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Merge pull request #260 from sifive/hpm-fix
HPM fix for e20. Changed EOL type from windows to unix.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,146 +1,146 @@ | ||
| /* Copyright 2020 SiFive, Inc */ | ||
| /* SPDX-License-Identifier: Apache-2.0 */ | ||
|
|
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| #ifndef METAL__HPM_H | ||
| #define METAL__HPM_H | ||
|
|
||
| #include <metal/cpu.h> | ||
|
|
||
| /*! @brief Macros for valid Event IDs */ | ||
| #define METAL_HPM_EVENTID_8 (1UL << 8) | ||
| #define METAL_HPM_EVENTID_9 (1UL << 9) | ||
| #define METAL_HPM_EVENTID_10 (1UL << 10) | ||
| #define METAL_HPM_EVENTID_11 (1UL << 11) | ||
| #define METAL_HPM_EVENTID_12 (1UL << 12) | ||
| #define METAL_HPM_EVENTID_13 (1UL << 13) | ||
| #define METAL_HPM_EVENTID_14 (1UL << 14) | ||
| #define METAL_HPM_EVENTID_15 (1UL << 15) | ||
| #define METAL_HPM_EVENTID_16 (1UL << 16) | ||
| #define METAL_HPM_EVENTID_17 (1UL << 17) | ||
| #define METAL_HPM_EVENTID_18 (1UL << 18) | ||
| #define METAL_HPM_EVENTID_19 (1UL << 19) | ||
| #define METAL_HPM_EVENTID_20 (1UL << 20) | ||
| #define METAL_HPM_EVENTID_21 (1UL << 21) | ||
| #define METAL_HPM_EVENTID_22 (1UL << 22) | ||
| #define METAL_HPM_EVENTID_23 (1UL << 23) | ||
| #define METAL_HPM_EVENTID_24 (1UL << 24) | ||
| #define METAL_HPM_EVENTID_25 (1UL << 25) | ||
| #define METAL_HPM_EVENTID_26 (1UL << 26) | ||
| #define METAL_HPM_EVENTID_27 (1UL << 27) | ||
| #define METAL_HPM_EVENTID_28 (1UL << 28) | ||
| #define METAL_HPM_EVENTID_29 (1UL << 29) | ||
| #define METAL_HPM_EVENTID_30 (1UL << 30) | ||
| #define METAL_HPM_EVENTID_31 (1UL << 31) | ||
|
|
||
| /*! @brief Macros for valid Event Class */ | ||
| #define METAL_HPM_EVENTCLASS_0 (0UL) | ||
| #define METAL_HPM_EVENTCLASS_1 (1UL) | ||
| #define METAL_HPM_EVENTCLASS_2 (2UL) | ||
| #define METAL_HPM_EVENTCLASS_3 (3UL) | ||
| #define METAL_HPM_EVENTCLASS_4 (4UL) | ||
| #define METAL_HPM_EVENTCLASS_5 (5UL) | ||
| #define METAL_HPM_EVENTCLASS_6 (6UL) | ||
| #define METAL_HPM_EVENTCLASS_7 (7UL) | ||
| #define METAL_HPM_EVENTCLASS_8 (8UL) | ||
|
|
||
| /*! @brief Enums for available HPM counters */ | ||
| typedef enum { | ||
| METAL_HPM_CYCLE = 0, | ||
| METAL_HPM_TIME = 1, | ||
| METAL_HPM_INSTRET = 2, | ||
| METAL_HPM_COUNTER_3 = 3, | ||
| METAL_HPM_COUNTER_4 = 4, | ||
| METAL_HPM_COUNTER_5 = 5, | ||
| METAL_HPM_COUNTER_6 = 6, | ||
| METAL_HPM_COUNTER_7 = 7, | ||
| METAL_HPM_COUNTER_8 = 8, | ||
| METAL_HPM_COUNTER_9 = 9, | ||
| METAL_HPM_COUNTER_10 = 10, | ||
| METAL_HPM_COUNTER_11 = 11, | ||
| METAL_HPM_COUNTER_12 = 12, | ||
| METAL_HPM_COUNTER_13 = 13, | ||
| METAL_HPM_COUNTER_14 = 14, | ||
| METAL_HPM_COUNTER_15 = 15, | ||
| METAL_HPM_COUNTER_16 = 16, | ||
| METAL_HPM_COUNTER_17 = 17, | ||
| METAL_HPM_COUNTER_18 = 18, | ||
| METAL_HPM_COUNTER_19 = 19, | ||
| METAL_HPM_COUNTER_20 = 20, | ||
| METAL_HPM_COUNTER_21 = 21, | ||
| METAL_HPM_COUNTER_22 = 22, | ||
| METAL_HPM_COUNTER_23 = 23, | ||
| METAL_HPM_COUNTER_24 = 24, | ||
| METAL_HPM_COUNTER_25 = 25, | ||
| METAL_HPM_COUNTER_26 = 26, | ||
| METAL_HPM_COUNTER_27 = 27, | ||
| METAL_HPM_COUNTER_28 = 28, | ||
| METAL_HPM_COUNTER_29 = 29, | ||
| METAL_HPM_COUNTER_30 = 30, | ||
| METAL_HPM_COUNTER_31 = 31 | ||
| } metal_hpm_counter; | ||
|
|
||
| /*! @brief Initialize hardware performance monitor counters. | ||
| * @param cpu The CPU device handle. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_init(struct metal_cpu *cpu); | ||
|
|
||
| /*! @brief Disables hardware performance monitor counters. | ||
| * Note - Disabled HPM counters may reduce power consumption. | ||
| * @param cpu The CPU device handle. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_disable(struct metal_cpu *cpu); | ||
|
|
||
| /*! @brief Set events which will cause the specified counter to increment. | ||
