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nvic: Make ICSR.RETTOBASE handle banked exceptions 

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
This commit is contained in:
Peter Maydell 2017-09-12 19:13:53 +01:00
parent 3b2e934463
commit 028b0da424
1 changed files with 4 additions and 1 deletions
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5
hw/intc/armv7m_nvic.c
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@ -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;