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https://github.com/zephyrproject-rtos/zephyr
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8d97750eef
And set qemu_x86_long board to build with CONFIG_SMP=y by default. Apparently two benchmark tests - latency_measure and sys_kernel - do not work with the SMP scheduler, so those tests are disabled. Signed-off-by: Charles E. Youse <charles.youse@intel.com>
32 lines
640 B
C
32 lines
640 B
C
/*
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* Copyright (c) 2019 Intel Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_ARCH_X86_INCLUDE_INTEL64_KERNEL_ARCH_FUNC_H_
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#define ZEPHYR_ARCH_X86_INCLUDE_INTEL64_KERNEL_ARCH_FUNC_H_
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#ifndef _ASMLANGUAGE
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extern void z_arch_switch(void *switch_to, void **switched_from);
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static inline void z_arch_kernel_init(void)
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{
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/* nothing */;
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}
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static inline struct _cpu *z_arch_curr_cpu(void)
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{
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struct _cpu *cpu;
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__asm__ volatile("movq %%gs:(%c1), %0"
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: "=r" (cpu)
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: "i" (offsetof(x86_tss64_t, cpu)));
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return cpu;
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}
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#endif /* _ASMLANGUAGE */
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#endif /* ZEPHYR_ARCH_X86_INCLUDE_INTEL64_KERNEL_ARCH_FUNC_H_ */
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