From 57560de1fa32422d75f715c9610cee7edb77e27a Mon Sep 17 00:00:00 2001
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Thu, 31 May 2007 15:40:14 -0700
Subject: [PATCH] Hacky debugging function by setting VESA pixels, sometimes
 useful

---
 com32/lib/sys/vesa/vesa.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/com32/lib/sys/vesa/vesa.h b/com32/lib/sys/vesa/vesa.h
index 55e64b4..56c1738 100644
--- a/com32/lib/sys/vesa/vesa.h
+++ b/com32/lib/sys/vesa/vesa.h
@@ -97,4 +97,17 @@ struct vesa_info {
 
 extern struct vesa_info __vesa_info;
 
+#if 0
+static inline void vesa_debug(uint32_t color, int pos)
+{
+  uint32_t *stp = (uint32_t *)__vesa_info.mi.lfb_ptr;
+  stp[pos*3] = color;
+}
+#else
+static inline void vesa_debug(uint32_t color, int pos)
+{
+  (void)color; (void)pos;
+}
+#endif
+
 #endif /* LIB_SYS_VESA_H */
-- 
2.7.4