mirror of
https://github.com/wiiu-env/haxchi.git
synced 2024-11-17 05:39:16 +01:00
3c6dadb2a6
-added system reload patches to CBHC, thanks to dimok for patch location and elf patcher!
87 lines
3.5 KiB
C
87 lines
3.5 KiB
C
//kernel relaunch hook, thanks to dimok
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#include "types.h"
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#include "utils.h"
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#include "reload.h"
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#include "elf_patcher.h"
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#include "wupserver.h"
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extern char __file_start, __file_end;
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void kernel_launch_ios(u32 launch_address, u32 L, u32 C, u32 H)
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{
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void (*kernel_launch_bootrom)(u32 launch_address, u32 L, u32 C, u32 H) = (void*)0x0812A050;
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if(*(u32*)(launch_address - 0x300 + 0x1AC) == 0x00DFD000)
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{
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int level = disable_interrupts();
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unsigned int control_register = disable_mmu();
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u32 ios_elf_start = launch_address + 0x804 - 0x300;
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// nop out memcmp hash checks
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section_write_word(ios_elf_start, 0x040017E0, 0xE3A00000); // mov r0, #0
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section_write_word(ios_elf_start, 0x040019C4, 0xE3A00000); // mov r0, #0
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section_write_word(ios_elf_start, 0x04001BB0, 0xE3A00000); // mov r0, #0
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section_write_word(ios_elf_start, 0x04001D40, 0xE3A00000); // mov r0, #0
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// patch OS launch sig check
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section_write_word(ios_elf_start, 0x0500A818, 0x20002000); // mov r0, #0; mov r0, #0
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// patch MCP authentication check
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section_write_word(ios_elf_start, 0x05014CAC, 0x20004770); // mov r0, #0; bx lr
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// jump over overwritten MCP debug thread start function
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section_write_word(ios_elf_start, 0x0501FEE0, 0x20002000); //mov r0, #0; mov r0, #0
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// fix 10 minute timeout that crashes MCP after 10 minutes of booting
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section_write_word(ios_elf_start, 0x05022474, 0xFFFFFFFF); // NEW_TIMEOUT
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// replace ioctl 0x62 code with jump to wupserver
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section_write_word(ios_elf_start, 0x05026BA8, 0x47780000); // bx pc
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section_write_word(ios_elf_start, 0x05026BAC, 0xE59F1000); // ldr r1, [pc]
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section_write_word(ios_elf_start, 0x05026BB0, 0xE12FFF11); // bx r1
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section_write_word(ios_elf_start, 0x05026BB4, 0x0510E570); // wupserver code
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// patch cert verification
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section_write_word(ios_elf_start, 0x05052A90, 0xE3A00000); // mov r0, #0
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section_write_word(ios_elf_start, 0x05052A94, 0xE12FFF1E); // bx lr
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// patch IOSC_VerifyPubkeySign to always succeed
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section_write_word(ios_elf_start, 0x05052C44, 0xE3A00000); // mov r0, #0
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section_write_word(ios_elf_start, 0x05052C48, 0xE12FFF1E); // bx lr
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// patch cached cert check
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section_write_word(ios_elf_start, 0x05054D6C, 0xE3A00000); // mov r0, 0
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section_write_word(ios_elf_start, 0x05054D70, 0xE12FFF1E); // bx lr
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// change system.xml to syshax.xml
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section_write_word(ios_elf_start, 0x050600F0, 0x79736861); //ysha
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section_write_word(ios_elf_start, 0x050600F4, 0x782E786D); //x.xm
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section_write_word(ios_elf_start, 0x05060114, 0x79736861); //ysha
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section_write_word(ios_elf_start, 0x05060118, 0x782E786D); //x.xm
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// overwrite mcp_d_r code with wupserver
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section_write_word(ios_elf_start, 0x0510E56C, 0x47700000); //bx lr
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section_write(ios_elf_start, 0x0510E570, get_wupserver_bin(), get_wupserver_bin_len());
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// apply IOS ELF launch hook (thanks dimok!)
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section_write_word(ios_elf_start, 0x0812A120, ARM_BL(0x0812A120, kernel_launch_ios));
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// Put arm_kernel file back where it is now
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section_write(ios_elf_start, (u32)&__file_start, &__file_start, &__file_end - &__file_start);
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// allow any region title launch
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section_write_word(ios_elf_start, 0xE0030498, 0xE3A00000); // mov r0, #0
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// allow custom bootLogoTex and bootMovie.h264
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section_write_word(ios_elf_start, 0xE0030D68, 0xE3A00000); // mov r0, #0
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section_write_word(ios_elf_start, 0xE0030D34, 0xE3A00000); // mov r0, #0
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restore_mmu(control_register);
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enable_interrupts(level);
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}
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kernel_launch_bootrom(launch_address, L, C, H);
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}
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