1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/kernel.c b/kernel/kernel.c
new file mode 100644
index 0000000..0440677
--- /dev/null
+++ b/kernel/kernel.c
@@ -0,0 +1,20 @@
+/* Plan9 C, 386 — kernel-болванка: пишет строку в VGA-текстбуфер 0xB8000. */
+typedef unsigned short ushort;
+typedef unsigned char  uchar;
+
+void
+kmain(void)
+{
+	ushort *vga;
+	char *s;
+	int i;
+
+	vga = (ushort*)0xB8000;          /* VGA text mode framebuffer */
+	for(i = 0; i < 80*25; i++)
+		vga[i] = (0x1F<<8) | ' ';    /* очистить: белым по синему */
+	s = "PLAN9 KERNEL STUB -> writes to 0xB8000";
+	for(i = 0; s[i]; i++)
+		vga[i] = (0x1F<<8) | (uchar)s[i];
+	for(;;)                          /* halt */
+		;
+}