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authorGiacomo Travaglini <giacomo.travaglini@arm.com>2019-04-23 17:38:54 +0100
committerGiacomo Travaglini <giacomo.travaglini@arm.com>2019-05-02 12:44:13 +0000
commit2df87bc1fd5ec12d2206c38338ff8fb26e8d4bcc (patch)
tree5cc011df1e7560c1025cb79db18b1d774bad2080 /src/dev/arm
parent9de1f75f16ecde72856965844ed4bbeb62c33224 (diff)
downloadgem5-2df87bc1fd5ec12d2206c38338ff8fb26e8d4bcc.tar.xz
dev-arm: Fix GICv3 LPI loop
Loop was mistakenly increasing the upper bound of the iteration rather than the index variable itself. Change-Id: I0a5a7bc189bc0954a8a6d9581032c2ed902030da 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/+/18590 Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>
Diffstat (limited to 'src/dev/arm')
-rw-r--r--src/dev/arm/gic_v3_redistributor.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/dev/arm/gic_v3_redistributor.cc b/src/dev/arm/gic_v3_redistributor.cc
index 348cd9627..3039e1e55 100644
--- a/src/dev/arm/gic_v3_redistributor.cc
+++ b/src/dev/arm/gic_v3_redistributor.cc
@@ -830,14 +830,14 @@ Gicv3Redistributor::update()
}
// Check LPIs
- uint32_t largest_lpi_id = 1 << (lpiIDBits + 1);
+ const uint32_t largest_lpi_id = 1 << (lpiIDBits + 1);
char lpi_pending_table[largest_lpi_id / 8];
ThreadContext * tc = gic->getSystem()->getThreadContext(cpuId);
tc->getVirtProxy().readBlob(lpiPendingTablePtr,
(uint8_t *) lpi_pending_table,
sizeof(lpi_pending_table));
for (int lpi_id = SMALLEST_LPI_ID; lpi_id < largest_lpi_id;
- largest_lpi_id++) {
+ lpi_id++) {
uint32_t lpi_pending_entry_byte = lpi_id / 8;
uint8_t lpi_pending_entry_bit_position = lpi_id % 8;
bool lpi_is_pending = lpi_pending_table[lpi_pending_entry_byte] &