mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-17 00:39:17 +01:00
506 lines
9.8 KiB
ArmAsm
506 lines
9.8 KiB
ArmAsm
.text
|
|
.set r0,0; .set sp,1; .set r2,2; .set r3,3; .set r4,4
|
|
.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
|
|
.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
|
|
.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
|
|
.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
|
|
.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
|
|
.set r30,30; .set r31,31
|
|
|
|
|
|
.globl patchhook # r3 address
|
|
patchhook:
|
|
mtctr r4
|
|
lis r6, 0x4E80
|
|
ori r6, r6, 0x0020 # blr
|
|
findblr:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writebranch
|
|
addi r3, r3, 4 # next word
|
|
bdnz findblr # loop length
|
|
b exit # stop unhooked game hanging
|
|
|
|
writebranch:
|
|
lis r4, 0x8000 # 800018A0 hook location (source)
|
|
ori r4, r4, 0x18A8
|
|
subf r4, r3, r4 # subtract r3 from r4 and place in r4
|
|
lis r5, 0x3FF
|
|
ori r5, r5, 0xFFFF # 0x3FFFFFF
|
|
and r4, r4, r5
|
|
lis r5, 0x4800 # 0x48000000
|
|
or r4, r4, r5
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exit:
|
|
blr # return
|
|
|
|
.globl patchhook2 # r3 address
|
|
patchhook2:
|
|
mtctr r4
|
|
lis r6, 0x4E80
|
|
ori r6, r6, 0x0020 # blr
|
|
findblr2:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writebranch2
|
|
addi r3, r3, 4 # next word
|
|
bdnz findblr2 # loop length
|
|
b exit2 # stop unhooked game hanging
|
|
|
|
writebranch2:
|
|
lis r4, 0x8000 # 81700000 our temp patcher
|
|
ori r4, r4, 0x18a8
|
|
subf r4, r3, r4 # subtract r3 from r4 and place in r4
|
|
lis r5, 0x3FF
|
|
ori r5, r5, 0xFFFF # 0x3FFFFFF
|
|
and r4, r4, r5
|
|
lis r5, 0x4800 # 0x48000000
|
|
or r4, r4, r5
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exit2:
|
|
blr # return
|
|
|
|
.globl patchhook3 # r3 address
|
|
patchhook3:
|
|
mtctr r4
|
|
lis r6, 0x4BFF
|
|
ori r6, r6, 0xE955 # blr
|
|
findbne:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writebl
|
|
addi r3, r3, 4 # next word
|
|
bdnz findbne # loop length
|
|
b exit3 # stop unhooked game hanging
|
|
|
|
writebl:
|
|
lis r4, 0x4BFF # 81700000 our temp patcher
|
|
ori r4, r4, 0xEA91
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exit3:
|
|
blr # return
|
|
|
|
.globl multidolpatchone # r3 address
|
|
multidolpatchone:
|
|
mtctr r4
|
|
lis r6, 0x3800
|
|
ori r6, r6, 0x0001 # (li r0,1)
|
|
findmulti:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writemulti
|
|
subi r3, r3, 4 # go back
|
|
bdnz findmulti # loop length
|
|
b exit5 # stop unhooked game hanging
|
|
|
|
writemulti:
|
|
lis r4, 0x8170 # 81700000
|
|
ori r4, r4, 0x0020
|
|
subf r18, r3, r4 # subf r18,(source),(dest)
|
|
lis r6, 0x4800
|
|
ori r6,r6,1
|
|
rlwimi r6,r18,0,6,29
|
|
stw r6,0(r3)
|
|
stw r6,0(r19)
|
|
stw r3,4(r19)
|
|
dcbf r0, r3
|
|
sync
|
|
icbi r0, r3
|
|
isync
|
|
exit5:
|
|
blr # return
|
|
|
|
.globl multidolpatchtwo # r3 address
|
|
multidolpatchtwo:
|
|
mtctr r4
|
|
lis r6, 0x3F60
|
|
ori r6, r6, 0x8000 # (lis r27,-32768)
|
|
findmulti2:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writemulti2
|
|
addi r3, r3, 4 # go forward
|
|
bdnz findmulti2 # loop length
|
|
b exit6 # stop unhooked game hanging
|
|
|
|
writemulti2:
|
|
lis r4, 0x8170 # 81700020
|
|
ori r4, r4, 0x0000
|
|
subf r18, r3, r4 # subf r18,(source),(dest)
|
|
lis r6, 0x4800
|
|
ori r6,r6,1
|
|
rlwimi r6,r18,0,6,29
|
|
stw r6,0(r3)
|
|
stw r6,0(r19)
|
|
stw r3,4(r19)
|
|
dcbf r0, r3
|
|
sync
|
|
icbi r0, r3
|
|
isync
|
|
exit6:
|
|
blr # return
|
|
|
|
.globl multidolhook # r3 address
|
|
multidolhook:
|
|
