diff --git a/pack/dol_objects.txt b/pack/dol_objects.txt
index 2ce8cc656..7835a6348 100644
--- a/pack/dol_objects.txt
+++ b/pack/dol_objects.txt
@@ -353,9 +353,13 @@ out/dvdBroadway.o
 out/encUtility.o
 out/dol/text_80166d0c_801671d0.o
 out/esp.o
-out/dol/text_80167b08_80169bcc.o
+out/euart.o
+out/exiBios.o
+out/exiUart.o
 out/dol/sdata_80385918_80385920.o
 out/dol/sbss_80386744_80386770.o
+out/dol/sdata2_803886bc_803886c0.o
+out/exiCommon.o
 out/fs.o
 out/dol/text_8016b49c_80192f7c.o
 out/dol/sdata_80385930_80385990.o
@@ -365,7 +369,7 @@ out/dol/sbss_803867fc_80386800.o
 out/ipcclt.o
 out/dol/text_801949b8_801950a0.o
 out/dol/sbss_80386810_80386818.o
-out/dol/sdata2_803886bc_80388800.o
+out/dol/sdata2_803886c4_80388800.o
 out/rvlKpad.o
 out/rvlMemHeap.o
 out/rvlMemExpHeap.o
diff --git a/pack/dol_slices.csv b/pack/dol_slices.csv
index 7a5718fb5..ca244152e 100644
--- a/pack/dol_slices.csv
+++ b/pack/dol_slices.csv
@@ -191,6 +191,10 @@ enabled,strip,name,initStart,initEnd,extabStart,extabEnd,extabindexStart,extabin
 1,,source/rvl/dvd/dvdBroadway.c,,,,,,,0x80164684,0x80166ad0,,,,,,,,,,,,,,,,,,
 1,,source/rvl/enc/encUtility.c,,,,,,,0x80166ad0,0x80166d0c,,,,,,,,,,,,,0x80386740,0x80386744,,,,
 1,,source/rvl/esp/esp.c,,,,,,,0x801671d0,0x80167b08,,,,,,,,,,,0x80385908,0x80385918,,,,,,
+1,,source/rvl/euart/euart.c,,,,,,,0x80167b08,0x80167e78,,,,,,,,,,,,,,,,,,
+1,,source/rvl/exi/exiBios.c,,,,,,,0x80167e78,0x8016970c,,,,,,,,,,,,,,,,,,
+1,,source/rvl/exi/exiUart.c,,,,,,,0x8016970c,0x80169a40,,,,,,,,,,,,,,,,,,
+1,,source/rvl/exi/exiCommon.c,,,,,,,0x80169a40,0x80169bcc,,,,,,,,,,,,,,,0x803886c0,0x803886c4,,
 1,,source/rvl/fs/fs.c,,,,,,,0x80169bcc,0x8016b49c,,,,,,,,,,,0x80385920,0x80385930,0x80386770,0x80386788,,,,
 1,,source/rvl/ipc/ipcMain.c,,,,,,,0x80192f7c,0x80193048,,,,,,,,,,,,,0x803867e8,0x803867fc,,,,
 1,,source/rvl/ipc/ipcclt.c,,,,,,,0x80193048,0x801949b8,,,,,,,,,,,0x80385990,0x80385998,0x80386800,0x80386810,,,,
diff --git a/source/rvl/euart/euart.c b/source/rvl/euart/euart.c
new file mode 100644
index 000000000..b3e76b6cf
--- /dev/null
+++ b/source/rvl/euart/euart.c
@@ -0,0 +1,282 @@
+#include "euart.h"
+
+#include <rvl/os/osInterrupt.h>
+
+#include <rvl/exi/exiBios.h>
+#include <rvl/exi/exiCommon.h>
+
+// Extern function references.
+// PAL: 0x8019f33c
+extern UNKNOWN_FUNCTION(OSGetConsoleType);
+
+// Symbol: EUARTInit
+// PAL: 0x80167b08..0x80167c04
+MARK_BINARY_BLOB(EUARTInit, 0x80167b08, 0x80167c04);
+asm UNKNOWN_FUNCTION(EUARTInit) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  lwz r0, -0x64b8(r13);
+  cmpwi r0, 0;
+  beq lbl_80167b2c;
+  li r3, 1;
+  b lbl_80167bf0;
+lbl_80167b2c:
+  bl OSGetConsoleType;
+  rlwinm. r0, r3, 0, 3, 3;
+  bne lbl_80167b48;
+  li r0, 2;
+  li r3, 0;
+  stw r0, -0x64b4(r13);
+  b lbl_80167bf0;
+lbl_80167b48:
+  bl OSDisableInterrupts;
+  li r0, 0xf2;
+  mr r31, r3;
+  stb r0, 8(r1);
+  addi r6, r1, 8;
+  li r3, 0;
+  li r4, 1;
+  lis r5, 0xb000;
+  li r7, 1;
+  bl EXIWriteReg;
+  cmpwi r3, 0;
+  bne lbl_80167b90;
+  li r0, 5;
+  mr r3, r31;
+  stw r0, -0x64b4(r13);
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80167bf0;
+lbl_80167b90:
+  li r0, 0xf3;
+  addi r6, r1, 8;
+  stb r0, 8(r1);
+  li r3, 0;
+  li r4, 1;
+  lis r5, 0xb000;
+  li r7, 1;
+  bl EXIWriteReg;
+  cmpwi r3, 0;
+  bne lbl_80167bd0;
+  li r0, 5;
+  mr r3, r31;
+  stw r0, -0x64b4(r13);
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80167bf0;
+lbl_80167bd0:
+  mr r3, r31;
+  bl OSRestoreInterrupts;
+  li r0, 0;
+  li r3, 1;
+  stw r3, -0x64b8(r13);
+  li r3, 1;
+  stw r0, -0x64b4(r13);
+  stw r0, -0x64b0(r13);
+lbl_80167bf0:
+  lwz r0, 0x24(r1);
+  lwz r31, 0x1c(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: InitializeUART
+// PAL: 0x80167c04..0x80167c4c
+MARK_BINARY_BLOB(InitializeUART, 0x80167c04, 0x80167c4c);
+asm UNKNOWN_FUNCTION(InitializeUART) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x10(r1);
+  mflr r0;
+  stw r0, 0x14(r1);
+  bl OSGetConsoleType;
+  rlwinm. r0, r3, 0, 3, 3;
+  bne lbl_80167c2c;
+  li r0, 0;
+  li r3, 2;
+  stw r0, -0x64ac(r13);
+  b lbl_80167c3c;
+lbl_80167c2c:
+  lis r4, 0xa5ff;
+  li r3, 0;
+  addi r0, r4, 0x5a;
+  stw r0, -0x64ac(r13);
+lbl_80167c3c:
+  lwz r0, 0x14(r1);
+  mtlr r0;
+  addi r1, r1, 0x10;
+  blr;
+  // clang-format on
+}
+
+// Symbol: WriteUARTN
+// PAL: 0x80167c4c..0x80167e78
+MARK_BINARY_BLOB(WriteUARTN, 0x80167c4c, 0x80167e78);
+asm UNKNOWN_FUNCTION(WriteUARTN) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x30(r1);
+  mflr r0;
+  stw r0, 0x34(r1);
+  addi r11, r1, 0x30;
+  bl _savegpr_26;
+  lwz r5, -0x64ac(r13);
+  mr r30, r3;
+  mr r31, r4;
+  addis r0, r5, 0x5a01;
+  cmplwi r0, 0x5a;
+  beq lbl_80167c80;
+  li r3, 2;
+  b lbl_80167e60;
+lbl_80167c80:
+  lwz r0, -0x64b8(r13);
+  cmpwi r0, 0;
+  bne lbl_80167ca0;
+  bl EUARTInit;
+  cmpwi r3, 0;
+  bne lbl_80167ca0;
+  li r3, 2;
+  b lbl_80167e60;
+lbl_80167ca0:
+  lwz r0, -0x64b8(r13);
+  cmpwi r0, 0;
+  bne lbl_80167cbc;
+  li r0, 1;
+  li r3, 2;
+  stw r0, -0x64b4(r13);
+  b lbl_80167e60;
+lbl_80167cbc:
+  li r3, 0;
+  li r4, 1;
+  li r5, 0;
+  bl EXILock;
+  cmpwi r3, 0;
+  bne lbl_80167cdc;
+  li r3, 0;
+  b lbl_80167e60;
+lbl_80167cdc:
+  mr r4, r30;
+  li r3, 0xd;
+  b lbl_80167cfc;
+lbl_80167ce8:
+  lbz r0, 0(r4);
+  cmpwi r0, 0xa;
+  bne lbl_80167cf8;
+  stb r3, 0(r4);
+lbl_80167cf8:
+  addi r4, r4, 1;
+lbl_80167cfc:
+  subf r0, r30, r4;
+  cmplw r0, r31;
+  blt lbl_80167ce8;
+  lis r3, 0xb000;
+  lwz r28, unk_803886c0;
+  addi r0, r3, 0x100;
+  li r26, 0;
+  stw r0, 0x14(r1);
+  lis r29, 0x3000;
+  b lbl_80167e4c;
+lbl_80167d24:
+  mr r5, r28;
+  li r3, 0;
+  li r4, 1;
+  bl EXISelect;
+  cmpwi r3, 0;
+  bne lbl_80167d44;
+  li r27, -1;
+  b lbl_80167da0;
+lbl_80167d44:
+  addi r0, r29, 0x100;
+  addi r4, r1, 8;
+  stw r0, 8(r1);
+  li r3, 0;
+  li r5, 4;
+  li r6, 1;
+  li r7, 0;
+  bl EXIImm;
+  li r3, 0;
+  bl EXISync;
+  addi r4, r1, 0xc;
+  li r3, 0;
+  li r5, 4;
+  li r6, 0;
+  li r7, 0;
+  bl EXIImm;
+  li r3, 0;
+  bl EXISync;
+  li r3, 0;
+  bl EXIDeselect;
+  lwz r0, 0xc(r1);
+  rlwinm r0, r0, 8, 0x1a, 0x1f;
+  subfic r27, r0, 0x20;
+lbl_80167da0:
+  cmpwi r27, 0;
+  bge lbl_80167db0;
+  li r26, 3;
+  b lbl_80167e54;
+lbl_80167db0:
+  cmpwi r27, 0x20;
+  bne lbl_80167e4c;
+  mr r5, r28;
+  li r3, 0;
+  li r4, 1;
+  bl EXISelect;
+  cmpwi r3, 0;
+  bne lbl_80167dd8;
+  li r26, 3;
+  b lbl_80167e54;
+lbl_80167dd8:
+  addi r4, r1, 0x14;
+  li r3, 0;
+  li r5, 4;
+  li r6, 1;
+  li r7, 0;
+  bl EXIImm;
+  li r3, 0;
+  bl EXISync;
+  b lbl_80167e34;
+lbl_80167dfc:
+  lbz r0, 0(r30);
+  addi r4, r1, 0x10;
+  li r3, 0;
+  li r5, 4;
+  slwi r0, r0, 0x18;
+  li r6, 1;
+  stw r0, 0x10(r1);
+  li r7, 0;
+  bl EXIImm;
+  li r3, 0;
