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libpayload: add *SECS_PER_SEC macros to stddef.h 

this adds convenience definitions for MSECS_PER_SEC, USECS_PER_MSEC,
and USECS_PER_SEC along the lines of the time units in coreboot's
<timer.h>.

Change-Id: I489dc2d1ff55d137936acec74ac875dc7fbc1713
Signed-off-by: Caveh Jalali <caveh@google.com>
Reviewed-on: https://review.coreboot.org/20882
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
This commit is contained in:
Caveh Jalali 2017-08-03 15:58:14 -07:00 committed by Martin Roth
parent ea383676cf
commit 673e014fab
1 changed files with 4 additions and 0 deletions
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4
payloads/libpayload/include/stddef.h
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@ -28,3 +28,7 @@ typedef __SIZE_TYPE__ ssize_t;
#define KHz (1000) #define KHz (1000)
#define MHz (1000*KHz) #define MHz (1000*KHz)
#define GHz (1000*MHz) #define GHz (1000*MHz)
#define USECS_PER_SEC 1000000
#define MSECS_PER_SEC 1000
#define USECS_PER_MSEC (USECS_PER_SEC / MSECS_PER_SEC)