1 files changed, 45 insertions, 0 deletions
diff --git a/arch/x86_64/proc/switch.s b/arch/x86_64/proc/switch.s
index d571c66..16b2198 100644
--- a/arch/x86_64/proc/switch.s
+++ b/arch/x86_64/proc/switch.s
@@ -7,3 +7,48 @@ scheduler_switch:
     retq
 
 .size scheduler_switch, . - scheduler_switch
+
+.global scheduler_savestate
+.type scheduler_savestate @function
+
+scheduler_savestate:
+    pushq %r15
+    pushq %r14
+    pushq %r13
+    pushq %r12
+    pushq %r11
+    pushq %r10
+    pushq %r9
+    pushq %r8
+    pushq %rbp
+    pushq %rdi
+    pushq %rsi
+    pushq %rdx
+    pushq %rcx
+    pushq %rbx
+    pushq %rax
+
+.size scheduler_savestate, . - scheduler_savestate
+
+.global scheduler_restorestate
+.type scheduler_restorestate @function
+
+scheduler_restorestate:
+    popq %rax
+    popq %rbx
+    popq %rcx
+    popq %rdx
+    popq %rsi
+    popq %rdi
+    popq %rbp
+    popq %r8
+    popq %r9
+    popq %r10
+    popq %r11
+    popq %r12
+    popq %r13
+    popq %r14
+    popq %r15
+
+.size scheduler_restorestate, . - scheduler_restorestate
+