+  bl EXISync;
+  addi r30, r30, 1;
+  addi r27, r27, -1;
+  addi r31, r31, -1;
+lbl_80167e34:
+  cmpwi r27, 0;
+  ble lbl_80167e44;
+  cmpwi r31, 0;
+  bne lbl_80167dfc;
+lbl_80167e44:
+  li r3, 0;
+  bl EXIDeselect;
+lbl_80167e4c:
+  cmpwi r31, 0;
+  bne lbl_80167d24;
+lbl_80167e54:
+  li r3, 0;
+  bl EXIUnlock;
+  mr r3, r26;
+lbl_80167e60:
+  addi r11, r1, 0x30;
+  bl _restgpr_26;
+  lwz r0, 0x34(r1);
+  mtlr r0;
+  addi r1, r1, 0x30;
+  blr;
+  // clang-format on
+}
diff --git a/source/rvl/euart/euart.h b/source/rvl/euart/euart.h
new file mode 100644
index 000000000..05ee17967
--- /dev/null
+++ b/source/rvl/euart/euart.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <rk_types.h>
+
+#include <decomp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// PAL: 0x80167b08..0x80167c04
+UNKNOWN_FUNCTION(EUARTInit);
+// PAL: 0x80167c04..0x80167c4c
+UNKNOWN_FUNCTION(InitializeUART);
+// PAL: 0x80167c4c..0x80167e78
+UNKNOWN_FUNCTION(WriteUARTN);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/source/rvl/exi/exiBios.c b/source/rvl/exi/exiBios.c
new file mode 100644
index 000000000..de2986dd2
--- /dev/null
+++ b/source/rvl/exi/exiBios.c
@@ -0,0 +1,1879 @@
+#include "exiBios.h"
+
+#include <string.h>
+
+#include <rvl/os/os.h>
+#include <rvl/os/osContext.h>
+#include <rvl/os/osInterrupt.h>
+
+#include "exiUart.h"
+
+// Extern function references.
+// PAL: 0x8019f33c
+extern UNKNOWN_FUNCTION(OSGetConsoleType);
+// PAL: 0x801a04f4
+extern UNKNOWN_FUNCTION(__OSGetDIConfig);
+
+// Symbol: SetExiInterruptMask
+// PAL: 0x80167e78..0x80167f68
+MARK_BINARY_BLOB(SetExiInterruptMask, 0x80167e78, 0x80167f68);
+asm UNKNOWN_FUNCTION(SetExiInterruptMask) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x10(r1);
+  mflr r0;
+  stw r0, 0x14(r1);
+  stw r31, 0xc(r1);
+  mr r31, r4;
+  lis r5, 0x8034;
+  addi r5, r5, 0x3680;
+  cmpwi r3, 1;
+  beq lbl_80167ef4;
+  bge lbl_80167eac;
+  cmpwi r3, 0;
+  bge lbl_80167eb8;
+  b lbl_80167f54;
+lbl_80167eac:
+  cmpwi r3, 3;
+  bge lbl_80167f54;
+  b lbl_80167f24;
+lbl_80167eb8:
+  lwz r0, 0(r4);
+  cmpwi r0, 0;
+  bne lbl_80167ed0;
+  lwz r0, 0x80(r5);
+  cmpwi r0, 0;
+  beq lbl_80167edc;
+lbl_80167ed0:
+  lwz r0, 0xc(r4);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80167ee8;
+lbl_80167edc:
+  lis r3, 0x41;
+  bl __OSMaskInterrupts;
+  b lbl_80167f54;
+lbl_80167ee8:
+  lis r3, 0x41;
+  bl __OSUnmaskInterrupts;
+  b lbl_80167f54;
+lbl_80167ef4:
+  lwz r0, 0(r4);
+  cmpwi r0, 0;
+  beq lbl_80167f0c;
+  lwz r0, 0xc(r4);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80167f18;
+lbl_80167f0c:
+  lis r3, 8;
+  bl __OSMaskInterrupts;
+  b lbl_80167f54;
+lbl_80167f18:
+  lis r3, 8;
+  bl __OSUnmaskInterrupts;
+  b lbl_80167f54;
+lbl_80167f24:
+  li r3, 0x19;
+  bl __OSGetInterruptHandler;
+  cmpwi r3, 0;
+  beq lbl_80167f40;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80167f4c;
+lbl_80167f40:
+  li r3, 0x40;
+  bl __OSMaskInterrupts;
+  b lbl_80167f54;
+lbl_80167f4c:
+  li r3, 0x40;
+  bl __OSUnmaskInterrupts;
+lbl_80167f54:
+  lwz r31, 0xc(r1);
+  lwz r0, 0x14(r1);
+  mtlr r0;
+  addi r1, r1, 0x10;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIImm
+// PAL: 0x80167f68..0x801681e4
+MARK_BINARY_BLOB(EXIImm, 0x80167f68, 0x801681e4);
+asm UNKNOWN_FUNCTION(EXIImm) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x30(r1);
+  mflr r0;
+  stw r0, 0x34(r1);
+  addi r11, r1, 0x30;
+  bl _savegpr_25;
+  mr r26, r3;
+  mr r27, r4;
+  mr r28, r5;
+  mr r29, r6;
+  mr r25, r7;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r31, r3, r0;
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0xc(r31);
+  clrlwi. r0, r0, 0x1e;
+  bne lbl_80167fc0;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1d, 0x1d;
+  bne lbl_80167fd0;
+lbl_80167fc0:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_801681cc;
+lbl_80167fd0:
+  stw r25, 4(r31);
+  cmpwi r25, 0;
+  beq lbl_8016800c;
+  mulli r3, r26, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 8;
+  stw r0, 0x6800(r3);
+  lis r3, 0x20;
+  slwi r0, r26, 2;
+  subf r0, r26, r0;
+  srw r3, r3, r0;
+  bl __OSUnmaskInterrupts;
+lbl_8016800c:
+  lwz r0, 0xc(r31);
+  ori r0, r0, 2;
+  stw r0, 0xc(r31);
+  cmpwi r29, 0;
+  beq lbl_80168180;
+  li r0, 0;
+  li r4, 0;
+  cmpwi cr1, r28, 0;
+  ble cr1, lbl_80168170;
+  addi r6, r28, -8;
+  cmpwi r28, 8;
+  ble lbl_8016813c;
+  li r5, 0;
+  blt cr1, lbl_80168058;
+  lis r3, 0x8000;
+  addi r3, r3, -2;
+  cmpw r28, r3;
+  bgt lbl_80168058;
+  li r5, 1;
+lbl_80168058:
+  cmpwi r5, 0;
+  beq lbl_8016813c;
+  mr r3, r27;
+  addi r5, r6, 7;
+  srwi r5, r5, 3;
+  mtctr r5;
+  cmpwi r6, 0;
+  ble lbl_8016813c;
+lbl_80168078:
+  lbz r6, 0(r3);
+  subfic r5, r4, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 1(r3);
+  addi r5, r4, 1;
+  subfic r5, r5, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 2(r3);
+  addi r5, r4, 2;
+  subfic r5, r5, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 3(r3);
+  neg r5, r4;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 4(r3);
+  addi r5, r4, 4;
+  subfic r5, r5, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 5(r3);
+  addi r5, r4, 5;
+  subfic r5, r5, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 6(r3);
+  addi r5, r4, 6;
+  subfic r5, r5, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  lbz r6, 7(r3);
+  addi r5, r4, 7;
+  subfic r5, r5, 3;
+  slwi r5, r5, 3;
+  slw r5, r6, r5;
+  or r0, r0, r5;
+  addi r3, r3, 8;
+  addi r4, r4, 8;
+  bdnz lbl_80168078;
+lbl_8016813c:
+  add r6, r27, r4;
+  subf r3, r4, r28;
+  mtctr r3;
+  cmpw r4, r28;
+  bge lbl_80168170;
+lbl_80168150:
+  lbz r5, 0(r6);
+  subfic r3, r4, 3;
+  slwi r3, r3, 3;
+  slw r3, r5, r3;
+  or r0, r0, r3;
+  addi r6, r6, 1;
+  addi r4, r4, 1;
+  bdnz lbl_80168150;
+lbl_80168170:
+  lis r4, 0xcd00;
+  mulli r3, r26, 0x14;
+  add r3, r4, r3;
+  stw r0, 0x6810(r3);
+lbl_80168180:
+  stw r27, 0x14(r31);
+  addi r3, r29, -1;
+  subfic r0, r29, 1;
+  or r0, r3, r0;
+  srawi r0, r0, 0x1f;
+  and r0, r28, r0;
+  stw r0, 0x10(r31);
+  slwi r0, r29, 2;
+  ori r3, r0, 1;
+  addi r0, r28, -1;
+  slwi r0, r0, 4;
+  or r4, r3, r0;
+  lis r3, 0xcd00;
+  mulli r0, r26, 0x14;
+  add r3, r3, r0;
+  stw r4, 0x680c(r3);
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+lbl_801681cc:
+  addi r11, r1, 0x30;
+  bl _restgpr_25;
+  lwz r0, 0x34(r1);
+  mtlr r0;
+  addi r1, r1, 0x30;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIImmEx
+// PAL: 0x801681e4..0x80168288
+MARK_BINARY_BLOB(EXIImmEx, 0x801681e4, 0x80168288);
+asm UNKNOWN_FUNCTION(EXIImmEx) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  addi r11, r1, 0x20;
+  bl _savegpr_27;
+  mr r27, r3;
+  mr r28, r4;
+  mr r29, r5;
+  mr r30, r6;
+  b lbl_80168264;
