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Diffstat (limited to 'hw/misc/npcm_gcr.c')
-rw-r--r--hw/misc/npcm_gcr.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/hw/misc/npcm_gcr.c b/hw/misc/npcm_gcr.c
index 0959f2e5c4..d89e8c2c3b 100644
--- a/hw/misc/npcm_gcr.c
+++ b/hw/misc/npcm_gcr.c
@@ -66,10 +66,9 @@ enum NPCM7xxGCRRegisters {
     NPCM7XX_GCR_SCRPAD          = 0x013c / sizeof(uint32_t),
     NPCM7XX_GCR_USB1PHYCTL,
     NPCM7XX_GCR_USB2PHYCTL,
-    NPCM7XX_GCR_REGS_END,
 };
 
-static const uint32_t cold_reset_values[NPCM7XX_GCR_NR_REGS] = {
+static const uint32_t npcm7xx_cold_reset_values[NPCM7XX_GCR_NR_REGS] = {
     [NPCM7XX_GCR_PDID]          = 0x04a92750,   /* Poleg A1 */
     [NPCM7XX_GCR_MISCPE]        = 0x0000ffff,
     [NPCM7XX_GCR_SPSWC]         = 0x00000003,
@@ -88,8 +87,9 @@ static uint64_t npcm_gcr_read(void *opaque, hwaddr offset, unsigned size)
 {
     uint32_t reg = offset / sizeof(uint32_t);
     NPCMGCRState *s = opaque;
+    NPCMGCRClass *c = NPCM_GCR_GET_CLASS(s);
 
-    if (reg >= NPCM7XX_GCR_NR_REGS) {
+    if (reg >= c->nr_regs) {
         qemu_log_mask(LOG_GUEST_ERROR,
                       "%s: offset 0x%04" HWADDR_PRIx " out of range\n",
                       __func__, offset);
@@ -106,11 +106,12 @@ static void npcm_gcr_write(void *opaque, hwaddr offset,
 {
     uint32_t reg = offset / sizeof(uint32_t);
     NPCMGCRState *s = opaque;
+    NPCMGCRClass *c = NPCM_GCR_GET_CLASS(s);
     uint32_t value = v;
 
-    trace_npcm_gcr_write(offset, value);
+    trace_npcm_gcr_write(offset, v);
 
-    if (reg >= NPCM7XX_GCR_NR_REGS) {
+    if (reg >= c->nr_regs) {
         qemu_log_mask(LOG_GUEST_ERROR,
                       "%s: offset 0x%04" HWADDR_PRIx " out of range\n",
                       __func__, offset);
@@ -156,10 +157,12 @@ static const struct MemoryRegionOps npcm_gcr_ops = {
 static void npcm7xx_gcr_enter_reset(Object *obj, ResetType type)
 {
     NPCMGCRState *s = NPCM_GCR(obj);
+    NPCMGCRClass *c = NPCM_GCR_GET_CLASS(obj);
 
-    QEMU_BUILD_BUG_ON(sizeof(s->regs) != sizeof(cold_reset_values));
-
-    memcpy(s->regs, cold_reset_values, sizeof(s->regs));
+    g_assert(sizeof(s->regs) >= sizeof(c->cold_reset_values));
+    g_assert(sizeof(s->regs) >= c->nr_regs * sizeof(uint32_t));
+    memcpy(s->regs, c->cold_reset_values, c->nr_regs * sizeof(uint32_t));
+    /* These 3 registers are at the same location in both 7xx and 8xx. */
     s->regs[NPCM7XX_GCR_PWRON] = s->reset_pwron;
     s->regs[NPCM7XX_GCR_MDLR] = s->reset_mdlr;
     s->regs[NPCM7XX_GCR_INTCR3] = s->reset_intcr3;
@@ -224,7 +227,7 @@ static const VMStateDescription vmstate_npcm_gcr = {
     .version_id = 1,
     .minimum_version_id = 1,
     .fields = (const VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(regs, NPCMGCRState, NPCM7XX_GCR_NR_REGS),
+        VMSTATE_UINT32_ARRAY(regs, NPCMGCRState, NPCM_GCR_MAX_NR_REGS),
         VMSTATE_END_OF_LIST(),
     },
 };
@@ -238,7 +241,6 @@ static void npcm_gcr_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
-    QEMU_BUILD_BUG_ON(NPCM7XX_GCR_REGS_END > NPCM7XX_GCR_NR_REGS);
     dc->realize = npcm_gcr_realize;
     dc->vmsd = &vmstate_npcm_gcr;
 
@@ -247,13 +249,15 @@ static void npcm_gcr_class_init(ObjectClass *klass, void *data)
 
 static void npcm7xx_gcr_class_init(ObjectClass *klass, void *data)
 {
+    NPCMGCRClass *c = NPCM_GCR_CLASS(klass);
     DeviceClass *dc = DEVICE_CLASS(klass);
     ResettableClass *rc = RESETTABLE_CLASS(klass);
 
-    QEMU_BUILD_BUG_ON(NPCM7XX_GCR_REGS_END != NPCM7XX_GCR_NR_REGS);
     dc->desc = "NPCM7xx System Global Control Registers";
     rc->phases.enter = npcm7xx_gcr_enter_reset;
 
+    c->nr_regs = NPCM7XX_GCR_NR_REGS;
+    c->cold_reset_values = npcm7xx_cold_reset_values;
 }
 
 static const TypeInfo npcm_gcr_info[] = {
@@ -262,6 +266,7 @@ static const TypeInfo npcm_gcr_info[] = {
         .parent             = TYPE_SYS_BUS_DEVICE,
         .instance_size      = sizeof(NPCMGCRState),
         .instance_init      = npcm_gcr_init,
+        .class_size         = sizeof(NPCMGCRClass),
         .class_init         = npcm_gcr_class_init,
         .abstract           = true,
     },