Second Extended Filesystem (ext2) and other improvements (#33)

[lunaix-os.git] / lunaix-os / kernel / syscall.c

diff --git a/lunaix-os/kernel/syscall.c b/lunaix-os/kernel/syscall.c
new file mode 100644 (file)
index 0000000..cd3b80d
--- /dev/null
+++ b/lunaix-os/kernel/syscall.c
@@ -0,0 +1,19 @@
+#include <lunaix/process.h>
+#include <lunaix/kpreempt.h>
+
+typedef reg_t (*syscall_fn)(reg_t p1, reg_t p2, reg_t p3, reg_t p4, reg_t p5);
+
+reg_t
+dispatch_syscall(void* syscall_fnptr, 
+                 reg_t p1, reg_t p2, reg_t p3, reg_t p4, reg_t p5)
+{
+    reg_t ret_val;
+    
+    thread_stats_update_entering(true);
+    
+    set_preemption();
+    ret_val = ((syscall_fn)syscall_fnptr)(p1, p2, p3, p4, p5);
+    no_preemption();
+
+    return ret_val;
+}
\ No newline at end of file