andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Introduce MIN()/MAX() macros in utils.h 

Change-Id: If88270bc9edb32634a793b1e1be6c4829f39b9c5
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
This commit is contained in:
dp-arm 2017-03-21 15:38:06 +00:00
parent 51faada71a
commit 233d83d06c
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
include/lib/utils.h
View File

@ -42,6 +42,20 @@
#define BIT(nr) (1UL << (nr))
#define MIN(x, y) __extension__ ({ \
__typeof__(x) _x = (x); \
__typeof__(y) _y = (y); \
(void)(&_x == &_y); \
_x < _y ? _x : _y; \
})
#define MAX(x, y) __extension__ ({ \
__typeof__(x) _x = (x); \
__typeof__(y) _y = (y); \
(void)(&_x == &_y); \
_x > _y ? _x : _y; \
})
/*
* The round_up() macro rounds up a value to the given boundary in a
* type-agnostic yet type-safe manner. The boundary must be a power of two.