diff options
Diffstat (limited to 'platform/linux-generic/arch/mips64/odp/api/abi/cpu_inlines.h')
-rw-r--r-- | platform/linux-generic/arch/mips64/odp/api/abi/cpu_inlines.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/platform/linux-generic/arch/mips64/odp/api/abi/cpu_inlines.h b/platform/linux-generic/arch/mips64/odp/api/abi/cpu_inlines.h new file mode 100644 index 000000000..d3a424432 --- /dev/null +++ b/platform/linux-generic/arch/mips64/odp/api/abi/cpu_inlines.h @@ -0,0 +1,56 @@ +/* Copyright (c) 2016-2018, Linaro Limited + * Copyright (c) 2021, Nokia + * All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef ODP_ARCH_CPU_INLINES_H_ +#define ODP_ARCH_CPU_INLINES_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> + +static inline void _odp_cpu_pause(void) +{ + __asm__ __volatile__ ("nop"); + __asm__ __volatile__ ("nop"); + __asm__ __volatile__ ("nop"); + __asm__ __volatile__ ("nop"); +} + +uint64_t _odp_cpu_cycles(void) +{ + #define CVMX_TMP_STR(x) CVMX_TMP_STR2(x) + #define CVMX_TMP_STR2(x) #x + uint64_t cycle; + + __asm__ __volatile__ ("rdhwr %[rt],$" CVMX_TMP_STR(31) : + [rt] "=d" (cycle) : : "memory"); + + return cycle; +} + +uint64_t _odp_cpu_cycles_max(void) +{ + return UINT64_MAX; +} + +uint64_t _odp_cpu_cycles_resolution(void) +{ + return 1; +} + +int _odp_cpu_cycles_init_global(void) +{ + return 0; +} + +#ifdef __cplusplus +} +#endif + +#endif |