diff --git a/arm9/Makefile b/arm9/Makefile
index 1cb8c26..2d73e62 100644
--- a/arm9/Makefile
+++ b/arm9/Makefile
@@ -38,7 +38,7 @@ CFLAGS	+=	$(INCLUDE) -DARM9 -D_NO_BOOTSTUB_
 CXXFLAGS	:= $(CFLAGS) -fno-exceptions -std=gnu++11
 
 ASFLAGS	:=	-g $(ARCH)
-LDFLAGS	=	-specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+LDFLAGS	=	-specs=../ds_arm9_hi.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
 
 #---------------------------------------------------------------------------------
 # any extra libraries we wish to link with the project (order is important)
diff --git a/arm9/ds_arm9_hi.mem b/arm9/ds_arm9_hi.mem
new file mode 100644
index 0000000..f4522da
--- /dev/null
+++ b/arm9/ds_arm9_hi.mem
@@ -0,0 +1,11 @@
+/*--------------------------------------------------------------------------------
+	This Source Code Form is subject to the terms of the Mozilla Public License,
+	v. 2.0. If a copy of the MPL was not distributed with this file, You can
+	obtain one at https://mozilla.org/MPL/2.0/.
+--------------------------------------------------------------------------------*/
+MEMORY {
+	ewram	: ORIGIN = 0x02004000, LENGTH = 3M + 512K - 0x4000
+	dtcm	: ORIGIN = 0x0b000000, LENGTH = 16K
+	vectors	: ORIGIN = 0x01000000, LENGTH = 256
+	itcm	: ORIGIN = 0x01000100, LENGTH = 32K - 256
+}
diff --git a/arm9/ds_arm9_hi.specs b/arm9/ds_arm9_hi.specs
new file mode 100644
index 0000000..c5d66ea
--- /dev/null
+++ b/arm9/ds_arm9_hi.specs
@@ -0,0 +1,8 @@
+%rename link                old_link
+
+*link:
+%(old_link) -T ../ds_arm9_hi.mem%s -T ds_arm9.ld%s --gc-sections
+
+*startfile:
+ds_arm9_crt0%O%s crti%O%s crtbegin%O%s
+
diff --git a/bootloader/source/arm9clear.arm.c b/bootloader/source/arm9clear.arm.c
index c08809e..9a076f9 100644
--- a/bootloader/source/arm9clear.arm.c
+++ b/bootloader/source/arm9clear.arm.c
@@ -35,8 +35,8 @@ void __attribute__ ((long_call)) __attribute__((naked)) __attribute__((noreturn)
 
 	VRAM_CR = (VRAM_CR & 0xffff0000) | 0x00008080 ;
 	
-	u16 *mainregs = (u16*)0x04000000;
-	u16 *subregs = (u16*)0x04001000;
+	vu16 *mainregs = (vu16*)0x04000000;
+	vu16 *subregs = (vu16*)0x04001000;
 	
 	for (i=0; i<43; i++) {
 		mainregs[i] = 0;