diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c index 74b25ce92c..eb49fd77c7 100644 --- a/hw/intc/armv7m_nvic.c +++ b/hw/intc/armv7m_nvic.c @@ -776,6 +776,14 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs) switch (offset) { case 4: /* Interrupt Control Type. */ return ((s->num_irq - NVIC_FIRST_IRQ) / 32) - 1; + case 0xc: /* CPPWR */ + if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) { + goto bad_offset; + } + /* We make the IMPDEF choice that nothing can ever go into a + * non-retentive power state, which allows us to RAZ/WI this. + */ + return 0; case 0x380 ... 0x3bf: /* NVIC_ITNS */ { int startvec = 8 * (offset - 0x380) + NVIC_FIRST_IRQ; @@ -1175,6 +1183,12 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value, ARMCPU *cpu = s->cpu; switch (offset) { + case 0xc: /* CPPWR */ + if (!arm_feature(&cpu->env, ARM_FEATURE_V8)) { + goto bad_offset; + } + /* Make the IMPDEF choice to RAZ/WI this. */ + break; case 0x380 ... 0x3bf: /* NVIC_ITNS */ { int startvec = 8 * (offset - 0x380) + NVIC_FIRST_IRQ;