1 /* 2 * Internal execution defines for qemu (target agnostic) 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * SPDX-License-Identifier: LGPL-2.1-or-later 7 */ 8 9 #ifndef ACCEL_TCG_INTERNAL_COMMON_H 10 #define ACCEL_TCG_INTERNAL_COMMON_H 11 12 #include "exec/cpu-common.h" 13 #include "exec/translation-block.h" 14 15 extern int64_t max_delay; 16 extern int64_t max_advance; 17 18 /* 19 * Return true if CS is not running in parallel with other cpus, either 20 * because there are no other cpus or we are within an exclusive context. 21 */ 22 static inline bool cpu_in_serial_context(CPUState *cs) 23 { 24 return !tcg_cflags_has(cs, CF_PARALLEL) || cpu_in_exclusive_context(cs); 25 } 26 27 /** 28 * cpu_plugin_mem_cbs_enabled() - are plugin memory callbacks enabled? 29 * @cs: CPUState pointer 30 * 31 * The memory callbacks are installed if a plugin has instrumented an 32 * instruction for memory. This can be useful to know if you want to 33 * force a slow path for a series of memory accesses. 34 */ 35 static inline bool cpu_plugin_mem_cbs_enabled(const CPUState *cpu) 36 { 37 #ifdef CONFIG_PLUGIN 38 return !!cpu->neg.plugin_mem_cbs; 39 #else 40 return false; 41 #endif 42 } 43 44 #endif 45