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refactor: Move applet and olv url patches out into files

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This commit is contained in:
Ash Logan 2023-07-29 17:18:17 +10:00
commit 862e095e5a
8 changed files with 329 additions and 220 deletions
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44
src/utils/replace_mem.cpp Normal file
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/* Copyright 2023 Pretendo Network contributors <pretendo.network>
Copyright 2023 Ash Logan <ash@heyquark.com>
Copyright 2019 Maschell
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby
granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "replace_mem.h"
#include "utils/logger.h"
#include <kernel/kernel.h>
#include <coreinit/memorymap.h>
bool replace(uint32_t start, uint32_t size, const char* original_val, size_t original_val_sz, const char* new_val, size_t new_val_sz) {
for (uint32_t addr = start; addr < start + size - original_val_sz; addr++) {
int ret = memcmp(original_val, (void*)addr, original_val_sz);
if (ret == 0) {
DEBUG_FUNCTION_LINE("found str @%08x: %s", addr, (const char*)addr);
KernelCopyData(OSEffectiveToPhysical(addr), OSEffectiveToPhysical((uint32_t)new_val), new_val_sz);
DEBUG_FUNCTION_LINE("new str @%08x: %s", addr, (const char*)addr);
return true;
}
}
return false;
}
void replaceBulk(uint32_t start, uint32_t size, const char* original_val, size_t original_val_sz, const char* new_val, size_t new_val_sz) {
for (uint32_t addr = start; addr < start + size - original_val_sz; addr++) {
int ret = memcmp(original_val, (void*)addr, original_val_sz);
if (ret == 0) {
DEBUG_FUNCTION_LINE("found bulk @%08x", addr);
KernelCopyData(OSEffectiveToPhysical(addr), OSEffectiveToPhysical((uint32_t)new_val), new_val_sz);
DEBUG_FUNCTION_LINE("new bulk @%08x", addr);
}
}
}

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src/utils/replace_mem.h Normal file
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/* Copyright 2023 Pretendo Network contributors <pretendo.network>
Copyright 2023 Ash Logan <ash@heyquark.com>
Copyright 2019 Maschell
Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby
granted, provided that the above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
#include <cstdint>
#include <cstddef>
bool replace(uint32_t start, uint32_t size, const char* original_val, size_t original_val_sz, const char* new_val, size_t new_val_sz);
void replaceBulk(uint32_t start, uint32_t size, const char* original_val, size_t original_val_sz, const char* new_val, size_t new_val_sz);