+lbl_8016820c:
+  cmpwi r29, 4;
+  li r31, 4;
+  bge lbl_8016821c;
+  mr r31, r29;
+lbl_8016821c:
+  mr r3, r27;
+  mr r4, r28;
+  mr r5, r31;
+  mr r6, r30;
+  li r7, 0;
+  bl EXIImm;
+  cmpwi r3, 0;
+  bne lbl_80168244;
+  li r3, 0;
+  b lbl_80168270;
+lbl_80168244:
+  mr r3, r27;
+  bl EXISync;
+  cmpwi r3, 0;
+  bne lbl_8016825c;
+  li r3, 0;
+  b lbl_80168270;
+lbl_8016825c:
+  add r28, r28, r31;
+  subf r29, r31, r29;
+lbl_80168264:
+  cmpwi r29, 0;
+  bne lbl_8016820c;
+  li r3, 1;
+lbl_80168270:
+  addi r11, r1, 0x20;
+  bl _restgpr_27;
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIDma
+// PAL: 0x80168288..0x80168380
+MARK_BINARY_BLOB(EXIDma, 0x80168288, 0x80168380);
+asm UNKNOWN_FUNCTION(EXIDma) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x30(r1);
+  mflr r0;
+  stw r0, 0x34(r1);
+  addi r11, r1, 0x30;
+  bl _savegpr_25;
+  mr r26, r3;
+  mr r27, r4;
+  mr r28, r5;
+  mr r29, r6;
+  mr r25, r7;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r31, r3, r0;
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0xc(r31);
+  clrlwi. r0, r0, 0x1e;
+  bne lbl_801682e0;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1d, 0x1d;
+  bne lbl_801682f0;
+lbl_801682e0:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80168368;
+lbl_801682f0:
+  stw r25, 4(r31);
+  cmpwi r25, 0;
+  beq lbl_8016832c;
+  mulli r3, r26, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 8;
+  stw r0, 0x6800(r3);
+  lis r3, 0x20;
+  slwi r0, r26, 2;
+  subf r0, r26, r0;
+  srw r3, r3, r0;
+  bl __OSUnmaskInterrupts;
+lbl_8016832c:
+  lwz r0, 0xc(r31);
+  ori r0, r0, 1;
+  stw r0, 0xc(r31);
+  mulli r3, r26, 0x14;
+  rlwinm r4, r27, 0, 0, 0x1a;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  stw r4, 0x6804(r3);
+  stw r28, 0x6808(r3);
+  slwi r0, r29, 2;
+  ori r0, r0, 3;
+  stw r0, 0x680c(r3);
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+lbl_80168368:
+  addi r11, r1, 0x30;
+  bl _restgpr_25;
+  lwz r0, 0x34(r1);
+  mtlr r0;
+  addi r1, r1, 0x30;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXISync
+// PAL: 0x80168380..0x801685fc
+MARK_BINARY_BLOB(EXISync, 0x80168380, 0x801685fc);
+asm UNKNOWN_FUNCTION(EXISync) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  stw r28, 0x10(r1);
+  slwi r0, r3, 6;
+  lis r4, 0x8034;
+  addi r4, r4, 0x3680;
+  add r31, r4, r0;
+  li r29, 0;
+  mulli r30, r3, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r30;
+  b lbl_801685cc;
+lbl_801683c0:
+  lwz r0, 0x680c(r3);
+  clrlwi. r0, r0, 0x1f;
+  bne lbl_801685cc;
+  bl OSDisableInterrupts;
+  mr r28, r3;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1d, 0x1d;
+  beq lbl_801685c0;
+  lwz r0, 0xc(r31);
+  clrlwi. r0, r0, 0x1e;
+  beq lbl_8016853c;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1e, 0x1e;
+  beq lbl_80168530;
+  lwz r5, 0x10(r31);
+  cmpwi cr1, r5, 0;
+  beq cr1, lbl_80168530;
+  lwz r4, 0x14(r31);
+  lis r0, 0xcd00;
+  add r3, r0, r30;
+  lwz r0, 0x6810(r3);
+  li r3, 0;
+  ble cr1, lbl_80168530;
+  addi r7, r5, -8;
+  cmpwi r5, 8;
+  ble lbl_80168504;
+  li r8, 0;
+  blt cr1, lbl_80168444;
+  lis r6, 0x8000;
+  addi r6, r6, -2;
+  cmpw r5, r6;
+  bgt lbl_80168444;
+  li r8, 1;
+lbl_80168444:
+  cmpwi r8, 0;
+  beq lbl_80168504;
+  addi r6, r7, 7;
+  srwi r6, r6, 3;
+  mtctr r6;
+  cmpwi r7, 0;
+  ble lbl_80168504;
+lbl_80168460:
+  subfic r6, r3, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 0(r4);
+  addi r6, r3, 1;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 1(r4);
+  addi r6, r3, 2;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 2(r4);
+  neg r6, r3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 3(r4);
+  addi r6, r3, 4;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 4(r4);
+  addi r6, r3, 5;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 5(r4);
+  addi r6, r3, 6;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 6(r4);
+  addi r6, r3, 7;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 7(r4);
+  addi r4, r4, 8;
+  addi r3, r3, 8;
+  bdnz lbl_80168460;
+lbl_80168504:
+  subf r6, r3, r5;
+  mtctr r6;
+  cmpw r3, r5;
+  bge lbl_80168530;
+lbl_80168514:
+  subfic r5, r3, 3;
+  slwi r5, r5, 3;
+  srw r5, r0, r5;
+  stb r5, 0(r4);
+  addi r4, r4, 1;
+  addi r3, r3, 1;
+  bdnz lbl_80168514;
+lbl_80168530:
+  lwz r0, 0xc(r31);
+  rlwinm r0, r0, 0, 0, 0x1d;
+  stw r0, 0xc(r31);
+lbl_8016853c:
+  bl __OSGetDIConfig;
+  cmplwi r3, 0xff;
+  bne lbl_801685bc;
+  bl OSGetConsoleType;
+  rlwinm r3, r3, 0, 0, 3;
+  addis r0, r3, 0xe000;
+  cmplwi r0, 0;
+  beq lbl_801685bc;
+  lwz r0, 0x10(r31);
+  cmpwi r0, 4;
+  bne lbl_801685bc;
+  lis r0, 0xcd00;
+  add r4, r0, r30;
+  lwz r0, 0x6800(r4);
+  rlwinm. r0, r0, 0, 0x19, 0x1b;
+  bne lbl_801685bc;
+  lwz r3, 0x6810(r4);
+  addis r0, r3, 0xfeff;
+  cmplwi r0, 0;
+  beq lbl_801685ac;
+  lwz r3, 0x6810(r4);
+  addis r0, r3, 0xfaf9;
+  cmplwi r0, 0;
+  beq lbl_801685ac;
+  lwz r3, 0x6810(r4);
+  addis r0, r3, 0xfbde;
+  cmplwi r0, 1;
+  bne lbl_801685bc;
+lbl_801685ac:
+  lis r3, 0x8000;
+  lhz r0, 0x30e6(r3);
+  cmplwi r0, 0x8200;
+  bne lbl_801685c0;
+lbl_801685bc:
+  li r29, 1;
+lbl_801685c0:
+  mr r3, r28;
+  bl OSRestoreInterrupts;
+  b lbl_801685d8;
+lbl_801685cc:
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1d, 0x1d;
+  bne lbl_801683c0;
+lbl_801685d8:
+  mr r3, r29;
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r28, 0x10(r1);
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXISetExiCallback
+// PAL: 0x801685fc..0x80168680
+MARK_BINARY_BLOB(EXISetExiCallback, 0x801685fc, 0x80168680);
+asm UNKNOWN_FUNCTION(EXISetExiCallback) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  addi r11, r1, 0x20;
+  bl _savegpr_26;
+  mr r26, r3;
+  mr r27, r4;
+  slwi r0, r3, 6;
+  lis r31, 0x8034;
+  addi r31, r31, 0x3680;
+  add r30, r31, r0;
+  bl OSDisableInterrupts;
+  mr r28, r3;
+  lwz r29, 0(r30);
+  stw r27, 0(r30);
+  cmpwi r26, 2;
+  beq lbl_80168650;
+  mr r3, r26;
+  mr r4, r30;
+  bl SetExiInterruptMask;
+  b lbl_8016865c;
+lbl_80168650:
+  li r3, 0;
+  mr r4, r31;
+  bl SetExiInterruptMask;
+lbl_8016865c:
+  mr r3, r28;
+  bl OSRestoreInterrupts;
+  mr r3, r29;
+  addi r11, r1, 0x20;
+  bl _restgpr_26;
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: __EXIProbe
+// PAL: 0x80168680..0x80168800
+MARK_BINARY_BLOB(__EXIProbe, 0x80168680, 0x80168800);
+asm UNKNOWN_FUNCTION(__EXIProbe) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  stw r28, 0x10(r1);
+  mr r28, r3;
+  slwi r0, r3, 6;
+  lis r4, 0x8034;
+  addi r4, r4, 0x3680;
+  add r31, r4, r0;
+  cmpwi r3, 2;
+  bne lbl_801686c0;
+  li r3, 1;
+  b lbl_801687e0;
+lbl_801686c0:
+  li r29, 1;
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  mulli r3, r28, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r5, 0x6800(r3);
