From 5e8cf84fb8fb2821eb948ffd2fddafd18b18e8cc Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 15 Sep 2025 03:25:51 -0400
Subject: kern: cons: Finish string writing logic

- Wrap on X overflow
- Wrap on Y overflow
- Keep track of max console width and height
- Add console enable/disable control

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/sys/os/os_syslog.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/sys/os/os_syslog.c')

diff --git a/src/sys/os/os_syslog.c b/src/sys/os/os_syslog.c
index b0e07dc..b6d30b7 100644
--- a/src/sys/os/os_syslog.c
+++ b/src/sys/os/os_syslog.c
@@ -30,10 +30,18 @@
 #include <sys/types.h>
 #include <machine/uart.h>   /* shared */
 #include <sys/syslog.h>
+#include <io/cons/cons.h>
 #include <os/spinlock.h>
 #include <string.h>
 #include <stdarg.h>
 
+/*
+ * If this value is true, data will be written to
+ * the video console, otherwise only serial logging
+ * will be used.
+ */
+static bool cons_enabled = false;
+
 static void
 syslog_write(const char *str, size_t len)
 {
@@ -41,6 +49,8 @@ syslog_write(const char *str, size_t len)
 
     spinlock_acquire(&lock);
     for (int i = 0; i < len; ++i) {
+        if (cons_enabled)
+            cons_putstr(&g_root_scr, str, 1);
         uart_write(*str++);
     }
     spinlock_release(&lock);
@@ -64,3 +74,9 @@ printf(const char *fmt, ...)
     vprintf(fmt, &ap);
     va_end(ap);
 }
+
+void
+syslog_toggle(bool enable)
+{
+    cons_enabled = enable;
+}
-- 
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