diff options
Diffstat (limited to 'platform/linux-generic/arch/x86/odp/api/abi')
-rw-r--r-- | platform/linux-generic/arch/x86/odp/api/abi/cpu.h | 10 | ||||
-rw-r--r-- | platform/linux-generic/arch/x86/odp/api/abi/cpu_inlines.h | 48 |
2 files changed, 50 insertions, 8 deletions
diff --git a/platform/linux-generic/arch/x86/odp/api/abi/cpu.h b/platform/linux-generic/arch/x86/odp/api/abi/cpu.h index 523fa99e5..9224af9a0 100644 --- a/platform/linux-generic/arch/x86/odp/api/abi/cpu.h +++ b/platform/linux-generic/arch/x86/odp/api/abi/cpu.h @@ -13,14 +13,8 @@ extern "C" { #define ODP_CACHE_LINE_SIZE 64 -static inline void odp_cpu_pause(void) -{ -#ifdef __SSE2__ - __asm__ __volatile__ ("pause"); -#else - __asm__ __volatile__ ("rep; nop"); -#endif -} +/* Inlined functions for non-ABI compat mode */ +#include <odp/api/plat/cpu_inlines.h> #ifdef __cplusplus } diff --git a/platform/linux-generic/arch/x86/odp/api/abi/cpu_inlines.h b/platform/linux-generic/arch/x86/odp/api/abi/cpu_inlines.h new file mode 100644 index 000000000..63be3da65 --- /dev/null +++ b/platform/linux-generic/arch/x86/odp/api/abi/cpu_inlines.h @@ -0,0 +1,48 @@ +/* Copyright (c) 2018, Linaro Limited + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ODP_ARCH_CPU_INLINES_H_ +#define ODP_ARCH_CPU_INLINES_H_ + +#include <stdint.h> + +_ODP_INLINE void odp_cpu_pause(void) +{ +#ifdef __SSE2__ + __asm__ __volatile__ ("pause"); +#else + __asm__ __volatile__ ("rep; nop"); +#endif +} + +_ODP_INLINE uint64_t odp_cpu_cycles(void) +{ + union { + uint64_t tsc_64; + struct { + uint32_t lo_32; + uint32_t hi_32; + }; + } tsc; + + __asm__ __volatile__ ("rdtsc" : + "=a" (tsc.lo_32), + "=d" (tsc.hi_32) : : "memory"); + + return tsc.tsc_64; +} + +_ODP_INLINE uint64_t odp_cpu_cycles_max(void) +{ + return UINT64_MAX; +} + +_ODP_INLINE uint64_t odp_cpu_cycles_resolution(void) +{ + return 1; +} + +#endif |