diff --git a/decompressed.us.v10.yaml b/decompressed.us.v10.yaml
index 696f3e25..3f2c78bf 100644
--- a/decompressed.us.v10.yaml
+++ b/decompressed.us.v10.yaml
@@ -485,6 +485,14 @@ segments:
   - [0xF55960, .bss, done/io/controller]
   - [0xF55960, .bss, done/io/motor]
   - [0xF55960, .bss, done/io/cartrominit]
+  - [0xF55960, .bss, done/io/leodiskinit]
+  - [0xF55960, .bss, done/io/piacs]
+  - [0xF55960, .bss, done/os/timerintr]
+  - [0xF55960, .bss, done/io/siacs]
+  - [0xF55960, .bss, done/io/pfsisplug]
+  - [0xF55960, .bss, done/io/conteepread]
+  - [0xF55960, .bss, os/kdebugserver]
+  - [0xF55960, .bss, done/io/leointerrupt]
 - name: core2
   dir: core2
   type: code
diff --git a/src/core1/done/io/conteepread.c b/src/core1/done/io/conteepread.c
index 46a9512d..600aa413 100644
--- a/src/core1/done/io/conteepread.c
+++ b/src/core1/done/io/conteepread.c
@@ -3,7 +3,7 @@
 #include "siint.h"
 
 static void __osPackEepReadData(u8 address);
-extern OSPifRam __osEepPifRam; // todo bss
+OSPifRam __osEepPifRam; // todo bss
 s32 osEepromRead(OSMesgQueue *mq, u8 address, u8 *buffer)
 {
 	s32 ret;
diff --git a/src/core1/done/io/leointerrupt.c b/src/core1/done/io/leointerrupt.c
index 4e9a1b2f..678855c9 100644
--- a/src/core1/done/io/leointerrupt.c
+++ b/src/core1/done/io/leointerrupt.c
@@ -15,7 +15,6 @@ extern OSIntMask __OSGlobalIntMask;
 extern OSPiHandle *__osDiskHandle;
 
 u8 leoDiskStack[OS_PIM_STACKSIZE];
-
 s32 __osLeoInterrupt()
 {
 	u32 stat;
diff --git a/src/core1/done/io/pfsgetstatus.c b/src/core1/done/io/pfsgetstatus.c
index 96bce3d2..c5d65051 100644
--- a/src/core1/done/io/pfsgetstatus.c
+++ b/src/core1/done/io/pfsgetstatus.c
@@ -2,7 +2,7 @@
 #include "controller.h"
 #include "siint.h"
 
-OSPifRam __osPfsPifRam;
+extern OSPifRam __osPfsPifRam;
 s32 __osPfsGetStatus(OSMesgQueue *queue, int channel)
 {
     s32 ret;
diff --git a/src/core1/done/io/pfsisplug.c b/src/core1/done/io/pfsisplug.c
index 5add6ecb..1e5be720 100644
--- a/src/core1/done/io/pfsisplug.c
+++ b/src/core1/done/io/pfsisplug.c
@@ -2,7 +2,7 @@
 #include "controller.h"
 #include "siint.h"
 
-extern OSPifRam __osPfsPifRam; // TODO bss
+OSPifRam __osPfsPifRam; // TODO bss
 s32 osPfsIsPlug(OSMesgQueue *queue, u8 *pattern)
 {
     s32 ret;
diff --git a/src/core1/done/io/piacs.c b/src/core1/done/io/piacs.c
index 67a55fb0..0ec4264f 100644
--- a/src/core1/done/io/piacs.c
+++ b/src/core1/done/io/piacs.c
@@ -2,8 +2,8 @@
 
 #define PI_Q_BUF_LEN 1
 u32 __osPiAccessQueueEnabled = 0;
-extern OSMesg piAccessBuf[PI_Q_BUF_LEN]; // todo bss
-extern OSMesgQueue __osPiAccessQueue;
+OSMesg piAccessBuf[PI_Q_BUF_LEN]; // todo bss
+OSMesgQueue __osPiAccessQueue;
 void __osPiCreateAccessQueue(void)
 {
 
diff --git a/src/core1/done/io/siacs.c b/src/core1/done/io/siacs.c
index efe5693a..737ee103 100644
--- a/src/core1/done/io/siacs.c
+++ b/src/core1/done/io/siacs.c
@@ -2,8 +2,8 @@
 
 #define SI_Q_BUF_LEN 1
 u32 __osSiAccessQueueEnabled = 0;
-extern OSMesg siAccessBuf[SI_Q_BUF_LEN];
-extern OSMesgQueue __osSiAccessQueue;
+OSMesg siAccessBuf[SI_Q_BUF_LEN];
+OSMesgQueue __osSiAccessQueue;
 
 void __osSiCreateAccessQueue(void)
 {
diff --git a/src/core1/os/kdebugserver.c b/src/core1/os/kdebugserver.c
new file mode 100644
index 00000000..9d062249
--- /dev/null
+++ b/src/core1/os/kdebugserver.c
@@ -0,0 +1,4 @@
+#include <os_internal.h>
+
+//not included in final rom, but __osThreadSave is here for some reason
+OSThread __osThreadSave;
\ No newline at end of file
diff --git a/symbol_addrs.us.v10.txt b/symbol_addrs.us.v10.txt
index e273979a..f6468db9 100644
--- a/symbol_addrs.us.v10.txt
+++ b/symbol_addrs.us.v10.txt
@@ -457,6 +457,8 @@ _motorstopbuf = 0x80285BA0;
 __osSetSR = 0x8026A210;
 __osGetSR = 0x8026A220;
 __osEepPifRam = 0x80285DA0;
+__osThreadSave = 0x80285DE0;
+leoDiskStack = 0x80285F90;//technically should have a OS_LEO_STACKSIZE or something..
 
 
 alCSeqGetLoc = 0x80267320;