 -3

index 6e52cbd..c470482 100644
@@ -441,8 +441,8 @@ static inline char *sbi_hart_extension_id2string(int ext)
 	case SBI_HART_EXT_SSCOFPMF:
 		estr = "sscofpmf";
 		break;
-	case SBI_HART_EXT_TIME:
-		estr = "time";
+	case SBI_HART_EXT_ZICNTR:
+		estr = "zicntr";
 		break;
 	case SBI_HART_EXT_SMAIA:
 		estr = "smaia";

@@ -676,7 +676,7 @@ __mhpm_skip:
 	csr_read_allowed(CSR_TIME, (unsigned long)&trap);
 	if (!trap.cause)
 		__sbi_hart_update_extension(hfeatures,
-					SBI_HART_EXT_TIME, true);
+					SBI_HART_EXT_ZICNTR, true);
 
 	/* Detect if hart has AIA local interrupt CSRs */
 	csr_read_allowed(CSR_MTOPI, (unsigned long)&trap);

lib/sbi/sbi_timer.c +1 -1

index 4b24cbe..7b618de 100644
@@ -188,7 +188,7 @@ int sbi_timer_init(struct sbi_scratch *scratch, bool cold_boot)
 		if (!time_delta_off)
 			return SBI_ENOMEM;
 
-		if (sbi_hart_has_extension(scratch, SBI_HART_EXT_TIME))
+		if (sbi_hart_has_extension(scratch, SBI_HART_EXT_ZICNTR))
 			get_time_val = get_ticks;
 	} else {
 		if (!time_delta_off)

Signature · 1 line

2.34.1

Xiang W

2023-07-05 14:46 UTC #2 lore raw

PATCH 1/4 lib: sbi: Add Zicntr as a HART ISA extension

? 2023-07-05???? 17:28 +0530?Anup Patel???

Quoted 5 lines

Recently ratified Zicntr ISA extension covers cycle, time and instret CSRs so we replace the "time" ISA extension with "zicntr" ISA extension in OpenSBI.
Signed-off-by Anup Patel <[email protected]>

Look good to me.

Reviewed-by Xiang W <[email protected]>

Quoted 62 lines

---
?include/sbi/sbi_hart.h | 4 ++--
?lib/sbi/sbi_hart.c???? | 6 +++---
?lib/sbi/sbi_timer.c??? | 2 +-
?3 files changed, 6 insertions(+), 6 deletions(-)
include/sbi/sbi_hart.h +0 -0
index 95b40e7..d48940d 100644
@@ -28,8 +28,8 @@ enum sbi_hart_priv_versions {
 ?enum sbi_hart_extensions {
????????/** Hart has Sscofpmt extension */ ????????SBI_HART_EXT_SSCOFPMF = 0,
-???????/** HART has HW time CSR (extension name not available) */ -???????SBI_HART_EXT_TIME,
+???????/** HART has Zicntr extension (i.e. HW cycle, time & instret CSRs) */ +???????SBI_HART_EXT_ZICNTR,
????????/** HART has AIA M-mode CSRs */ ????????SBI_HART_EXT_SMAIA,
????????/** HART has Smstateen CSR **/
lib/sbi/sbi_hart.c +0 -0
index 6e52cbd..c470482 100644
@@ -441,8 +441,8 @@ static inline char *sbi_hart_extension_id2string(int ext)
????????case SBI_HART_EXT_SSCOFPMF:
????????????????estr = "sscofpmf";
????????????????break;
-???????case SBI_HART_EXT_TIME:
-???????????????estr = "time";
+???????case SBI_HART_EXT_ZICNTR:
+???????????????estr = "zicntr";
????????????????break;
????????case SBI_HART_EXT_SMAIA:
????????????????estr = "smaia";
lib/sbi/sbi_hart.c +1 -1
@@ -676,7 +676,7 @@ __mhpm_skip:
 ????????csr_read_allowed(CSR_TIME, (unsigned long)&trap);
 ????????if (!trap.cause)
 ????????????????__sbi_hart_update_extension(hfeatures,
-???????????????????????????????????????SBI_HART_EXT_TIME, true);
+???????????????????????????????????????SBI_HART_EXT_ZICNTR, true);
?
????????/* Detect if hart has AIA local interrupt CSRs */ ????????csr_read_allowed(CSR_MTOPI, (unsigned long)&trap);
lib/sbi/sbi_timer.c +0 -0
index 4b24cbe..7b618de 100644
@@ -188,7 +188,7 @@ int sbi_timer_init(struct sbi_scratch *scratch, bool cold_boot)
 ????????????????if (!time_delta_off)
 ????????????????????????return SBI_ENOMEM;
?
-???????????????if (sbi_hart_has_extension(scratch, SBI_HART_EXT_TIME)) +???????????????if (sbi_hart_has_extension(scratch, SBI_HART_EXT_ZICNTR)) ????????????????????????get_time_val = get_ticks;
????????} else {
????????????????if (!time_delta_off)
Signature · 1 line
2.34.1

