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[Qemu-devel] [PATCH 2/3] arm_gic: SGIs for GICD_ICFGR are WI
From: |
Adam Lackorzynski |
Subject: |
[Qemu-devel] [PATCH 2/3] arm_gic: SGIs for GICD_ICFGR are WI |
Date: |
Sun, 3 Aug 2014 10:53:46 +0200 |
Writes to SGIs for GICD_ICFGR register must be ignored.
Signed-off-by: Adam Lackorzynski <address@hidden>
---
hw/intc/arm_gic.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index d2b1aaf..cd6e6ea 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -566,10 +566,13 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
} else {
GIC_CLEAR_MODEL(irq + i);
}
- if (value & (2 << (i * 2))) {
- GIC_SET_EDGE_TRIGGER(irq + i);
- } else {
- GIC_CLEAR_EDGE_TRIGGER(irq + i);
+ /* SGIs are WI */
+ if (irq >= 16) {
+ if (value & (2 << (i * 2))) {
+ GIC_SET_EDGE_TRIGGER(irq + i);
+ } else {
+ GIC_CLEAR_EDGE_TRIGGER(irq + i);
+ }
}
}
} else if (offset < 0xf10) {
--
2.0.1