From 70d8b4f4a4e0e4d93bad2589187f7979ac6f291a Mon Sep 17 00:00:00 2001
From: dimok321 <15055714+dimok789@users.noreply.github.com>
Date: Sat, 13 Jun 2009 22:26:43 +0000
Subject: [PATCH] *Made forwarder Preloader compatible thanks to SpaceJump
 (only for DOLs though)

---
 Makefile           |   2 +-
 source/dolloader.c | 116 +++++++++++++++++++++++++++++----------------
 2 files changed, 75 insertions(+), 43 deletions(-)

diff --git a/Makefile b/Makefile
index 4cec3f80..795229b9 100644
--- a/Makefile
+++ b/Makefile
@@ -31,8 +31,8 @@ CXXFLAGS	=	$(CFLAGS)
 #---------------------------------------------------------------------------------
 # move loader to another location - THANKS CREDIAR - 0x81330000 for HBC
 #---------------------------------------------------------------------------------
+LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--section-start,.init=0x81230000
 #LDFLAGS	=	-g $(MACHDEP) -Wl,-Map,$(notdir $@).map
-LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--section-start,.init=0x81000000
 #LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--section-start,.init=0x80003f00
 
 #---------------------------------------------------------------------------------
diff --git a/source/dolloader.c b/source/dolloader.c
index 026694d0..ae5b4b95 100644
--- a/source/dolloader.c
+++ b/source/dolloader.c
@@ -1,42 +1,74 @@
-#include <malloc.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <ogc/machine/processor.h>
-#include <gccore.h>
-#include <dirent.h>
-#include <string.h>
-
-#include "dolloader.h"
-
-u32 load_dol_image (void *dolstart, struct __argv *argv) {
-	u32 i;
-	dolheader *dolfile;
-
-	if (dolstart) {
-		dolfile = (dolheader *) dolstart;
-		for (i = 0; i < 7; i++) {
-			if ((!dolfile->text_size[i]) || (dolfile->text_start[i] < 0x100)) continue;
-			VIDEO_WaitVSync();
-			ICInvalidateRange ((void *) dolfile->text_start[i],dolfile->text_size[i]);
-			memmove ((void *) dolfile->text_start[i],dolstart+dolfile->text_pos[i],dolfile->text_size[i]);
-		}
-
-		for(i = 0; i < 11; i++) {
-			if ((!dolfile->data_size[i]) || (dolfile->data_start[i] < 0x100)) continue;
-			VIDEO_WaitVSync();
-			memmove ((void *) dolfile->data_start[i],dolstart+dolfile->data_pos[i],dolfile->data_size[i]);
-			DCFlushRangeNoSync ((void *) dolfile->data_start[i],dolfile->data_size[i]);
-		}
-
-		memset ((void *) dolfile->bss_start, 0, dolfile->bss_size);
-		DCFlushRange((void *) dolfile->bss_start, dolfile->bss_size);
-
-		if (argv && argv->argvMagic == ARGV_MAGIC) {
-			void *new_argv = (void *)(dolfile->entry_point + 8);
-			memmove(new_argv, argv, sizeof(*argv));
-			DCFlushRange(new_argv, sizeof(*argv));
-		}
-		return dolfile->entry_point;
-	}
-	return 0;
-}
+// this code was contributed by shagkur of the devkitpro team, thx!
+
+#include <stdio.h>
+#include <string.h>
+
+#include <gccore.h>
+#include <ogcsys.h>
+
+typedef struct _dolheader {
+	u32 text_pos[7];
+	u32 data_pos[11];
+	u32 text_start[7];
+	u32 data_start[11];
+	u32 text_size[7];
+	u32 data_size[11];
+	u32 bss_start;
+	u32 bss_size;
+	u32 entry_point;
+} dolheader;
+
+u32 load_dol_image (void *dolstart) {
+	u32 i;
+	dolheader *dolfile;
+
+	if (dolstart) {
+		dolfile = (dolheader *) dolstart;
+		for (i = 0; i < 7; i++) {
+			if ((!dolfile->text_size[i]) ||
+                            (dolfile->text_start[i] < 0x100))
+                                continue;
+
+                        /*printf ("loading text section %u @ 0x%08x "
+                                "(0x%08x bytes)\n",
+                                i, dolfile->text_start[i],
+                                dolfile->text_size[i]);*/
+                        VIDEO_WaitVSync();
+
+			ICInvalidateRange ((void *) dolfile->text_start[i],
+                                                    dolfile->text_size[i]);
+			memmove ((void *) dolfile->text_start[i],
+                                 dolstart+dolfile->text_pos[i],
+                                 dolfile->text_size[i]);
+		}
+
+		for(i = 0; i < 11; i++) {
+			if ((!dolfile->data_size[i]) ||
+                            (dolfile->data_start[i] < 0x100))
+                                continue;
+
+                        /*printf ("loading data section %u @ 0x%08x "
+                                "(0x%08x bytes)\n",
+                                i, dolfile->data_start[i],
+                                dolfile->data_size[i]);*/
+                        VIDEO_WaitVSync();
+
+			memmove ((void*) dolfile->data_start[i],
+                                 dolstart+dolfile->data_pos[i],
+                                 dolfile->data_size[i]);
+			DCFlushRangeNoSync ((void *) dolfile->data_start[i],
+                                            dolfile->data_size[i]);
+		}
+
+                //printf ("clearing bss\n");
+                VIDEO_WaitVSync();
+
+		memset ((void *) dolfile->bss_start, 0, dolfile->bss_size);
+		DCFlushRange((void *) dolfile->bss_start, dolfile->bss_size);
+
+                return dolfile->entry_point;
+	}
+
+        return 0;
+}
+