mirror of
https://github.com/wiiu-env/haxchi.git
synced 2024-11-17 05:39:16 +01:00
123 lines
5.2 KiB
C
123 lines
5.2 KiB
C
#include "types.h"
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#include "utils.h"
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#include "../../payload/arm_user_bin.h"
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static const char repairData_set_fault_behavior[] = {
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0xE1,0x2F,0xFF,0x1E,0xE9,0x2D,0x40,0x30,0xE5,0x93,0x20,0x00,0xE1,0xA0,0x40,0x00,
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0xE5,0x92,0x30,0x54,0xE1,0xA0,0x50,0x01,0xE3,0x53,0x00,0x01,0x0A,0x00,0x00,0x02,
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0xE1,0x53,0x00,0x00,0xE3,0xE0,0x00,0x00,0x18,0xBD,0x80,0x30,0xE3,0x54,0x00,0x0D,
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};
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static const char repairData_set_panic_behavior[] = {
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0x08,0x16,0x6C,0x00,0x00,0x00,0x18,0x0C,0x08,0x14,0x40,0x00,0x00,0x00,0x9D,0x70,
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0x08,0x16,0x84,0x0C,0x00,0x00,0xB4,0x0C,0x00,0x00,0x01,0x01,0x08,0x14,0x40,0x00,
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0x08,0x15,0x00,0x00,0x08,0x17,0x21,0x80,0x08,0x17,0x38,0x00,0x08,0x14,0x30,0xD4,
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0x08,0x14,0x12,0x50,0x08,0x14,0x12,0x94,0xE3,0xA0,0x35,0x36,0xE5,0x93,0x21,0x94,
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0xE3,0xC2,0x2E,0x21,0xE5,0x83,0x21,0x94,0xE5,0x93,0x11,0x94,0xE1,0x2F,0xFF,0x1E,
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0xE5,0x9F,0x30,0x1C,0xE5,0x9F,0xC0,0x1C,0xE5,0x93,0x20,0x00,0xE1,0xA0,0x10,0x00,
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0xE5,0x92,0x30,0x54,0xE5,0x9C,0x00,0x00,
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};
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static const char repairData_usb_root_thread[] = {
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0xE5,0x8D,0xE0,0x04,0xE5,0x8D,0xC0,0x08,0xE5,0x8D,0x40,0x0C,0xE5,0x8D,0x60,0x10,
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0xEB,0x00,0xB2,0xFD,0xEA,0xFF,0xFF,0xC9,0x10,0x14,0x03,0xF8,0x10,0x62,0x4D,0xD3,
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0x10,0x14,0x50,0x00,0x10,0x14,0x50,0x20,0x10,0x14,0x00,0x00,0x10,0x14,0x00,0x90,
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0x10,0x14,0x00,0x70,0x10,0x14,0x00,0x98,0x10,0x14,0x00,0x84,0x10,0x14,0x03,0xE8,
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0x10,0x14,0x00,0x3C,0x00,0x00,0x01,0x73,0x00,0x00,0x01,0x76,0xE9,0x2D,0x4F,0xF0,
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0xE2,0x4D,0xDE,0x17,0xEB,0x00,0xB9,0x92,0xE3,0xA0,0x10,0x00,0xE3,0xA0,0x20,0x03,
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0xE5,0x9F,0x0E,0x68,0xEB,0x00,0xB3,0x20,
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};
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/* from smealum's iosuhax: must be placed at 0x05059938 */
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static const char os_launch_hook[] = {
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0x47, 0x78, 0x00, 0x00, 0xe9, 0x2d, 0x40, 0x0f, 0xe2, 0x4d, 0xd0, 0x08, 0xeb,
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0xff, 0xfd, 0xfd, 0xe3, 0xa0, 0x00, 0x00, 0xeb, 0xff, 0xfe, 0x03, 0xe5, 0x9f,
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0x10, 0x4c, 0xe5, 0x9f, 0x20, 0x4c, 0xe3, 0xa0, 0x30, 0x00, 0xe5, 0x8d, 0x30,
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0x00, 0xe5, 0x8d, 0x30, 0x04, 0xeb, 0xff, 0xfe, 0xf1, 0xe2, 0x8d, 0xd0, 0x08,
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0xe8, 0xbd, 0x80, 0x0f, 0x2f, 0x64, 0x65, 0x76, 0x2f, 0x73, 0x64, 0x63, 0x61,
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0x72, 0x64, 0x30, 0x31, 0x00, 0x2f, 0x76, 0x6f, 0x6c, 0x2f, 0x73, 0x64, 0x63,
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0x61, 0x72, 0x64, 0x00, 0x00, 0x00, 0x2f, 0x76, 0x6f, 0x6c, 0x2f, 0x73, 0x64,
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0x63, 0x61, 0x72, 0x64, 0x00, 0x05, 0x11, 0x60, 0x00, 0x05, 0x0b, 0xe0, 0x00,
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0x05, 0x0b, 0xcf, 0xfc, 0x05, 0x05, 0x99, 0x70, 0x05, 0x05, 0x99, 0x7e,
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};
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static unsigned int __attribute__((noinline)) disable_mmu(void)
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{
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unsigned int control_register = 0;
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asm volatile("MRC p15, 0, %0, c1, c0, 0" : "=r" (control_register));
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asm volatile("MCR p15, 0, %0, c1, c0, 0" : : "r" (control_register & 0xFFFFEFFA));
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return control_register;
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}
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static void __attribute__((noinline)) restore_mmu(unsigned int control_register)
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{
