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dev-arm: Fix GICv3 LPIs priority value

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Priority bits in the LPI configuration table entry are only the MSBits
([7:2]) and need to be shifted in order to get the real LPI priority
value.

Change-Id: Id04dd4fa9113a32712c73a7094df498de3c0d2b5
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18594
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Giacomo Travaglini
2019-04-25 10:45:58 +01:00
parent a4f30167f6
commit 7ad6c8031a
1 changed files with 1 additions and 1 deletions
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2
src/dev/arm/gic_v3_redistributor.cc
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@@ -839,7 +839,7 @@ Gicv3Redistributor::update()
bool group_enabled = distributor->groupEnabled(lpi_group);
if (lpi_is_pending && lpi_is_enable && group_enabled) {
uint8_t lpi_priority =config_entry.priority;
uint8_t lpi_priority = config_entry.priority << 2;
if ((lpi_priority < cpuInterface->hppi.prio) ||
(lpi_priority == cpuInterface->hppi.prio &&