Split RVL/EUART, RVL/EXI (riidefi#223)

AtishaRibeiro · Jul 24, 2022 · 2d7f898 · 2d7f898
1 parent 7a7ffe8
commit 2d7f898
Show file tree

Hide file tree

Showing 11 changed files with 2,650 additions and 2 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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