From aaa23fffd02fb49cdbc56a480dbb5a8fa95bff38 Mon Sep 17 00:00:00 2001
From: Aleksa Vuckovic <aleksa@vuckovic.cc>
Date: Sat, 25 Feb 2023 05:43:37 +0100
Subject: x86_64_regs.S: (push/pop)_(callee/caller)_regs

---
 kernel/src/sys/syscall_asm.S | 38 +++-----------------------------------
 1 file changed, 3 insertions(+), 35 deletions(-)

(limited to 'kernel/src/sys')

diff --git a/kernel/src/sys/syscall_asm.S b/kernel/src/sys/syscall_asm.S
index 2e3c0bb..8287e95 100644
--- a/kernel/src/sys/syscall_asm.S
+++ b/kernel/src/sys/syscall_asm.S
@@ -1,47 +1,15 @@
 .extern syscall_handler
 
-.macro pushall
-	push %rax
-	push %rbx
-	push %rcx
-	push %rdx
-	push %rsi
-	push %rdi
-	push %r8
-	push %r9
-	push %r10
-	push %r11
-	push %r12
-	push %r13
-	push %r14
-	push %r15
-.endm
-
-.macro popall
-	pop %r15
-	pop %r14
-	pop %r13
-	pop %r12
-	pop %r11
-	pop %r10
-	pop %r9
-	pop %r8
-	pop %rdi
-	pop %rsi
-	pop %rdx
-	pop %rcx
-	pop %rbx
-	pop %rax
-.endm
+#include "x86_64_regs.S"
 
 .global __syscall
 __syscall:
 	pushq %rcx
 	pushq %r11
 
-	pushall
+	push_caller_saved
 	call syscall_handler
-	popall
+	pop_caller_saved
 
 	popfq
 	popq %rcx
-- 
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