stuff

2026-07-15 22:09:13 +02:00
commit cf33867e68
152 changed files with 9663 additions and 0 deletions
@@ -0,0 +1,27 @@
+#pragma once
+
+#include <kernel/irq.h>
+#include <stddef.h>
+#include <x86_64/apic.h>
+#include <x86_64/gdt.h>
+#include <x86_64/tss.h>
+
+static inline struct percpu* arch_percpu_get() {
+    struct percpu* result;
+    asm volatile("mov %0, gs:0" : "=r"(result)::"memory");
+    return result;
+}
+
+struct arch_percpu {
+    struct gdt gdt;
+    struct tss tss;
+    struct local_apic lapic;
+    struct irq_line* irq_lines[128];
+    size_t fpu_size;
+    void (*fpu_save)(void*);
+    void (*fpu_restore)(const void*);
+    bool can_smap;
+};
+
+void arch_percpu_bsp_init();
+void arch_percpu_init();