Anup Patel

author

2023-07-05 11:58 UTC #3 lore raw

PATCH 2/4 lib: sbi: Add Zihpm as a HART ISA extension

In reply to Anup Patel

Recently ratified Zihpm ISA extension covers all [m]hpm* CSRs so we add Zihpm as a HART ISA extension in OpenSBI.

Signed-off-by Anup Patel <[email protected]>

---
 include/sbi/sbi_hart.h | 2 ++
 lib/sbi/sbi_hart.c     | 6 ++++++
 2 files changed, 8 insertions(+)

include/sbi/sbi_hart.h +2 -0

index d48940d..938248f 100644
@@ -36,6 +36,8 @@ enum sbi_hart_extensions {
 	SBI_HART_EXT_SMSTATEEN,
 	/** HART has Sstc extension */
 	SBI_HART_EXT_SSTC,
+	/** HART has Zihpm extension */
+	SBI_HART_EXT_ZIHPM,
 
 	/** Maximum index of Hart extension */
 	SBI_HART_EXT_MAX,

lib/sbi/sbi_hart.c +6 -0

index c470482..435771c 100644
@@ -453,6 +453,9 @@ static inline char *sbi_hart_extension_id2string(int ext)
 	case SBI_HART_EXT_SMSTATEEN:
 		estr = "smstateen";
 		break;
+	case SBI_HART_EXT_ZIHPM:
+		estr = "zihpm";
+		break;
 	default:
 		break;
 	}

@@ -637,6 +640,9 @@ __pmp_skip:
 	 */
 
 __mhpm_skip:
+	if (hfeatures->mhpm_count)
+		__sbi_hart_update_extension(hfeatures,
+					SBI_HART_EXT_ZIHPM, true);
 
 #undef __check_csr_64
 #undef __check_csr_32

Signature · 1 line

2.34.1

Xiang W

2023-07-05 14:46 UTC #4 lore raw

PATCH 2/4 lib: sbi: Add Zihpm as a HART ISA extension

? 2023-07-05???? 17:28 +0530?Anup Patel???

Quoted 4 lines

Recently ratified Zihpm ISA extension covers all [m]hpm* CSRs so we add Zihpm as a HART ISA extension in OpenSBI.
Signed-off-by Anup Patel <[email protected]>

Look good to me.

