43 lines
983 B
C
43 lines
983 B
C
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#ifndef __SMP_X86_H__
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#define __SMP_X86_H__
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#include "arch_proto.h" /* K_STACK_SIZE */
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#define MAX_NR_INTERRUPT_ENTRIES 128
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#define SMP_SCHED_PROC 0xF0
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#define SMP_DEQUEUE_PROC 0xF1
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#define SMP_CPU_REBOOT 0xF2
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#define SMP_CPU_HALT 0xF3
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#define SMP_ERROR_INT 0xF4
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/* currently only 2 interrupt priority levels are used */
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#define SPL0 0x0
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#define SPLHI 0xF
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#define SMP_IPI_DEST 0
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#define SMP_IPI_SELF 1
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#define SMP_IPI_TO_ALL 2
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#define SMP_IPI_TO_ALL_BUT_SELF 3
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#ifndef __ASSEMBLY__
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/* returns the current cpu id */
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#define cpuid (((u32_t *)(((u32_t)get_stack_frame() + (K_STACK_SIZE - 1)) \
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& ~(K_STACK_SIZE - 1)))[-1])
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/*
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* in case apic or smp is disabled in boot monitor, we need to finish single cpu
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* boot using the legacy PIC
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*/
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#define smp_single_cpu_fallback() do { \
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tss_init(0, get_k_stack_top(0)); \
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bsp_finish_booting(); \
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} while(0)
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extern unsigned char cpuid2apicid[CONFIG_MAX_CPUS];
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#endif
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#endif /* __SMP_X86_H__ */
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