diff --git a/hypervisor/arch/x86/guest/pm.c b/hypervisor/arch/x86/guest/pm.c
index b732cef2a..64afcd971 100644
--- a/hypervisor/arch/x86/guest/pm.c
+++ b/hypervisor/arch/x86/guest/pm.c
@@ -213,3 +213,28 @@ void register_pm1ab_handler(struct acrn_vm *vm)
 	register_gas_io_handler(vm, PM1A_CNT_PIO_IDX, &(sx_data->pm1a_cnt));
 	register_gas_io_handler(vm, PM1B_CNT_PIO_IDX, &(sx_data->pm1b_cnt));
 }
+
+static bool rt_vm_pm1a_io_read(__unused struct acrn_vm *vm, __unused struct acrn_vcpu *vcpu,
+						 __unused uint16_t addr, __unused size_t width)
+{
+	return false;
+}
+
+static bool rt_vm_pm1a_io_write(__unused struct acrn_vm *vm, __unused uint16_t addr,
+							__unused size_t width, __unused uint32_t v)
+{
+	/* TODO: Check if the vm is trying to powering off itself */
+	return false;
+}
+
+void register_rt_vm_pm1a_ctl_handler(struct acrn_vm *vm)
+{
+	struct vm_io_range io_range;
+
+	io_range.flags = IO_ATTR_RW;
+	io_range.base = RT_VM_PM1A_CNT_ADDR;
+	io_range.len = 1U;
+
+	register_pio_emulation_handler(vm, RT_VM_PM1A_CNT_PIO_IDX, &io_range,
+					&rt_vm_pm1a_io_read, &rt_vm_pm1a_io_write);
+}
diff --git a/hypervisor/arch/x86/guest/vm.c b/hypervisor/arch/x86/guest/vm.c
index f63c8e065..5d3502e24 100644
--- a/hypervisor/arch/x86/guest/vm.c
+++ b/hypervisor/arch/x86/guest/vm.c
@@ -421,6 +421,11 @@ int32_t create_vm(uint16_t vm_id, struct acrn_vm_config *vm_config, struct acrn_
 		/* Init full emulated vIOAPIC instance */
 		vioapic_init(vm);
 
+		/* Intercept the virtual pm port for RTVM */
+		if (is_rt_vm(vm)) {
+			register_rt_vm_pm1a_ctl_handler(vm);
+		}
+
 		/* Populate return VM handle */
 		*rtn_vm = vm;
 		vm->sw.io_shared_page = NULL;
diff --git a/hypervisor/include/arch/x86/guest/guest_pm.h b/hypervisor/include/arch/x86/guest/guest_pm.h
index 0730620d1..d18f8c4e3 100644
--- a/hypervisor/include/arch/x86/guest/guest_pm.h
+++ b/hypervisor/include/arch/x86/guest/guest_pm.h
@@ -11,5 +11,6 @@ void vm_setup_cpu_state(struct acrn_vm *vm);
 int32_t vm_load_pm_s_state(struct acrn_vm *vm);
 int32_t validate_pstate(const struct acrn_vm *vm, uint64_t perf_ctl);
 void register_pm1ab_handler(struct acrn_vm *vm);
+void register_rt_vm_pm1a_ctl_handler(struct acrn_vm *vm);
 
 #endif /* PM_H */
diff --git a/hypervisor/include/arch/x86/guest/io_emul.h b/hypervisor/include/arch/x86/guest/io_emul.h
index 7d3d28b1f..4d973681e 100644
--- a/hypervisor/include/arch/x86/guest/io_emul.h
+++ b/hypervisor/include/arch/x86/guest/io_emul.h
@@ -21,7 +21,8 @@
 #define PM1B_EVT_PIO_IDX	(PM1A_CNT_PIO_IDX + 1U)
 #define PM1B_CNT_PIO_IDX	(PM1B_EVT_PIO_IDX + 1U)
 #define RTC_PIO_IDX		(PM1B_CNT_PIO_IDX + 1U)
-#define EMUL_PIO_IDX_MAX	(RTC_PIO_IDX + 1U)
+#define RT_VM_PM1A_CNT_PIO_IDX	(RTC_PIO_IDX + 1U)
+#define EMUL_PIO_IDX_MAX	(RT_VM_PM1A_CNT_PIO_IDX + 1U)
 
 /**
  * @brief The handler of VM exits on I/O instructions
diff --git a/hypervisor/include/public/acrn_common.h b/hypervisor/include/public/acrn_common.h
index d1caf062b..90221706a 100644
--- a/hypervisor/include/public/acrn_common.h
+++ b/hypervisor/include/public/acrn_common.h
@@ -54,6 +54,9 @@
 #define GUEST_FLAG_HIDE_MTRR			(1UL << 4U)  	/* Whether hide MTRR from VM */
 #define GUEST_FLAG_RT				(1UL << 5U)     /* Whether the vm is RT-VM */
 
+/* TODO: We may need to get this addr from guest ACPI instead of hardcode here */
+#define RT_VM_PM1A_CNT_ADDR	0x404U
+
 /**
  * @brief Hypercall
  *