1 files changed, 9 insertions, 1 deletions
diff --git a/src/kernel/log.c b/src/kernel/log.c
index 6bad1cc..2819a2e 100644
--- a/src/kernel/log.c
+++ b/src/kernel/log.c
@@ -52,8 +52,16 @@ void logf(enum log_level level, const char *format, ...) {
         while (*s)
           logch(*(s++));
         break;
+      case 'n':;
+        uint32_t d = va_arg(args, uint32_t);
+        if (d >= 0x80000000) {
+          logch('-');
+          d = -d;
+        }
+        goto put_dec;
       case 'd':;
-        const uint32_t d = va_arg(args, uint32_t);
+        d = va_arg(args, uint32_t);
+      put_dec:
         if (d == 0) {
           logch('0');
           break;