Decompile osPfsInitPak2
This commit is contained in:
Ryan Dwyer
parent
d82a6ba619
commit
e5b7413a32
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@ -135,9 +135,11 @@ typedef struct {
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#define PFS_WRITE 1
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#define PFS_CREATE 2
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#define PFS_INITIALIZED 0x1
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#define PFS_CORRUPTED 0x2
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#define PFS_MOTOR_INITIALIZED 0x8
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#define PFS_INITIALIZED 0x01
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#define PFS_CORRUPTED 0x02
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#define PFS_ID_BROKEN 0x04
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#define PFS_MOTOR_INITIALIZED 0x08
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#define PFS_GBPAK_INITIALIZED 0x10
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/**************************************************************************
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*
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@ -4,6 +4,6 @@
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#include "data.h"
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#include "types.h"
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u32 func00051778(void);
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s32 func00051778(OSPfs *pfs);
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#endif
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@ -5,151 +5,97 @@
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#include "data.h"
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#include "types.h"
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GLOBAL_ASM(
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glabel func000051570
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/* 51570: 27bdff90 */ addiu $sp,$sp,-112
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/* 51574: afbf001c */ sw $ra,0x1c($sp)
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/* 51578: afb00018 */ sw $s0,0x18($sp)
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/* 5157c: 00a08025 */ or $s0,$a1,$zero
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/* 51580: afa40070 */ sw $a0,0x70($sp)
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/* 51584: 0c012a18 */ jal __osSiGetAccess
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/* 51588: afa60078 */ sw $a2,0x78($sp)
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/* 5158c: 8fa40070 */ lw $a0,0x70($sp)
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/* 51590: 0c012ea4 */ jal __osPfsGetStatus
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/* 51594: 8fa50078 */ lw $a1,0x78($sp)
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/* 51598: 0c012a29 */ jal __osSiRelAccess
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/* 5159c: afa2006c */ sw $v0,0x6c($sp)
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/* 515a0: 8fa3006c */ lw $v1,0x6c($sp)
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/* 515a4: 8fae0070 */ lw $t6,0x70($sp)
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/* 515a8: 02002025 */ or $a0,$s0,$zero
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/* 515ac: 50600004 */ beqzl $v1,.L000515c0
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/* 515b0: ae0e0004 */ sw $t6,0x4($s0)
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/* 515b4: 1000006b */ b .L00051764
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/* 515b8: 00601025 */ or $v0,$v1,$zero
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/* 515bc: ae0e0004 */ sw $t6,0x4($s0)
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.L000515c0:
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/* 515c0: 8faf0078 */ lw $t7,0x78($sp)
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/* 515c4: ae000000 */ sw $zero,0x0($s0)
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/* 515c8: 0c0145de */ jal func00051778
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/* 515cc: ae0f0008 */ sw $t7,0x8($s0)
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/* 515d0: 10400003 */ beqz $v0,.L000515e0
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/* 515d4: 02002025 */ or $a0,$s0,$zero
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/* 515d8: 10000063 */ b .L00051768
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/* 515dc: 8fbf001c */ lw $ra,0x1c($sp)
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.L000515e0:
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/* 515e0: 0c013378 */ jal __osPfsSelectBank
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/* 515e4: 00002825 */ or $a1,$zero,$zero
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/* 515e8: 10400003 */ beqz $v0,.L000515f8
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/* 515ec: 24060001 */ addiu $a2,$zero,0x1
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/* 515f0: 1000005d */ b .L00051768
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/* 515f4: 8fbf001c */ lw $ra,0x1c($sp)
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.L000515f8:
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/* 515f8: 8e040004 */ lw $a0,0x4($s0)
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/* 515fc: 8e050008 */ lw $a1,0x8($s0)
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/* 51600: 0c012e18 */ jal __osContRamRead
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/* 51604: 27a70048 */ addiu $a3,$sp,0x48
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/* 51608: 10400003 */ beqz $v0,.L00051618
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/* 5160c: 27a40048 */ addiu $a0,$sp,0x48
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/* 51610: 10000055 */ b .L00051768
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/* 51614: 8fbf001c */ lw $ra,0x1c($sp)
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.L00051618:
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/* 51618: 27a5006a */ addiu $a1,$sp,0x6a
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/* 5161c: 0c013041 */ jal __osIdCheckSum
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/* 51620: 27a60068 */ addiu $a2,$sp,0x68
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/* 51624: 97b8006a */ lhu $t8,0x6a($sp)
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/* 51628: 97b90064 */ lhu $t9,0x64($sp)
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/* 5162c: 27a50048 */ addiu $a1,$sp,0x48
