/
payload_dump_elfs.S
279 lines (249 loc) · 5.19 KB
/
payload_dump_elfs.S
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/*
* payload_dump_elfs.S -- PS3 Jailbreak payload
*
* Copyright (C) Youness Alaoui (KaKaRoTo)
* Copyright (C) Aaron Lindsay (Aaron')
* Copyright (C) (subdub)
*
* This software is distributed under the terms of the GNU General Public
* License ("GPL") version 3, as published by the Free Software Foundation.
*
* This payload is a modified version of the original PSJailbreak's payload.
* The people behing PSJailbrak are the original authors and copyright holders
* of the code they wrote.
*/
#include "pl3.h.S"
#include "send_eth.h.S"
#include "pl3_memcpy.h.S"
RESIDENT_AREA_START()
#include "send_eth_res.h.S"
message_buf:
.quad 0
flags:
.long 0
.long 0
memory_patching:
mflr %r0
stdu %r1, -0x1a0(%r1)
std %r27, 0x78(%r1)
std %r28, 0x80(%r1)
std %r29, 0x88(%r1)
std %r30, 0x90(%r1)
std %r31, 0x98(%r1)
std %r0, 0x1b0(%r1)
mr %r29, %r3
mr %r30, %r4
MEM_BASE (%r31)
ld %r28, rtoc_entry_2(%r2)
ld %r28, 0x68(%r28)
ld %r28, 0x18(%r28)
ld %r27, rtoc_entry_1(%r2)
ld %r9, 0x18(%r29)
lwz %r9, 0x30(%r9)
rldicl %r9, %r9, 48, 16
cmpwi %r9, 0x29
bne loc_4d4
ld %r4, 0x10(%r28)
rldicr %r5, %r4, 24, 39
rldicl %r5, %r5, 8, 56
cmpwi %r5, 0xff
beq loc_4a8
ori %r4, %r4, 3
std %r4, 0x10(%r28)
li %r3, 6
stw %r3, 0(%r30)
b loc_4b8
loc_4a8:
ori %r4, %r4, 2
std %r4, 0x10(%r28)
li %r3, 0x2c
stw %r3, 0(%r30)
loc_4b8:
lwz %r5, 4(%r28)
ld %r4, 8(%r28)
ld %r3, 0(%r27)
add %r9, %r3, %r5
std %r9, 0(%r27)
bl ABSOLUTE_MEM2(memcpy)
b loc_594
loc_4d4:
mr %r3, %r29
mr %r4, %r30
bl ABSOLUTE_MEM2(memory_patch_func)
mr %r29, %r31
LOADI_LABEL2(%r29, flags)
lwz %r3, 0(%r29)
lwz %r5, 4(%r28)
add %r3, %r3, %r5
stw %r3, 0(%r29)
ld %r4, 0x10(%r28)
rldicr %r5, %r4, 24, 39
rldicl %r5, %r5, 8, 56
cmpwi %r5, 0xff
bne loc_594
ld %r3, 0(%r27)
li %r4, 0
li %r6, 0
loc_51c:
add %r7, %r3, %r4
lwz %r5, 0(%r7)
xor %r6, %r6, %r5
addi %r4, %r4, 4
cmpldi %r4, 0x400
bne loc_51c
lwz %r3, 0(%r29)
rldicr %r6, %r6, 32, 31
or %r6, %r6, %r3
li %r3, 0
stw %r3, 0(%r29)
LOAD_LABEL2 (%r4, %r31, hash)
std %r6, 0(%r4)
ld %r3, 0(%r28)
std %r3, 8(%r4)
ld %r3, 8(%r27)
ld %r3, 0(%r3)
std %r3, 16(%r4)
mr %r28, %r6
li %r3, 0x7000
bl send_elfs
mr %r6, %r28
mr %r7, %r31
LOADI_LABEL2(%r7, memory_patch_table)
loc_554:
ld %r3, 0(%r7)
cmpldi %r3, 0
beq loc_594
addi %r7, %r7, 0x10
cmpld %r3, %r6
bne loc_554
ld %r5, -8(%r7)
ld %r7, 0(%r27)
loc_574:
lwz %r3, 0(%r5)
cmplwi %r3, 0
beq loc_594
lwz %r4, 4(%r5)
add %r3, %r3, %r7
stw %r4, 0(%r3)
addi %r5, %r5, 8
b loc_574
loc_594:
li %r3, 0
ld %r27, 0x78(%r1)
ld %r28, 0x80(%r1)
