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Remove unused code

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This commit is contained in:
Maschell 2020-12-01 20:01:58 +01:00
parent 5df4429561
commit 1f8b1a3bee
3 changed files with 0 additions and 51 deletions
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22
src/kernel.cpp
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@ -25,32 +25,10 @@
/* assembly functions */
extern "C" void Syscall_0x36(void);
extern "C" void KernelPatchesRevertHook(void);
extern "C" void KernelPatches(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);

27
src/kernel_copy.S
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@ -1,27 +0,0 @@
.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

2
src/main.cpp
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@ -26,8 +26,6 @@ extern "C" uint32_t _start(int argc, char **argv) {
DEBUG_FUNCTION_LINE("Hello from cfw_booter");
ExecuteIOSExploit();
revertMainHook();
OSForceFullRelaunch();
SYSLaunchMenu();