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  bne lbl_801687a8;
+  rlwinm. r0, r5, 0, 0x14, 0x14;
+  beq lbl_80168718;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 0x800;
+  stw r0, 0x6800(r3);
+  li r4, 0;
+  stw r4, 0x20(r31);
+  slwi r3, r28, 2;
+  lis r0, 0x8000;
+  add r3, r0, r3;
+  stw r4, 0x30c0(r3);
+lbl_80168718:
+  rlwinm. r0, r5, 0, 0x13, 0x13;
+  beq lbl_80168788;
+  bl OSGetTime;
+  lis r31, 0x8000;
+  lwz r0, 0xf8(r31);
+  srwi r0, r0, 2;
+  lis r5, 0x1062;
+  addi r5, r5, 0x4dd3;
+  mulhwu r0, r5, r0;
+  srwi r6, r0, 6;
+  li r5, 0;
+  bl __div2i;
+  li r6, 0x64;
+  li r5, 0;
+  bl __div2i;
+  addi r4, r4, 1;
+  slwi r0, r28, 2;
+  add r3, r31, r0;
+  lwz r0, 0x30c0(r3);
+  cmpwi r0, 0;
+  bne lbl_80168770;
+  stw r4, 0x30c0(r3);
+lbl_80168770:
+  lwz r0, 0x30c0(r3);
+  subf r0, r0, r4;
+  cmpwi r0, 3;
+  bge lbl_801687d4;
+  li r29, 0;
+  b lbl_801687d4;
+lbl_80168788:
+  li r4, 0;
+  stw r4, 0x20(r31);
+  slwi r3, r28, 2;
+  lis r0, 0x8000;
+  add r3, r0, r3;
+  stw r4, 0x30c0(r3);
+  li r29, 0;
+  b lbl_801687d4;
+lbl_801687a8:
+  rlwinm. r0, r5, 0, 0x13, 0x13;
+  beq lbl_801687b8;
+  rlwinm. r0, r5, 0, 0x14, 0x14;
+  beq lbl_801687d4;
+lbl_801687b8:
+  li r4, 0;
+  stw r4, 0x20(r31);
+  slwi r3, r28, 2;
+  lis r0, 0x8000;
+  add r3, r0, r3;
+  stw r4, 0x30c0(r3);
+  li r29, 0;
+lbl_801687d4:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  mr r3, r29;
+lbl_801687e0:
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r28, 0x10(r1);
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIAttach
+// PAL: 0x80168800..0x80168918
+MARK_BINARY_BLOB(EXIAttach, 0x80168800, 0x80168918);
+asm UNKNOWN_FUNCTION(EXIAttach) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x30(r1);
+  mflr r0;
+  stw r0, 0x34(r1);
+  addi r11, r1, 0x30;
+  bl _savegpr_27;
+  mr r29, r3;
+  mr r27, r4;
+  slwi r0, r3, 6;
+  lis r4, 0x8034;
+  addi r4, r4, 0x3680;
+  add r31, r4, r0;
+  bl __EXIProbe;
+  cmpwi r3, 0;
+  beq lbl_80168854;
+  lwz r0, 0x20(r31);
+  cmpwi r0, 0;
+  bne lbl_80168854;
+  mr r3, r29;
+  li r4, 0;
+  addi r5, r1, 8;
+  bl EXIGetID;
+lbl_80168854:
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0x20(r31);
+  cmpwi r0, 0;
+  bne lbl_80168874;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80168900;
+lbl_80168874:
+  bl OSDisableInterrupts;
+  mr r28, r3;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  bne lbl_80168898;
+  mr r3, r29;
+  bl __EXIProbe;
+  cmpwi r3, 0;
+  bne lbl_801688a8;
+lbl_80168898:
+  mr r3, r28;
+  bl OSRestoreInterrupts;
+  li r29, 0;
+  b lbl_801688f4;
+lbl_801688a8:
+  mulli r3, r29, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 2;
+  stw r0, 0x6800(r3);
+  stw r27, 8(r31);
+  lis r3, 0x10;
+  slwi r0, r29, 2;
+  subf r0, r29, r0;
+  srw r3, r3, r0;
+  bl __OSUnmaskInterrupts;
+  lwz r0, 0xc(r31);
+  ori r0, r0, 8;
+  stw r0, 0xc(r31);
+  mr r3, r28;
+  bl OSRestoreInterrupts;
+  li r29, 1;
+lbl_801688f4:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  mr r3, r29;
+lbl_80168900:
+  addi r11, r1, 0x30;
+  bl _restgpr_27;
+  lwz r0, 0x34(r1);
+  mtlr r0;
+  addi r1, r1, 0x30;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIDetach
+// PAL: 0x80168918..0x801689d0
+MARK_BINARY_BLOB(EXIDetach, 0x80168918, 0x801689d0);
+asm UNKNOWN_FUNCTION(EXIDetach) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  mr r29, r3;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r31, r3, r0;
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  bne lbl_80168964;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+  b lbl_801689b4;
+lbl_80168964:
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80168988;
+  lwz r0, 0x18(r31);
+  cmpwi r0, 0;
+  bne lbl_80168988;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_801689b4;
+lbl_80168988:
+  lwz r0, 0xc(r31);
+  rlwinm r0, r0, 0, 0x1d, 0x1b;
+  stw r0, 0xc(r31);
+  lis r3, 0x50;
+  slwi r0, r29, 2;
+  subf r0, r29, r0;
+  srw r3, r3, r0;
+  bl __OSMaskInterrupts;
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+lbl_801689b4:
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXISelect
+// PAL: 0x801689d0..0x80168b00
+MARK_BINARY_BLOB(EXISelect, 0x801689d0, 0x80168b00);
+asm UNKNOWN_FUNCTION(EXISelect) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  addi r11, r1, 0x20;
+  bl _savegpr_27;
+  mr r27, r3;
+  mr r28, r4;
+  mr r29, r5;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r31, r3, r0;
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1d, 0x1d;
+  bne lbl_80168a58;
+  cmpwi r27, 2;
+  beq lbl_80168a68;
+  cmpwi r28, 0;
+  bne lbl_80168a40;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  bne lbl_80168a40;
+  mr r3, r27;
+  bl __EXIProbe;
+  cmpwi r3, 0;
+  beq lbl_80168a58;
+lbl_80168a40:
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80168a58;
+  lwz r0, 0x18(r31);
+  cmplw r0, r28;
+  beq lbl_80168a68;
+lbl_80168a58:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80168ae8;
+lbl_80168a68:
+  lwz r0, 0xc(r31);
+  ori r0, r0, 4;
+  stw r0, 0xc(r31);
+  mulli r3, r27, 0x14;
+  lis r0, 0xcd00;
+  add r4, r0, r3;
+  lwz r3, 0x6800(r4);
+  andi. r3, r3, 0x405;
+  slwi r0, r29, 4;
+  or r3, r3, r0;
+  li r0, 1;
+  slw r0, r0, r28;
+  slwi r0, r0, 7;
+  or r3, r3, r0;
+  stw r3, 0x6800(r4);
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  beq lbl_80168adc;
+  cmpwi r27, 1;
+  beq lbl_80168ad4;
+  bge lbl_80168adc;
+  cmpwi r27, 0;
+  bge lbl_80168ac8;
+  b lbl_80168adc;
+lbl_80168ac8:
+  lis r3, 0x10;
+  bl __OSMaskInterrupts;
+  b lbl_80168adc;
+lbl_80168ad4:
+  lis r3, 2;
+  bl __OSMaskInterrupts;
+lbl_80168adc:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+lbl_80168ae8:
+  addi r11, r1, 0x20;
+  bl _restgpr_27;
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIDeselect
+// PAL: 0x80168b00..0x80168c00
+MARK_BINARY_BLOB(EXIDeselect, 0x80168b00, 0x80168c00);
+asm UNKNOWN_FUNCTION(EXIDeselect) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  stw r28, 0x10(r1);
+  mr r28, r3;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r31, r3, r0;
+  bl OSDisableInterrupts;
+  mr r29, r3;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1d, 0x1d;
+  bne lbl_80168b50;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80168be0;
+lbl_80168b50:
+  lwz r0, 0xc(r31);
+  rlwinm r0, r0, 0, 0x1e, 0x1c;
+  stw r0, 0xc(r31);
+  mulli r3, r28, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r30, 0x6800(r3);
+  andi. r0, r30, 0x405;
+  stw r0, 0x6800(r3);
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  beq lbl_80168bac;
+  cmpwi r28, 1;
+  beq lbl_80168ba4;
+  bge lbl_80168bac;
+  cmpwi r28, 0;
+  bge lbl_80168b98;
+  b lbl_80168bac;