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/* 51630: afa50044 */ sw $a1,0x44($sp)
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/* 51634: 17190004 */ bne $t8,$t9,.L00051648
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/* 51638: 97a90068 */ lhu $t1,0x68($sp)
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/* 5163c: 97aa0066 */ lhu $t2,0x66($sp)
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/* 51640: 512a000a */ beql $t1,$t2,.L0005166c
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/* 51644: 97ad0060 */ lhu $t5,0x60($sp)
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.L00051648:
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/* 51648: 0c013154 */ jal __osCheckPackId
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/* 5164c: 02002025 */ or $a0,$s0,$zero
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/* 51650: 50400006 */ beqzl $v0,.L0005166c
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/* 51654: 97ad0060 */ lhu $t5,0x60($sp)
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/* 51658: 8e0b0000 */ lw $t3,0x0($s0)
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/* 5165c: 356c0004 */ ori $t4,$t3,0x4
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/* 51660: 10000040 */ b .L00051764
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/* 51664: ae0c0000 */ sw $t4,0x0($s0)
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/* 51668: 97ad0060 */ lhu $t5,0x60($sp)
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.L0005166c:
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/* 5166c: 27a50048 */ addiu $a1,$sp,0x48
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/* 51670: 02002025 */ or $a0,$s0,$zero
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/* 51674: 31ae0001 */ andi $t6,$t5,0x1
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/* 51678: 55c00016 */ bnezl $t6,.L000516d4
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/* 5167c: 8fa40044 */ lw $a0,0x44($sp)
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/* 51680: 0c013080 */ jal __osRepairPackId
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/* 51684: 27a60020 */ addiu $a2,$sp,0x20
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/* 51688: 10400009 */ beqz $v0,.L000516b0
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/* 5168c: 00401825 */ or $v1,$v0,$zero
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/* 51690: 2401000a */ addiu $at,$zero,0xa
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/* 51694: 14410004 */ bne $v0,$at,.L000516a8
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/* 51698: 00000000 */ nop
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/* 5169c: 8e0f0000 */ lw $t7,0x0($s0)
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/* 516a0: 35f80004 */ ori $t8,$t7,0x4
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/* 516a4: ae180000 */ sw $t8,0x0($s0)
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.L000516a8:
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/* 516a8: 1000002e */ b .L00051764
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/* 516ac: 00601025 */ or $v0,$v1,$zero
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.L000516b0:
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/* 516b0: 97a90038 */ lhu $t1,0x38($sp)
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/* 516b4: 27b90020 */ addiu $t9,$sp,0x20
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/* 516b8: afb90044 */ sw $t9,0x44($sp)
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/* 516bc: 312a0001 */ andi $t2,$t1,0x1
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/* 516c0: 55400004 */ bnezl $t2,.L000516d4
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/* 516c4: 8fa40044 */ lw $a0,0x44($sp)
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/* 516c8: 10000026 */ b .L00051764
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/* 516cc: 2402000b */ addiu $v0,$zero,0xb
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/* 516d0: 8fa40044 */ lw $a0,0x44($sp)
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.L000516d4:
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/* 516d4: 2605000c */ addiu $a1,$s0,0xc
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/* 516d8: 0c012c5c */ jal bcopy
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/* 516dc: 24060020 */ addiu $a2,$zero,0x20
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/* 516e0: 8fab0044 */ lw $t3,0x44($sp)
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/* 516e4: 24190010 */ addiu $t9,$zero,0x10
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/* 516e8: 24090008 */ addiu $t1,$zero,0x8
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/* 516ec: 916c001b */ lbu $t4,0x1b($t3)
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/* 516f0: 8e040004 */ lw $a0,0x4($s0)
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/* 516f4: 8e050008 */ lw $a1,0x8($s0)
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/* 516f8: ae0c004c */ sw $t4,0x4c($s0)
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/* 516fc: 8fad0044 */ lw $t5,0x44($sp)
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/* 51700: 24060007 */ addiu $a2,$zero,0x7
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/* 51704: 2607002c */ addiu $a3,$s0,0x2c
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/* 51708: 91ae001a */ lbu $t6,0x1a($t5)
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/* 5170c: ae190050 */ sw $t9,0x50($s0)
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/* 51710: ae090054 */ sw $t1,0x54($s0)
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/* 51714: 31c200ff */ andi $v0,$t6,0xff
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/* 51718: 000218c0 */ sll $v1,$v0,0x3
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/* 5171c: 00027840 */ sll $t7,$v0,0x1
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/* 51720: 24680008 */ addiu $t0,$v1,0x8
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/* 51724: 25f80003 */ addiu $t8,$t7,0x3
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/* 51728: 01035021 */ addu $t2,$t0,$v1
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/* 5172c: ae180060 */ sw $t8,0x60($s0)
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/* 51730: ae080058 */ sw $t0,0x58($s0)
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/* 51734: ae0a005c */ sw $t2,0x5c($s0)
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/* 51738: 0c012e18 */ jal __osContRamRead
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/* 5173c: a20e0064 */ sb $t6,0x64($s0)