| * Counter will start incrementing from the moment events are set. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter to be incremented by selected events. | ||
| * @param bitmask Bit-mask to select events for a particular counter, | ||
| * refer core reference manual for selection of events. | ||
| * Event bit mask is partitioned as follows: | ||
| * [XLEN-1:8] - Event selection mask [7:0] - Event class | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_set_event(struct metal_cpu *cpu, metal_hpm_counter counter, | ||
| unsigned int bitmask); | ||
|
|
||
| /*! @brief Get events selection mask set for specified counter. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return Event selection bit mask. refer core reference manual for details.*/ | ||
| unsigned int metal_hpm_get_event(struct metal_cpu *cpu, | ||
| metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Clear event selector bits as per specified bit-mask. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_clr_event(struct metal_cpu *cpu, metal_hpm_counter counter, | ||
| unsigned int bitmask); | ||
|
|
||
| /*! @brief Enable counter access to next lower privilege mode. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_enable_access(struct metal_cpu *cpu, metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Disable counter access to next lower privilege mode. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_disable_access(struct metal_cpu *cpu, metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Reads current value of specified hardware counter. | ||
| * Note: 'mtime' register is memory mapped into CLINT block. | ||
| * Use CLINT APIs to access this register. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return Current value of hardware counter on success, 0 on failure.*/ | ||
| unsigned long long metal_hpm_read_counter(struct metal_cpu *cpu, | ||
| metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Clears off specified counter. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_clear_counter(struct metal_cpu *cpu, metal_hpm_counter counter); | ||
|
|
||
| #endif | ||
| /* Copyright 2020 SiFive, Inc */ | ||
| /* SPDX-License-Identifier: Apache-2.0 */ | ||
|
|
||
| #ifndef METAL__HPM_H | ||
| #define METAL__HPM_H | ||
|
|
||
| #include <metal/cpu.h> | ||
|
|
||
| /*! @brief Macros for valid Event IDs */ | ||
| #define METAL_HPM_EVENTID_8 (1UL << 8) | ||
| #define METAL_HPM_EVENTID_9 (1UL << 9) | ||
| #define METAL_HPM_EVENTID_10 (1UL << 10) | ||
| #define METAL_HPM_EVENTID_11 (1UL << 11) | ||
| #define METAL_HPM_EVENTID_12 (1UL << 12) | ||
| #define METAL_HPM_EVENTID_13 (1UL << 13) | ||
| #define METAL_HPM_EVENTID_14 (1UL << 14) | ||
| #define METAL_HPM_EVENTID_15 (1UL << 15) | ||
| #define METAL_HPM_EVENTID_16 (1UL << 16) | ||
| #define METAL_HPM_EVENTID_17 (1UL << 17) | ||
| #define METAL_HPM_EVENTID_18 (1UL << 18) | ||
| #define METAL_HPM_EVENTID_19 (1UL << 19) | ||
| #define METAL_HPM_EVENTID_20 (1UL << 20) | ||
| #define METAL_HPM_EVENTID_21 (1UL << 21) | ||
| #define METAL_HPM_EVENTID_22 (1UL << 22) | ||
| #define METAL_HPM_EVENTID_23 (1UL << 23) | ||
| #define METAL_HPM_EVENTID_24 (1UL << 24) | ||
| #define METAL_HPM_EVENTID_25 (1UL << 25) | ||
| #define METAL_HPM_EVENTID_26 (1UL << 26) | ||
| #define METAL_HPM_EVENTID_27 (1UL << 27) | ||
| #define METAL_HPM_EVENTID_28 (1UL << 28) | ||
| #define METAL_HPM_EVENTID_29 (1UL << 29) | ||
| #define METAL_HPM_EVENTID_30 (1UL << 30) | ||
| #define METAL_HPM_EVENTID_31 (1UL << 31) | ||
|
|
||
| /*! @brief Macros for valid Event Class */ | ||
| #define METAL_HPM_EVENTCLASS_0 (0UL) | ||
| #define METAL_HPM_EVENTCLASS_1 (1UL) | ||
| #define METAL_HPM_EVENTCLASS_2 (2UL) | ||
| #define METAL_HPM_EVENTCLASS_3 (3UL) | ||
| #define METAL_HPM_EVENTCLASS_4 (4UL) | ||
| #define METAL_HPM_EVENTCLASS_5 (5UL) | ||
| #define METAL_HPM_EVENTCLASS_6 (6UL) | ||
| #define METAL_HPM_EVENTCLASS_7 (7UL) | ||
| #define METAL_HPM_EVENTCLASS_8 (8UL) | ||
|
|
||
| /*! @brief Enums for available HPM counters */ | ||
