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| author | Doug Gilbert <dgilbert@us.ibm.com> | 2017-09-29 14:21:10 -0500 |
|---|---|---|
| committer | Joshua Hunsberger <jahunsbe@us.ibm.com> | 2018-02-01 16:31:21 -0600 |
| commit | 09d264482beefb609a1f0f0fc875bb1573b31043 (patch) | |
| tree | 97397682fbd63b65c4c4021b32d0ee8fd32f749a | |
| parent | 48a7cd833f42658320c69a611f916b99d154ac34 (diff) | |
| download | talos-hcode-09d264482beefb609a1f0f0fc875bb1573b31043.tar.gz talos-hcode-09d264482beefb609a1f0f0fc875bb1573b31043.zip | |
PPE: Adjust the maximum decrementer count
Change-Id: I4f59cabf7439590ac736e6f64e35acf11e6c5aa9
CQ: SW402715
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46944
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: Martha Broyles <mbroyles@us.ibm.com>
Reviewed-by: William A. Bryan <wilbryan@us.ibm.com>
Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
| -rw-r--r-- | import/chips/p9/procedures/ppe/pk/ppe42/ppe42_core.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_core.c b/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_core.c index e7355257..18e11ddb 100644 --- a/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_core.c +++ b/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_core.c @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HCODE Project */ /* */ -/* COPYRIGHT 2015,2017 */ +/* COPYRIGHT 2015,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -128,9 +128,12 @@ __pk_schedule_hardware_timeout(PkTimebase timeout) { diff = (timeout - now); - if (diff > 0xfffffffful) + // Makeing the maximum DEC counter too big runs the risk + // of the time period being longer than a cycle of the + // external time base register. + if (diff > 0xffff0000ull) { - new_dec = 0xffffffff; + new_dec = 0xffff0000; } else { |
