1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_TIMEX_H 3 #define _ASM_X86_TIMEX_H 4 5 #include <asm/processor.h> 6 #include <asm/tsc.h> 7 8 static inline unsigned long random_get_entropy(void) 9 { 10 if (!IS_ENABLED(CONFIG_X86_TSC) && 11 !cpu_feature_enabled(X86_FEATURE_TSC)) 12 return random_get_entropy_fallback(); 13 return rdtsc(); 14 } 15 #define random_get_entropy random_get_entropy 16 17 /* Assume we use the PIT time source for the clock tick */ 18 #define CLOCK_TICK_RATE PIT_TICK_RATE 19 20 #define ARCH_HAS_READ_CURRENT_TIMER 21 22 #endif /* _ASM_X86_TIMEX_H */ 23