From 8d87791fa23fb355826e8782957e5360fa1933f4 Mon Sep 17 00:00:00 2001
From: Drew Galbraith <dgalbraith33@gmail.com>
Date: Mon, 29 May 2023 13:06:43 -0700
Subject: [PATCH] Differentiate syscall handler by number.

This causes us to panic on the unhandled exit syscall.
---
 zion/syscall/syscall.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/zion/syscall/syscall.cpp b/zion/syscall/syscall.cpp
index 9576450..4b78e88 100644
--- a/zion/syscall/syscall.cpp
+++ b/zion/syscall/syscall.cpp
@@ -3,6 +3,7 @@
 #include <stdint.h>
 
 #include "debug/debug.h"
+#include "include/zcall.h"
 #include "scheduler/scheduler.h"
 
 #define EFER 0xC0000080
@@ -53,5 +54,12 @@ void InitSyscall() {
 }
 
 extern "C" void SyscallHandler(uint64_t call_id, char* message) {
-  dbgln(message);
+  Thread& thread = sched::CurrentThread();
+  switch (call_id) {
+    case Z_DEBUG_PRINT:
+      dbgln("[%u.%u] %s", thread.pid(), thread.tid(), message);
+      break;
+    default:
+      panic("Unhandled syscall number: %u", call_id);
+  }
 }