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Diffstat (limited to 'source/hal/source/platform/mps3/source/timer_mps3.c')
-rw-r--r--source/hal/source/platform/mps3/source/timer_mps3.c200
1 files changed, 119 insertions, 81 deletions
diff --git a/source/hal/source/platform/mps3/source/timer_mps3.c b/source/hal/source/platform/mps3/source/timer_mps3.c
index 3511883..6330269 100644
--- a/source/hal/source/platform/mps3/source/timer_mps3.c
+++ b/source/hal/source/platform/mps3/source/timer_mps3.c
@@ -32,7 +32,28 @@ static uint64_t Get_SysTick_Cycle_Count(void);
*/
static int Init_SysTick(void);
-void timer_reset(void)
+/**
+ * @brief Adds one PMU counter to the counters' array
+ * @param value Value of the counter
+ * @param name Name for the given counter
+ * @param unit Unit for the "value"
+ * @param counters Pointer to the counter struct - the one to be populated.
+ * @return true if successfully added, false otherwise
+ */
+static bool add_pmu_counter(
+ uint64_t value,
+ const char* name,
+ const char* unit,
+ pmu_counters* counters);
+
+/**
+ * @brief Gets the evaluated millisecond timestamp from the given MPS3 counter struct.
+ * @param mps3_counters Pointer to the MPS3 counters.
+ * @return microseconds timestamp as 32 bit unsigned integer.
+ */
+static uint32_t get_tstamp_milliseconds(mps3_pmu_counters* mps3_counters);
+
+void platform_reset_counters(void)
{
MPS3_FPGAIO->CLK1HZ = 0;
MPS3_FPGAIO->CLK100HZ = 0;
@@ -42,85 +63,93 @@ void timer_reset(void)
printf_err("Failed to initialise system tick config\n");
}
debug("system tick config ready\n");
-}
-base_time_counter get_time_counter(void)
-{
- base_time_counter t = {
- .counter_1Hz = MPS3_FPGAIO->CLK1HZ,
- .counter_100Hz = MPS3_FPGAIO->CLK100HZ,
- .counter_fpga = MPS3_FPGAIO->COUNTER,
- .counter_systick = Get_SysTick_Cycle_Count()
- };
- debug("Timestamp:\n");
- debug("\tCounter 1 Hz: %" PRIu32 "\n", t.counter_1Hz);
- debug("\tCounter 100 Hz: %" PRIu32 "\n", t.counter_100Hz);
- debug("\tCounter FPGA: %" PRIu32 "\n", t.counter_fpga);
- debug("\tCounter CPU: %" PRIu64 "\n", t.counter_systick);
- return t;
+#if defined (ARM_NPU)
+ ethosu_pmu_init();
+#endif /* defined (ARM_NPU) */
}
-/**
- * Please note, that there are no checks for overflow in this function => if
- * the time elapsed has been big (in days) this could happen and is currently
- * not handled.
- **/
-uint32_t get_duration_milliseconds(base_time_counter *start,
- base_time_counter *end)
+pmu_counters platform_get_counters(void)
{
- uint32_t time_elapsed = 0;
- if (end->counter_100Hz > start->counter_100Hz) {
- time_elapsed = (end->counter_100Hz - start->counter_100Hz) * 10;
- } else {
- time_elapsed = (end->counter_1Hz - start->counter_1Hz) * 1000 +
- ((0xFFFFFFFF - start->counter_100Hz) + end->counter_100Hz + 1) * 10;
+ pmu_counters platform_counters = {
+ .num_counters = 0,
+ .initialised = true
+ };
+ uint32_t i = 0;
+
+#if defined (ARM_NPU)
+ ethosu_pmu_counters npu_counters = ethosu_get_pmu_counters();
+ for (i = 0; i < ETHOSU_PMU_NCOUNTERS; ++i) {
+ add_pmu_counter(
+ npu_counters.npu_evt_counters[i].counter_value,
+ npu_counters.npu_evt_counters[i].name,
+ npu_counters.npu_evt_counters[i].unit,
+ &platform_counters);
}
-
- /* If the time elapsed is less than 100ms, use microseconds count to be
- * more precise */
- if (time_elapsed < 100) {
- debug("Using the microsecond function instead..\n");
- return get_duration_microseconds(start, end)/1000;
+ for (i = 0; i < ETHOSU_DERIVED_NCOUNTERS; ++i) {
+ add_pmu_counter(
+ npu_counters.npu_derived_counters[i].counter_value,
+ npu_counters.npu_derived_counters[i].name,
+ npu_counters.npu_derived_counters[i].unit,
+ &platform_counters);
}
+ add_pmu_counter(
+ npu_counters.npu_total_ccnt,
+ "NPU TOTAL",
+ "cycles",
+ &platform_counters);
+#endif /* defined (ARM_NPU) */
+
+#if defined(CPU_PROFILE_ENABLED)
+ mps3_pmu_counters mps3_counters = {
+ .counter_1Hz = MPS3_FPGAIO->CLK1HZ,
+ .counter_100Hz = MPS3_FPGAIO->CLK100HZ,
+ .counter_fpga = MPS3_FPGAIO->COUNTER,
+ .counter_systick = Get_SysTick_Cycle_Count()
+ };
- return time_elapsed;
+ add_pmu_counter(
+ mps3_counters.counter_systick,
+ "CPU TOTAL",
+ "cycles",
+ &platform_counters);
+
+ add_pmu_counter(
+ get_tstamp_milliseconds(&mps3_counters),
+ "DURATION",
+ "milliseconds",
+ &platform_counters);
+#endif /* defined(CPU_PROFILE_ENABLED) */
+
+#if !defined(CPU_PROFILE_ENABLED)
+ UNUSED(get_tstamp_milliseconds);
+ UNUSED(Get_SysTick_Cycle_Count);
+#if !defined(ARM_NPU)
+ UNUSED(add_pmu_counter);
+ UNUSED(i);
+#endif /* !defined(ARM_NPU) */
+#endif /* !defined(CPU_PROFILE_ENABLED) */
+
+ return platform_counters;
}
-/**
- * Like the microsecond counterpart, this function could return wrong results when
- * the counter (MAINCLK) overflows. There are no overflow counters available.
