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RE: [PATCH] hw/nios2: Update interrupt request when CR_STATUS_PIE disabl
From: |
Wu, Wentong |
Subject: |
RE: [PATCH] hw/nios2: Update interrupt request when CR_STATUS_PIE disabled |
Date: |
Fri, 12 Jun 2020 13:43:57 +0000 |
Hi,
Can any body help review this patch ? Thanks in advance!
BR
-----Original Message-----
From: Wu, Wentong <wentong.wu@intel.com>
Sent: Thursday, June 11, 2020 4:13 PM
To: qemu-devel@nongnu.org
Cc: qemu-trivial@nongnu.org; crwulff@gmail.com; marex@denx.de;
thuth@redhat.com; Wu, Wentong <wentong.wu@intel.com>
Subject: [PATCH] hw/nios2: Update interrupt request when CR_STATUS_PIE disabled
Update interrupt request when external interupt pends for STATUS_PIE disabled.
Otherwise on icount enabled nios2 target there will be cpu abort when guest
code changes state register with wrctl instruction.
Signed-off-by: Wentong Wu <wentong.wu@intel.com>
---
hw/nios2/cpu_pic.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/nios2/cpu_pic.c b/hw/nios2/cpu_pic.c index 1c1989d5..2abc8fa8
100644
--- a/hw/nios2/cpu_pic.c
+++ b/hw/nios2/cpu_pic.c
@@ -42,6 +42,8 @@ static void nios2_pic_cpu_handler(void *opaque, int irq, int
level)
} else if (!level) {
env->irq_pending = 0;
cpu_reset_interrupt(cs, type);
+ } else {
+ cs->interrupt_request |= type;
}
} else {
if (level) {
--
2.21.3