Reviewed-by Xiang W <[email protected]>

Quoted 46 lines

---
?include/sbi/sbi_hart.h | 2 ++
?lib/sbi/sbi_hart.c???? | 6 ++++++
?2 files changed, 8 insertions(+)
include/sbi/sbi_hart.h +0 -0
index d48940d..938248f 100644
@@ -36,6 +36,8 @@ enum sbi_hart_extensions {
 ????????SBI_HART_EXT_SMSTATEEN,
????????/** HART has Sstc extension */
????????SBI_HART_EXT_SSTC,
+???????/** HART has Zihpm extension */
+???????SBI_HART_EXT_ZIHPM,
?
????????/** Maximum index of Hart extension */
????????SBI_HART_EXT_MAX,
lib/sbi/sbi_hart.c +0 -0
index c470482..435771c 100644
@@ -453,6 +453,9 @@ static inline char *sbi_hart_extension_id2string(int ext)
????????case SBI_HART_EXT_SMSTATEEN:
????????????????estr = "smstateen";
????????????????break;
+???????case SBI_HART_EXT_ZIHPM:
+???????????????estr = "zihpm";
+???????????????break;
????????default:
????????????????break;
????????}
lib/sbi/sbi_hart.c +0 -0
@@ -637,6 +640,9 @@ __pmp_skip:
???????? */
?
?__mhpm_skip:
+???????if (hfeatures->mhpm_count) +???????????????__sbi_hart_update_extension(hfeatures, +???????????????????????????????????????SBI_HART_EXT_ZIHPM, true); ?
?#undef __check_csr_64
?#undef __check_csr_32
Signature · 1 line
2.34.1

Xiang W

2023-07-05 15:06 UTC #5 lore raw

PATCH 2/4 lib: sbi: Add Zihpm as a HART ISA extension

In reply to Anup Patel

? 2023-07-05???? 17:28 +0530?Anup Patel???

Quoted 37 lines

Recently ratified Zihpm ISA extension covers all [m]hpm* CSRs so we add Zihpm as a HART ISA extension in OpenSBI.
Signed-off-by Anup Patel <[email protected]>
---
?include/sbi/sbi_hart.h | 2 ++
?lib/sbi/sbi_hart.c???? | 6 ++++++
?2 files changed, 8 insertions(+)
include/sbi/sbi_hart.h +0 -0
index d48940d..938248f 100644
@@ -36,6 +36,8 @@ enum sbi_hart_extensions {
 ????????SBI_HART_EXT_SMSTATEEN,
????????/** HART has Sstc extension */
????????SBI_HART_EXT_SSTC,
+???????/** HART has Zihpm extension */
+???????SBI_HART_EXT_ZIHPM,
?
????????/** Maximum index of Hart extension */
????????SBI_HART_EXT_MAX,
lib/sbi/sbi_hart.c +0 -0
index c470482..435771c 100644
@@ -453,6 +453,9 @@ static inline char *sbi_hart_extension_id2string(int ext)
????????case SBI_HART_EXT_SMSTATEEN:
????????????????estr = "smstateen";
????????????????break;
+???????case SBI_HART_EXT_ZIHPM:
+???????????????estr = "zihpm";
+???????????????break;
????????default:
????????????????break;
????????}
lib/sbi/sbi_hart.c +0 -0
@@ -637,6 +640,9 @@ __pmp_skip:

Quoted 6 lines

???????? */
?
?__mhpm_skip:
+???????if (hfeatures->mhpm_count) +???????????????__sbi_hart_update_extension(hfeatures, +???????????????????????????????????????SBI_HART_EXT_ZIHPM, true);

allwinner D1 sets mhpm_count in sbi_platform_extensions_init. We should call __sbi_hart_update_extension again in the code of D1.

Regards,
Xiang W

Quoted 7 lines

?
?#undef __check_csr_64
?#undef __check_csr_32
Signature · 1 line
2.34.1

Anup Patel

author

2023-07-06 04:09 UTC #6 lore raw

PATCH 2/4 lib: sbi: Add Zihpm as a HART ISA extension

Quoted 41 lines · On Wed, Jul 5, 2023 at 8:36?PM Xiang W <[email protected]> wrote:

? 2023-07-05???? 17:28 +0530?Anup Patel???

Quoted 39 lines

Recently ratified Zihpm ISA extension covers all [m]hpm* CSRs so we add Zihpm as a HART ISA extension in OpenSBI.

