WiiUPluginLoaderBackend/source/utils/utils.cpp

135 lines
3.8 KiB
C++

#include "utils.h"
#include "fs/CFile.hpp"
#include "globals.h"
#include "json.hpp"
#include "logger.h"
#include <algorithm>
#include <coreinit/ios.h>
#include <malloc.h>
#include <string>
#include <wups/storage.h>
static std::string sPluginPath;
static std::string sModulePath;
static std::string sEnvironmentPath;
std::string getEnvironmentPath() {
if (!sEnvironmentPath.empty()) {
return sEnvironmentPath;
}
char environmentPath[0x100] = {};
if (const auto handle = IOS_Open("/dev/mcp", IOS_OPEN_READ); handle >= 0) {
int in = 0xF9; // IPC_CUSTOM_COPY_ENVIRONMENT_PATH
if (IOS_Ioctl(handle, 100, &in, sizeof(in), environmentPath, sizeof(environmentPath)) != IOS_ERROR_OK) {
return "fs:/vol/external01/wiiu/environments/aroma";
}
IOS_Close(handle);
}
sEnvironmentPath = environmentPath;
return sEnvironmentPath;
}
std::string getPluginPath() {
if (!sPluginPath.empty()) {
return sPluginPath;
}
sPluginPath = getEnvironmentPath().append("/plugins");
return sPluginPath;
}
std::string getModulePath() {
if (!sModulePath.empty()) {
return sModulePath;
}
sModulePath = getEnvironmentPath().append("/modules");
return sModulePath;
}
// https://gist.github.com/ccbrown/9722406
void dumpHex(const void *data, const size_t size) {
char ascii[17];
size_t i, j;
ascii[16] = '\0';
DEBUG_FUNCTION_LINE("0x%08X (0x0000): ", data);
for (i = 0; i < size; ++i) {
WHBLogWritef("%02X ", ((unsigned char *) data)[i]);
if (((unsigned char *) data)[i] >= ' ' && ((unsigned char *) data)[i] <= '~') {
ascii[i % 16] = ((unsigned char *) data)[i];
} else {
ascii[i % 16] = '.';
}
if ((i + 1) % 8 == 0 || i + 1 == size) {
WHBLogWritef(" ");
if ((i + 1) % 16 == 0) {
WHBLogPrintf("| %s ", ascii);
if (i + 1 < size) {
DEBUG_FUNCTION_LINE("0x%08X (0x%04X); ", ((uint32_t) data) + i + 1, i + 1);
}
} else if (i + 1 == size) {
ascii[(i + 1) % 16] = '\0';
if ((i + 1) % 16 <= 8) {
WHBLogWritef(" ");
}
for (j = (i + 1) % 16; j < 16; ++j) {
WHBLogWritef(" ");
}
WHBLogPrintf("| %s ", ascii);
}
}
}
}
OSDynLoad_Error CustomDynLoadAlloc(int32_t size, int32_t align, void **outAddr) {
if (!outAddr) {
return OS_DYNLOAD_INVALID_ALLOCATOR_PTR;
}
if (align >= 0 && align < 4) {
align = 4;
} else if (align < 0 && align > -4) {
align = -4;
}
if (*outAddr = memalign(align, size); !*outAddr) {
return OS_DYNLOAD_OUT_OF_MEMORY;
}
// keep track of allocated memory to clean it up if RPLs won't get unloaded properly
gAllocatedAddresses.push_back(*outAddr);
return OS_DYNLOAD_OK;
}
void CustomDynLoadFree(void *addr) {
free(addr);
// Remove from list
if (const auto it = std::ranges::find(gAllocatedAddresses, addr); it != gAllocatedAddresses.end()) {
gAllocatedAddresses.erase(it);
}
}
bool ParseJsonFromFile(const std::string &filePath, nlohmann::json &outJson) {
CFile file(filePath, CFile::ReadOnly);
if (!file.isOpen() || file.size() == 0) {
return false;
}
auto *json_data = (uint8_t *) memalign(0x40, ROUNDUP(file.size() + 1, 0x40));
if (!json_data) {
return false;
}
bool result = true;
uint64_t readRes = file.read(json_data, file.size());
if (readRes == file.size()) {
json_data[file.size()] = '\0';
outJson = nlohmann::json::parse(json_data, nullptr, false);
} else {
result = false;
}
file.close();
free(json_data);
return result;
}