mirror of
https://github.com/wiiu-env/HBLInstallerWrapper.git
synced 2024-11-16 19:49:14 +01:00
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
#include "setup_syscalls.h"
|
|
|
|
extern "C" void SCKernelCopyData(unsigned int addr, unsigned int src, unsigned int len);
|
|
|
|
void SetupSyscall(){
|
|
|
|
kern_write((void *) (KERN_SYSCALL_TBL_1 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
|
|
kern_write((void *) (KERN_SYSCALL_TBL_2 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
|
|
kern_write((void *) (KERN_SYSCALL_TBL_3 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
|
|
kern_write((void *) (KERN_SYSCALL_TBL_4 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
|
|
kern_write((void *) (KERN_SYSCALL_TBL_5 + (0x25 * 4)), (unsigned int) SCKernelCopyData);
|
|
|
|
}
|
|
|
|
|
|
/* Write a 32-bit word with kernel permissions */
|
|
void __attribute__ ((noinline)) kern_write(void *addr, uint32_t value) {
|
|
asm volatile (
|
|
"li 3,1\n"
|
|
"li 4,0\n"
|
|
"mr 5,%1\n"
|
|
"li 6,0\n"
|
|
"li 7,0\n"
|
|
"lis 8,1\n"
|
|
"mr 9,%0\n"
|
|
"mr %1,1\n"
|
|
"li 0,0x3500\n"
|
|
"sc\n"
|
|
"nop\n"
|
|
"mr 1,%1\n"
|
|
:
|
|
: "r"(addr), "r"(value)
|
|
: "memory", "ctr", "lr", "0", "3", "4", "5", "6", "7", "8", "9", "10",
|
|
"11", "12"
|
|
);
|
|
}
|