+lbl_80168b98:
+  lis r3, 0x10;
+  bl __OSUnmaskInterrupts;
+  b lbl_80168bac;
+lbl_80168ba4:
+  lis r3, 2;
+  bl __OSUnmaskInterrupts;
+lbl_80168bac:
+  mr r3, r29;
+  bl OSRestoreInterrupts;
+  cmpwi r28, 2;
+  beq lbl_80168bdc;
+  rlwinm. r0, r30, 0, 0x18, 0x18;
+  beq lbl_80168bdc;
+  mr r3, r28;
+  bl __EXIProbe;
+  neg r0, r3;
+  or r0, r0, r3;
+  srwi r3, r0, 0x1f;
+  b lbl_80168be0;
+lbl_80168bdc:
+  li r3, 1;
+lbl_80168be0:
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r28, 0x10(r1);
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIIntrruptHandler
+// PAL: 0x80168c00..0x80168cb8
+MARK_BINARY_BLOB(EXIIntrruptHandler, 0x80168c00, 0x80168cb8);
+asm UNKNOWN_FUNCTION(EXIIntrruptHandler) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x2e0(r1);
+  mflr r0;
+  stw r0, 0x2e4(r1);
+  stw r31, 0x2dc(r1);
+  stw r30, 0x2d8(r1);
+  stw r29, 0x2d4(r1);
+  mr r29, r4;
+  addi r0, r3, -9;
+  lis r3, 0x5555;
+  addi r3, r3, 0x5556;
+  mulhw r3, r3, r0;
+  srwi r0, r3, 0x1f;
+  add r31, r3, r0;
+  mulli r3, r31, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 2;
+  stw r0, 0x6800(r3);
+  slwi r0, r31, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  lwzx r30, r3, r0;
+  cmpwi r30, 0;
+  beq lbl_80168c9c;
+  addi r3, r1, 8;
+  bl OSClearContext;
+  addi r3, r1, 8;
+  bl OSSetCurrentContext;
+  mr r3, r31;
+  mr r4, r29;
+  mr r12, r30;
+  mtctr r12;
+  bctrl;
+  addi r3, r1, 8;
+  bl OSClearContext;
+  mr r3, r29;
+  bl OSSetCurrentContext;
+lbl_80168c9c:
+  lwz r31, 0x2dc(r1);
+  lwz r30, 0x2d8(r1);
+  lwz r29, 0x2d4(r1);
+  lwz r0, 0x2e4(r1);
+  mtlr r0;
+  addi r1, r1, 0x2e0;
+  blr;
+  // clang-format on
+}
+
+// Symbol: TCIntrruptHandler
+// PAL: 0x80168cb8..0x80168ed0
+MARK_BINARY_BLOB(TCIntrruptHandler, 0x80168cb8, 0x80168ed0);
+asm UNKNOWN_FUNCTION(TCIntrruptHandler) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x2f0(r1);
+  mflr r0;
+  stw r0, 0x2f4(r1);
+  addi r11, r1, 0x2f0;
+  bl _savegpr_27;
+  mr r27, r4;
+  addi r0, r3, -10;
+  lis r4, 0x5555;
+  addi r4, r4, 0x5556;
+  mulhw r4, r4, r0;
+  srwi r0, r4, 0x1f;
+  add r29, r4, r0;
+  slwi r0, r29, 6;
+  lis r4, 0x8034;
+  addi r4, r4, 0x3680;
+  add r30, r4, r0;
+  lis r31, 0x8000;
+  srw r3, r31, r3;
+  bl __OSMaskInterrupts;
+  mulli r3, r29, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 8;
+  stw r0, 0x6800(r3);
+  lwz r28, 4(r30);
+  cmpwi r28, 0;
+  beq lbl_80168eb8;
+  li r0, 0;
+  stw r0, 4(r30);
+  lwz r0, 0xc(r30);
+  clrlwi. r0, r0, 0x1e;
+  beq lbl_80168e84;
+  lwz r0, 0xc(r30);
+  rlwinm. r0, r0, 0, 0x1e, 0x1e;
+  beq lbl_80168e78;
+  lwz r5, 0x10(r30);
+  cmpwi cr1, r5, 0;
+  beq cr1, lbl_80168e78;
+  lwz r4, 0x14(r30);
+  lwz r0, 0x6810(r3);
+  li r3, 0;
+  ble cr1, lbl_80168e78;
+  addi r7, r5, -8;
+  cmpwi r5, 8;
+  ble lbl_80168e4c;
+  li r8, 0;
+  blt cr1, lbl_80168d8c;
+  addi r6, r31, -2;
+  cmpw r5, r6;
+  bgt lbl_80168d8c;
+  li r8, 1;
+lbl_80168d8c:
+  cmpwi r8, 0;
+  beq lbl_80168e4c;
+  addi r6, r7, 7;
+  srwi r6, r6, 3;
+  mtctr r6;
+  cmpwi r7, 0;
+  ble lbl_80168e4c;
+lbl_80168da8:
+  subfic r6, r3, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 0(r4);
+  addi r6, r3, 1;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 1(r4);
+  addi r6, r3, 2;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 2(r4);
+  neg r6, r3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 3(r4);
+  addi r6, r3, 4;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 4(r4);
+  addi r6, r3, 5;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 5(r4);
+  addi r6, r3, 6;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 6(r4);
+  addi r6, r3, 7;
+  subfic r6, r6, 3;
+  slwi r6, r6, 3;
+  srw r6, r0, r6;
+  stb r6, 7(r4);
+  addi r4, r4, 8;
+  addi r3, r3, 8;
+  bdnz lbl_80168da8;
+lbl_80168e4c:
+  subf r6, r3, r5;
+  mtctr r6;
+  cmpw r3, r5;
+  bge lbl_80168e78;
+lbl_80168e5c:
+  subfic r5, r3, 3;
+  slwi r5, r5, 3;
+  srw r5, r0, r5;
+  stb r5, 0(r4);
+  addi r4, r4, 1;
+  addi r3, r3, 1;
+  bdnz lbl_80168e5c;
+lbl_80168e78:
+  lwz r0, 0xc(r30);
+  rlwinm r0, r0, 0, 0, 0x1d;
+  stw r0, 0xc(r30);
+lbl_80168e84:
+  addi r3, r1, 8;
+  bl OSClearContext;
+  addi r3, r1, 8;
+  bl OSSetCurrentContext;
+  mr r3, r29;
+  mr r4, r27;
+  mr r12, r28;
+  mtctr r12;
+  bctrl;
+  addi r3, r1, 8;
+  bl OSClearContext;
+  mr r3, r27;
+  bl OSSetCurrentContext;
+lbl_80168eb8:
+  addi r11, r1, 0x2f0;
+  bl _restgpr_27;
+  lwz r0, 0x2f4(r1);
+  mtlr r0;
+  addi r1, r1, 0x2f0;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXTIntrruptHandler
+// PAL: 0x80168ed0..0x80168fa0
+MARK_BINARY_BLOB(EXTIntrruptHandler, 0x80168ed0, 0x80168fa0);
+asm UNKNOWN_FUNCTION(EXTIntrruptHandler) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x2e0(r1);
+  mflr r0;
+  stw r0, 0x2e4(r1);
+  stw r31, 0x2dc(r1);
+  stw r30, 0x2d8(r1);
+  stw r29, 0x2d4(r1);
+  stw r28, 0x2d0(r1);
+  mr r28, r4;
+  addi r0, r3, -11;
+  lis r3, 0x5555;
+  addi r3, r3, 0x5556;
+  mulhw r3, r3, r0;
+  srwi r0, r3, 0x1f;
+  add r31, r3, r0;
+  lis r3, 0x50;
+  slwi r0, r31, 2;
+  subf r0, r31, r0;
+  srw r3, r3, r0;
+  bl __OSMaskInterrupts;
+  slwi r0, r31, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r30, r3, r0;
+  lwz r29, 8(r30);
+  lwz r0, 0xc(r30);
+  rlwinm r0, r0, 0, 0x1d, 0x1b;
+  stw r0, 0xc(r30);
+  cmpwi r29, 0;
+  beq lbl_80168f80;
+  addi r3, r1, 8;
+  bl OSClearContext;
+  addi r3, r1, 8;
+  bl OSSetCurrentContext;
+  li r0, 0;
+  stw r0, 8(r30);
+  mr r3, r31;
+  mr r4, r28;
+  mr r12, r29;
+  mtctr r12;
+  bctrl;
+  addi r3, r1, 8;
+  bl OSClearContext;
+  mr r3, r28;
+  bl OSSetCurrentContext;
+lbl_80168f80:
+  lwz r31, 0x2dc(r1);
+  lwz r30, 0x2d8(r1);
+  lwz r29, 0x2d4(r1);
+  lwz r28, 0x2d0(r1);
+  lwz r0, 0x2e4(r1);
+  mtlr r0;
+  addi r1, r1, 0x2e0;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIInit
+// PAL: 0x80168fa0..0x80169164
+MARK_BINARY_BLOB(EXIInit, 0x80168fa0, 0x80169164);
+asm UNKNOWN_FUNCTION(EXIInit) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  stw r28, 0x10(r1);
+  lis r3, 0xcd00;
+lbl_80168fc0:
+  lwz r0, 0x680c(r3);
+  clrlwi r0, r0, 0x1f;
+  cmplwi r0, 1;
+  beq lbl_80168fc0;
+  lwz r0, 0x6820(r3);
+  clrlwi r0, r0, 0x1f;
+  cmplwi r0, 1;
+  beq lbl_80168fc0;
+  lwz r0, 0x6834(r3);
+  clrlwi r0, r0, 0x1f;
+  cmplwi r0, 1;
+  beq lbl_80168fc0;
+  lis r3, 0x80;
+  addi r3, r3, -32768;
+  bl __OSMaskInterrupts;
+  li r28, 0;
+  lis r3, 0xcd00;
+  stw r28, 0x6800(r3);
+  stw r28, 0x6814(r3);
+  stw r28, 0x6828(r3);
+  li r0, 0x2000;
+  stw r0, 0x6800(r3);
+  li r3, 9;
+  lis r29, 0x8017;
+  addi r4, r29, -29696;
+  bl __OSSetInterruptHandler;
+  li r3, 0xa;
+  lis r30, 0x8017;
+  addi r4, r30, -29512;
+  bl __OSSetInterruptHandler;
+  li r3, 0xb;
+  lis r31, 0x8017;
