[RFC PATCH v2 15/22] hw/intc/arm_gicv3_redist: Implement GICR_INMIR0

[Jinjie Ruan]

Add GICR_INMIR0 register and support access GICR_INMIR0.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
---
 hw/intc/arm_gicv3_redist.c | 23 +++++++++++++++++++++++
 hw/intc/gicv3_internal.h   |  1 +
 2 files changed, 24 insertions(+)

diff --git a/hw/intc/arm_gicv3_redist.c b/hw/intc/arm_gicv3_redist.c
index 8153525849..87e7823f34 100644
--- a/hw/intc/arm_gicv3_redist.c
+++ b/hw/intc/arm_gicv3_redist.c
@@ -35,6 +35,15 @@ static int gicr_ns_access(GICv3CPUState *cs, int irq)
     return extract32(cs->gicr_nsacr, irq * 2, 2);
 }
 
+static void gicr_write_bitmap_reg(GICv3CPUState *cs, MemTxAttrs attrs,
+                                  uint32_t *reg, uint32_t val)
+{
+    /* Helper routine to implement writing to a "set" register */
+    val &= mask_group(cs, attrs);
+    *reg = val;
+    gicv3_redist_update(cs);
+}
+
 static void gicr_write_set_bitmap_reg(GICv3CPUState *cs, MemTxAttrs attrs,
                                       uint32_t *reg, uint32_t val)
 {
@@ -406,6 +415,13 @@ static MemTxResult gicr_readl(GICv3CPUState *cs, hwaddr 
offset,
         *data = value;
         return MEMTX_OK;
     }
+    case GICR_INMIR0:
+        if (!cs->gic->nmi_support) {
+            *data = 0;
+            return MEMTX_OK;
+        }
+        *data = gicr_read_bitmap_reg(cs, attrs, cs->gicr_isuperprio);
+        return MEMTX_OK;
     case GICR_ICFGR0:
     case GICR_ICFGR1:
     {
@@ -555,6 +571,13 @@ static MemTxResult gicr_writel(GICv3CPUState *cs, hwaddr 
offset,
         gicv3_redist_update(cs);
         return MEMTX_OK;
     }
+    case GICR_INMIR0:
+        if (!cs->gic->nmi_support) {
+            return MEMTX_OK;
+        }
+        gicr_write_bitmap_reg(cs, attrs, &cs->gicr_isuperprio, value);
+        return MEMTX_OK;
+
     case GICR_ICFGR0:
         /* Register is all RAZ/WI or RAO/WI bits */
         return MEMTX_OK;
diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h
index 29d5cdc1b6..f35b7d2f03 100644
--- a/hw/intc/gicv3_internal.h
+++ b/hw/intc/gicv3_internal.h
@@ -109,6 +109,7 @@
 #define GICR_ICFGR1           (GICR_SGI_OFFSET + 0x0C04)
 #define GICR_IGRPMODR0        (GICR_SGI_OFFSET + 0x0D00)
 #define GICR_NSACR            (GICR_SGI_OFFSET + 0x0E00)
+#define GICR_INMIR0           (GICR_SGI_OFFSET + 0x0F80)
 
 /* VLPI redistributor registers, offsets from VLPI_base */
 #define GICR_VPROPBASER       (GICR_VLPI_OFFSET + 0x70)
-- 
2.34.1