ld %r29, 0x88(%r1)
ld %r30, 0x90(%r1)
ld %r31, 0x98(%r1)
ld %r0, 0x1b0(%r1)
addi %r1, %r1, 0x1a0
mtlr %r0
blr
send_elfs:
mflr %r0
stdu %r1, -0xa0(%r1)
std %r28, 0x80(%r1)
std %r29, 0x88(%r1)
std %r0, 0xb0(%r1)
mr %r28, %r3
LOAD_LABEL2 (%r3, %r31, hash)
li %r4, 64
bl send_eth
li %r29, 0
l_loop_copy:
ld %r3, 0(%r27)
add %r3, %r3, %r29
li %r4, 0
li %r6, 0
l_loop_hash:
add %r7, %r3, %r4
lwz %r5, 0(%r7)
or %r6, %r6, %r5
addi %r4, %r4, 4
cmpldi %r4, 0x400
bne l_loop_hash
cmpwi %r6, 0
beq l_hash_0
ld %r3, 0(%r27)
add %r3, %r3, %r29
LOAD_LABEL2 (%r4, %r31, message_buf)
ld %r4, 0(%r4)
stw %r29, 0(%r4)
addi %r4, %r4, 4
li %r5, 1024
l_loop_memcpy:
subi %r5, %r5, 1 // set %r5 to read the previous byte
lbzx %r6, %r3, %r5 // Copy byte content of %r3[%r5] to %r6
stbx %r6, %r4, %r5 // Store byte %r6 to %r4[%r5]
cmpldi %r5, 0 // if %r5 reaches 0, end it
bne l_loop_memcpy
LOAD_LABEL2 (%r3, %r31, message_buf)
ld %r3, 0(%r3)
li %r4, 1028
bl send_eth
addi %r29, %r29, 1024
cmpld %r29, %r28
b l_loop_copy
l_hash_0:
ld %r28, 0x80(%r1)
ld %r29, 0x88(%r1)
ld %r0, 0xb0(%r1)
addi %r1, %r1, 0xa0
mtlr %r0
blr
hash:
.space 64
memory_patch_table:
.quad HASH_TABLE_1
QUAD_MEM2(memory_patch_table_1)
.quad HASH_TABLE_3
QUAD_MEM2(memory_patch_table_3)
.quad HASH_TABLE_2
QUAD_MEM2(memory_patch_table_2)
.quad HASH_TABLE_4
QUAD_MEM2(memory_patch_table_4)
.quad 0x0000000000000000
memory_patch_table_1:
PATCH_INST(elf1_func2 + elf1_func2_offset, li %r3, 130)
PATCH_INST(elf1_func1 + elf1_func1_offset, li %r3, 1)
PATCH_INST(elf1_func1 + elf1_func1_offset + 4, blr)
.long 0
memory_patch_table_2:
PATCH_INST(elf2_func1 + elf2_func1_offset, li %r29, 1)
.long 0
memory_patch_table_3:
PATCH_DATA(elf3_data, 0x5f746f6f)
PATCH_DATA(elf3_data + 4, 0x6c322e78)
PATCH_DATA(elf3_data + 8, 0x6d6c2372)
PATCH_DATA(elf3_data + 12, 0x6f6f7400)
.long 0
memory_patch_table_4:
PATCH_DATA(elf4_data, 0x5f746f6f)
PATCH_DATA(elf4_data + 4, 0x6c322e78)
PATCH_DATA(elf4_data + 8, 0x6d6c2372)
PATCH_DATA(elf4_data + 12, 0x6f6f7400)
.long 0
RESIDENT_AREA_END()
// HACK: the patch_table won't include the bl memory_patching without this
#define __MEMORY_PATCHING_H_S__
#include "patch_table.h.S"
payload_main:
// prolog
mflr %r0
stdu %r1, -0xa0(%r1)
std %r30, 0x90(%r1)
std %r31, 0x98(%r1)
std %r0, 0xb0(%r1)
GET_CURRENT_PAGE(%r3, %r31)
MEM_BASE (%r30) // Load 0x8000000000000000 in %r30
COPY_RESIDENT_AREA(%r30, %r31)
ALLOCATE_BUFFER(%r30, message_buf, 0x404)
LOAD_FUNC_PTR(send_eth)
INIT_SEND_ETH(%r30)
APPLY_PATCHES(%r30, %r31)
// epilog
ld %r30, 0x90(%r1)
ld %r31, 0x98(%r1)
ld %r0, 0xb0(%r1)
addi %r1, %r1, 0xa0
mtlr %r0
blr