diff --git a/hypervisor/debug/hypercall.c b/hypervisor/debug/hypercall.c
index c88dc7ae2..fbc055615 100644
--- a/hypervisor/debug/hypercall.c
+++ b/hypervisor/debug/hypercall.c
@@ -122,6 +122,34 @@ static int32_t hcall_setup_hv_npk_log(struct acrn_vm *vm, uint64_t param)
 	return 0;
 }
 
+/**
+ * @brief Get hardware related info
+ *
+ * @param vm Pointer to vm data structure
+ * @param param Guest physical address pointing to struct acrn_hw_info
+ *
+ * @pre vm shall point to VM0
+ * @pre param shall be a valid physical address
+ *
+ * @retval 0 on success
+ * @retval -1 in case of error
+ */
+static int32_t hcall_get_hw_info(struct acrn_vm *vm, uint64_t param)
+{
+	int32_t ret = 0;
+	struct acrn_hw_info hw_info;
+
+	(void)memset((void *)&hw_info, 0U, sizeof(hw_info));
+
+	hw_info.cpu_num = phys_cpu_num;
+	ret = copy_to_gpa(vm, &hw_info, param, sizeof(hw_info));
+	if (ret != 0) {
+		pr_err("%s: Unable to copy param to vm", __func__);
+	}
+
+	return ret;
+}
+
 /**
   * @brief Setup hypervisor debug infrastructure, such as share buffer, NPK log and profiling.
   *
@@ -151,6 +179,10 @@ int32_t hcall_debug(struct acrn_vm *vm, uint64_t param1, uint64_t param2, uint64
 		ret = hcall_profiling_ops(vm, param1, param2);
 		break;
 
+	case HC_GET_HW_INFO:
+		ret = hcall_get_hw_info(vm, param1);
+		break;
+
 	default:
 		pr_err("op %d: Invalid hypercall\n", hypcall_id);
 		ret = -EPERM;
diff --git a/hypervisor/include/public/acrn_hv_defs.h b/hypervisor/include/public/acrn_hv_defs.h
index c451684b1..3428e225b 100644
--- a/hypervisor/include/public/acrn_hv_defs.h
+++ b/hypervisor/include/public/acrn_hv_defs.h
@@ -69,6 +69,7 @@
 #define HC_SETUP_SBUF               BASE_HC_ID(HC_ID, HC_ID_DBG_BASE + 0x00UL)
 #define HC_SETUP_HV_NPK_LOG         BASE_HC_ID(HC_ID, HC_ID_DBG_BASE + 0x01UL)
 #define HC_PROFILING_OPS            BASE_HC_ID(HC_ID, HC_ID_DBG_BASE + 0x02UL)
+#define HC_GET_HW_INFO              BASE_HC_ID(HC_ID, HC_ID_DBG_BASE + 0x03UL)
 
 /* Trusty */
 #define HC_ID_TRUSTY_BASE           0x70UL
@@ -209,6 +210,14 @@ struct hv_npk_log_param {
 	uint64_t mmio_addr;
 } __aligned(8);
 
+/**
+ * the parameter for HC_GET_HW_INFO hypercall
+ */
+struct acrn_hw_info {
+	uint16_t cpu_num; /* Physical CPU number */
+	uint16_t reserved[3];
+} __aligned(8);
+
 /**
  * Gpa to hpa translation parameter, used for HC_VM_GPA2HPA hypercall
  */