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46 lines
1001 B
C
46 lines
1001 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/rbtree.h>
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#include <libk/std.h>
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#include <proc/proc.h>
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#include <sync/rw_spin_lock.h>
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#define CPUS_MAX 32
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struct cpu {
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/* for syscall instruction */
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uintptr_t syscall_user_stack;
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uintptr_t syscall_kernel_stack;
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struct cpu* self;
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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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uintptr_t lapic_mmio_base;
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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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rw_spin_lock_t lock;
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struct rb_node_link* 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 (void);
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void cpu_request_sched (struct cpu* cpu);
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#define thiscpu (cpu_get ())
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#endif // _KERNEL_AMD64_SMP_H
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