lis r4, 0x8000 # 80001000 hook location (source)
|
|
ori r4, r4, 0x1000
|
|
subf r4, r3, r4 # subtract r3 from r4 and place in r4
|
|
lis r5, 0x3FF
|
|
ori r5, r5, 0xFFFF # 0x3FFFFFF
|
|
and r4, r4, r5
|
|
lis r5, 0x4800 # 0x48000000
|
|
or r4, r4, r5
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
blr # return
|
|
|
|
|
|
.globl langvipatch # r3 address, r4 len, r5 lang byte
|
|
langvipatch:
|
|
mtctr r4
|
|
lis r6, 0x8861
|
|
ori r6, r6, 0x0008 # lbz r3, 8(sp)
|
|
findlang:
|
|
lwz r7, 0(r3)
|
|
cmpw r6, r7
|
|
beq patchlang
|
|
addi r3, r3, 4 # next word
|
|
bdnz findlang # loop length
|
|
b exitlang # stop unhooked game hanging
|
|
|
|
patchlang:
|
|
|
|
lis r4, 0x3860 # 0x38600001 li %r3, 1 # eng
|
|
add r4, r4, r5
|
|
gofinal:
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitlang:
|
|
blr # return
|
|
|
|
.globl vipatch # r3 address
|
|
vipatch:
|
|
mtctr r4
|
|
lis r6, 0x5400
|
|
ori r6, r6, 0xFFFE
|
|
findvi:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq patchvi
|
|
addi r3, r3, 4 # next word
|
|
bdnz findvi # loop length
|
|
b exitvi # stop unhooked game hanging
|
|
|
|
patchvi:
|
|
lis r4, 0x8000
|
|
ori r4, r4, 0x0003
|
|
lbz r5, 0(r4)
|
|
cmpwi r5, 0x45 # USA
|
|
beq patchusa
|
|
cmpwi r5, 0x4A
|
|
beq patchjap2 # JAP
|
|
b exitvi
|
|
patchjap2:
|
|
lis r4, 0x3800
|
|
ori r4, r4, 0x0001
|
|
b gofinal2
|
|
patchusa:
|
|
lis r4, 0x3800
|
|
ori r4, r4, 0x0000
|
|
gofinal2:
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitvi:
|
|
blr # return
|
|
|
|
.globl regionfreejap # r3 address
|
|
regionfreejap:
|
|
mtctr r4
|
|
lis r6, 0x2C1B
|
|
ori r6, r6, 0x0000 # blr
|
|
findjap:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writenop
|
|
addi r3, r3, 4 # next word
|
|
bdnz findjap # loop length
|
|
b exitjap # stop unhooked game hanging
|
|
|
|
writenop:
|
|
addi r3, r3, 4 # next word
|
|
lis r4, 0x6000 # nop
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitjap:
|
|
blr # return
|
|
|
|
.globl regionfreeusa # r3 address
|
|
regionfreeusa:
|
|
mtctr r4
|
|
lis r6, 0x281B
|
|
ori r6, r6, 0x0001 # blr
|
|
findusa:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writenop1
|
|
addi r3, r3, 4 # next word
|
|
bdnz findusa # loop length
|
|
b exitusa # stop unhooked game hanging
|
|
|
|
writenop1:
|
|
addi r3, r3, 4 # next word
|
|
lis r4, 0x6000 # nop
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitusa:
|
|
blr # return
|
|
|
|
.globl regionfreepal # r3 address
|
|
regionfreepal:
|
|
mtctr r4
|
|
lis r6, 0x281B
|
|
ori r6, r6, 0x0002 # blr
|
|
findpal:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writenop2
|
|
addi r3, r3, 4 # next word
|
|
bdnz findpal # loop length
|
|
b exitpal # stop unhooked game hanging
|
|
|
|
writenop2:
|
|
addi r3, r3, 4 # next word
|
|
lis r4, 0x6000 # nop
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
|
|
lis r6, 0x4082
|
|
ori r6, r6, 0x001C # bne loc_81377A2C
|
|
findextra: #this is just the bne to b patch
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writeb
|
|
addi r3, r3, 4 # next word
|
|
bdnz findextra # loop length
|
|
b exitpal # stop unhooked game hanging
|
|
|
|
writeb:
|
|
addi r3, r3, 4 # next word
|
|
lis r4, 0x4800
|
|
ori r4, r4, 0x001c # b loc_81377A2C
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitpal:
|
|
blr # return
|
|
|
|
.globl removehealthcheck # r3 address
|
|
removehealthcheck:
|
|
mtctr r4
|
|
lis r6, 0x4182
|
|
ori r6, r6, 0x004C # blr
|
|
findhe:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writebhe
|
|
addi r3, r3, 4 # next word
|
|
bdnz findhe # loop length
|
|
b exithe # stop unhooked game hanging
