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clock: add k_cycle_get_64

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This change adds `k_cycle_get_64()` on platforms that
support a 64-bit cycle counter.

The interface functions `arch_k_cycle_get_64()` and
`sys_clock_cycle_get_64()` are also introduced.

Fixes #39934

Signed-off-by: Christopher Friedt <chrisfriedt@gmail.com>
This commit is contained in:
Christopher Friedt 2021-10-29 20:10:35 -04:00
commit 918a574c88
25 changed files with 205 additions and 4 deletions
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6
drivers/timer/hpet.c
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@ -438,6 +438,12 @@ uint32_t sys_clock_cycle_get_32(void)
return (uint32_t)hpet_counter_get();
}
__pinned_func
uint64_t sys_clock_cycle_get_64(void)
{
return hpet_counter_get();
}
__pinned_func
void sys_clock_idle_exit(void)
{