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kernel: add flexibility to k_cycle_get_32() definition

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Some arches may want to define this as an inline function, or
define in core arch code instead of timer driver code.
Unfortunately, this means we need to remove from the footprint
tests, but this is not typically a large function.

Issue: ZEP-1546
Change-Id: Ic0d7a33507da855995838f4703d872cd613a2ca2
Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2017-02-15 13:40:17 -08:00
commit e08d07c97d
18 changed files with 28 additions and 12 deletions
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drivers/timer/cortex_m_systick.c
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@ -557,7 +557,7 @@ int _sys_clock_driver_init(struct device *device)
* systick counter is a 24-bit down counter which is reset to "reload" value
* once it reaches 0.
*/
uint32_t k_cycle_get_32(void)
uint32_t _timer_cycle_get_32(void)
{
return clock_accumulated_count + (SysTick->LOAD - SysTick->VAL);
}