1 /* 2 * Copyright (c) 2024 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 #include <kern/macro_help.h> 29 #include <os/base_private.h> 30 #include <os/log.h> 31 #include <stdbool.h> 32 33 #pragma once 34 35 extern os_log_t vm_log_handle; 36 extern bool vm_log_debug_enabled; 37 extern bool vm_log_to_serial; 38 39 #define _vm_log_with_type(type, format, ...) MACRO_BEGIN \ 40 if (os_unlikely(vm_log_to_serial)) { \ 41 printf("vm: " format, ##__VA_ARGS__); \ 42 } else { \ 43 os_log_with_startup_serial_and_type(vm_log_handle, type, "vm: " format, ##__VA_ARGS__); \ 44 } \ 45 MACRO_END 46 #define vm_log(format, ...) _vm_log_with_type(OS_LOG_TYPE_DEFAULT, format, ##__VA_ARGS__) 47 #define vm_log_info(format, ...) _vm_log_with_type(OS_LOG_TYPE_INFO, format, ##__VA_ARGS__) 48 #define vm_log_debug(format, ...) \ 49 MACRO_BEGIN \ 50 if (os_unlikely(vm_log_debug_enabled)) { \ 51 _vm_log_with_type(OS_LOG_TYPE_DEBUG, format, ##__VA_ARGS__); \ 52 } \ 53 MACRO_END 54 #define vm_log_error(format, ...) _vm_log_with_type(OS_LOG_TYPE_ERROR, format, ##__VA_ARGS__) 55 #define vm_log_fault(format, ...) _vm_log_with_type(OS_LOG_TYPE_FAULT, format, ##__VA_ARGS__) 56