From 3ce90a8f864c906637097fc175485cca9dc3af97 Mon Sep 17 00:00:00 2001
From: Brett Gordon <beretta42@gmail.com>
Date: Fri, 2 Oct 2015 01:13:54 -0400
Subject: [PATCH] coco3: add primordial graphics ioctl to devtty

---
 Kernel/platform-coco3/devtty.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Kernel/platform-coco3/devtty.c b/Kernel/platform-coco3/devtty.c
index 0c21bbe3..b766c1bf 100644
--- a/Kernel/platform-coco3/devtty.c
+++ b/Kernel/platform-coco3/devtty.c
@@ -8,6 +8,7 @@
 #include <tty.h>
 #include <devdw.h>
 #include <ttydw.h>
+#include <graphics.h>
 
 #undef  DEBUG			/* UNdefine to delete debug code sequences */
 
@@ -433,6 +434,29 @@ unsigned char vt_map(unsigned char c)
 	return c;
 }
 
+static struct display display = {
+  256, 192,
+  256, 192,
+  0xFF, 0xFF,		/* For now */
+  FMT_MONO_BW,
+  HW_UNACCEL,
+  GFX_ENABLE,
+  0,
+  GFX_SETPIXEL,
+  0
+};
+
+
+int gfx_ioctl(uint8_t minor, uarg_t arg, char *ptr)
+{
+	if (arg >> 8 != 0x03)
+		return vt_ioctl(minor, arg, ptr);
+	if (arg == GFXIOC_GETINFO)
+		return uput(&display, ptr, sizeof(display));
+	udata.u_error = ENOTTY;
+	return -1;
+}
+
 
 /* Initial Setup stuff down here. */
 
-- 
2.34.1