zephyr/subsys/testsuite/include/test_asm_inline_gcc.h
Anas Nashif f2cb20c772 docs: fix misspelling across the tree
Found a few annoying typos and figured I better run script and
fix anything it can find, here are the results...

Signed-off-by: Anas Nashif <anas.nashif@intel.com>
2019-06-19 15:34:13 -05:00

54 lines
1.2 KiB
C

/* 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_X86_64)
static inline void timestamp_serialize(void)
{
__asm__ volatile("xorq %%rax,%%rax; cpuid"
::: "rax", "rdx", "rbx", "rcx");
}
#elif defined(CONFIG_CPU_CORTEX_M)
#include <arch/arm/cortex_m/cmsis.h>
static inline void timestamp_serialize(void)
{
/* isb is available in all Cortex-M */
__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_RISCV32)
#define timestamp_serialize()
#else
#error implementation of timestamp_serialize() not provided for your CPU target
#endif
#endif /* _TEST_ASM_INLINE_GCC_H */