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-rw-r--r--hw/acpi/core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/acpi/core.c b/hw/acpi/core.c
index 64b871846d..42eeace6f6 100644
--- a/hw/acpi/core.c
+++ b/hw/acpi/core.c
@@ -462,8 +462,15 @@ static uint64_t acpi_pm_tmr_read(void *opaque, hwaddr addr, unsigned width)
     return acpi_pm_tmr_get(opaque);
 }
 
+static void acpi_pm_tmr_write(void *opaque, hwaddr addr, uint64_t val,
+                              unsigned width)
+{
+    /* nothing */
+}
+
 static const MemoryRegionOps acpi_pm_tmr_ops = {
     .read = acpi_pm_tmr_read,
+    .write = acpi_pm_tmr_write,
     .valid.min_access_size = 4,
     .valid.max_access_size = 4,
     .endianness = DEVICE_LITTLE_ENDIAN,