refactor: Optimize the context switch overhead

[lunaix-os.git] / lunaix-os / kernel / asm / x86 / tss.c

diff --git a/lunaix-os/kernel/asm/x86/tss.c b/lunaix-os/kernel/asm/x86/tss.c
index c09db9e37e08bbaab8c42e17be81f03a06e5a494..603eca658db411c0a06f30d51ac7aee97dfd6c1e 100644 (file)
--- a/lunaix-os/kernel/asm/x86/tss.c
+++ b/lunaix-os/kernel/asm/x86/tss.c
@@ -1,12 +1,7 @@
 #include <arch/x86/tss.h>
 #include <lunaix/common.h>
+#include <lunaix/process.h>
 
-struct x86_tss _tss = {
-    .link = 0,
-    .esp0 = KSTACK_START,
-    .ss0  = KDATA_SEG
-};
-
-void tss_update_esp(uint32_t esp0) {
-    _tss.esp0 = esp0;
-}
\ No newline at end of file
+volatile struct x86_tss _tss = { .link = 0,
+                                 .esp0 = KSTACK_TOP,
+                                 .ss0 = KDATA_SEG };
\ No newline at end of file