From 0349c6d6572f59770898d3f40287ebdcd2f8ed30 Mon Sep 17 00:00:00 2001
From: Gentoo <installgentoo@endianness.com>
Date: Sat, 27 Mar 2021 10:36:05 +1100
Subject: initial commit

---
 source/load_elf.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 source/load_elf.c

(limited to 'source/load_elf.c')

diff --git a/source/load_elf.c b/source/load_elf.c
new file mode 100644
index 0000000..1519db8
--- /dev/null
+++ b/source/load_elf.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ogcsys.h>
+#include <gccore.h>
+#include <ogc/machine/processor.h>
+
+#include "elf-loader.h"
+#include "sync.h"
+#include "gecko.h"
+
+extern void __exception_closeall(void);
+
+//taken from https://github.com/Fullmetal5/WiiNetworkLoader
+//Note: There isn't any point for printf() messages, since you can't read them fast enough anyway
+void boot_elf(void *payload, size_t size)
+{
+
+	gprintf("Shutting down IOS Subsystems... ");
+
+	__IOS_ShutdownSubsystems();
+
+	gprintf("OK");
+	gprintf("Shutting down CPU ISR... ");
+
+	uint32_t level;
+	_CPU_ISR_Disable(level);
+
+	gprintf("OK");
+	gprintf("Shutting down exception vectors... ");
+
+	__exception_closeall();
+
+	gprintf("OK");
+	gprintf("Copying ELF loading stub... ");
+
+
+	memcpy((void*)0x81330000, loader_bin, loader_bin_len);
+	sync_before_exec((void*)0x81330000, loader_bin_len);
+
+
+	gprintf("OK");
+	gprintf("Jumping to entry point!");
+
+
+	void (*entry)(void*, uint32_t) = (void*)0x81330000;
+	entry(payload, size);
+
+	printf("If you can see this then something has gone very wrong!\n");
+
+	gprintf("ELF failed to load somehow!");
+
+	fflush(stdout);
+	while(1);
+}
-- 
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