From 5d4180c67cea08bb76eebde6b41b8935e60fed98 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 26 Oct 2019 22:15:29 +0200
Subject: Improved VESA and fixed warnings

---
 src/kernel/system.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/kernel/system.c

(limited to 'src/kernel/system.c')

diff --git a/src/kernel/system.c b/src/kernel/system.c
new file mode 100644
index 0000000..b0ad429
--- /dev/null
+++ b/src/kernel/system.c
@@ -0,0 +1,52 @@
+#ifndef MELVIX_SYSTEM_H
+#define MELVIX_SYSTEM_H
+
+#include "timer/timer.h"
+#include "io/io.h"
+#include "graphics/vesa.h"
+#include "system.h"
+
+void kernel_time() {
+    vesa_draw_string("\n");
+    vesa_draw_string("[");
+    vesa_draw_number(get_time());
+    vesa_draw_string("] ");
+}
+
+void info(char *msg) {
+    // terminal_set_color(9);
+    kernel_time();
+    vesa_draw_string("INFO: ");
+    vesa_draw_string(msg);
+    vesa_draw_string("\n");
+    // terminal_set_color(7);
+}
+
+void warn(char *msg) {
+    // terminal_set_color(6);
+    kernel_time();
+    vesa_draw_string("WARNING: ");
+    vesa_draw_string(msg);
+    vesa_draw_string("\n");
+    // terminal_set_color(7);
+}
+
+void panic(char *msg) {
+    asm volatile ("cli");
+    // terminal_set_color(4);
+    kernel_time();
+    serial_write("PANIC: ");
+    serial_write(msg);
+    serial_write(" - System Halted!\n");
+    loop:
+    asm volatile ("hlt");
+    goto loop;
+}
+
+void assert(int x) {
+    if (x == 0) {
+        panic("Assertion failed");
+    }
+}
+
+#endif
-- 
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