+  addi r4, r31, -28976;
+  bl __OSSetInterruptHandler;
+  li r3, 0xc;
+  addi r4, r29, -29696;
+  bl __OSSetInterruptHandler;
+  li r3, 0xd;
+  addi r4, r30, -29512;
+  bl __OSSetInterruptHandler;
+  li r3, 0xe;
+  addi r4, r31, -28976;
+  bl __OSSetInterruptHandler;
+  li r3, 0xf;
+  addi r4, r29, -29696;
+  bl __OSSetInterruptHandler;
+  li r3, 0x10;
+  addi r4, r30, -29512;
+  bl __OSSetInterruptHandler;
+  li r3, 0;
+  li r4, 2;
+  addi r5, r13, -25768;
+  bl EXIGetID;
+  lwz r0, -0x63a8(r13);
+  cmpwi r0, 0;
+  beq lbl_801690d0;
+  lis r3, 0x8000;
+  stw r28, 0x30c4(r3);
+  stw r28, 0x30c0(r3);
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  stw r28, 0x60(r3);
+  stw r28, 0x20(r3);
+  li r3, 0;
+  bl __EXIProbe;
+  li r3, 1;
+  bl __EXIProbe;
+  b lbl_8016913c;
+lbl_801690d0:
+  li r3, 0;
+  li r4, 0;
+  addi r5, r1, 8;
+  bl EXIGetID;
+  cmpwi r3, 0;
+  beq lbl_80169108;
+  lwz r3, 8(r1);
+  addis r0, r3, 0xf8ff;
+  cmplwi r0, 0;
+  bne lbl_80169108;
+  li r3, 1;
+  li r4, 0;
+  bl __OSEnableBarnacle;
+  b lbl_8016913c;
+lbl_80169108:
+  li r3, 1;
+  li r4, 0;
+  addi r5, r1, 8;
+  bl EXIGetID;
+  cmpwi r3, 0;
+  beq lbl_8016913c;
+  lwz r3, 8(r1);
+  addis r0, r3, 0xf8ff;
+  cmplwi r0, 0;
+  bne lbl_8016913c;
+  li r3, 0;
+  li r4, 2;
+  bl __OSEnableBarnacle;
+lbl_8016913c:
+  lwz r3, -0x72e8(r13);
+  bl OSRegisterVersion;
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r28, 0x10(r1);
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXILock
+// PAL: 0x80169164..0x80169260
+MARK_BINARY_BLOB(EXILock, 0x80169164, 0x80169260);
+asm UNKNOWN_FUNCTION(EXILock) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  addi r11, r1, 0x20;
+  bl _savegpr_27;
+  mr r27, r3;
+  mr r31, r4;
+  mr r28, r5;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r30, r3, r0;
+  bl OSDisableInterrupts;
+  mr r29, r3;
+  lwz r0, 0xc(r30);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80169220;
+  cmpwi r28, 0;
+  beq lbl_80169210;
+  mr r3, r30;
+  lwz r4, 0x24(r30);
+  mtctr r4;
+  cmpwi r4, 0;
+  ble lbl_801691e8;
+lbl_801691c4:
+  lwz r0, 0x28(r3);
+  cmplw r31, r0;
+  bne lbl_801691e0;
+  mr r3, r29;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80169248;
+lbl_801691e0:
+  addi r3, r3, 8;
+  bdnz lbl_801691c4;
+lbl_801691e8:
+  slwi r0, r4, 3;
+  add r3, r30, r0;
+  stw r28, 0x2c(r3);
+  lwz r0, 0x24(r30);
+  slwi r0, r0, 3;
+  add r3, r30, r0;
+  stw r31, 0x28(r3);
+  lwz r3, 0x24(r30);
+  addi r0, r3, 1;
+  stw r0, 0x24(r30);
+lbl_80169210:
+  mr r3, r29;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80169248;
+lbl_80169220:
+  lwz r0, 0xc(r30);
+  ori r0, r0, 0x10;
+  stw r0, 0xc(r30);
+  stw r31, 0x18(r30);
+  mr r3, r27;
+  mr r4, r30;
+  bl SetExiInterruptMask;
+  mr r3, r29;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+lbl_80169248:
+  addi r11, r1, 0x20;
+  bl _restgpr_27;
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIUnlock
+// PAL: 0x80169260..0x80169338
+MARK_BINARY_BLOB(EXIUnlock, 0x80169260, 0x80169338);
+asm UNKNOWN_FUNCTION(EXIUnlock) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  stw r28, 0x10(r1);
+  mr r28, r3;
+  slwi r0, r3, 6;
+  lis r3, 0x8034;
+  addi r3, r3, 0x3680;
+  add r31, r3, r0;
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0xc(r31);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  bne lbl_801692b0;
+  bl OSRestoreInterrupts;
+  li r3, 0;
+  b lbl_80169318;
+lbl_801692b0:
+  lwz r0, 0xc(r31);
+  rlwinm r0, r0, 0, 0x1c, 0x1a;
+  stw r0, 0xc(r31);
+  mr r3, r28;
+  mr r4, r31;
+  bl SetExiInterruptMask;
+  lwz r3, 0x24(r31);
+  cmpwi r3, 0;
+  ble lbl_8016930c;
+  lwz r29, 0x2c(r31);
+  addic. r0, r3, -1;
+  stw r0, 0x24(r31);
+  ble lbl_801692f8;
+  addi r3, r31, 0x28;
+  addi r4, r31, 0x30;
+  lwz r0, 0x24(r31);
+  slwi r5, r0, 3;
+  bl memmove;
+lbl_801692f8:
+  mr r3, r28;
+  li r4, 0;
+  mr r12, r29;
+  mtctr r12;
+  bctrl;
+lbl_8016930c:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r3, 1;
+lbl_80169318:
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r28, 0x10(r1);
+  lwz r0, 0x24(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: UnlockedHandler
+// PAL: 0x80169338..0x80169360
+MARK_BINARY_BLOB(UnlockedHandler, 0x80169338, 0x80169360);
+asm UNKNOWN_FUNCTION(UnlockedHandler) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x10(r1);
+  mflr r0;
+  stw r0, 0x14(r1);
+  li r4, 0;
+  addi r5, r1, 8;
+  bl EXIGetID;
+  lwz r0, 0x14(r1);
+  mtlr r0;
+  addi r1, r1, 0x10;
+  blr;
+  // clang-format on
+}
+
+// Symbol: EXIGetID
+// PAL: 0x80169360..0x8016970c
+MARK_BINARY_BLOB(EXIGetID, 0x80169360, 0x8016970c);
+asm UNKNOWN_FUNCTION(EXIGetID) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x40(r1);
+  mflr r0;
+  stw r0, 0x44(r1);
+  addi r11, r1, 0x40;
+  bl _savegpr_23;
+  mr r25, r3;
+  mr r26, r4;
+  mr r27, r5;
+  slwi r0, r3, 6;
+  lis r6, 0x8034;
+  addi r6, r6, 0x3680;
+  add r29, r6, r0;
+  cmpwi r3, 0;
+  bne lbl_801693b8;
+  cmplwi r4, 2;
+  bne lbl_801693b8;
+  lwz r0, -0x64a8(r13);
+  cmpwi r0, 0;
+  beq lbl_801693b8;
+  stw r0, 0(r5);
+  li r3, 1;
+  b lbl_801696f4;
+lbl_801693b8:
+  cmpwi r3, 2;
+  bge lbl_801694a4;
+  cmpwi r4, 0;
+  bne lbl_801694a4;
+  mr r3, r25;
+  bl __EXIProbe;
+  cmpwi r3, 0;
+  bne lbl_801693e0;
+  li r3, 0;
+  b lbl_801696f4;
+lbl_801693e0:
+  slwi r3, r25, 2;
+  lis r0, 0x8000;
+  add r31, r0, r3;
+  lwz r3, 0x20(r29);
+  lwz r0, 0x30c0(r31);
+  cmpw r3, r0;
+  bne lbl_8016940c;
+  lwz r0, 0x1c(r29);
+  stw r0, 0(r27);
+  lwz r3, 0x20(r29);
+  b lbl_801696f4;
+lbl_8016940c:
+  bl OSDisableInterrupts;
+  mr r30, r3;
+  lwz r0, 0xc(r29);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  bne lbl_80169430;
+  mr r3, r25;
+  bl __EXIProbe;
+  cmpwi r3, 0;
+  bne lbl_80169440;
+lbl_80169430:
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r0, 0;
+  b lbl_80169490;
+lbl_80169440:
+  mulli r3, r25, 0x14;
+  lis r0, 0xcd00;
+  add r3, r0, r3;
+  lwz r0, 0x6800(r3);
+  andi. r0, r0, 0x7f5;
+  ori r0, r0, 2;
+  stw r0, 0x6800(r3);
+  li r0, 0;
+  stw r0, 8(r29);
+  lis r3, 0x10;
+  slwi r0, r25, 2;
+  subf r0, r25, r0;
+  srw r3, r3, r0;
+  bl __OSUnmaskInterrupts;
+  lwz r0, 0xc(r29);
+  ori r0, r0, 8;
+  stw r0, 0xc(r29);
+  mr r3, r30;
+  bl OSRestoreInterrupts;
+  li r0, 1;
+lbl_80169490:
+  cmpwi r0, 0;
+  bne lbl_801694a0;
+  li r3, 0;
+  b lbl_801696f4;
+lbl_801694a0:
+  lwz r31, 0x30c0(r31);
+lbl_801694a4:
+  bl OSDisableInterrupts;
+  mr r28, r3;
+  mr r3, r25;
+  mr r4, r26;
+  li r5, 0;
+  cmpwi r25, 2;
+  bge lbl_801694cc;
+  cmpwi r26, 0;
+  bne lbl_801694cc;
+  li r5, 1;
+lbl_801694cc:
+  neg r0, r5;
+  or r0, r0, r5;
+  srawi r0, r0, 0x1f;
+  lis r5, 0x8017;
+  addi r5, r5, -27848;
+  and r5, r5, r0;
