kernel threads

kernel threads and preemptive multitasking
2026-11-01 15:08:21 +00:00 · 2022-08-13 14:00:26 -03:00
parent ac5339453b
commit e7f4245c6d
14 changed files with 274 additions and 44 deletions
@@ -0,0 +1,32 @@
+global arch_switchcontext
+arch_switchcontext:
+	mov rsp,rdi
+	add rsp, 8 ; cr2
+        pop rax
+        mov gs,rax
+        pop rax
+        mov fs,rax
+        pop rax
+        mov es,rax
+        pop rax
+        mov ds,rax
+        pop rax
+        pop rbx
+        pop rcx
+        pop rdx
+        pop r8
+        pop r9
+        pop r10
+        pop r11
+        pop r12
+        pop r13
+        pop r14
+        pop r15
+        pop rdi
+        pop rsi
+        pop rbp
+        add rsp,8 ; remove error code
+	
+	swapgs
+	
+	iretq