Signed-off-by Anup Patel <[email protected]>

---
 include/sbi/sbi_hart.h | 2 ++
 lib/sbi/sbi_hart.c     | 6 ++++++
 2 files changed, 8 insertions(+)

include/sbi/sbi_hart.h +2 -0

index d48940d..938248f 100644
@@ -36,6 +36,8 @@ enum sbi_hart_extensions {
        SBI_HART_EXT_SMSTATEEN,
        /** HART has Sstc extension */
        SBI_HART_EXT_SSTC,
+       /** HART has Zihpm extension */
+       SBI_HART_EXT_ZIHPM,
 
        /** Maximum index of Hart extension */
        SBI_HART_EXT_MAX,

lib/sbi/sbi_hart.c +3 -0

index c470482..435771c 100644
@@ -453,6 +453,9 @@ static inline char *sbi_hart_extension_id2string(int ext)
        case SBI_HART_EXT_SMSTATEEN:
                estr = "smstateen";
                break;
+       case SBI_HART_EXT_ZIHPM:
+               estr = "zihpm";
+               break;
        default:
                break;
        }

@@ -637,6 +640,9 @@ __pmp_skip:
         */

Quoted 6 lines

lib/sbi/sbi_hart.c __pmp_skip: · line 645
Quoted 4 lines
lib/sbi/sbi_hart.c +3 -0
 __mhpm_skip:
+       if (hfeatures->mhpm_count)
+               __sbi_hart_update_extension(hfeatures,
+                                       SBI_HART_EXT_ZIHPM, true);
allwinner D1 sets mhpm_count in sbi_platform_extensions_init. We should call __sbi_hart_update_extension again in the code of D1.

Ahh, yes. I forgot about D1. Good catch.

We should set SBI_HART_EXT_ZIHPM in hart_detect_features() after calling sbi_platform_extensions_init().

I will update this in v2.

Regards,
Anup

Quoted 11 lines

Regards,
Xiang W
Quoted 7 lines
lib/sbi/sbi_hart.c +0 -1
 #undef __check_csr_64
 #undef __check_csr_32
--
2.34.1

Anup Patel

author

2023-07-05 11:58 UTC #7 lore raw

PATCH 3/4 lib: sbi: Alphabetically sort HART ISA extensions

In reply to Anup Patel

Let us follow alphabetical order for HART ISA extension so that it is simpler to maintain.

Signed-off-by Anup Patel <[email protected]>

---
 include/sbi/sbi_hart.h | 10 +++++-----
 lib/sbi/sbi_hart.c     | 16 ++++++++--------
 2 files changed, 13 insertions(+), 13 deletions(-)

include/sbi/sbi_hart.h +5 -5

index 938248f..b97f78c 100644
@@ -26,16 +26,16 @@ enum sbi_hart_priv_versions {
 
 /** Possible ISA extensions of a hart */
 enum sbi_hart_extensions {
-	/** Hart has Sscofpmt extension */
-	SBI_HART_EXT_SSCOFPMF = 0,
-	/** HART has Zicntr extension (i.e. HW cycle, time & instret CSRs) */
-	SBI_HART_EXT_ZICNTR,
 	/** HART has AIA M-mode CSRs */
-	SBI_HART_EXT_SMAIA,
+	SBI_HART_EXT_SMAIA = 0,
 	/** HART has Smstateen CSR **/
 	SBI_HART_EXT_SMSTATEEN,
+	/** Hart has Sscofpmt extension */
+	SBI_HART_EXT_SSCOFPMF,
 	/** HART has Sstc extension */
 	SBI_HART_EXT_SSTC,
+	/** HART has Zicntr extension (i.e. HW cycle, time & instret CSRs) */
+	SBI_HART_EXT_ZICNTR,
 	/** HART has Zihpm extension */
 	SBI_HART_EXT_ZIHPM,

