Kernel: Use syscall/sysret for syscalls in x86_64

2026-01-09 15:15:46 +02:00
parent 94bd74d0bb
commit a9ceab0415
19 changed files with 178 additions and 149 deletions
--- a/kernel/arch/x86_64/interrupts.S
+++ b/kernel/arch/x86_64/interrupts.S
@@ -1,6 +1,6 @@
 .macro swapgs_if_necessary, n
-	cmpb $0x08, \n(%rsp)
-	je 1f
+	testb $3, \n(%rsp)
+	jz 1f; jnp 1f
 	swapgs
 1:
 .endm