[MULTITASKING] Preemptive multitasking

2016-11-18 10:36:21 +01:00
parent d3d065b2e2
commit 664379b35c
7 changed files with 26 additions and 8 deletions
--- a/kernel/proc/swtch.S
+++ b/kernel/proc/swtch.S
@@ -7,6 +7,7 @@ swtch:
 # Switches stacks preserving callee preserved registers according to System V ABI
  push rbp
  mov rbp, rsp
+  push rdi
  push r15
  push r14
  push r13
@@ -24,5 +25,6 @@ swtch:
  pop r13
  pop r14
  pop r15
+  pop rdi
  leaveq
  ret