/* GCC specific test inline assembler functions and macros */ /* * Copyright (c) 2015, Wind River Systems, Inc. * * SPDX-License-Identifier: Apache-2.0 */ #ifndef _TEST_ASM_INLINE_GCC_H #define _TEST_ASM_INLINE_GCC_H #if !defined(__GNUC__) #error test_asm_inline_gcc.h goes only with GCC #endif #if defined(CONFIG_X86) static inline void timestamp_serialize(void) { __asm__ __volatile__ (/* serialize */ "xorl %%eax,%%eax;\n\t" "cpuid;\n\t" : : : "%eax", "%ebx", "%ecx", "%edx"); } #elif defined(CONFIG_CPU_CORTEX_M) #include static inline void timestamp_serialize(void) { /* isb is available in all Cortex-M */ __ISB(); } #elif defined(CONFIG_CPU_CORTEX_R) #include static inline void timestamp_serialize(void) { __ISB(); } #elif defined(CONFIG_CPU_CORTEX_A) #include static inline void timestamp_serialize(void) { __ISB(); } #elif defined(CONFIG_CPU_ARCV2) #define timestamp_serialize() #elif defined(CONFIG_ARCH_POSIX) #define timestamp_serialize() #elif defined(CONFIG_XTENSA) #define timestamp_serialize() #elif defined(CONFIG_NIOS2) #define timestamp_serialize() #elif defined(CONFIG_RISCV) #define timestamp_serialize() #else #error implementation of timestamp_serialize() not provided for your CPU target #endif #endif /* _TEST_ASM_INLINE_GCC_H */