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/* 51740: 10400003 */ beqz $v0,.L00051750
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/* 51744: 00000000 */ nop
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/* 51748: 10000007 */ b .L00051768
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/* 5174c: 8fbf001c */ lw $ra,0x1c($sp)
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.L00051750:
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/* 51750: 0c0135bc */ jal osPfsChecker
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/* 51754: 02002025 */ or $a0,$s0,$zero
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/* 51758: 8e0b0000 */ lw $t3,0x0($s0)
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/* 5175c: 356c0001 */ ori $t4,$t3,0x1
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/* 51760: ae0c0000 */ sw $t4,0x0($s0)
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.L00051764:
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/* 51764: 8fbf001c */ lw $ra,0x1c($sp)
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.L00051768:
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/* 51768: 8fb00018 */ lw $s0,0x18($sp)
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/* 5176c: 27bd0070 */ addiu $sp,$sp,0x70
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/* 51770: 03e00008 */ jr $ra
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/* 51774: 00000000 */ nop
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);
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s32 osPfsInitPak2(OSMesgQueue *queue, OSPfs *pfs, s32 channel)
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{
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s32 ret;
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u16 csum;
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u16 icsum;
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__OSPackId oldid;
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__OSPackId *id;
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__OSPackId newid;
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__osSiGetAccess();
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ret = __osPfsGetStatus(queue, channel);
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__osSiRelAccess();
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if (ret != 0) {
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return ret;
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}
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pfs->queue = queue;
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pfs->channel = channel;
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pfs->status = 0;
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ret = func00051778(pfs);
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if (ret != 0) {
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return ret;
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}
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ret = __osPfsSelectBank(pfs, 0);
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if (ret != 0) {
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return ret;
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}
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ret = __osContRamRead(pfs->queue, pfs->channel, 1, (u8 *)&oldid);
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if (ret != 0) {
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return ret;
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}
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__osIdCheckSum((u16 *)&oldid, &csum, &icsum);
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id = &oldid;
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if ((oldid.checksum != csum || oldid.inverted_checksum != icsum)) {
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ret = __osCheckPackId(pfs, &oldid);
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if (ret != 0) {
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pfs->status |= PFS_ID_BROKEN;
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return ret;
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}
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}
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if ((oldid.deviceid & 1) == 0) {
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ret = __osRepairPackId(pfs, &oldid, &newid);
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if (ret != 0) {
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if (ret == PFS_ERR_ID_FATAL) {
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pfs->status |= PFS_ID_BROKEN;
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}
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return ret;
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}
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id = &newid;
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if ((newid.deviceid & 1) == 0) {
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return PFS_ERR_DEVICE;
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}
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}
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bcopy(id, pfs->id, sizeof(*id));
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pfs->version = id->version;
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pfs->banks = id->banks;
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pfs->inode_start_page = pfs->banks * 2 + 3;
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pfs->dir_size = 16;
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pfs->inode_table = 8;
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pfs->minode_table = pfs->banks * PFS_ONE_PAGE + 8;
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pfs->dir_table = pfs->minode_table + pfs->banks * PFS_ONE_PAGE;
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ret = __osContRamRead(pfs->queue, pfs->channel, 7, pfs->label);
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if (ret != 0) {
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return ret;
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}
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ret = osPfsChecker(pfs);
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pfs->status |= PFS_INITIALIZED;
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return ret;
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}
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GLOBAL_ASM(
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glabel func00051778
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