48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* GCC specific test inline assembler functions and macros */
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/*
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* Copyright (c) 2015, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _TEST_ASM_INLINE_GCC_H
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#define _TEST_ASM_INLINE_GCC_H
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#if !defined(__GNUC__)
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#error test_asm_inline_gcc.h goes only with GCC
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#endif
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#if defined(CONFIG_X86)
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static inline void timestamp_serialize(void)
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{
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__asm__ __volatile__ (/* serialize */
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"xorl %%eax,%%eax;\n\t"
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"cpuid;\n\t"
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:
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:
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: "%eax", "%ebx", "%ecx", "%edx");
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}
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#elif defined(CONFIG_CPU_CORTEX_M)
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#include <arch/arm/cortex_m/cmsis.h>
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static inline void timestamp_serialize(void)
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{
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/* isb is avaialble in all Cortex-M */
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__ISB();
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}
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#elif defined(CONFIG_CPU_ARCV2)
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#define timestamp_serialize()
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#elif defined(CONFIG_ARCH_POSIX)
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#define timestamp_serialize()
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#elif defined(CONFIG_XTENSA)
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#define timestamp_serialize()
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#elif defined(CONFIG_NIOS2)
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#define timestamp_serialize()
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#elif defined(CONFIG_RISCV32)
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#define timestamp_serialize()
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#else
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#error implementation of timestamp_serialize() not provided for your CPU target
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#endif
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#endif /* _TEST_ASM_INLINE_GCC_H */
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