mos: kern: Add serial raw trace function

Signed-off-by: Ian Moffett <ian@osmora.org>

2 files changed, 39 insertions, 0 deletions

diff --git a/mos/sys/inc/kern/trace.h b/mos/sys/inc/kern/trace.h
new file mode 100644
index 0000000..820478e
--- /dev/null
+++ b/mos/sys/inc/kern/trace.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2025, Ian Moffett.
+ * Provided under the BSD-3 clause.
+ */
+
+#ifndef _KERN_TRACE_H_
+#define _KERN_TRACE_H_
+
+/*
+ * Write a raw null terminated string to the system
+ * trace logs
+ *
+ * @str: String to write
+ */
+void trace_raw(const char *str);
+
+#endif  /* !_KERN_TRACE_H_ */
diff --git a/mos/sys/kern/kern_trace.c b/mos/sys/kern/kern_trace.c
new file mode 100644
index 0000000..65f32a6
--- /dev/null
+++ b/mos/sys/kern/kern_trace.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2025, Ian Moffett.
+ * Provided under the BSD-3 clause.
+ */
+
+#include <sdk/string.h>
+#include <sdk/types.h>
+#include <mu/uart.h>
+#include <kern/trace.h>
+
+void
+trace_raw(const char *str)
+{
+    USIZE len;
+
+    if (str == NULL) {
+        return;
+    }
+
+    len = strlen(str);
+    mu_uart_writed(str, len);
+}