From 374f1d78eba0d124331ebfae1fe97647d24052d0 Mon Sep 17 00:00:00 2001
From: Amy Gale Ruth Bowersox <amy@erbosoft.com>
Date: Fri, 6 Dec 2019 20:41:26 -0700
Subject: [PATCH] added the rules to create the splash screen data and the
 external references to the binary data

---
 src/Makefile | 8 +++++++-
 src/fbinit.c | 5 +++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 4a6441b..30a6305 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,4 +1,4 @@
-OBJS=main.o sysinput.o fbinit.o log.o gpio.o msg_queue.o time_func.o
+OBJS=main.o sysinput.o fbinit.o log.o gpio.o msg_queue.o time_func.o splash.o
 LIBS=-lbcm2835 -lpthread
 
 upiwin: $(OBJS)
@@ -7,5 +7,11 @@ upiwin: $(OBJS)
 .c.o:
 	gcc -c $(CFLAGS) $<
 
+splash.o: splash.bin
+	ld -r -b binary --rename-section .data=.rodata,alloc,load,readonly,data,contents -o splash.o splash.bin
+
+splash.bin: splash.png ../buildutils/mksplash
+	../buildutils/mksplash splash.png splash.bin
+
 clean:
 	rm -f upiwin *.o *~
diff --git a/src/fbinit.c b/src/fbinit.c
index 82f2af4..79a2cde 100644
--- a/src/fbinit.c
+++ b/src/fbinit.c
@@ -10,6 +10,11 @@
 #include "fbinit.h"
 #include "scode.h"
 
+/* references to splash screen data in splash.o/splash.bin */
+extern uint8_t _binary_splash_start[];
+extern uint8_t _binary_splash_end;
+extern uint8_t _binary_splash_size;
+
 static int fb_fd = -1;
 
 static FBINFO local_info;