| typedef enum { | ||
| METAL_HPM_CYCLE = 0, | ||
| METAL_HPM_TIME = 1, | ||
| METAL_HPM_INSTRET = 2, | ||
| METAL_HPM_COUNTER_3 = 3, | ||
| METAL_HPM_COUNTER_4 = 4, | ||
| METAL_HPM_COUNTER_5 = 5, | ||
| METAL_HPM_COUNTER_6 = 6, | ||
| METAL_HPM_COUNTER_7 = 7, | ||
| METAL_HPM_COUNTER_8 = 8, | ||
| METAL_HPM_COUNTER_9 = 9, | ||
| METAL_HPM_COUNTER_10 = 10, | ||
| METAL_HPM_COUNTER_11 = 11, | ||
| METAL_HPM_COUNTER_12 = 12, | ||
| METAL_HPM_COUNTER_13 = 13, | ||
| METAL_HPM_COUNTER_14 = 14, | ||
| METAL_HPM_COUNTER_15 = 15, | ||
| METAL_HPM_COUNTER_16 = 16, | ||
| METAL_HPM_COUNTER_17 = 17, | ||
| METAL_HPM_COUNTER_18 = 18, | ||
| METAL_HPM_COUNTER_19 = 19, | ||
| METAL_HPM_COUNTER_20 = 20, | ||
| METAL_HPM_COUNTER_21 = 21, | ||
| METAL_HPM_COUNTER_22 = 22, | ||
| METAL_HPM_COUNTER_23 = 23, | ||
| METAL_HPM_COUNTER_24 = 24, | ||
| METAL_HPM_COUNTER_25 = 25, | ||
| METAL_HPM_COUNTER_26 = 26, | ||
| METAL_HPM_COUNTER_27 = 27, | ||
| METAL_HPM_COUNTER_28 = 28, | ||
| METAL_HPM_COUNTER_29 = 29, | ||
| METAL_HPM_COUNTER_30 = 30, | ||
| METAL_HPM_COUNTER_31 = 31 | ||
| } metal_hpm_counter; | ||
|
|
||
| /*! @brief Initialize hardware performance monitor counters. | ||
| * @param cpu The CPU device handle. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_init(struct metal_cpu *cpu); | ||
|
|
||
| /*! @brief Disables hardware performance monitor counters. | ||
| * Note - Disabled HPM counters may reduce power consumption. | ||
| * @param cpu The CPU device handle. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_disable(struct metal_cpu *cpu); | ||
|
|
||
| /*! @brief Set events which will cause the specified counter to increment. | ||
| * Counter will start incrementing from the moment events are set. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter to be incremented by selected events. | ||
| * @param bitmask Bit-mask to select events for a particular counter, | ||
| * refer core reference manual for selection of events. | ||
| * Event bit mask is partitioned as follows: | ||
| * [XLEN-1:8] - Event selection mask [7:0] - Event class | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_set_event(struct metal_cpu *cpu, metal_hpm_counter counter, | ||
| unsigned int bitmask); | ||
|
|
||
| /*! @brief Get events selection mask set for specified counter. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return Event selection bit mask. refer core reference manual for details.*/ | ||
| unsigned int metal_hpm_get_event(struct metal_cpu *cpu, | ||
| metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Clear event selector bits as per specified bit-mask. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_clr_event(struct metal_cpu *cpu, metal_hpm_counter counter, | ||
| unsigned int bitmask); | ||
|
|
||
| /*! @brief Enable counter access to next lower privilege mode. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_enable_access(struct metal_cpu *cpu, metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Disable counter access to next lower privilege mode. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_disable_access(struct metal_cpu *cpu, metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Reads current value of specified hardware counter. | ||
| * Note: 'mtime' register is memory mapped into CLINT block. | ||
| * Use CLINT APIs to access this register. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return Current value of hardware counter on success, 0 on failure.*/ | ||
| unsigned long long metal_hpm_read_counter(struct metal_cpu *cpu, | ||
| metal_hpm_counter counter); | ||
|
|
||
| /*! @brief Clears off specified counter. | ||
| * @param cpu The CPU device handle. | ||
| * @param counter Hardware counter. | ||
| * @return 0 If no error.*/ | ||
| int metal_hpm_clear_counter(struct metal_cpu *cpu, metal_hpm_counter counter); | ||
|
|
||
| #endif |
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