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Decompile pakCalculateChecksum

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This commit is contained in:
Ryan Dwyer
2021-09-18 12:56:10 +10:00
parent c61db6f98f
commit 383600ac49
3 changed files with 18 additions and 29 deletions
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src/game/pak/pak.c
+16 -27
View File
@@ -965,7 +965,7 @@ glabel pak0f117520
/* f117668: 24060010 */ addiu $a2,$zero,0x10
/* f11766c: 27a40040 */ addiu $a0,$sp,0x40
/* f117670: 27a50048 */ addiu $a1,$sp,0x48
/* f117674: 0fc462b9 */ jal pak0f118ae4
/* f117674: 0fc462b9 */ jal pakCalculateChecksum
/* f117678: 27a60058 */ addiu $a2,$sp,0x58
/* f11767c: 8fa20064 */ lw $v0,0x64($sp)
/* f117680: 97b90058 */ lhu $t9,0x58($sp)
@@ -1131,7 +1131,7 @@ glabel pak0f117520
/* f1119bc: 24060010 */ addiu $a2,$zero,0x10
/* f1119c0: 27a40040 */ addiu $a0,$sp,0x40
/* f1119c4: 27a50048 */ addiu $a1,$sp,0x48
/* f1119c8: 0fc44b9b */ jal pak0f118ae4
/* f1119c8: 0fc44b9b */ jal pakCalculateChecksum
/* f1119cc: 27a60058 */ addiu $a2,$sp,0x58
/* f1119d0: 8fa20064 */ lw $v0,0x64($sp)
/* f1119d4: 97b90058 */ lhu $t9,0x58($sp)
@@ -1792,7 +1792,7 @@ s32 pakFindFile(OSPfs *pfs, u16 company_code, u32 game_code, char *game_name, ch
a = pak0f11a504(SAVEDEVICE_GAMEPAK, 0, 0, 0, 0, align16(0x10), (u8 *)sp56);
if (pak0f11c39c(a, SAVEDEVICE_GAMEPAK, 1, 0x60f)) {
pak0f118ae4(sp64, sp64 + sizeof(sp64), sp44);
pakCalculateChecksum(sp64, sp64 + sizeof(sp64), sp44);
if (sp56[0] == sp44[0] && sp56[1] == sp44[1]) {
return 0;
@@ -3260,17 +3260,14 @@ const char var7f1ae6ecnb[] = "pakinit";
const char var7f1ae6f4nb[] = "dumpeeprom";
#endif
void pakCalculateChecksum(u8 *start, u8 *end, u16 *checksum)
{
func0f12906c(start, end, checksum);
}
#if VERSION >= VERSION_NTSC_1_0
GLOBAL_ASM(
glabel pak0f118ae4
/* f118ae4: 27bdffe8 */ addiu $sp,$sp,-24
/* f118ae8: afbf0014 */ sw $ra,0x14($sp)
/* f118aec: 0fc4a41b */ jal func0f12906c
/* f118af0: 00000000 */ sll $zero,$zero,0x0
/* f118af4: 8fbf0014 */ lw $ra,0x14($sp)
/* f118af8: 27bd0018 */ addiu $sp,$sp,0x18
/* f118afc: 03e00008 */ jr $ra
/* f118b00: 00000000 */ sll $zero,$zero,0x0
glabel pak0f118b04
/* f118b04: 27bdffe0 */ addiu $sp,$sp,-32
/* f118b08: afbf0014 */ sw $ra,0x14($sp)
/* f118b0c: afa40020 */ sw $a0,0x20($sp)
@@ -3328,15 +3325,7 @@ glabel pak0f118ae4
);
#else
GLOBAL_ASM(
glabel pak0f118ae4
/* f112e6c: 27bdffe8 */ addiu $sp,$sp,-24
/* f112e70: afbf0014 */ sw $ra,0x14($sp)
/* f112e74: 0fc48f2b */ jal func0f12906c
/* f112e78: 00000000 */ sll $zero,$zero,0x0
/* f112e7c: 8fbf0014 */ lw $ra,0x14($sp)
/* f112e80: 27bd0018 */ addiu $sp,$sp,0x18
/* f112e84: 03e00008 */ jr $ra
/* f112e88: 00000000 */ sll $zero,$zero,0x0
glabel pak0f112e8c
/* f112e8c: 27bdffe0 */ addiu $sp,$sp,-32
/* f112e90: afbf0014 */ sw $ra,0x14($sp)
/* f112e94: afa40020 */ sw $a0,0x20($sp)
@@ -3456,7 +3445,7 @@ glabel pak0f118bc8
/* f118cb0: 000d7240 */ sll $t6,$t5,0x9
