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More dvdlow progress

This commit is contained in:
Phillip Stephens 2023-02-05 11:12:16 -08:00
parent 3b95d440e0
commit 0681431efe
4 changed files with 362 additions and 59 deletions
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59
asm/Dolphin/dvd/dvdlow.s
View File

@ -11,10 +11,29 @@ FirstRead:
.section .bss .section .bss
.balign 8 .balign 8
CommandList: .obj CommandList, local
.skip 0x68 .skip 0x3c
lbl_80540AE8: .endobj CommandList
.skip 0x78 .balign 8
.obj AlarmForWA, local
.skip 0x28
.endobj AlarmForWA
.obj AlarmForTimeout, local
.skip 0x28
.endobj AlarmForTimeout
.obj AlarmForBreak, local
.skip 0x28
.endobj AlarmForBreak
.obj Prev, local
.skip 0xc
.endobj Prev
.obj Curr, local
.skip 0xc
.endobj Curr
.section .sbss .section .sbss
.balign 8 .balign 8
@ -670,10 +689,10 @@ DVDLowSeek:
/* 80370D08 0036DC68 3C 00 AB 00 */ lis r0, 0xab00 /* 80370D08 0036DC68 3C 00 AB 00 */ lis r0, 0xab00
/* 80370D0C 0036DC6C 90 04 00 08 */ stw r0, 8(r4) /* 80370D0C 0036DC6C 90 04 00 08 */ stw r0, 8(r4)
/* 80370D10 0036DC70 54 60 F0 BE */ srwi r0, r3, 2 /* 80370D10 0036DC70 54 60 F0 BE */ srwi r0, r3, 2
/* 80370D14 0036DC74 3C 60 80 54 */ lis r3, lbl_80540AE8@ha /* 80370D14 0036DC74 3C 60 80 54 */ lis r3, AlarmForTimeout@ha
/* 80370D18 0036DC78 90 04 00 0C */ stw r0, 0xc(r4) /* 80370D18 0036DC78 90 04 00 0C */ stw r0, 0xc(r4)
/* 80370D1C 0036DC7C 38 00 00 01 */ li r0, 1 /* 80370D1C 0036DC7C 38 00 00 01 */ li r0, 1
/* 80370D20 0036DC80 3B E3 0A E8 */ addi r31, r3, lbl_80540AE8@l /* 80370D20 0036DC80 3B E3 0A E8 */ addi r31, r3, AlarmForTimeout@l
/* 80370D24 0036DC84 90 04 00 1C */ stw r0, 0x1c(r4) /* 80370D24 0036DC84 90 04 00 1C */ stw r0, 0x1c(r4)
/* 80370D28 0036DC88 3C 80 80 00 */ lis r4, 0x800000F8@ha /* 80370D28 0036DC88 3C 80 80 00 */ lis r4, 0x800000F8@ha
/* 80370D2C 0036DC8C 38 7F 00 00 */ addi r3, r31, 0 /* 80370D2C 0036DC8C 38 7F 00 00 */ addi r3, r31, 0
@ -726,10 +745,10 @@ DVDLowReadDiskID:
/* 80370DD0 0036DD30 38 E4 60 00 */ addi r7, r4, 0xCC006000@l /* 80370DD0 0036DD30 38 E4 60 00 */ addi r7, r4, 0xCC006000@l
/* 80370DD4 0036DD34 91 0D AB A8 */ stw r8, StopAtNextInt@sda21(r13) /* 80370DD4 0036DD34 91 0D AB A8 */ stw r8, StopAtNextInt@sda21(r13)
/* 80370DD8 0036DD38 90 04 60 08 */ stw r0, 0x6008(r4) /* 80370DD8 0036DD38 90 04 60 08 */ stw r0, 0x6008(r4)
/* 80370DDC 0036DD3C 3C 80 80 54 */ lis r4, lbl_80540AE8@ha /* 80370DDC 0036DD3C 3C 80 80 54 */ lis r4, AlarmForTimeout@ha
/* 80370DE0 0036DD40 38 00 00 03 */ li r0, 3 /* 80370DE0 0036DD40 38 00 00 03 */ li r0, 3
/* 80370DE4 0036DD44 91 07 00 0C */ stw r8, 0xc(r7) /* 80370DE4 0036DD44 91 07 00 0C */ stw r8, 0xc(r7)
/* 80370DE8 0036DD48 3B E4 0A E8 */ addi r31, r4, lbl_80540AE8@l /* 80370DE8 0036DD48 3B E4 0A E8 */ addi r31, r4, AlarmForTimeout@l
/* 80370DEC 0036DD4C 90 C7 00 10 */ stw r6, 0x10(r7) /* 80370DEC 0036DD4C 90 C7 00 10 */ stw r6, 0x10(r7)
/* 80370DF0 0036DD50 90 67 00 14 */ stw r3, 0x14(r7) /* 80370DF0 0036DD50 90 67 00 14 */ stw r3, 0x14(r7)
/* 80370DF4 0036DD54 7F E3 FB 78 */ mr r3, r31 /* 80370DF4 0036DD54 7F E3 FB 78 */ mr r3, r31
@ -768,10 +787,10 @@ DVDLowStopMotor:
/* 80370E6C 0036DDCC 3C 00 E3 00 */ lis r0, 0xe300 /* 80370E6C 0036DDCC 3C 00 E3 00 */ lis r0, 0xe300
/* 80370E70 0036DDD0 90 03 60 08 */ stw r0, 0x6008(r3) /* 80370E70 0036DDD0 90 03 60 08 */ stw r0, 0x6008(r3)
/* 80370E74 0036DDD4 38 00 00 01 */ li r0, 1 /* 80370E74 0036DDD4 38 00 00 01 */ li r0, 1
/* 80370E78 0036DDD8 3C 60 80 54 */ lis r3, lbl_80540AE8@ha /* 80370E78 0036DDD8 3C 60 80 54 */ lis r3, AlarmForTimeout@ha
/* 80370E7C 0036DDDC 90 04 00 1C */ stw r0, 0x1c(r4) /* 80370E7C 0036DDDC 90 04 00 1C */ stw r0, 0x1c(r4)
/* 80370E80 0036DDE0 3C 80 80 00 */ lis r4, 0x800000F8@ha /* 80370E80 0036DDE0 3C 80 80 00 */ lis r4, 0x800000F8@ha
/* 80370E84 0036DDE4 3B E3 0A E8 */ addi r31, r3, lbl_80540AE8@l /* 80370E84 0036DDE4 3B E3 0A E8 */ addi r31, r3, AlarmForTimeout@l
/* 80370E88 0036DDE8 80 04 00 F8 */ lwz r0, 0x800000F8@l(r4) /* 80370E88 0036DDE8 80 04 00 F8 */ lwz r0, 0x800000F8@l(r4)
/* 80370E8C 0036DDEC 38 7F 00 00 */ addi r3, r31, 0 /* 80370E8C 0036DDEC 38 7F 00 00 */ addi r3, r31, 0
/* 80370E90 0036DDF0 54 00 F0 BE */ srwi r0, r0, 2 /* 80370E90 0036DDF0 54 00 F0 BE */ srwi r0, r0, 2
@ -806,10 +825,10 @@ DVDLowRequestError:
/* 80370EF8 0036DE58 3C 00 E0 00 */ lis r0, 0xe000 /* 80370EF8 0036DE58 3C 00 E0 00 */ lis r0, 0xe000
/* 80370EFC 0036DE5C 90 03 60 08 */ stw r0, 0x6008(r3) /* 80370EFC 0036DE5C 90 03 60 08 */ stw r0, 0x6008(r3)
/* 80370F00 0036DE60 38 00 00 01 */ li r0, 1 /* 80370F00 0036DE60 38 00 00 01 */ li r0, 1
/* 80370F04 0036DE64 3C 60 80 54 */ lis r3, lbl_80540AE8@ha /* 80370F04 0036DE64 3C 60 80 54 */ lis r3, AlarmForTimeout@ha
/* 80370F08 0036DE68 90 04 00 1C */ stw r0, 0x1c(r4) /* 80370F08 0036DE68 90 04 00 1C */ stw r0, 0x1c(r4)
/* 80370F0C 0036DE6C 3C 80 80 00 */ lis r4, 0x800000F8@ha /* 80370F0C 0036DE6C 3C 80 80 00 */ lis r4, 0x800000F8@ha
/* 80370F10 0036DE70 3B E3 0A E8 */ addi r31, r3, lbl_80540AE8@l /* 80370F10 0036DE70 3B E3 0A E8 */ addi r31, r3, AlarmForTimeout@l
/* 80370F14 0036DE74 80 04 00 F8 */ lwz r0, 0x800000F8@l(r4) /* 80370F14 0036DE74 80 04 00 F8 */ lwz r0, 0x800000F8@l(r4)
/* 80370F18 0036DE78 38 7F 00 00 */ addi r3, r31, 0 /* 80370F18 0036DE78 38 7F 00 00 */ addi r3, r31, 0
/* 80370F1C 0036DE7C 54 00 F0 BE */ srwi r0, r0, 2 /* 80370F1C 0036DE7C 54 00 F0 BE */ srwi r0, r0, 2
@ -845,10 +864,10 @@ DVDLowInquiry:
/* 80370F88 0036DEE8 90 0D AB A8 */ stw r0, StopAtNextInt@sda21(r13) /* 80370F88 0036DEE8 90 0D AB A8 */ stw r0, StopAtNextInt@sda21(r13)
/* 80370F8C 0036DEEC 3C 00 12 00 */ lis r0, 0x1200 /* 80370F8C 0036DEEC 3C 00 12 00 */ lis r0, 0x1200
/* 80370F90 0036DEF0 90 04 60 08 */ stw r0, 0x6008(r4) /* 80370F90 0036DEF0 90 04 60 08 */ stw r0, 0x6008(r4)
/* 80370F94 0036DEF4 3C 80 80 54 */ lis r4, lbl_80540AE8@ha /* 80370F94 0036DEF4 3C 80 80 54 */ lis r4, AlarmForTimeout@ha
/* 80370F98 0036DEF8 38 00 00 03 */ li r0, 3 /* 80370F98 0036DEF8 38 00 00 03 */ li r0, 3
/* 80370F9C 0036DEFC 90 C7 00 10 */ stw r6, 0x10(r7) /* 80370F9C 0036DEFC 90 C7 00 10 */ stw r6, 0x10(r7)
/* 80370FA0 0036DF00 3B E4 0A E8 */ addi r31, r4, lbl_80540AE8@l /* 80370FA0 0036DF00 3B E4 0A E8 */ addi r31, r4, AlarmForTimeout@l
/* 80370FA4 0036DF04 90 67 00 14 */ stw r3, 0x14(r7) /* 80370FA4 0036DF04 90 67 00 14 */ stw r3, 0x14(r7)
/* 80370FA8 0036DF08 38 7F 00 00 */ addi r3, r31, 0 /* 80370FA8 0036DF08 38 7F 00 00 */ addi r3, r31, 0
/* 80370FAC 0036DF0C 90 C7 00 18 */ stw r6, 0x18(r7) /* 80370FAC 0036DF0C 90 C7 00 18 */ stw r6, 0x18(r7)
@ -884,10 +903,10 @@ DVDLowAudioStream:
/* 80371018 0036DF78 38 C6 60 00 */ addi r6, r6, 0xCC006000@l /* 80371018 0036DF78 38 C6 60 00 */ addi r6, r6, 0xCC006000@l
/* 8037101C 0036DF7C 90 0D AB A8 */ stw r0, StopAtNextInt@sda21(r13) /* 8037101C 0036DF7C 90 0D AB A8 */ stw r0, StopAtNextInt@sda21(r13)
/* 80371020 0036DF80 64 60 E1 00 */ oris r0, r3, 0xe100 /* 80371020 0036DF80 64 60 E1 00 */ oris r0, r3, 0xe100
/* 80371024 0036DF84 3C 60 80 54 */ lis r3, lbl_80540AE8@ha /* 80371024 0036DF84 3C 60 80 54 */ lis r3, AlarmForTimeout@ha
/* 80371028 0036DF88 90 06 00 08 */ stw r0, 8(r6) /* 80371028 0036DF88 90 06 00 08 */ stw r0, 8(r6)
/* 8037102C 0036DF8C 54 A0 F0 BE */ srwi r0, r5, 2 /* 8037102C 0036DF8C 54 A0 F0 BE */ srwi r0, r5, 2
/* 80371030 0036DF90 3B E3 0A E8 */ addi r31, r3, lbl_80540AE8@l /* 80371030 0036DF90 3B E3 0A E8 */ addi r31, r3, AlarmForTimeout@l
/* 80371034 0036DF94 90 06 00 0C */ stw r0, 0xc(r6) /* 80371034 0036DF94 90 06 00 0C */ stw r0, 0xc(r6)
/* 80371038 0036DF98 38 00 00 01 */ li r0, 1 /* 80371038 0036DF98 38 00 00 01 */ li r0, 1
/* 8037103C 0036DF9C 38 7F 00 00 */ addi r3, r31, 0 /* 8037103C 0036DF9C 38 7F 00 00 */ addi r3, r31, 0
@ -925,10 +944,10 @@ DVDLowRequestAudioStatus:
/* 803710B0 0036E010 38 84 60 00 */ addi r4, r4, 0xCC006000@l /* 803710B0 0036E010 38 84 60 00 */ addi r4, r4, 0xCC006000@l
/* 803710B4 0036E014 90 0D AB A8 */ stw r0, StopAtNextInt@sda21(r13) /* 803710B4 0036E014 90 0D AB A8 */ stw r0, StopAtNextInt@sda21(r13)
/* 803710B8 0036E018 64 60 E2 00 */ oris r0, r3, 0xe200 /* 803710B8 0036E018 64 60 E2 00 */ oris r0, r3, 0xe200
/* 803710BC 0036E01C 3C 60 80 54 */ lis r3, lbl_80540AE8@ha /* 803710BC 0036E01C 3C 60 80 54 */ lis r3, AlarmForTimeout@ha
/* 803710C0 0036E020 90 04 00 08 */ stw r0, 8(r4) /* 803710C0 0036E020 90 04 00 08 */ stw r0, 8(r4)
/* 803710C4 0036E024 38 00 00 01 */ li r0, 1 /* 803710C4 0036E024 38 00 00 01 */ li r0, 1
/* 803710C8 0036E028 3B E3 0A E8 */ addi r31, r3, lbl_80540AE8@l /* 803710C8 0036E028 3B E3 0A E8 */ addi r31, r3, AlarmForTimeout@l
/* 803710CC 0036E02C 90 04 00 1C */ stw r0, 0x1c(r4) /* 803710CC 0036E02C 90 04 00 1C */ stw r0, 0x1c(r4)
/* 803710D0 0036E030 3C 80 80 00 */ lis r4, 0x800000F8@ha /* 803710D0 0036E030 3C 80 80 00 */ lis r4, 0x800000F8@ha
/* 803710D4 0036E034 38 7F 00 00 */ addi r3, r31, 0 /* 803710D4 0036E034 38 7F 00 00 */ addi r3, r31, 0
@ -972,8 +991,8 @@ lbl_80371148:
/* 8037115C 0036E0BC 38 00 00 01 */ li r0, 1 /* 8037115C 0036E0BC 38 00 00 01 */ li r0, 1
/* 80371160 0036E0C0 3C 80 80 00 */ lis r4, 0x800000F8@ha /* 80371160 0036E0C0 3C 80 80 00 */ lis r4, 0x800000F8@ha
/* 80371164 0036E0C4 90 03 00 1C */ stw r0, 0x1c(r3) /* 80371164 0036E0C4 90 03 00 1C */ stw r0, 0x1c(r3)
/* 80371168 0036E0C8 3C 60 80 54 */ lis r3, lbl_80540AE8@ha /* 80371168 0036E0C8 3C 60 80 54 */ lis r3, AlarmForTimeout@ha
/* 8037116C 0036E0CC 3B E3 0A E8 */ addi r31, r3, lbl_80540AE8@l /* 8037116C 0036E0CC 3B E3 0A E8 */ addi r31, r3, AlarmForTimeout@l
/* 80371170 0036E0D0 80 04 00 F8 */ lwz r0, 0x800000F8@l(r4) /* 80371170 0036E0D0 80 04 00 F8 */ lwz r0, 0x800000F8@l(r4)
/* 80371174 0036E0D4 38 7F 00 00 */ addi r3, r31, 0 /* 80371174 0036E0D4 38 7F 00 00 */ addi r3, r31, 0
/* 80371178 0036E0D8 54 00 F0 BE */ srwi r0, r0, 2 /* 80371178 0036E0D8 54 00 F0 BE */ srwi r0, r0, 2

2
include/dolphin/DVDPriv.h
View File

@ -39,7 +39,7 @@ typedef void (*DVDOptionalCommandChecker)(DVDCommandBlock* block, void (*cb)(u32
typedef void (*DVDLowCallback)(u32 intType); typedef void (*DVDLowCallback)(u32 intType);
DVDLowCallback DVDLowClearCallback(); DVDLowCallback DVDLowClearCallback();
void DVDLowSeek(u32 offset, DVDLowCallback callback); BOOL DVDLowSeek(u32 offset, DVDLowCallback callback);
void __DVDLowSetWAType(u32 type, u32 location); void __DVDLowSetWAType(u32 type, u32 location);
DVDCommandBlock* __DVDPopWaitingQueue(); DVDCommandBlock* __DVDPopWaitingQueue();

70
include/dolphin/os.h
View File

@ -8,9 +8,6 @@
extern "C" { extern "C" {
#endif #endif
// TODO OSInerrupt.h
typedef s16 __OSInterrupt;
// Upper words of the masks, since UIMM is only 16 bits // Upper words of the masks, since UIMM is only 16 bits
#define OS_CACHED_REGION_PREFIX 0x8000 #define OS_CACHED_REGION_PREFIX 0x8000
#define OS_UNCACHED_REGION_PREFIX 0xC000 #define OS_UNCACHED_REGION_PREFIX 0xC000
@ -141,6 +138,73 @@ BOOL OSDisableInterrupts(void);
BOOL OSEnableInterrupts(void); BOOL OSEnableInterrupts(void);
BOOL OSRestoreInterrupts(BOOL level); BOOL OSRestoreInterrupts(BOOL level);
#define OSHalt(msg) OSPanic(__FILE__, __LINE__, msg)
#ifdef _DEBUG
#ifndef ASSERT
#define ASSERT(exp) (void)((exp) || (OSPanic(__FILE__, __LINE__, "Failed assertion " #exp), 0))
#endif
#ifndef ASSERTMSG
#if defined(__STDC_VERSION__) && (199901L <= __STDC_VERSION__) || defined(__MWERKS__) || \
defined(__SN__)
#define ASSERTMSG(exp, ...) (void)((exp) || (OSPanic(__FILE__, __LINE__, __VA_ARGS__), 0))
#else
#define ASSERTMSG(exp, msg) (void)((exp) || (OSPanic(__FILE__, __LINE__, (msg)), 0))
#endif
#endif
#ifndef ASSERTMSG1
#define ASSERTMSG1(exp, msg, param1) \
(void)((exp) || (OSPanic(__FILE__, __LINE__, (msg), (param1)), 0))
#endif
#ifndef ASSERTMSG2
#define ASSERTMSG2(exp, msg, param1, param2) \
(void)((exp) || (OSPanic(__FILE__, __LINE__, (msg), (param1), (param2)), 0))
#endif
#ifndef ASSERTMSG3
#define ASSERTMSG3(exp, msg, param1, param2, param3) \
(void)((exp) || (OSPanic(__FILE__, __LINE__, (msg), (param1), (param2), (param3)), 0))
#endif
#ifndef ASSERTMSG4
#define ASSERTMSG4(exp, msg, param1, param2, param3, param4) \
(void)((exp) || (OSPanic(__FILE__, __LINE__, (msg), (param1), (param2), (param3), (param4)), 0))
#endif
#else // _DEBUG
#ifndef ASSERT
#define ASSERT(exp) ((void)0)
#endif
#ifndef ASSERTMSG
#if defined(__STDC_VERSION__) && (199901L <= __STDC_VERSION__) || defined(__MWERKS__) || \
defined(__SN__)
#define ASSERTMSG(exp, ...) ((void)0)
#else
#define ASSERTMSG(exp, msg) ((void)0)
#endif
#endif
#ifndef ASSERTMSG1
#define ASSERTMSG1(exp, msg, param1) ((void)0)
#endif
#ifndef ASSERTMSG2
#define ASSERTMSG2(exp, msg, param1, param2) ((void)0)
#endif
#ifndef ASSERTMSG3
#define ASSERTMSG3(exp, msg, param1, param2, param3) ((void)0)
#endif
#ifndef ASSERTMSG4
#define ASSERTMSG4(exp, msg, param1, param2, param3, param4) ((void)0)
#endif
#endif // _DEBUG
void OSReport(const char* msg, ...); void OSReport(const char* msg, ...);
void OSPanic(const char* file, int line, const char* msg, ...); void OSPanic(const char* file, int line, const char* msg, ...);
void OSFatal(GXColor fg, GXColor bg, const char* msg); void OSFatal(GXColor fg, GXColor bg, const char* msg);

290
src/Dolphin/dvd/dvdlow.c
View File

@ -1,63 +1,122 @@
#include "dolphin/DVDPriv.h" #include "dolphin/DVDPriv.h"
#include "dolphin/os.h" #include "dolphin/os.h"
extern OSTime __OSGetSystemTime();
vu32 __PIRegs[12] : 0xCC003000;
static BOOL FirstRead = TRUE; static BOOL FirstRead = TRUE;
static volatile BOOL StopAtNextInt = FALSE; static volatile BOOL StopAtNextInt = FALSE;
static u32 LastLength = 0; static u32 LastLength = 0;
static DVDLowCallback Callback = NULL; static DVDLowCallback Callback = NULL;
static DVDLowCallback ResetCoverCallback = NULL; static DVDLowCallback ResetCoverCallback = NULL;
static OSTime LastResetEnd = 0; static volatile OSTime LastResetEnd = 0;
static BOOL ResetOccurred = FALSE; static volatile BOOL ResetOccurred = FALSE;
static volatile BOOL WaitingCoverClose = FALSE; static volatile BOOL WaitingCoverClose = FALSE;
static BOOL Breaking = FALSE; static BOOL Breaking = FALSE;
static u32 WorkAroundType = 0; static u32 WorkAroundType = 0;
static u32 WorkAroundSeekLocation = 0; static u32 WorkAroundSeekLocation = 0;
static OSTime LastReadFinished = 0; static OSTime LastReadFinished = 0;
static OSTime LastReadIssued = 0; static OSTime LastReadIssued = 0;
static BOOL LastCommandWasRead = FALSE; static volatile BOOL LastCommandWasRead = FALSE;
static u32 NextCommandNumber = 0; static vu32 NextCommandNumber = 0;
typedef struct DVDUnk { typedef struct DVDBuffer {
u32 _0; void* addr;
u32 _4; u32 length;
u32 _8; u32 offset;
} DVDUnk; } DVDBuffer;
typedef struct DVDCommand { typedef struct DVDCommand {
s32 _0; s32 cmd;
u32 _4; void* addr;
u32 _8; u32 length;
u32 _c; u32 offset;
DVDLowCallback callback; DVDLowCallback callback;
} DVDCommand; } DVDCommand;
static DVDCommand CommandList[4]; static DVDCommand CommandList[3];
static OSAlarm AlarmForWA; static OSAlarm AlarmForWA;
static OSAlarm AlarmForTimeout; static OSAlarm AlarmForTimeout;
static OSAlarm AlarmForBreak; static OSAlarm AlarmForBreak;
static DVDUnk Prev; static DVDBuffer Prev;
static DVDUnk Cur; static DVDBuffer Curr;
void __DVDInitWA() { void __DVDInitWA() {
NextCommandNumber = 0; NextCommandNumber = 0;
CommandList[0]._0 = -1; CommandList[0].cmd = -1;
__DVDLowSetWAType(0, 0); __DVDLowSetWAType(0, 0);
OSInitAlarm(); OSInitAlarm();
} }
static void Read(u32 tmp1, u32 tmp2, u32 tmp3, DVDLowCallback tmp4);
void __DVDInterruptHandler(__OSInterrupt interrupt, OSContext* context) {} static void Read(void* addr, u32 length, u32 offset, DVDLowCallback callback);
static BOOL ProcessNextCommand() {
s32 n = NextCommandNumber;
BOOL ret;
ASSERT(n < 3);
if (CommandList[n].cmd == 1) {
++NextCommandNumber;
Read(CommandList[n].addr, CommandList[n].length, CommandList[n].offset,
CommandList[n].callback);
ret = TRUE;
} else if (CommandList[n].cmd == 2) {
++NextCommandNumber;
DVDLowSeek(CommandList[n].offset, CommandList[n].callback);
ret = TRUE;
} else {
ret = FALSE;
}
return ret;
}
void __DVDInterruptHandler(__OSInterrupt interrupt, OSContext* context) {
u32 reg;
u32 status;
u32 flags = 0;
if (LastCommandWasRead) {
LastReadFinished = __OSGetSystemTime();
FirstRead = FALSE;
Prev.addr = Curr.addr;
Prev.length = Curr.length;
Prev.offset = Curr.offset;
if (StopAtNextInt == TRUE) {
flags |= 8;
}
}
LastCommandWasRead = FALSE;
StopAtNextInt = FALSE;
reg = __DIRegs[0];
status = ((reg & 0x2a) << 1) & (reg & 0x54);
if (status & 0x40) {
flags |= 8;
}
if (status & 0x10) {
flags |= 1;
}
if (status & 4) {
flags |= 2;
}
if (flags) {
ResetOccurred = FALSE;
OSCancelAlarm(&AlarmForWA);
}
__DIRegs[0] = status | (reg & 0x2a);
if (ResetOccurred) {
}
}
static void AlarmHandler(OSAlarm* alarm, OSContext* context) { static void AlarmHandler(OSAlarm* alarm, OSContext* context) {
DVDCommand* cmd; BOOL error = ProcessNextCommand();
cmd = &CommandList[NextCommandNumber]; ASSERTMSG(error != FALSE, "Failed assertion processed");
if (cmd->_0 == 1) {
++NextCommandNumber;
Read(cmd->_4, cmd->_8, cmd->_c, cmd->callback);
} else if (cmd->_0 == 2) {
++NextCommandNumber;
DVDLowSeek(cmd->_c, cmd->callback);
}
} }
static void AlarmHandlerForTimeout(OSAlarm* alarm, OSContext* context) { static void AlarmHandlerForTimeout(OSAlarm* alarm, OSContext* context) {
@ -75,20 +134,79 @@ static void AlarmHandlerForTimeout(OSAlarm* alarm, OSContext* context) {
OSSetCurrentContext(context); OSSetCurrentContext(context);
} }
static void Read(u32 tmp1, u32 tmp2, u32 tmp3, DVDLowCallback tmp4) { static void SetTimeoutAlarm(OSTime timeout) {
OSCreateAlarm(&AlarmForTimeout);
OSSetAlarm(&AlarmForTimeout, timeout, AlarmHandlerForTimeout);
} }
static void SeekTwiceBeforeRead() { static void Read(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
StopAtNextInt = FALSE;
LastCommandWasRead = TRUE;
Callback = callback;
LastReadIssued = __OSGetSystemTime();
__DIRegs[2] = 0xa8000000;
__DIRegs[3] = offset / 4;
__DIRegs[4] = length;
__DIRegs[5] = (u32)addr;
__DIRegs[6] = length;
LastLength = length;
__DIRegs[7] = 3;
if (length > 0xa00000) {
SetTimeoutAlarm(OSSecondsToTicks(20));
} else {
SetTimeoutAlarm(OSSecondsToTicks(10));
}
} }
void DVDLowRead(u32 unk, DVDLowCallback callback) { static void DoJustRead(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
CommandList[0].cmd = -1;
NextCommandNumber = 0;
Read(addr, length, offset, callback);
} }
void DVDLowSeek(u32 offset, DVDLowCallback callback) { #pragma dont_inline on
static void SeekTwiceBeforeRead(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
CommandList[0].offset = !(offset & ~0x7FFF) ? 0 : (offset & ~0x7FFF) + WorkAroundSeekLocation;
CommandList[0].callback = callback;
CommandList[0].cmd = 2;
CommandList[1].cmd = 2;
CommandList[2].cmd = -1;
CommandList[1].addr = addr;
CommandList[1].length = length;
CommandList[1].offset = offset;
CommandList[1].callback = callback;
offset = CommandList[0].offset;
NextCommandNumber = 0;
DVDLowSeek(offset, callback);
}
#pragma dont_inline reset
BOOL DVDLowRead(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
Curr.addr = addr;
Curr.length = length;
Curr.offset = offset;
__DIRegs[6] = length;
if (WorkAroundType == 0) {
DoJustRead(addr, length, offset, callback);
} else {
SeekTwiceBeforeRead(addr, length, offset, callback);
}
return TRUE;
}
BOOL DVDLowSeek(u32 offset, DVDLowCallback callback) {
ASSERTMSG(offset & 3, "DVDLowSeek(): offset must be a multiple of 4.");
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = 0xab000000;
__DIRegs[3] = offset / 4;
__DIRegs[7] = 1;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
} }
BOOL DVDLowWaitCoverClose(DVDLowCallback callback) { BOOL DVDLowWaitCoverClose(DVDLowCallback callback) {
@ -99,6 +217,108 @@ BOOL DVDLowWaitCoverClose(DVDLowCallback callback) {
return TRUE; return TRUE;
} }
BOOL DVDLowReadDiskID(DVDDiskID* diskID, DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = 0xa8000040;
__DIRegs[3] = 0;
__DIRegs[4] = sizeof(DVDDiskID);
__DIRegs[5] = (u32)diskID;
__DIRegs[6] = sizeof(DVDDiskID);
__DIRegs[7] = 3;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
BOOL DVDLowStopMotor(DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = 0xe3000000;
__DIRegs[7] = 1;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
BOOL DVDLowRequestError(DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = 0xe0000000;
__DIRegs[7] = 1;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
BOOL DVDLowInquiry(DVDDriveInfo* info, DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = 0x12000000;
__DIRegs[4] = 32; // sizeof(DVDDriveInfo);
__DIRegs[5] = (u32)info;
__DIRegs[6] = 32; // sizeof(DVDDriveInfo);
__DIRegs[7] = 3;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
BOOL DVDLowAudioStream(u32 subcmd, u32 length, u32 offset, DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = subcmd | 0xe1000000;
__DIRegs[3] = offset >> 2;
__DIRegs[4] = length;
__DIRegs[7] = 1;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
BOOL DVDLowRequestAudioStatus(u32 subcmd, DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = subcmd | 0xe2000000;
__DIRegs[7] = 1;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
BOOL DVDLowAudioBufferConfig(BOOL enable, u32 size, DVDLowCallback callback) {
StopAtNextInt = FALSE;
Callback = callback;
__DIRegs[2] = 0xe4000000 | (enable != 0 ? 0x10000 : 0) | size;
__DIRegs[7] = 1;
SetTimeoutAlarm(OSSecondsToTicks(10));
return TRUE;
}
void DVDLowReset() {
u32 reg;
OSTime resetStart;
__DIRegs[1] = 2;
reg = __PIRegs[9];
__PIRegs[9] = (reg & ~4) | 1;
resetStart = __OSGetSystemTime();
while ((__OSGetSystemTime() - resetStart) < OSMicrosecondsToTicks(12))
;
__PIRegs[9] = reg | 5;
ResetOccurred = TRUE;
LastResetEnd = __OSGetSystemTime();
}
BOOL DVDLowBreak() {
StopAtNextInt = TRUE;
Breaking = TRUE;
return TRUE;
}
DVDLowCallback DVDLowClearCallback() {
DVDLowCallback old;
__DIRegs[1] = 0;
old = Callback;
Callback = NULL;
return old;
}
void __DVDLowSetWAType(u32 type, u32 location) { void __DVDLowSetWAType(u32 type, u32 location) {
BOOL enabled; BOOL enabled;