mirror of
https://github.com/wiiu-env/CustomRPXLoader.git
synced 2024-11-13 22:15:06 +01:00
Revert the mainhook on error
This commit is contained in:
parent
8b01f5ca75
commit
f93fc73ace
@ -19,6 +19,7 @@
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <coreinit/cache.h>
|
||||
#include <coreinit/memorymap.h>
|
||||
|
||||
#include "kernel.h"
|
||||
|
||||
@ -30,6 +31,27 @@ extern "C" void SaveAndResetDataBATs_And_SRs_hook(void);
|
||||
|
||||
void __attribute__ ((noinline)) kern_write(void *addr, uint32_t value);
|
||||
|
||||
extern "C" void SC_0x25_KernelCopyData(unsigned int addr, unsigned int src, unsigned int len);
|
||||
|
||||
extern "C" void SCKernelCopyData(unsigned int addr, unsigned int src, unsigned int len);
|
||||
|
||||
void KernelWriteU32(uint32_t addr, uint32_t value) {
|
||||
ICInvalidateRange(&value, 4);
|
||||
DCFlushRange(&value, 4);
|
||||
|
||||
auto dst = (uint32_t) OSEffectiveToPhysical(addr);
|
||||
auto src = (uint32_t) OSEffectiveToPhysical((uint32_t) &value);
|
||||
|
||||
SC_0x25_KernelCopyData(dst, src, 4);
|
||||
|
||||
DCFlushRange((void *) addr, 4);
|
||||
ICInvalidateRange((void *) addr, 4);
|
||||
}
|
||||
|
||||
void revertMainHook() {
|
||||
KernelWriteU32(0x0101c56c, 0x4E800421);
|
||||
}
|
||||
|
||||
void doKernelSetup() {
|
||||
kern_write((void *) (KERN_SYSCALL_TBL_1 + (0x36 * 4)), (unsigned int) KernelPatches);
|
||||
kern_write((void *) (KERN_SYSCALL_TBL_2 + (0x36 * 4)), (unsigned int) KernelPatches);
|
||||
@ -52,6 +74,13 @@ void doKernelSetup2() {
|
||||
kern_write((void *) (KERN_SYSCALL_TBL_5 + (0x36 * 4)), (unsigned int) KernelPatchesFinal);
|
||||
|
||||
Syscall_0x36();
|
||||
|
||||
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 */
|
||||
|
@ -31,6 +31,8 @@ void doKernelSetup();
|
||||
|
||||
void doKernelSetup2();
|
||||
|
||||
void revertMainHook();
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
27
src/kernel_copy.S
Normal file
27
src/kernel_copy.S
Normal file
@ -0,0 +1,27 @@
|
||||
.global SCKernelCopyData
|
||||
SCKernelCopyData:
|
||||
// Disable data address translation
|
||||
mfmsr %r6
|
||||
li %r7, 0x10
|
||||
andc %r6, %r6, %r7
|
||||
mtmsr %r6
|
||||
|
||||
// Copy data
|
||||
addi %r3, %r3, -1
|
||||
addi %r4, %r4, -1
|
||||
mtctr %r5
|
||||
SCKernelCopyData_loop:
|
||||
lbzu %r5, 1(%r4)
|
||||
stbu %r5, 1(%r3)
|
||||
bdnz SCKernelCopyData_loop
|
||||
|
||||
// Enable data address translation
|
||||
ori %r6, %r6, 0x10
|
||||
mtmsr %r6
|
||||
blr
|
||||
|
||||
.global SC_0x25_KernelCopyData
|
||||
SC_0x25_KernelCopyData:
|
||||
li %r0, 0x2500
|
||||
sc
|
||||
blr
|
@ -105,7 +105,8 @@ extern "C" int _start(int argc, char **argv) {
|
||||
((int (*)(int, char **)) moduleData->getEntrypoint())(argc, argv);
|
||||
doProcUI = true;
|
||||
} else {
|
||||
DEBUG_FUNCTION_LINE("Failed to load module");
|
||||
DEBUG_FUNCTION_LINE("Failed to load module, revert main_hook");
|
||||
revertMainHook();
|
||||
}
|
||||
|
||||
if (doProcUI) {
|
||||
|
Loading…
Reference in New Issue
Block a user