/* f118cb4: 000e7d42 */ srl $t7,$t6,0x15
/* f118cb8: 27a60024 */ addiu $a2,$sp,0x24
/* f118cbc: 0fc462b9 */ jal pak0f118ae4
/* f118cbc: 0fc462b9 */ jal pakCalculateChecksum
/* f118cc0: 008f2821 */ addu $a1,$a0,$t7
/* f118cc4: 97b80030 */ lhu $t8,0x30($sp)
/* f118cc8: 97b90024 */ lhu $t9,0x24($sp)
@@ -3549,7 +3538,7 @@ glabel pak0f118bc8
/* f113010: 000d7240 */ sll $t6,$t5,0x9
/* f113014: 000e7d42 */ srl $t7,$t6,0x15
/* f113018: 27a60024 */ addiu $a2,$sp,0x24
/* f11301c: 0fc44b9b */ jal pak0f118ae4
/* f11301c: 0fc44b9b */ jal pakCalculateChecksum
/* f113020: 008f2821 */ addu $a1,$a0,$t7
/* f113024: 97b80030 */ lhu $t8,0x30($sp)
/* f113028: 97b90024 */ lhu $t9,0x24($sp)
@@ -10699,7 +10688,7 @@ glabel pak0f11bc54
/* f11befc: 27a620b4 */ addiu $a2,$sp,0x20b4
/* f11bf00: 000c7240 */ sll $t6,$t4,0x9
/* f11bf04: 000e7d42 */ srl $t7,$t6,0x15
/* f11bf08: 0fc462b9 */ jal pak0f118ae4
/* f11bf08: 0fc462b9 */ jal pakCalculateChecksum
/* f11bf0c: 01e72821 */ addu $a1,$t7,$a3
/* f11bf10: 10000003 */ beqz $zero,.L0f11bf20
/* f11bf14: 8fa720cc */ lw $a3,0x20cc($sp)
@@ -10805,7 +10794,7 @@ glabel pak0f11bc54
.L0f11c060:
/* f11c060: 27a410a4 */ addiu $a0,$sp,0x10a4
/* f11c064: 27a510ac */ addiu $a1,$sp,0x10ac
/* f11c068: 0fc462b9 */ jal pak0f118ae4
/* f11c068: 0fc462b9 */ jal pakCalculateChecksum
/* f11c06c: 02403025 */ or $a2,$s2,$zero
/* f11c070: 8fa90098 */ lw $t1,0x98($sp)
/* f11c074: 11200066 */ beqz $t1,.L0f11c210
@@ -11145,7 +11134,7 @@ glabel pak0f11bc54
/* f115e6c: 27a620b4 */ addiu $a2,$sp,0x20b4
/* f115e70: 000c7240 */ sll $t6,$t4,0x9
/* f115e74: 000e7d42 */ srl $t7,$t6,0x15
/* f115e78: 0fc44b9b */ jal pak0f118ae4
/* f115e78: 0fc44b9b */ jal pakCalculateChecksum
/* f115e7c: 01e72821 */ addu $a1,$t7,$a3
/* f115e80: 10000003 */ beqz $zero,.NB0f115e90
/* f115e84: 8fa720cc */ lw $a3,0x20cc($sp)
@@ -11253,7 +11242,7 @@ glabel pak0f11bc54
.NB0f115fd8:
/* f115fd8: 27a410a4 */ addiu $a0,$sp,0x10a4
/* f115fdc: 27a510ac */ addiu $a1,$sp,0x10ac
/* f115fe0: 0fc44b9b */ jal pak0f118ae4
/* f115fe0: 0fc44b9b */ jal pakCalculateChecksum
/* f115fe4: 02403025 */ or $a2,$s2,$zero
/* f115fe8: 8fa90098 */ lw $t1,0x98($sp)
/* f115fec: 11200067 */ beqz $t1,.NB0f11618c
src/include/game/game_128f30.h
+1 -1
View File
@@ -5,7 +5,7 @@
#include "types.h"
u32 func0f128f30(void);
u32 func0f12906c(void);
void func0f12906c(u8 *start, u8 *end, u16 *checksum);
u32 func0f1291b0(void);
u32 func0f1291f8(void);
src/include/game/pak/pak.h
+1 -1
View File
@@ -67,7 +67,7 @@ s32 pak0f118334(s8 device, s32 numpages);
void pak0f1185e0(s8 device, s32 arg1, s32 param_3);
u32 pak0f118674(s8 arg0, u32 arg1, u32 arg2);
void pak0f1189d8(void);
void pak0f118ae4(u8 *arg0, u8 *arg1, u16 *arg2);
void pakCalculateChecksum(u8 *arg0, u8 *arg1, u16 *arg2);
s32 pak0f118bc8(s8 arg0, s32 arg1, void *arg2, s32 arg3);
s32 pak0f118d18(s8 device, u32 arg1, u32 *buffer1024);
s32 pak0f1190bc(s8 device, s32 arg1, s32 *arg2);