43 lines
889 B
C
43 lines
889 B
C
#ifndef _KERNEL_AMD64_SMP_H
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#define _KERNEL_AMD64_SMP_H
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#include <amd64/gdt.h>
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#include <amd64/tss.h>
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#include <aux/compiler.h>
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#include <libk/std.h>
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#include <proc/proc.h>
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#define CPUS_MAX 32
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struct cpu {
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uint64_t lapic_ticks;
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uint32_t id;
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struct {
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uint64_t rflags;
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atomic_int nesting;
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} irq_ctx;
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uint8_t user_stack[USTACK_SIZE] ALIGNED (16);
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volatile uint8_t kernel_stack[KSTACK_SIZE] ALIGNED (16);
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volatile uint8_t except_stack[KSTACK_SIZE] ALIGNED (16);
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volatile uint8_t irq_stack[KSTACK_SIZE] ALIGNED (16);
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volatile struct gdt_extended gdt ALIGNED (16);
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volatile struct tss tss;
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spin_lock_t lock;
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struct proc* proc_run_q;
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struct proc* proc_current;
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};
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struct cpu* cpu_make (void);
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struct cpu* cpu_get (uint32_t id);
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void cpu_assign (uint32_t id);
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uint32_t cpu_id (void);
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#define thiscpu (cpu_get (cpu_id ()))
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#endif // _KERNEL_AMD64_SMP_H
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