Add better logging capabilities, including the ability to panic.

1 files changed, 20 insertions, 0 deletions

diff --git a/src/kern/log.c b/src/kern/log.c
index ebc2cbe..c876759 100644
--- a/src/kern/log.c
+++ b/src/kern/log.c
@@ -26,7 +26,27 @@ void klogf(const char* fmt, ...)
   va_list l;
   va_start(l, fmt);
 
+  kvlogf(fmt, l);
+}
+
+void kvlogf(const char* fmt, va_list l)
+{
+  usart_vprintf(&USART2, fmt, l);
+}
+
+void kerr_vlogf(const char* fmt, va_list l)
+{
+  klogf("\x1b[01;31m[ERROR] ");
   usart_vprintf(&USART2, fmt, l);
+  klogf("\x1b[00m");
+}
+
+void kerr_logf(const char* fmt, ...)
+{
+  va_list l;
+  va_start(l, fmt);
+
+  kerr_vlogf(fmt, l);
 }
 
 void setup_usart2(uint32_t baud_rate)