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asm volatile("MCR p15, 0, %0, c1, c0, 0" : : "r" (control_register));
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}
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int _main()
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{
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int(*disable_interrupts)() = (int(*)())0x0812E778;
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int(*enable_interrupts)(int) = (int(*)(int))0x0812E78C;
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void(*invalidate_icache)() = (void(*)())0x0812DCF0;
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void(*invalidate_dcache)(unsigned int, unsigned int) = (void(*)())0x08120164;
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void(*flush_dcache)(unsigned int, unsigned int) = (void(*)())0x08120160;
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char* (*kernel_memcpy)(void*, void*, int) = (char*(*)(void*, void*, int))0x08131D04;
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flush_dcache(0x081200F0, 0x4001); // giving a size >= 0x4000 flushes all cache
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int level = disable_interrupts();
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unsigned int control_register = disable_mmu();
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/* Save the request handle so we can reply later */
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*(volatile u32*)0x01E10000 = *(volatile u32*)0x1016AD18;
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/* Patch kernel_error_handler to BX LR immediately */
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*(int*)0x08129A24 = 0xE12FFF1E;
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void * pset_fault_behavior = (void*)0x081298BC;
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kernel_memcpy(pset_fault_behavior, (void*)repairData_set_fault_behavior, sizeof(repairData_set_fault_behavior));
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void * pset_panic_behavior = (void*)0x081296E4;
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kernel_memcpy(pset_panic_behavior, (void*)repairData_set_panic_behavior, sizeof(repairData_set_panic_behavior));
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void * pusb_root_thread = (void*)0x10100174;
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kernel_memcpy(pusb_root_thread, (void*)repairData_usb_root_thread, sizeof(repairData_usb_root_thread));
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void * pUserBinSource = (void*)0x01E50000;
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void * pUserBinDest = (void*)0x101312D0;
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kernel_memcpy(pUserBinDest, (void*)pUserBinSource, sizeof(arm_user_bin));
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int i;
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for (i = 0; i < 32; i++)
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if (i < 31)
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((char*)(0x050663B4 - 0x05000000 + 0x081C0000))[i] = ((char*)0x01E70000)[i];
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else
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((char*)(0x050663B4 - 0x05000000 + 0x081C0000))[i] = (char)0;
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*(int*)(0x050282AE - 0x05000000 + 0x081C0000) = 0xF031FB43; // bl launch_os_hook
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*(int*)(0x05052C44 - 0x05000000 + 0x081C0000) = 0xE3A00000; // mov r0, #0
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*(int*)(0x05052C48 - 0x05000000 + 0x081C0000) = 0xE12FFF1E; // bx lr
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*(int*)(0x0500A818 - 0x05000000 + 0x081C0000) = 0x20002000; // mov r0, #0; mov r0, #0
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*(int*)(0x040017E0 - 0x04000000 + 0x08280000) = 0xE3A00000;
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*(int*)(0x040019C4 - 0x04000000 + 0x08280000) = 0xE3A00000;
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*(int*)(0x04001BB0 - 0x04000000 + 0x08280000) = 0xE3A00000;
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*(int*)(0x04001D40 - 0x04000000 + 0x08280000) = 0xE3A00000;
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for (i = 0; i < sizeof(os_launch_hook); i++)
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((char*)(0x05059938 - 0x05000000 + 0x081C0000))[i] = os_launch_hook[i];
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*(int*)(0x1555500) = 0;
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/* REENABLE MMU */
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restore_mmu(control_register);
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invalidate_dcache(0x081298BC, 0x4001); // giving a size >= 0x4000 invalidates all cache
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invalidate_icache();
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enable_interrupts(level);
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return 0;
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}
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