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/* 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 <arch/arm/cortex_m/cmsis.h>
static inline void timestamp_serialize(void)
{
/* isb is avaialble in all Cortex-M */
__ISB();
}
#elif defined(CONFIG_CPU_ARCV2)
#define timestamp_serialize()
#else
#error implementation of timestamp_serialize() not provided for your CPU target
#endif
#endif /* _TEST_ASM_INLINE_GCC_H */
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