|
|
|
|
writebhe:
|
|
lis r4, 0x6000
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exithe:
|
|
blr # return
|
|
|
|
|
|
|
|
.globl patchupdatecheck # r3 address
|
|
patchupdatecheck:
|
|
mtctr r4
|
|
lis r6, 0x4082
|
|
ori r6, r6, 0x0020 # blr
|
|
finduc:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writenopuc
|
|
addi r3, r3, 4 # next word
|
|
bdnz finduc # loop length
|
|
b exituc # stop unhooked game hanging
|
|
|
|
writenopuc:
|
|
lis r4, 0x6000
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exituc:
|
|
blr # return
|
|
|
|
|
|
|
|
|
|
.globl copyflagcheck1 # r3 address
|
|
copyflagcheck1:
|
|
mtctr r4
|
|
lis r6, 0x5400
|
|
ori r6, r6, 0x07FF
|
|
findncf1:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writencf1
|
|
subi r3, r3, 4 # next word
|
|
bdnz findncf1 # loop length
|
|
b exitncf1 # stop unhooked game hanging
|
|
|
|
writencf1:
|
|
lis r4, 0x7C00
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitncf1:
|
|
blr # return
|
|
|
|
.globl copyflagcheck2 # r3 address
|
|
copyflagcheck2:
|
|
mtctr r4
|
|
lis r6, 0x5400
|
|
ori r6, r6, 0x07FF
|
|
findncf2:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writencf2
|
|
subi r3, r3, 4 # next word
|
|
bdnz findncf2 # loop length
|
|
b exitncf2 # stop unhooked game hanging
|
|
|
|
writencf2:
|
|
lis r4, 0x7C00
|
|
ori r4, r4, 0x0000
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitncf2:
|
|
blr # return
|
|
|
|
|
|
.globl copyflagcheck3 # r3 address
|
|
copyflagcheck3:
|
|
findncf3:
|
|
addi r3, r3, 20 # go back one dword (4 bytes)
|
|
lwz r5, 0(r3)
|
|
writencf3:
|
|
lis r4, 0x3860
|
|
ori r4, r4, 0x0001 # li r3,1
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitncf3:
|
|
blr # return
|
|
|
|
|
|
.globl copyflagcheck4 # r3 address
|
|
copyflagcheck4:
|
|
mtctr r4
|
|
lis r6, 0x3BE0
|
|
ori r6, r6, 0x0001 # li r31,1
|
|
findncf4:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writencf4
|
|
addi r3, r3, 4 # next word
|
|
bdnz findncf4 # loop length
|
|
b exitncf4 # stop unhooked game hanging
|
|
|
|
writencf4:
|
|
lis r4, 0x3BE0
|
|
ori r4, r4, 0x0000 # change this to 3BE00000 (li r31,0)
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitncf4:
|
|
blr # return
|
|
|
|
.globl copyflagcheck5 # r3 address
|
|
copyflagcheck5:
|
|
mtctr r4
|
|
lis r6, 0x4182
|
|
ori r6, r6, 0x0024 # beq loc_8134AA60
|
|
findncf5:
|
|
lwz r5, 0(r3)
|
|
cmpw r6, r5
|
|
beq writencf5
|
|
addi r3, r3, 4 # next word
|
|
bdnz findncf5 # loop length
|
|
b exitncf5 # stop unhooked game hanging
|
|
|
|
writencf5:
|
|
#addi r3, r3, 8 # skip 2
|
|
|
|
lis r4, 0x801D
|
|
ori r4, r4, 0x0024 # change to 801D0024 (lwz r0,36(r29))
|
|
stw r4, 0(r3)
|
|
dcbf r0, r3
|
|
icbi r0, r3
|
|
|
|
addi r3, r3, 4 # next word
|
|
|
|
lis r4, 0x5400
|
|
ori r4, r4, 0x003C # change to 5400003C (rlwinm r0,r0,0,0,30)
|
|
stw r4, 0(r3)
|
|
dcbf r0, r3
|
|
icbi r0, r3
|
|
|
|
addi r3, r3, 4 # next word
|
|
|
|
lis r4, 0x901D
|
|
ori r4, r4, 0x0024 # change to 901D0024 (stw r0,36(r29))
|
|
stw r4, 0(r3)
|
|
dcbf r0, r3
|
|
icbi r0, r3
|
|
|
|
addi r3, r3, 4 # next word
|
|
|
|
lis r4, 0x4800
|
|
ori r4, r4, 0x0018 # change to 48000018 (b 0x8134aa60)
|
|
stw r4, 0(r3)
|
|
dcbf r0, r3
|
|
icbi r0, r3
|
|
exitncf5:
|
|
blr # return
|
|
|
|
.globl movedvdhooks # r3 address
|
|
movedvdhooks:
|
|
lis r6, 0x4182
|
|
ori r6, r6, 0x0120 # beq loc_813A7938
|
|
findmd1:
|
|
addi r3, r3, 4 # next word
|
|
lwz r5, 0(r3)
|
|
writemd1:
|
|
lis r4, 0x6000
|
|
ori r4, r4, 0x0000 # nop
|
|
stw r4, 0(r3) # result in r3
|
|
dcbf r0, r3 # data cache block flush
|
|
icbi r0, r3
|
|
exitmd1:
|
|
blr # return
|