aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2021-07-23 17:21:45 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-07-27 10:57:39 +0100
commit7caad65756c0afaf4b238b068ab61481eb68a1dc (patch)
tree3867aea2a0de36d6596ead7eea4585261efcfa3c /hw
parent41487794f5af977e992870e18521bed88daa68d5 (diff)
hw/intc/armv7m_nvic: Correct size of ICSR.VECTPENDING
The VECTPENDING field in the ICSR is 9 bits wide, in bits [20:12] of the register. We were incorrectly masking it to 8 bits, so it would report the wrong value if the pending exception was greater than 256. Fix the bug. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210723162146.5167-6-peter.maydell@linaro.org
Diffstat (limited to 'hw')
-rw-r--r--hw/intc/armv7m_nvic.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 2aba213682..c9149a3b22 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -1039,7 +1039,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
/* VECTACTIVE */
val = cpu->env.v7m.exception;
/* VECTPENDING */
- val |= (s->vectpending & 0xff) << 12;
+ val |= (s->vectpending & 0x1ff) << 12;
/* ISRPENDING - set if any external IRQ is pending */
if (nvic_isrpending(s)) {
val |= (1 << 22);