- **/
-uint32_t get_duration_microseconds(base_time_counter *start,
- base_time_counter *end)
+uint32_t get_mps3_core_clock(void)
{
- const int divisor = get_mps3_core_clock()/1000000;
- uint32_t time_elapsed = 0;
- if (end->counter_fpga > start->counter_fpga) {
- time_elapsed = (end->counter_fpga - start->counter_fpga)/divisor;
- } else {
- time_elapsed = ((0xFFFFFFFF - end->counter_fpga)
- + start->counter_fpga + 1)/divisor;
+ const uint32_t default_clock = 32000000 /* 32 MHz clock */;
+ static int warned_once = 0;
+ if (0 != MPS3_SCC->CFG_ACLK) {
+ if (default_clock != MPS3_SCC->CFG_ACLK) {
+ warn("System clock is different to the MPS3 config set clock.\n");
+ }
+ return MPS3_SCC->CFG_ACLK;
}
- return time_elapsed;
-}
-uint64_t get_cycle_count_diff(base_time_counter *start,
- base_time_counter *end)
-{
- if (start->counter_systick > end->counter_systick) {
- warn("start > end; counter might have overflown\n");
+ if (!warned_once) {
+ warn("MPS3_SCC->CFG_ACLK reads 0. Assuming default clock of %" PRIu32 "\n",
+ default_clock);
+ warned_once = 1;
}
- return end->counter_systick - start->counter_systick;
-}
-
-void start_cycle_counter(void)
-{
- /* Nothing to do for FPGA */
-}
-
-void stop_cycle_counter(void)
-{
- /* Nothing to do for FPGA */
+ return default_clock;
}
void SysTick_Handler(void)
@@ -173,21 +202,30 @@ static int Init_SysTick(void)
return err;
}
-uint32_t get_mps3_core_clock(void)
+static bool add_pmu_counter(uint64_t value,
+ const char* name,
+ const char* unit,
+ pmu_counters* counters)
{
- const uint32_t default_clock = 32000000 /* 32 MHz clock */;
- static int warned_once = 0;
- if (0 != MPS3_SCC->CFG_ACLK) {
- if (default_clock != MPS3_SCC->CFG_ACLK) {
- warn("System clock is different to the MPS3 config set clock.\n");
- }
- return MPS3_SCC->CFG_ACLK;
+ const uint32_t idx = counters->num_counters;
+ if (idx < NUM_PMU_COUNTERS) {
+ counters->counters[idx].value = value;
+ counters->counters[idx].name = name;
+ counters->counters[idx].unit = unit;
+ ++counters->num_counters;
+
+ debug("%s: %" PRIu64 " %s\n", name, value, unit);
+ return true;
}
+ printf_err("Failed to add PMU counter!\n");
+ return false;
+}
- if (!warned_once) {
- warn("MPS3_SCC->CFG_ACLK reads 0. Assuming default clock of %" PRIu32 "\n",
- default_clock);
- warned_once = 1;
+static uint32_t get_tstamp_milliseconds(mps3_pmu_counters* mps3_counters)
+{
+ const uint32_t divisor = get_mps3_core_clock() / 1000;
+ if (mps3_counters->counter_100Hz > 100) {
+ return (mps3_counters->counter_100Hz * 10);
}
- return default_clock;
-} \ No newline at end of file
+ return (mps3_counters->counter_systick/divisor);
+}
generated by cgit v1.2.1 (git 2.23.0) at 2024-05-29 02:55:24 +0000