lib/sbi/sbi_hart.c +8 -8

index 435771c..380e615 100644
@@ -438,20 +438,20 @@ static inline char *sbi_hart_extension_id2string(int ext)
 	char *estr = NULL;
 
 	switch (ext) {
-	case SBI_HART_EXT_SSCOFPMF:
-		estr = "sscofpmf";
-		break;
-	case SBI_HART_EXT_ZICNTR:
-		estr = "zicntr";
-		break;
 	case SBI_HART_EXT_SMAIA:
 		estr = "smaia";
 		break;
+	case SBI_HART_EXT_SMSTATEEN:
+		estr = "smstateen";
+		break;
+	case SBI_HART_EXT_SSCOFPMF:
+		estr = "sscofpmf";
+		break;
 	case SBI_HART_EXT_SSTC:
 		estr = "sstc";
 		break;
-	case SBI_HART_EXT_SMSTATEEN:
-		estr = "smstateen";
+	case SBI_HART_EXT_ZICNTR:
+		estr = "zicntr";
 		break;
 	case SBI_HART_EXT_ZIHPM:
 		estr = "zihpm";

Signature · 1 line

2.34.1

Xiang W

2023-07-05 14:46 UTC #8 lore raw

PATCH 3/4 lib: sbi: Alphabetically sort HART ISA extensions

? 2023-07-05???? 17:28 +0530?Anup Patel???

Quoted 4 lines

Let us follow alphabetical order for HART ISA extension so that it is simpler to maintain.
Signed-off-by Anup Patel <[email protected]>

Look good to me.

Reviewed-by Xiang W <[email protected]>

Quoted 68 lines

---
?include/sbi/sbi_hart.h | 10 +++++----- ?lib/sbi/sbi_hart.c???? | 16 ++++++++-------- ?2 files changed, 13 insertions(+), 13 deletions(-)
include/sbi/sbi_hart.h +0 -0
index 938248f..b97f78c 100644
@@ -26,16 +26,16 @@ enum sbi_hart_priv_versions {
?
?/** Possible ISA extensions of a hart */
?enum sbi_hart_extensions {
-???????/** Hart has Sscofpmt extension */ -???????SBI_HART_EXT_SSCOFPMF = 0,
-???????/** HART has Zicntr extension (i.e. HW cycle, time & instret CSRs) */ -???????SBI_HART_EXT_ZICNTR,
????????/** HART has AIA M-mode CSRs */ -???????SBI_HART_EXT_SMAIA,
+???????SBI_HART_EXT_SMAIA = 0,
????????/** HART has Smstateen CSR **/ ????????SBI_HART_EXT_SMSTATEEN,
+???????/** Hart has Sscofpmt extension */ +???????SBI_HART_EXT_SSCOFPMF,
????????/** HART has Sstc extension */
????????SBI_HART_EXT_SSTC,
+???????/** HART has Zicntr extension (i.e. HW cycle, time & instret CSRs) */ +???????SBI_HART_EXT_ZICNTR,
????????/** HART has Zihpm extension */ ????????SBI_HART_EXT_ZIHPM,
?
lib/sbi/sbi_hart.c +0 -0
index 435771c..380e615 100644
@@ -438,20 +438,20 @@ static inline char *sbi_hart_extension_id2string(int ext)
 ????????char *estr = NULL;
?
????????switch (ext) {
-???????case SBI_HART_EXT_SSCOFPMF:
-???????????????estr = "sscofpmf";
-???????????????break;
-???????case SBI_HART_EXT_ZICNTR:
-???????????????estr = "zicntr";
-???????????????break;
????????case SBI_HART_EXT_SMAIA:
????????????????estr = "smaia";
????????????????break;
+???????case SBI_HART_EXT_SMSTATEEN:
+???????????????estr = "smstateen";
+???????????????break;
+???????case SBI_HART_EXT_SSCOFPMF:
+???????????????estr = "sscofpmf";
+???????????????break;
????????case SBI_HART_EXT_SSTC:
????????????????estr = "sstc";
????????????????break;
-???????case SBI_HART_EXT_SMSTATEEN:
-???????????????estr = "smstateen";
+???????case SBI_HART_EXT_ZICNTR:
+???????????????estr = "zicntr";
????????????????break;
????????case SBI_HART_EXT_ZIHPM:
????????????????estr = "zihpm";
Signature · 1 line
2.34.1

