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[PULL,06/31] nvic: Make ICSR.RETTOBASE handle banked exceptions

Message ID 1506012099-13605-7-git-send-email-peter.maydell@linaro.org
State Accepted
Commit 028b0da424ba85049557c61f9f0a8a6698352b41
Headers show
Series target-arm queue | expand

Commit Message

Peter Maydell Sept. 21, 2017, 4:41 p.m. UTC 
Update the code in nvic_rettobase() so that it checks the
sec_vectors[] array as well as the vectors[] array if needed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Message-id: 1505240046-11454-7-git-send-email-peter.maydell@linaro.org
---
 hw/intc/armv7m_nvic.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

-- 
2.7.4
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Patch

diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index d745f38..0df5eaf 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -84,9 +84,12 @@  static int nvic_pending_prio(NVICState *s)
 static bool nvic_rettobase(NVICState *s)
 {
     int irq, nhand = 0;
+    bool check_sec = arm_feature(&s->cpu->env, ARM_FEATURE_M_SECURITY);
 
     for (irq = ARMV7M_EXCP_RESET; irq < s->num_irq; irq++) {
-        if (s->vectors[irq].active) {
+        if (s->vectors[irq].active ||
+            (check_sec && irq < NVIC_INTERNAL_VECTORS &&
+             s->sec_vectors[irq].active)) {
             nhand++;
             if (nhand == 2) {
                 return 0;