From cef0e0f4751e0298cfdde56c4c069a4c3f134e06 Mon Sep 17 00:00:00 2001
From: Zhuowei Zhang <zhuoweizhang@yahoo.com>
Date: Thu, 21 Feb 2019 19:01:49 -0800
Subject: [PATCH] Set screen to black in DXE to see if we get there

---
 Pixel3XL/Pixel3XLDxe/Pixel3XLDxe.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Pixel3XL/Pixel3XLDxe/Pixel3XLDxe.c b/Pixel3XL/Pixel3XLDxe/Pixel3XLDxe.c
index 039e696..f55dda3 100644
--- a/Pixel3XL/Pixel3XLDxe/Pixel3XLDxe.c
+++ b/Pixel3XL/Pixel3XLDxe/Pixel3XLDxe.c
@@ -40,6 +40,12 @@ InitPeripherals (
   IN VOID
   )
 {
+	// set the screen
+	for (uint64_t addr = 0x9d400000ull; addr < 0x9d400000ull + (1440 * 2960 * 4); addr += 4) {
+		MmioWrite32(addr, 0);
+	}
+	// spin forever
+	while (1) {}
 }
 
 /**