+  bl EXILock;
+  cntlzw r0, r3;
+  rlwinm. r30, r0, 0x1b, 5, 0x1f;
+  bne lbl_8016961c;
+  mr r3, r25;
+  mr r4, r26;
+  li r5, 0;
+  bl EXISelect;
+  cntlzw r0, r3;
+  rlwinm. r30, r0, 0x1b, 5, 0x1f;
+  bne lbl_8016959c;
+  li r0, 0;
+  stw r0, 8(r1);
+  mr r3, r25;
+  addi r4, r1, 8;
+  li r5, 2;
+  li r6, 1;
+  li r7, 0;
+  bl EXIImm;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  mr r3, r25;
+  bl EXISync;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  mr r3, r25;
+  mr r4, r27;
+  li r5, 4;
+  li r6, 0;
+  li r7, 0;
+  bl EXIImm;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  mr r3, r25;
+  bl EXISync;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  mr r3, r25;
+  bl EXIDeselect;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+lbl_8016959c:
+  bl OSDisableInterrupts;
+  mr r23, r3;
+  lwz r0, 0xc(r29);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  bne lbl_801695b8;
+  bl OSRestoreInterrupts;
+  b lbl_8016961c;
+lbl_801695b8:
+  lwz r0, 0xc(r29);
+  rlwinm r0, r0, 0, 0x1c, 0x1a;
+  stw r0, 0xc(r29);
+  mr r3, r25;
+  mr r4, r29;
+  bl SetExiInterruptMask;
+  lwz r3, 0x24(r29);
+  cmpwi r3, 0;
+  ble lbl_80169614;
+  lwz r24, 0x2c(r29);
+  addic. r0, r3, -1;
+  stw r0, 0x24(r29);
+  ble lbl_80169600;
+  addi r3, r29, 0x28;
+  addi r4, r29, 0x30;
+  lwz r0, 0x24(r29);
+  slwi r5, r0, 3;
+  bl memmove;
+lbl_80169600:
+  mr r3, r25;
+  li r4, 0;
+  mr r12, r24;
+  mtctr r12;
+  bctrl;
+lbl_80169614:
+  mr r3, r23;
+  bl OSRestoreInterrupts;
+lbl_8016961c:
+  mr r3, r28;
+  bl OSRestoreInterrupts;
+  cmpwi r25, 2;
+  bge lbl_801696ec;
+  cmpwi r26, 0;
+  bne lbl_801696ec;
+  bl OSDisableInterrupts;
+  mr r23, r3;
+  lwz r0, 0xc(r29);
+  rlwinm. r0, r0, 0, 0x1c, 0x1c;
+  bne lbl_80169650;
+  bl OSRestoreInterrupts;
+  b lbl_80169698;
+lbl_80169650:
+  lwz r0, 0xc(r29);
+  rlwinm. r0, r0, 0, 0x1b, 0x1b;
+  beq lbl_80169670;
+  lwz r0, 0x18(r29);
+  cmpwi r0, 0;
+  bne lbl_80169670;
+  bl OSRestoreInterrupts;
+  b lbl_80169698;
+lbl_80169670:
+  lwz r0, 0xc(r29);
+  rlwinm r0, r0, 0, 0x1d, 0x1b;
+  stw r0, 0xc(r29);
+  lis r3, 0x50;
+  slwi r0, r25, 2;
+  subf r0, r25, r0;
+  srw r3, r3, r0;
+  bl __OSMaskInterrupts;
+  mr r3, r23;
+  bl OSRestoreInterrupts;
+lbl_80169698:
+  bl OSDisableInterrupts;
+  slwi r4, r25, 2;
+  lis r0, 0x8000;
+  add r4, r0, r4;
+  lwz r0, 0x30c0(r4);
+  subf r4, r31, r0;
+  subf r0, r0, r31;
+  or r0, r4, r0;
+  srwi r0, r0, 0x1f;
+  or. r30, r30, r0;
+  bne lbl_801696d0;
+  lwz r0, 0(r27);
+  stw r0, 0x1c(r29);
+  stw r31, 0x20(r29);
+lbl_801696d0:
+  bl OSRestoreInterrupts;
+  cmpwi r30, 0;
+  beq lbl_801696e4;
+  li r3, 0;
+  b lbl_801696f4;
+lbl_801696e4:
+  lwz r3, 0x20(r29);
+  b lbl_801696f4;
+lbl_801696ec:
+  cntlzw r0, r30;
+  srwi r3, r0, 5;
+lbl_801696f4:
+  addi r11, r1, 0x40;
+  bl _restgpr_23;
+  lwz r0, 0x44(r1);
+  mtlr r0;
+  addi r1, r1, 0x40;
+  blr;
+  // clang-format on
+}
diff --git a/source/rvl/exi/exiBios.h b/source/rvl/exi/exiBios.h
new file mode 100644
index 000000000..c1dc1c0b0
--- /dev/null
+++ b/source/rvl/exi/exiBios.h
@@ -0,0 +1,52 @@
+#pragma once
+
+#include <rk_types.h>
+
+#include <decomp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// PAL: 0x80167e78..0x80167f68
+UNKNOWN_FUNCTION(SetExiInterruptMask);
+// PAL: 0x80167f68..0x801681e4
+UNKNOWN_FUNCTION(EXIImm);
+// PAL: 0x801681e4..0x80168288
+UNKNOWN_FUNCTION(EXIImmEx);
+// PAL: 0x80168288..0x80168380
+UNKNOWN_FUNCTION(EXIDma);
+// PAL: 0x80168380..0x801685fc
+UNKNOWN_FUNCTION(EXISync);
+// PAL: 0x801685fc..0x80168680
+UNKNOWN_FUNCTION(EXISetExiCallback);
+// PAL: 0x80168680..0x80168800
+UNKNOWN_FUNCTION(__EXIProbe);
+// PAL: 0x80168800..0x80168918
+UNKNOWN_FUNCTION(EXIAttach);
+// PAL: 0x80168918..0x801689d0
+UNKNOWN_FUNCTION(EXIDetach);
+// PAL: 0x801689d0..0x80168b00
+UNKNOWN_FUNCTION(EXISelect);
+// PAL: 0x80168b00..0x80168c00
+UNKNOWN_FUNCTION(EXIDeselect);
+// PAL: 0x80168c00..0x80168cb8
+UNKNOWN_FUNCTION(EXIIntrruptHandler);
+// PAL: 0x80168cb8..0x80168ed0
+UNKNOWN_FUNCTION(TCIntrruptHandler);
+// PAL: 0x80168ed0..0x80168fa0
+UNKNOWN_FUNCTION(EXTIntrruptHandler);
+// PAL: 0x80168fa0..0x80169164
+UNKNOWN_FUNCTION(EXIInit);
+// PAL: 0x80169164..0x80169260
+UNKNOWN_FUNCTION(EXILock);
+// PAL: 0x80169260..0x80169338
+UNKNOWN_FUNCTION(EXIUnlock);
+// PAL: 0x80169338..0x80169360
+UNKNOWN_FUNCTION(UnlockedHandler);
+// PAL: 0x80169360..0x8016970c
+UNKNOWN_FUNCTION(EXIGetID);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/source/rvl/exi/exiCommon.c b/source/rvl/exi/exiCommon.c
new file mode 100644
index 000000000..45e803a1d
--- /dev/null
+++ b/source/rvl/exi/exiCommon.c
@@ -0,0 +1,120 @@
+#include "exiCommon.h"
+
+#include "exiBios.h"
+
+const u32 unk_803886c0 = 4;
+
+// Symbol: EXIWriteReg
+// PAL: 0x80169a40..0x80169bcc
+MARK_BINARY_BLOB(EXIWriteReg, 0x80169a40, 0x80169bcc);
+asm UNKNOWN_FUNCTION(EXIWriteReg) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  cmpwi r7, 2;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  mr r31, r3;
+  stw r30, 0x18(r1);
+  stw r29, 0x14(r1);
+  mr r29, r4;
+  stw r5, 8(r1);
+  beq lbl_80169a8c;
+  bge lbl_80169aa0;
+  cmpwi r7, 1;
+  bge lbl_80169a7c;
+  b lbl_80169aa0;
+lbl_80169a7c:
+  lbz r0, 0(r6);
+  slwi r0, r0, 0x18;
+  stw r0, 0xc(r1);
+  b lbl_80169abc;
+lbl_80169a8c:
+  lhz r3, 0(r6);
+  rlwinm r0, r3, 8, 8, 0xf;
+  rlwimi r0, r3, 0x18, 0, 7;
+  stw r0, 0xc(r1);
+  b lbl_80169abc;
+lbl_80169aa0:
+  lwz r4, 0(r6);
+  rlwinm r3, r4, 8, 8, 0xf;
+  rlwinm r0, r4, 0x18, 0x10, 0x17;
+  rlwimi r3, r4, 0x18, 0, 7;
+  rlwimi r0, r4, 8, 0x18, 0x1f;
+  or r0, r3, r0;
+  stw r0, 0xc(r1);
+lbl_80169abc:
+  mr r3, r31;
+  mr r4, r29;
+  li r5, 0;
+  bl EXILock;
+  cntlzw r0, r3;
+  rlwinm. r30, r0, 0x1b, 5, 0x1f;
+  beq lbl_80169ae0;
+  li r3, 0;
+  b lbl_80169bb0;
+lbl_80169ae0:
+  mr r3, r31;
+  mr r4, r29;
+  li r5, 4;
+  bl EXISelect;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or. r30, r30, r0;
+  beq lbl_80169b10;
+  mr r3, r31;
+  bl EXIUnlock;
+  li r3, 0;
+  b lbl_80169bb0;
+lbl_80169b10:
+  mr r3, r31;
+  addi r4, r1, 8;
+  li r5, 4;
+  li r6, 1;
+  li r7, 0;
+  bl EXIImm;
+  cntlzw r0, r3;
+  mr r3, r31;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  bl EXISync;
+  cntlzw r0, r3;
+  mr r3, r31;
+  srwi r0, r0, 5;
+  addi r4, r1, 0xc;
+  or r30, r30, r0;
+  li r5, 4;
+  li r6, 1;
+  li r7, 0;
+  bl EXIImm;
+  cntlzw r0, r3;
+  mr r3, r31;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  bl EXISync;
+  cntlzw r0, r3;
+  mr r3, r31;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  bl EXIDeselect;
+  cntlzw r0, r3;
+  mr r3, r31;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  bl EXIUnlock;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r30, r30, r0;
