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authorDimitris Papastamos <dimitris.papastamos@arm.com>2017-12-13 10:54:37 +0000
committerDimitris Papastamos <dimitris.papastamos@arm.com>2018-01-11 12:27:27 +0000
commit59902b7c4ca2413c2ee783da1bc66789e35868e5 (patch)
tree41996e3ee54e00b237653169a37bb9552f507800 /bl31/bl31.mk
parent7593252cee8745bbf1b05deb2f4a5f742d36c412 (diff)
downloadtrusted-firmware-a-59902b7c4ca2413c2ee783da1bc66789e35868e5.tar.gz
AMU: Add plat interface to select which group 1 counters to enable
A new platform macro `PLAT_AMU_GROUP1_COUNTERS_MASK` controls which group 1 counters should be enabled. The maximum number of group 1 counters supported by AMUv1 is 16 so the mask can be at most 0xffff. If the platform does not define this mask, no group 1 counters are enabled. A related platform macro `PLAT_AMU_GROUP1_NR_COUNTERS` is used by generic code to allocate an array to save and restore the counters on CPU suspend. Change-Id: I6d135badf4846292de931a43bb563077f42bb47b Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
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