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| author | Yue Du <daviddu@us.ibm.com> | 2017-06-21 17:21:38 -0500 |
|---|---|---|
| committer | Sachin Gupta <sgupta2m@in.ibm.com> | 2017-06-30 13:12:54 -0400 |
| commit | 11fa67b9093f9f1fcd9c1721682bd61637e11978 (patch) | |
| tree | ed0bd2c31f78d601f22336dacfdec7c5e206f6ab /src/import/chips/p9/procedures | |
| parent | 5a7a21a8ab3713702977c6839781a17a39029870 (diff) | |
| download | talos-sbe-11fa67b9093f9f1fcd9c1721682bd61637e11978.tar.gz talos-sbe-11fa67b9093f9f1fcd9c1721682bd61637e11978.zip | |
STOP: Restore MSR in UIH hook
Change-Id: Id8e0a035a37f7f1b5d3048700fadd0d353e8fbb7
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42248
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: PPE CI <ppe-ci+hostboot@us.ibm.com>
Reviewed-by: BRIAN D. VICTOR <brian.d.victor1@ibm.com>
Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/42262
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Diffstat (limited to 'src/import/chips/p9/procedures')
| -rw-r--r-- | src/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_exceptions.S | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_exceptions.S b/src/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_exceptions.S index 60419cce..9545b819 100644 --- a/src/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_exceptions.S +++ b/src/import/chips/p9/procedures/ppe/pk/ppe42/ppe42_exceptions.S @@ -412,6 +412,11 @@ __get_ext_irq: ## This is HW Macro specific code that is responsible for finding the ## IRQ # and storing it in r4 (phantom IRQ's are assigned a value of EXTERNAL_IRQS). + // restore MSR in interrupt context, for imprecise mode performance + _liwa %r5, PPE42_MSR_INITIAL + mtmsr %r5 + sync + hwmacro_get_ext_irq ## An active or phantom IRQ was found. |
