Leahnaya/WUMSLoader
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This commit is contained in:
Maschell
2020-05-17 19:05:51 +02:00
parent 373579cd6f
commit 2ee3011ae8
39 changed files with 881 additions and 810 deletions
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54
source/kernel.cpp
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@@ -8,18 +8,18 @@ extern "C" void SCKernelCopyData(uint32_t addr, uint32_t src, uint32_t len);
extern "C" void SC_KernelCopyData(uint32_t addr, uint32_t src, uint32_t len);
void SetupRelocator() {
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);
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);
uint32_t entryPoint = load_loader_elf(0, (char*) ___relocator_relocator_elf, ___relocator_relocator_elf_len);
uint32_t entryPoint = load_loader_elf(0, (char *) ___relocator_relocator_elf, ___relocator_relocator_elf_len);
unsigned int repl_addr = ADDRESS_main_entry_hook;
KernelWriteU32(repl_addr,0x48000003 | entryPoint);
DCFlushRange((void*) repl_addr, 4);
ICInvalidateRange((void*)(repl_addr), 4);
KernelWriteU32(repl_addr, 0x48000003 | entryPoint);
DCFlushRange((void *) repl_addr, 4);
ICInvalidateRange((void *) (repl_addr), 4);
}
void KernelWriteU32(uint32_t addr, uint32_t value) {
@@ -32,28 +32,28 @@ void KernelWriteU32(uint32_t addr, uint32_t value) {
SC_KernelCopyData(dst, src, 4);
DCFlushRange((void *)addr, 4);
ICInvalidateRange((void *)addr, 4);
DCFlushRange((void *) addr, 4);
ICInvalidateRange((void *) addr, 4);
}
/* 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"
"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"
);
}