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Marvin
2026-09-28 17:46:45 +02:00
committed by Marvin Friedrich
parent 09926f45ee
commit 4a20a5b0af
62 changed files with 1266 additions and 554 deletions
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arch/x86_64/include/x86_64/smp.h
+6 -31
View File
@@ -1,23 +1,10 @@
#pragma once
#define SMP_GDTR_OFFSET 80
#define SMP_FARJMP_OFFSET 90
#define SMP_TEMP_STACK_OFFSET 98
#define SMP_TEMP_CR3_OFFSET 102
#define SMP_ENTRY_OFFSET 106
#define SMP_HHDM_OFFSET 114
#define SMP_KERNEL32_DS 16
#define SMP_KERNEL64_CS 24
#define SMP_KERNEL64_DS 32
#define SMP_INFO_SIZE 127
#ifndef __ASSEMBLER__
#include <zinnia/compiler.h>
#include <zinnia/utils.h>
#include <stddef.h>
#include <stdint.h>
#include <x86_64/gdt.h>
#include <zinnia/compiler.h>
#include <zinnia/utils.h>
struct [[__packed]] smp_info {
struct gdt gdt;
@@ -28,22 +15,10 @@ struct [[__packed]] smp_info {
uint32_t temp_cr3;
uint64_t entry;
uint64_t hhdm_offset;
uint64_t percpu;
uint32_t lapic_id;
uint8_t booted;
_Atomic(uint8_t) booted;
};
static_assert(SMP_GDTR_OFFSET == offsetof(struct smp_info, gdtr));
static_assert(SMP_FARJMP_OFFSET == offsetof(struct smp_info, farjmp_offset));
static_assert(SMP_TEMP_STACK_OFFSET == offsetof(struct smp_info, temp_stack));
static_assert(SMP_TEMP_CR3_OFFSET == offsetof(struct smp_info, temp_cr3));
static_assert(SMP_ENTRY_OFFSET == offsetof(struct smp_info, entry));
static_assert(SMP_HHDM_OFFSET == offsetof(struct smp_info, hhdm_offset));
static_assert(SMP_KERNEL32_DS == offsetof(struct gdt, kernel_data32));
static_assert(SMP_KERNEL64_CS == offsetof(struct gdt, kernel_code64));
static_assert(SMP_KERNEL64_DS == offsetof(struct gdt, kernel_data64));
static_assert(SMP_INFO_SIZE == sizeof(struct smp_info));
// Initializes a LAPIC.
void x86_64_smp_init(uint32_t id);
#endif
// Discovers all APs and starts them.
void x86_64_smp_init();