Anup Patel

author

2023-07-05 11:58 UTC #9 lore raw

PATCH 4/4 lib: sbi: Rename hart_pmu_get_allowed_bits() function

In reply to Anup Patel

The hart_pmu_get_allowed_bits() function detects implemented bits of mhpm counters so let us rename this function accordingly.

Signed-off-by Anup Patel <[email protected]>

---
 lib/sbi/sbi_hart.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

lib/sbi/sbi_hart.c +2 -2

index 380e615..25277a5 100644
@@ -527,7 +527,7 @@ static unsigned long hart_pmp_get_allowed_addr(void)
 	return val;
 }
 
-static int hart_pmu_get_allowed_bits(void)
+static int hart_mhpm_get_allowed_bits(void)
 {
 	unsigned long val = ~(0UL);
 	struct sbi_trap_info trap = {0};

@@ -628,7 +628,7 @@ __pmp_skip:
 
 	/* Detect number of MHPM counters */
 	__check_csr(CSR_MHPMCOUNTER3, 0, 1UL, mhpm_count, __mhpm_skip);
-	hfeatures->mhpm_bits = hart_pmu_get_allowed_bits();
+	hfeatures->mhpm_bits = hart_mhpm_get_allowed_bits();
 
 	__check_csr_4(CSR_MHPMCOUNTER4, 0, 1UL, mhpm_count, __mhpm_skip);
 	__check_csr_8(CSR_MHPMCOUNTER8, 0, 1UL, mhpm_count, __mhpm_skip);

Signature · 1 line

2.34.1

Xiang W

2023-07-05 14:47 UTC #10 lore raw

PATCH 4/4 lib: sbi: Rename hart_pmu_get_allowed_bits() function

? 2023-07-05???? 17:28 +0530?Anup Patel???

Quoted 4 lines

The hart_pmu_get_allowed_bits() function detects implemented bits of mhpm counters so let us rename this function accordingly.
Signed-off-by Anup Patel <[email protected]>

Look good to me.

Reviewed-by Xiang W <[email protected]>

Quoted 30 lines

---
?lib/sbi/sbi_hart.c | 4 ++--
?1 file changed, 2 insertions(+), 2 deletions(-)
lib/sbi/sbi_hart.c +0 -0
index 380e615..25277a5 100644
@@ -527,7 +527,7 @@ static unsigned long hart_pmp_get_allowed_addr(void)
 ????????return val;
 ?}
?
lib/sbi/sbi_hart.c +1 -1
-static int hart_pmu_get_allowed_bits(void)
+static int hart_mhpm_get_allowed_bits(void)
?{
????????unsigned long val = ~(0UL);
????????struct sbi_trap_info trap = {0};
lib/sbi/sbi_hart.c +0 -0
@@ -628,7 +628,7 @@ __pmp_skip:
?
????????/* Detect number of MHPM counters */ ????????__check_csr(CSR_MHPMCOUNTER3, 0, 1UL, mhpm_count, __mhpm_skip); -???????hfeatures->mhpm_bits = hart_pmu_get_allowed_bits(); +???????hfeatures->mhpm_bits = hart_mhpm_get_allowed_bits(); ?
????????__check_csr_4(CSR_MHPMCOUNTER4, 0, 1UL, mhpm_count, __mhpm_skip); ????????__check_csr_8(CSR_MHPMCOUNTER8, 0, 1UL, mhpm_count, __mhpm_skip);
Signature · 1 line
2.34.1