From 5d00dee27b6bd8c361c493f02a739550a7a7f4d6 Mon Sep 17 00:00:00 2001
From: RocketRobz <bobesh8@gmail.com>
Date: Thu, 2 May 2019 20:45:45 -0600
Subject: [PATCH] Revert some commits

---
 retail/arm9/source/conf_sd.cpp            |  9 ------
 retail/bootloader/source/arm7/main.arm7.c | 37 +++++++++++------------
 2 files changed, 18 insertions(+), 28 deletions(-)

diff --git a/retail/arm9/source/conf_sd.cpp b/retail/arm9/source/conf_sd.cpp
index d0b8145c7..1028cc69b 100644
--- a/retail/arm9/source/conf_sd.cpp
+++ b/retail/arm9/source/conf_sd.cpp
@@ -288,14 +288,5 @@ int loadFromSD(configuration* conf, const char *bootstrapPath) {
 		fclose(fatTableFile);
 	}
 
-	FILE *fatTableFile = fopen(fatTableFilePath.c_str(), "rb");
-	if (fatTableFile) {
-		fread((void*)0x02700000, 1, 0x400, fatTableFile);
-		if (*(u32*)(0x2700200) != 0) {
-			fread((void*)0x02700400, 1, 0x7FE00, fatTableFile);
-		}
-	}
-	fclose(fatTableFile);
-
 	return 0;
 }
diff --git a/retail/bootloader/source/arm7/main.arm7.c b/retail/bootloader/source/arm7/main.arm7.c
index e1b85550a..0f7d326e6 100644
--- a/retail/bootloader/source/arm7/main.arm7.c
+++ b/retail/bootloader/source/arm7/main.arm7.c
@@ -162,9 +162,8 @@ static void resetMemory_ARM7(void) {
 
 	arm7clearRAM();								// clear exclusive IWRAM
 	toncset((u32*)0x02000000, 0, 0x3F4000);	// clear most of EWRAM - except before 0x023F4000, which has the arm9 code
-	toncset((u32*)0x02400000, 0, 0x300000);	// clear other part of EWRAM - except before FAT table and ce7 binary
-	toncset((u32*)0x02780200, 0, 0x5FE00);		// clear part of EWRAM
-	toncset((u32*)0x027F0000, 0, 0x810000);
+	toncset((u32*)0x02400000, 0, 0x3E0000);	// clear other part of EWRAM - except before ce7 binary
+	toncset((u32*)0x027F0000, 0, 0x810000);	// clear part of EWRAM
 	REG_IE = 0;
 	REG_IF = ~0;
 	*(vu32*)(0x04000000 - 4) = 0;  // IRQ_HANDLER ARM7 version
@@ -646,7 +645,7 @@ int arm7_main(void) {
 		nocashMessage("!FAT_InitFiles");
 		return -1;
 	}
-    
+
 	if (logging) {
 		enableDebug(getBootFileCluster("NDSBTSRP.LOG", 0));
 	}
@@ -667,6 +666,11 @@ int arm7_main(void) {
 		return -1;
 	}
 	
+	// FAT table file
+	aFile fatTableFile = getFileFromCluster(fatTableFileCluster);
+	if (fatTableFile.firstCluster != CLUSTER_FREE) {
+		fileRead((char*)0x2700000, fatTableFile, 0, 0x400, -1);
+	}
 	bool fatTableEmpty = (*(u32*)(0x2700200) == 0);
 
 	if (*(u32*)(0x2700040) != storedFileCluster
@@ -696,24 +700,19 @@ int arm7_main(void) {
 	}
 
 	if (fatTableEmpty) {
-		// FAT table file
-		aFile fatTableFile = getFileFromCluster(fatTableFileCluster);
-
-		if (fatTableFile.firstCluster != CLUSTER_FREE) {
-			tonccpy((char*)0x2700000, (char*)ROM_FILE_LOCATION, 0x20);
-			tonccpy((char*)0x2700020, (char*)SAV_FILE_LOCATION, 0x20);
-			*(vu32*)(0x2700040) = storedFileCluster;
-			*(vu32*)(0x2700044) = romSize;
-			*(vu32*)(0x2700048) = saveFileCluster;
-			*(vu32*)(0x270004C) = saveSize;
-			fileWrite((char*)0x2700000, fatTableFile, 0, 0x200, -1);
-			fileWrite((char*)0x3700000, fatTableFile, 0x200, 0x80000, -1);
-		}
+		tonccpy((char*)0x2700000, (char*)ROM_FILE_LOCATION, 0x20);
+		tonccpy((char*)0x2700020, (char*)SAV_FILE_LOCATION, 0x20);
+		*(vu32*)(0x2700040) = storedFileCluster;
+		*(vu32*)(0x2700044) = romSize;
+		*(vu32*)(0x2700048) = saveFileCluster;
+		*(vu32*)(0x270004C) = saveSize;
+		fileWrite((char*)0x2700000, fatTableFile, 0, 0x200, -1);
+		fileWrite((char*)0x3700000, fatTableFile, 0x200, 0x80000, -1);
 	} else {
-		tonccpy((char*)0x3700000, (char*)0x2700200, 0x80000);
+		fileRead((char*)0x3700000, fatTableFile, 0x200, 0x80000, 0);
 	}
 
-	toncset((u32*)0x02700000, 0, 0x80200);
+	toncset((u32*)0x02700000, 0, 0x400);
 
 	// File containing cached patch offsets
 	aFile patchOffsetCacheFile = getFileFromCluster(patchOffsetCacheFileCluster);