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hw/intc: cannot clear GICv3 ITS CTLR[Enabled] bit 

When Enabled bit is cleared in GITS_CTLR,ITS feature continues
to be enabled.This patch fixes the issue.

Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20211124182246.67691-1-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Shashi Mallela 2021-11-24 13:22:46 -05:00 committed by Peter Maydell
parent bede01170e
commit 2f459cd1a8
1 changed files with 4 additions and 3 deletions
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7
hw/intc/arm_gicv3_its.c
View File

@ -896,13 +896,14 @@ static bool its_writel(GICv3ITSState *s, hwaddr offset,
switch (offset) {
case GITS_CTLR:
s->ctlr |= (value & ~(s->ctlr));
if (s->ctlr & ITS_CTLR_ENABLED) {
if (value & R_GITS_CTLR_ENABLED_MASK) {
s->ctlr |= ITS_CTLR_ENABLED;
extract_table_params(s);
extract_cmdq_params(s);
s->creadr = 0;
process_cmdq(s);
} else {
s->ctlr &= ~ITS_CTLR_ENABLED;
}
break;
case GITS_CBASER: