Fully match dvdlow

Former-commit-id: 8471d1f4ed

src/Dolphin/dvd/dvdlow.c

@@ -217,12 +217,10 @@ static void Read(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
   }
 }
 
-BOOL AudioBufferOn() { return DVDGetCurrentDiskID()->streaming ? TRUE : FALSE; }
-
 BOOL HitCache(DVDBuffer* cur, DVDBuffer* prev) {
   u32 uVar1 = (prev->offset + prev->length - 1) >> 15;
   u32 uVar2 = (cur->offset >> 15);
-  u32 iVar3 = AudioBufferOn() ? 5 : 15;
+  u32 iVar3 = (DVDGetCurrentDiskID()->streaming ? TRUE : FALSE) ? 5 : 15;
 
   if ((uVar2 > uVar1 - 2) || (uVar2 < uVar1 + iVar3 + 3)) {
     return TRUE;
@@ -269,8 +267,7 @@ static void WaitBeforeRead(void* addr, u32 length, u32 offset, DVDLowCallback ca
   OSSetAlarm(&AlarmForWA, timeout, AlarmHandler);
 }
 
-#ifndef NONMATCHING
+
-/* Code is correct, but the stack is the wrong size */
 BOOL DVDLowRead(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
   OSTime diff;
   u32 prev;
@@ -306,197 +303,6 @@ BOOL DVDLowRead(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
   }
   return TRUE;
 }
-#else
-/* clang-format off */
-#pragma push
-#pragma optimization_level 0
-#pragma optimizewithasm off
-asm BOOL DVDLowRead(void* addr, u32 length, u32 offset, DVDLowCallback callback) {
-  nofralloc
-  mflr r0
-  lis r7, 0xCC006000@ha
-  stw r0, 4(r1)
-  stwu r1, -0x40(r1)
-  stmw r22, 0x18(r1)
-  addi r25, r4, 0
-  addi r4, r7, 0xCC006000@l
-  lis r7, CommandList@ha
-  addi r31, r7, CommandList@l
-  addi r24, r3, 0
-  addi r26, r5, 0
-  addi r30, r31, 0xcc
-  mr r27, r6
-  stw r25, 0x18(r4)
-  stw r24, 0xc4(r31)
-  stw r25, 0xc8(r31)
-  stw r26, 0xcc(r31)
-  lwz r0, WorkAroundType
-  cmplwi r0, 0
-  bne lbl_80370AC0
-  li r0, -1
-  stw r0, 0(r31)
-  li r0, 0
-  addi r3, r24, 0
-  stw r0, NextCommandNumber
-  addi r4, r25, 0
-  addi r5, r26, 0
-  addi r6, r27, 0
-  bl Read
-  b lbl_80370CC8
-lbl_80370AC0:
-  lwz r0, WorkAroundType
-  cmplwi r0, 1
-  bne lbl_80370CC8
-  lwz r0, FirstRead
-  cmpwi r0, 0
-  beq lbl_80370AF0
-  addi r3, r24, 0
-  addi r4, r25, 0
-  addi r5, r26, 0
-  addi r6, r27, 0
-  bl SeekTwiceBeforeRead
-  b lbl_80370CC8
-lbl_80370AF0:
-  addi r29, r31, 0xbc
-  lwz r0, 0(r30)
-  addi r28, r31, 0xc0
-  lwz r3, 0xbc(r31)
-  lwz r4, 0xc0(r31)
-  srwi r23, r0, 0xf
-  addi r0, r3, -1
-  add r0, r4, r0
-  srwi r22, r0, 0xf
-  bl DVDGetCurrentDiskID
-  lbz r0, 8(r3)
-  cmplwi r0, 0
-  beq lbl_80370B2C
-  li r0, 1
-  b lbl_80370B30
-lbl_80370B2C:
-  li r0, 0
-lbl_80370B30:
-  cmpwi r0, 0
-  beq lbl_80370B40
-  li r3, 5
-  b lbl_80370B44
-lbl_80370B40:
-  li r3, 0xf
-lbl_80370B44:
-  addi r0, r22, -2
-  cmplw r23, r0
-  bgt lbl_80370B60
-  addi r0, r3, 3
-  add r0, r22, r0
-  cmplw r23, r0
-  bge lbl_80370B68
-lbl_80370B60:
-  li r0, 1
-  b lbl_80370B6C
-lbl_80370B68:
-  li r0, 0
-lbl_80370B6C:
-  cmpwi r0, 0
-  bne lbl_80370B9C
-  li r0, -1
-  stw r0, 0(r31)
-  li r0, 0
-  addi r3, r24, 0
-  stw r0, NextCommandNumber
-  addi r4, r25, 0
-  addi r5, r26, 0
-  addi r6, r27, 0
-  bl Read
-  b lbl_80370CC8
-lbl_80370B9C:
-  lwz r3, 0(r29)
-  lwz r4, 0(r28)
-  addi r3, r3, -1
-  lwz r0, 0(r30)
-  add r3, r4, r3
-  srwi r3, r3, 0xf
-  srwi r4, r0, 0xf
-  cmplw r3, r4
-  beq lbl_80370BCC
-  addi r0, r3, 1
-  cmplw r0, r4
-  bne lbl_80370CB4
-lbl_80370BCC:
-  bl __OSGetSystemTime
-  lis r5, OS_BUS_CLOCK@ha
-  lwz r8, LastReadFinished
-  lwz r0, OS_BUS_CLOCK@l(r5)
-  lis r5, 0x10624DD3@ha
-  lwz r9, LastReadFinished+4
-  li r6, 0
-  srwi r7, r0, 2
-  addi r0, r5, 0x10624DD3@l
-  mulhwu r0, r0, r7
-  srwi r0, r0, 6
-  subfc r9, r9, r4
-  subfe r8, r8, r3
-  mulli r5, r0, 5
-  xoris r4, r6, 0x8000
-  xoris r3, r8, 0x8000
-  subfc r0, r9, r5
-  subfe r3, r3, r4
-  subfe r3, r4, r4
-  neg. r3, r3
-  beq lbl_80370C44
-  li r0, -1
-  stw r0, 0(r31)
-  addi r3, r24, 0
-  addi r4, r25, 0
-  stw r6, NextCommandNumber
-  addi r5, r26, 0
-  addi r6, r27, 0
-  bl Read
-  b lbl_80370CC8
-lbl_80370C44:
-  li r0, 1
-  stw r0, 0(r31)
-  lis r3, 0x431BDE83@ha
-  addi r0, r3, 0x431BDE83@l
-  stw r24, 4(r31)
-  mulhwu r0, r0, r7
-  stw r25, 8(r31)
-  stw r26, 0xc(r31)
-  srwi r0, r0, 0xf
-  mulli r3, r0, 0x1f4
-  stw r27, 0x10(r31)
-  li r0, -1
-  stw r0, 0x14(r31)
-  subfc r5, r9, r5
-  subfe r4, r8, r6
-  srwi r0, r3, 3
-  stw r6, NextCommandNumber
-  addc r23, r5, r0
-  adde r22, r4, r6
-  addi r3, r31, 0x40
-  bl OSCreateAlarm
-  lis r3, AlarmHandler@ha
-  addi r7, r3, AlarmHandler@l
-  addi r6, r23, 0
-  addi r5, r22, 0
-  addi r3, r31, 0x40
-  bl OSSetAlarm
-  b lbl_80370CC8
-lbl_80370CB4:
-  addi r3, r24, 0
-  addi r4, r25, 0
-  addi r5, r26, 0
-  addi r6, r27, 0
-  bl SeekTwiceBeforeRead
-lbl_80370CC8:
-  lmw r22, 0x18(r1)
-  li r3, 1
-  lwz r0, 0x44(r1)
-  addi r1, r1, 0x40
-  mtlr r0
-  blr
-}
-#pragma pop
-/* clang-format on */
-#endif
 
 BOOL DVDLowSeek(u32 offset, DVDLowCallback callback) {
   ASSERTMSG(offset & 3, "DVDLowSeek(): offset must be a multiple of 4.");