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citra/src/core/file_sys/plugin_3gx_bootloader.h
PabloMK7 016ce6c286
Add 3GX plugin loader (#6172) 
* Initial plugin loader support

* More plugin loader progress

* Organize code and more plugin features

* Fix clang-format

* Fix compilation and add android gui

* Fix clang-format

* Fix macos build

* Fix copy-paste bug and clang-format

* More merge fixes

* Make suggestions

* Move global variable to static member

* Fix typo

* Apply suggestions

* Proper initialization order

* Allocate plugin memory from SYSTEM instead of APPLICATION

* Do not mark free pages as RWX

* Fix plugins in old 3DS mode.

* Implement KernelSetState and notif 0x203

* Apply changes

* Remove unused variable

* Fix dynarmic commit

* Sublicense files with MIT License

* Remove non-ascii characters from license
2022-12-11 10:08:58 +02:00

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// Copyright 2022 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
// Copyright 2022 The Pixellizer Group
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
// associated documentation files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#pragma once
// Plugin bootloader payload
// Compiled with https://shell-storm.org/online/Online-Assembler-and-Disassembler/
/*
; Backup registers
stmfd sp!, {r0-r12}
mrs r0, cpsr
stmfd sp!, {r0}
; Check plugin validity and exit if invalid (also set a flag)
adr r0, g_plgstartendptr
ldr r1, [r0, #4]
ldr r0, [r0]
adr r2, g_plgloadexeargs
mov lr, pc
adr pc, g_loadexefunc
adr r1, g_loadexechecksum
ldr r1, [r1]
cmp r0, r1
adr r0, g_plgldrlaunchstatus
ldr r0, [r0]
moveq r1, #1
movne r1, #0
str r1, [r0]
svcne 0x3
; Flash top screen light blue
adr r0, g_plgnoflash
ldrb r0, [r0]
cmp r0, #1
beq skipflash
ldr r4, =0x90202204
ldr r5, =0x01FF9933
mov r6, #64
flashloop:
str r5, [r4]
ldr r0, =0xFF4B40
mov r1, #0
svc 0xA
subs r6, r6, #1
bne flashloop
str r6, [r4]
skipflash:
; Set all memory regions to RWX
ldr r0, =0xFFFF8001
mov r1, #1
svc 0xB3
; Restore instructions at entrypoint
adr r0, g_savedGameInstr
adr r1, g_gameentrypoint
ldr r1, [r1]
ldr r2, [r0]
str r2, [r1]
ldr r2, [r0, #4]
str r2, [r1, #4]
svc 0x94
; Launch the plugin
adr r0, g_savedGameInstr
push {r0}
adr r5, g_plgentrypoint
ldr r5, [r5]
blx r5
add sp, sp, #4
; Restore registers and return to the game
ldmfd sp!, {r0}
msr cpsr, r0
ldmfd sp!, {r0-r12}
adr lr, g_gameentrypoint
ldr pc, [lr]
.pool
g_savedGameInstr:
.word 0xDEAD0000, 0xDEAD0001
g_gameentrypoint:
.word 0xDEAD0002
g_plgloadexeargs:
.word 0xDEAD0003, 0, 0, 0
g_plgstartendptr:
.word 0xDEAD0004, 0xDEAD0005
g_loadexechecksum:
.word 0xDEAD0006
g_plgldrlaunchstatus:
.word 0xDEAD0007
g_plgentrypoint:
.word 0xDEAD0008
g_plgnoflash:
.word 0xDEAD0009
g_loadexefunc:
.word 0xDEAD000A
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
bx lr
*/
#include <array>
#include "common/common_types.h"
constexpr std::array<u8, 412> g_plugin_loader_bootloader = {
0xff, 0x1f, 0x2d, 0xe9, 0x00, 0x00, 0x0f, 0xe1, 0x01, 0x00, 0x2d, 0xe9, 0xf0, 0x00, 0x8f, 0xe2,
0x04, 0x10, 0x90, 0xe5, 0x00, 0x00, 0x90, 0xe5, 0xd4, 0x20, 0x8f, 0xe2, 0x0f, 0xe0, 0xa0, 0xe1,
0xf4, 0xf0, 0x8f, 0xe2, 0xe0, 0x10, 0x8f, 0xe2, 0x00, 0x10, 0x91, 0xe5, 0x01, 0x00, 0x50, 0xe1,
0xd8, 0x00, 0x8f, 0xe2, 0x00, 0x00, 0x90, 0xe5, 0x01, 0x10, 0xa0, 0x03, 0x00, 0x10, 0xa0, 0x13,
0x00, 0x10, 0x80, 0xe5, 0x03, 0x00, 0x00, 0x1f, 0xc8, 0x00, 0x8f, 0xe2, 0x00, 0x00, 0xd0, 0xe5,
0x01, 0x00, 0x50, 0xe3, 0x09, 0x00, 0x00, 0x0a, 0x78, 0x40, 0x9f, 0xe5, 0x78, 0x50, 0x9f, 0xe5,
0x40, 0x60, 0xa0, 0xe3, 0x00, 0x50, 0x84, 0xe5, 0x70, 0x00, 0x9f, 0xe5, 0x00, 0x10, 0xa0, 0xe3,
0x0a, 0x00, 0x00, 0xef, 0x01, 0x60, 0x56, 0xe2, 0xf9, 0xff, 0xff, 0x1a, 0x00, 0x60, 0x84, 0xe5,
0x5c, 0x00, 0x9f, 0xe5, 0x01, 0x10, 0xa0, 0xe3, 0xb3, 0x00, 0x00, 0xef, 0x54, 0x00, 0x8f, 0xe2,
0x58, 0x10, 0x8f, 0xe2, 0x00, 0x10, 0x91, 0xe5, 0x00, 0x20, 0x90, 0xe5, 0x00, 0x20, 0x81, 0xe5,
0x04, 0x20, 0x90, 0xe5, 0x04, 0x20, 0x81, 0xe5, 0x94, 0x00, 0x00, 0xef, 0x34, 0x00, 0x8f, 0xe2,
0x04, 0x00, 0x2d, 0xe5, 0x58, 0x50, 0x8f, 0xe2, 0x00, 0x50, 0x95, 0xe5, 0x35, 0xff, 0x2f, 0xe1,
0x04, 0xd0, 0x8d, 0xe2, 0x01, 0x00, 0xbd, 0xe8, 0x00, 0xf0, 0x29, 0xe1, 0xff, 0x1f, 0xbd, 0xe8,
0x18, 0xe0, 0x8f, 0xe2, 0x00, 0xf0, 0x9e, 0xe5, 0x04, 0x22, 0x20, 0x90, 0x33, 0x99, 0xff, 0x01,
0x40, 0x4b, 0xff, 0x00, 0x01, 0x80, 0xff, 0xff, 0x00, 0x00, 0xad, 0xde, 0x01, 0x00, 0xad, 0xde,
0x02, 0x00, 0xad, 0xde, 0x03, 0x00, 0xad, 0xde, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0xad, 0xde, 0x05, 0x00, 0xad, 0xde, 0x06, 0x00, 0xad, 0xde,
0x07, 0x00, 0xad, 0xde, 0x08, 0x00, 0xad, 0xde, 0x09, 0x00, 0xad, 0xde, 0x0a, 0x00, 0xad, 0xde,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3,
0x00, 0xf0, 0x20, 0xe3, 0x00, 0xf0, 0x20, 0xe3, 0x1e, 0xff, 0x2f, 0xe1};
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