+  cntlzw r0, r30;
+  srwi r3, r0, 5;
+lbl_80169bb0:
+  lwz r0, 0x24(r1);
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
diff --git a/source/rvl/exi/exiCommon.h b/source/rvl/exi/exiCommon.h
new file mode 100644
index 000000000..b76a83167
--- /dev/null
+++ b/source/rvl/exi/exiCommon.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <rk_types.h>
+
+#include <decomp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern const u32 unk_803886c0;
+
+// PAL: 0x80169a40..0x80169bcc
+UNKNOWN_FUNCTION(EXIWriteReg);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/source/rvl/exi/exiUart.c b/source/rvl/exi/exiUart.c
new file mode 100644
index 000000000..10aa83050
--- /dev/null
+++ b/source/rvl/exi/exiUart.c
@@ -0,0 +1,241 @@
+#include "exiUart.h"
+
+#include "exiBios.h"
+
+// Symbol: ProbeBarnacle
+// PAL: 0x8016970c..0x80169884
+MARK_BINARY_BLOB(ProbeBarnacle, 0x8016970c, 0x80169884);
+asm UNKNOWN_FUNCTION(ProbeBarnacle) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  cmpwi r3, 2;
+  stw r0, 0x24(r1);
+  stw r31, 0x1c(r1);
+  mr r31, r5;
+  stw r30, 0x18(r1);
+  mr r30, r4;
+  stw r29, 0x14(r1);
+  mr r29, r3;
+  stw r28, 0x10(r1);
+  beq lbl_8016975c;
+  cmpwi r4, 0;
+  bne lbl_8016975c;
+  li r4, 0;
+  bl EXIAttach;
+  cmpwi r3, 0;
+  bne lbl_8016975c;
+  li r3, 0;
+  b lbl_80169864;
+lbl_8016975c:
+  mr r3, r29;
+  mr r4, r30;
+  li r5, 0;
+  bl EXILock;
+  cntlzw r0, r3;
+  rlwinm. r28, r0, 0x1b, 5, 0x1f;
+  bne lbl_80169828;
+  mr r3, r29;
+  mr r4, r30;
+  li r5, 0;
+  bl EXISelect;
+  cntlzw r0, r3;
+  rlwinm. r28, r0, 0x1b, 5, 0x1f;
+  bne lbl_80169820;
+  lis r4, 0x2001;
+  mr r3, r29;
+  addi r0, r4, 0x1300;
+  li r5, 4;
+  stw r0, 8(r1);
+  addi r4, r1, 8;
+  li r6, 1;
+  li r7, 0;
+  bl EXIImm;
+  cntlzw r0, r3;
+  mr r3, r29;
+  srwi r28, r0, 5;
+  bl EXISync;
+  cntlzw r0, r3;
+  mr r3, r29;
+  srwi r0, r0, 5;
+  mr r4, r31;
+  or r28, r28, r0;
+  li r5, 4;
+  li r6, 0;
+  li r7, 0;
+  bl EXIImm;
+  cntlzw r0, r3;
+  mr r3, r29;
+  srwi r0, r0, 5;
+  or r28, r28, r0;
+  bl EXISync;
+  cntlzw r0, r3;
+  mr r3, r29;
+  srwi r0, r0, 5;
+  or r28, r28, r0;
+  bl EXIDeselect;
+  cntlzw r0, r3;
+  srwi r0, r0, 5;
+  or r28, r28, r0;
+lbl_80169820:
+  mr r3, r29;
+  bl EXIUnlock;
+lbl_80169828:
+  cmpwi r29, 2;
+  beq lbl_80169840;
+  cmpwi r30, 0;
+  bne lbl_80169840;
+  mr r3, r29;
+  bl EXIDetach;
+lbl_80169840:
+  cmpwi r28, 0;
+  beq lbl_80169850;
+  li r3, 0;
+  b lbl_80169864;
+lbl_80169850:
+  lwz r4, 0(r31);
+  subfic r3, r4, -1;
+  addi r0, r4, 1;
+  or r0, r3, r0;
+  srwi r3, r0, 0x1f;
+lbl_80169864:
+  lwz r0, 0x24(r1);
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  lwz r29, 0x14(r1);
+  lwz r28, 0x10(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
+
+// Symbol: __OSEnableBarnacle
+// PAL: 0x80169884..0x80169a40
+MARK_BINARY_BLOB(__OSEnableBarnacle, 0x80169884, 0x80169a40);
+asm UNKNOWN_FUNCTION(__OSEnableBarnacle) {
+  // clang-format off
+  nofralloc;
+  stwu r1, -0x20(r1);
+  mflr r0;
+  stw r0, 0x24(r1);
+  addi r5, r1, 8;
+  stw r31, 0x1c(r1);
+  mr r31, r4;
+  stw r30, 0x18(r1);
+  mr r30, r3;
+  bl EXIGetID;
+  cmpwi r3, 0;
+  beq lbl_80169a28;
+  lwz r4, 8(r1);
+  lis r0, 0x102;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_80169954;
+  cmpwi r4, 4;
+  beq lbl_80169a28;
+  bge lbl_80169920;
+  lis r3, 0x8000;
+  addi r0, r3, 0x10;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_80169904;
+  addi r0, r3, 8;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_801699f8;
+  addi r0, r3, 4;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_80169904:
+  cmpwi r4, -1;
+  beq lbl_80169a28;
+  bge lbl_801699f8;
+  addi r0, r3, 0x20;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_80169920:
+  cmpwi r4, 0x20;
+  beq lbl_80169a28;
+  bge lbl_80169944;
+  cmpwi r4, 0x10;
+  beq lbl_80169a28;
+  bge lbl_801699f8;
+  cmpwi r4, 8;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_80169944:
+  lis r0, 0x101;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_80169954:
+  lis r3, 0x404;
+  addi r0, r3, 0x404;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_801699bc;
+  lis r3, 0x402;
+  addi r0, r3, 0x100;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_8016999c;
+  lis r0, 0x301;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_801699f8;
+  lis r0, 0x202;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_8016999c:
+  addi r0, r3, 0x300;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_801699f8;
+  addi r0, r3, 0x200;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_801699bc:
+  lis r0, 0x413;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_801699ec;
+  lis r0, 0x412;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  bge lbl_801699f8;
+  lis r0, 0x406;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+  b lbl_801699f8;
+lbl_801699ec:
+  lis r0, 0x422;
+  cmpw r4, r0;
+  beq lbl_80169a28;
+lbl_801699f8:
+  mr r3, r30;
+  mr r4, r31;
+  addi r5, r1, 8;
+  bl ProbeBarnacle;
+  cmpwi r3, 0;
+  beq lbl_80169a28;
+  lis r3, 0xa5ff;
+  stw r30, -0x6494(r13);
+  addi r0, r3, 0x5a;
+  stw r31, -0x6498(r13);
+  stw r0, -0x649c(r13);
+  stw r0, -0x64a0(r13);
+lbl_80169a28:
+  lwz r0, 0x24(r1);
+  lwz r31, 0x1c(r1);
+  lwz r30, 0x18(r1);
+  mtlr r0;
+  addi r1, r1, 0x20;
+  blr;
+  // clang-format on
+}
diff --git a/source/rvl/exi/exiUart.h b/source/rvl/exi/exiUart.h
new file mode 100644
index 000000000..419a07910
--- /dev/null
+++ b/source/rvl/exi/exiUart.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include <rk_types.h>
+
+#include <decomp.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// PAL: 0x8016970c..0x80169884
+UNKNOWN_FUNCTION(ProbeBarnacle);
+// PAL: 0x80169884..0x80169a40
+UNKNOWN_FUNCTION(__OSEnableBarnacle);
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/sources.py b/sources.py
index a016b8a45..1b7cf356f 100644
--- a/sources.py
+++ b/sources.py
@@ -180,6 +180,14 @@ class Source:
 SOURCES_RVL_ESP = [
     Source(src="source/rvl/esp/esp.c", cc='4199_60831', opts=RVL_OPTS),
 ]
+SOURCES_RVL_EUART = [
+    Source(src="source/rvl/euart/euart.c", cc='4199_60831', opts=RVL_OPTS),
+]
+SOURCES_RVL_EXI = [
+    Source(src="source/rvl/exi/exiBios.c", cc='4199_60831', opts=RVL_OPTS),
+    Source(src="source/rvl/exi/exiUart.c", cc='4199_60831', opts=RVL_OPTS),
+    Source(src="source/rvl/exi/exiCommon.c", cc='4199_60831', opts=RVL_OPTS),
+]
 SOURCES_RVL_FS = [
     Source(src="source/rvl/fs/fs.c", cc='4199_60831', opts=RVL_OPTS),
 ]
@@ -396,6 +404,8 @@ class Source:
     SOURCES_RVL_DVD,
     SOURCES_RVL_ENC,
     SOURCES_RVL_ESP,
+    SOURCES_RVL_EUART,
+    SOURCES_RVL_EXI,
     SOURCES_RVL_FS,
     SOURCES_RVL_IPC,
     SOURCES_RVL_KPAD,