Patchwork [5/6] hw/arm_gic: fix target CPUs affected by set enable/pending ops

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Submitter Peter Maydell
Date Dec. 11, 2012, 3:22 p.m.
Message ID <1355239360-29249-6-git-send-email-peter.maydell@linaro.org>
Download mbox | patch
Permalink /patch/205258/
State New
Headers show

Comments

Peter Maydell - Dec. 11, 2012, 3:22 p.m.
From: Daniel Sangorrin <dsl@ertl.jp>

Fix a bug on the ARM GIC model where interrupts are not
set pending on the correct target CPUs when they are
triggered by writes to the Interrupt Set Enable or
Set Pending registers.

Signed-off-by: Daniel Sangorrin <dsl@ertl.jp>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm_gic.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/hw/arm_gic.c b/hw/arm_gic.c
index 672d539..8d769de 100644
--- a/hw/arm_gic.c
+++ b/hw/arm_gic.c
@@ -374,7 +374,8 @@  static void gic_dist_writeb(void *opaque, hwaddr offset,
           value = 0xff;
         for (i = 0; i < 8; i++) {
             if (value & (1 << i)) {
-                int mask = (irq < GIC_INTERNAL) ? (1 << cpu) : GIC_TARGET(irq);
+                int mask =
+                    (irq < GIC_INTERNAL) ? (1 << cpu) : GIC_TARGET(irq + i);
                 int cm = (irq < GIC_INTERNAL) ? (1 << cpu) : ALL_CPU_MASK;
 
                 if (!GIC_TEST_ENABLED(irq + i, cm)) {
@@ -417,7 +418,7 @@  static void gic_dist_writeb(void *opaque, hwaddr offset,
 
         for (i = 0; i < 8; i++) {
             if (value & (1 << i)) {
-                GIC_SET_PENDING(irq + i, GIC_TARGET(irq));
+                GIC_SET_PENDING(irq + i, GIC_TARGET(irq + i));
             }
         }
     } else if (offset < 0x300) {