Patch /dev/odm IOCTL 0x06 to read the disc key if in_buf[0] > 2

This commit is contained in:
Maschell 2021-02-28 18:10:25 +01:00
parent 46921d3771
commit 76ed489e0c
2 changed files with 10 additions and 0 deletions

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@ -48,6 +48,11 @@ void instant_patches_setup(void) {
// patch FSA raw access
*(volatile u32 *) 0x1070FAE8 = 0x05812070;
*(volatile u32 *) 0x1070FAEC = 0xEAFFFFF9;
// patch /dev/odm IOCTL 0x06 to return the disc key if in_buf[0] > 2.
*(volatile u32 *) 0x10739948 = 0xe3a0b001; // mov r11, 0x01
*(volatile u32 *) 0x1073994C = 0xe3a07020; // mov r7, 0x20
*(volatile u32 *) 0x10739950 = 0xea000013; // b LAB_107399a8
int (*_iosMapSharedUserExecution)(void *descr) = (void *) 0x08124F88;

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@ -107,6 +107,11 @@ void kernel_run_patches(u32 ios_elf_start) {
section_write_word(ios_elf_start, 0x0812A1AC, ARM_BL(0x0812A1AC, crash_handler_data));
section_write_word(ios_elf_start, 0x08129E50, ARM_BL(0x08129E50, crash_handler_undef_instr));
// patch /dev/odm IOCTL 0x06 to return the disc key if in_buf[0] > 2.
section_write_word(ios_elf_start, 0x10739948, 0xe3a0b001);
section_write_word(ios_elf_start, 0x1073994C, 0xe3a07020);
section_write_word(ios_elf_start, 0x10739950, 0xea000013);
section_write_word(ios_elf_start, 0x0812CD2C, ARM_B(0x0812CD2C, kernel_syscall_0x81));
u32 patch_count = (u32) (((u8 *) kernel_patches_table_end) - ((u8 *) kernel_patches_table)) / sizeof(patch_table_t);