From 912d262318f67925b3c2da39b4358c9f0722f1f3 Mon Sep 17 00:00:00 2001
From: "Chloe M." <chloe@yiffware.org>
Date: Fri, 10 Jul 2026 06:52:38 +0000
Subject: [PATCH] ptos: drivers: Add bootvid driver stub

Signed-off-by: Chloe M. <chloe@yiffware.org>
---
 service/ptos/drivers/bootvid/fbio.c      | 28 ++++++++++++++++++++++++
 service/ptos/head/drivers/bootvid/fbio.h | 19 ++++++++++++++++
 service/ptos/ke/Makefile                 |  1 +
 service/ptos/ke/init.c                   |  4 ++++
 4 files changed, 52 insertions(+)
 create mode 100644 service/ptos/drivers/bootvid/fbio.c
 create mode 100644 service/ptos/head/drivers/bootvid/fbio.h

diff --git a/service/ptos/drivers/bootvid/fbio.c b/service/ptos/drivers/bootvid/fbio.c
new file mode 100644
index 0000000..f2699bf
--- /dev/null
+++ b/service/ptos/drivers/bootvid/fbio.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause.
+ *
+ * Description: Boot video driver
+ * Author:      Chloe M.
+ */
+
+#include <drivers/bootvid/fbio.h>
+#include <ex/trace.h>
+#include <ke/bpal.h>
+
+#define DTRACE(Fmt, ...) \
+    TRACE("[ BOOTVID ]: " Fmt, ##__VA_ARGS__)
+
+static BPAL_FRAMEBUFFER Framebuffer;
+
+VOID
+BootVidInit(VOID)
+{
+   BPAL_HANDLE Handle;
+
+   KeBpalGetHandle(&Handle);
+   Framebuffer = Handle.Framebuffer;
+
+   DTRACE("framebuffer width  : %d px\n", Framebuffer.Width);
+   DTRACE("framebuffer height : %d px\n", Framebuffer.Height);
+}
diff --git a/service/ptos/head/drivers/bootvid/fbio.h b/service/ptos/head/drivers/bootvid/fbio.h
new file mode 100644
index 0000000..70a9509
--- /dev/null
+++ b/service/ptos/head/drivers/bootvid/fbio.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2026, Chloe M.
+ * Provided under the BSD-3 clause.
+ *
+ * Description: Boot video driver
+ * Author:      Chloe M.
+ */
+
+#ifndef _BOOTVID_FBIO_H_
+#define _BOOTVID_FBIO_H_ 1
+
+#include <ptdef.h>
+
+/*
+ * Initialize the boot video driver
+ */
+VOID BootVidInit(VOID);
+
+#endif  /* !_BOOTVID_FBIO_H_ */
diff --git a/service/ptos/ke/Makefile b/service/ptos/ke/Makefile
index a2a579a..31d11ff 100644
--- a/service/ptos/ke/Makefile
+++ b/service/ptos/ke/Makefile
@@ -12,6 +12,7 @@ include ../../mk/ptos.mk
 CFILES = $(shell find . -name "*.c")
 CFILES += $(shell find ../lib -name "*.c")
 CFILES += $(shell find ../xt -name "*.c")
+CFILES += $(shell find ../drivers -name "*.c")
 DFILES = $(CFILES:.c=.d)
 OFILES = $(CFILES:.c=.o)
 
diff --git a/service/ptos/ke/init.c b/service/ptos/ke/init.c
index 3b49e5d..9ea69a0 100644
--- a/service/ptos/ke/init.c
+++ b/service/ptos/ke/init.c
@@ -10,6 +10,7 @@
 #include <ke/bpal.h>
 #include <ex/trace.h>
 #include <hal/serial.h>
+#include <drivers/bootvid/fbio.h>
 #include <machine/pio.h>
 #include <string.h>
 
@@ -38,4 +39,7 @@ KiKernelInit(VOID)
 
     /* Display the copyright */
     Copyright();
+
+    /* Initialize the boot video driver */
+    BootVidInit();
 }