kernel: implement cpu IDs and per-cpu variables

2023-03-18 19:35:00 +00:00
parent 56bc47f570
commit 57eaf4e01c
14 changed files with 232 additions and 18 deletions
--- a/arch/x86_64/cpu.c
+++ b/arch/x86_64/cpu.c
@@ -1,7 +1,9 @@
 #include <socks/machine/cpu.h>
+#include <arch/msr.h>

 int ml_cpu_block_init(ml_cpu_block *p)
 {
+	p->c_this = p;
 	gdt_init(&p->c_gdt, &p->c_gdt_ptr);
 	idt_init(&p->c_idt_ptr);
 	return 0;
@@ -11,5 +13,6 @@ int ml_cpu_block_use(ml_cpu_block *p)
 {
 	gdt_load(&p->c_gdt_ptr);
 	idt_load(&p->c_idt_ptr);
+	wrmsr(MSR_GS_BASE, (uint64_t)p);
 	return 0;
 }