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[Qemu-devel] [PATCH 2/3] arm_gic: GICD_ICFGR: Write model only for pre v


From: Adam Lackorzynski
Subject: [Qemu-devel] [PATCH 2/3] arm_gic: GICD_ICFGR: Write model only for pre v1 GICs
Date: Sat, 16 Aug 2014 21:48:20 +0200

Setting the model is only available in pre-v1 GIC models.
---
 hw/intc/arm_gic.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index d2b1aaf..e546647 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -561,10 +561,12 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
         if (irq < GIC_INTERNAL)
             value |= 0xaa;
         for (i = 0; i < 4; i++) {
-            if (value & (1 << (i * 2))) {
-                GIC_SET_MODEL(irq + i);
-            } else {
-                GIC_CLEAR_MODEL(irq + i);
+            if (s->revision == REV_11MPCORE || s->revision == REV_NVIC) {
+                if (value & (1 << (i * 2))) {
+                    GIC_SET_MODEL(irq + i);
+                } else {
+                    GIC_CLEAR_MODEL(irq + i);
+                }
             }
             if (value & (2 << (i * 2))) {
                 GIC_SET_EDGE_TRIGGER(irq + i);
-- 
2.1.0.rc1




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