xiaoxiang781216 commented on code in PR #14929:
URL: https://github.com/apache/nuttx/pull/14929#discussion_r1859102753
##########
arch/arm/src/armv8-r/arm_gicv3.c:
##########
@@ -279,6 +279,68 @@ bool arm_gic_irq_is_enabled(unsigned int intid)
return (val & mask) != 0;
}
+#ifdef CONFIG_ARCH_HIPRI_INTERRUPT
+void arm_gic_set_group(unsigned int intid, unsigned int group)
+{
+ uint32_t mask = BIT(intid & (GIC_NUM_INTR_PER_REG - 1));
+ uint32_t idx = intid / GIC_NUM_INTR_PER_REG;
+ unsigned long base = GET_DIST_BASE(intid);
+ uint32_t igroupr_val;
+ uint32_t igroupmodr_val;
+
+ igroupr_val = getreg32(IGROUPR(base, idx));
+ igroupmodr_val = getreg32(IGROUPMODR(base, idx));
+ if (group == 0)
+ {
+ igroupr_val &= ~mask;
+ igroupmodr_val &= ~mask;
+ }
+ else
+ {
+ igroupr_val |= mask;
+ igroupmodr_val |= mask;
+ }
+
+ putreg32(igroupr_val, IGROUPR(base, idx));
+ putreg32(igroupmodr_val, IGROUPMODR(base, idx));
+}
+
+unsigned int arm_gic_get_active_group0(void)
Review Comment:
static
##########
arch/arm/src/armv8-r/arm_gicv3.c:
##########
@@ -279,6 +279,68 @@ bool arm_gic_irq_is_enabled(unsigned int intid)
return (val & mask) != 0;
}
+#ifdef CONFIG_ARCH_HIPRI_INTERRUPT
+void arm_gic_set_group(unsigned int intid, unsigned int group)
+{
+ uint32_t mask = BIT(intid & (GIC_NUM_INTR_PER_REG - 1));
+ uint32_t idx = intid / GIC_NUM_INTR_PER_REG;
+ unsigned long base = GET_DIST_BASE(intid);
+ uint32_t igroupr_val;
+ uint32_t igroupmodr_val;
+
+ igroupr_val = getreg32(IGROUPR(base, idx));
+ igroupmodr_val = getreg32(IGROUPMODR(base, idx));
+ if (group == 0)
+ {
+ igroupr_val &= ~mask;
+ igroupmodr_val &= ~mask;
+ }
+ else
+ {
+ igroupr_val |= mask;
+ igroupmodr_val |= mask;
+ }
+
+ putreg32(igroupr_val, IGROUPR(base, idx));
+ putreg32(igroupmodr_val, IGROUPMODR(base, idx));
+}
+
+unsigned int arm_gic_get_active_group0(void)
+{
+ int intid;
+
+ /* (Pending -> Active / AP) or (AP -> AP)
+ * Read a Group 0 INTID on an interrupt acknowledge.
+ */
+
+ intid = CP15_GET(ICC_IAR0);
+
+ return intid;
+}
+
+void arm_gic_eoi_group0(unsigned int intid)
Review Comment:
static
##########
arch/arm/src/armv8-r/arm_gicv3.c:
##########
@@ -676,11 +753,56 @@ void up_trigger_irq(int irq, cpu_set_t cpuset)
}
}
+#ifdef CONFIG_ARCH_HIPRI_INTERRUPT
+/***************************************************************************
+ * Name: arm_decodefiq
+ *
+ * Description:
+ * This function is called from the FIQ vector handler in arm_vectors.S.
+ * At this point, the interrupt has been taken and the registers have
+ * been saved on the stack. This function simply needs to determine the
+ * the irq number of the interrupt and then to call arm_dofiq to dispatch
+ * the interrupt.
+ *
+ * Input Parameters:
+ * regs - A pointer to the register save area on the stack.
+ ***************************************************************************/
+
+uint32_t * arm_decodefiq(uint32_t * regs)
Review Comment:
```suggestion
uint32_t *arm_decodefiq(uint32_t *regs)
```
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