bottleros/Kernel/moduleLoader.c

// This is a personal academic project. Dear PVS-Studio, please check it.
// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
#include <stdint.h>
#include <lib.h>
#include <moduleLoader.h>
#include <naiveConsole.h>

static uint32_t readUint32(uint8_t **address) {
    uint32_t result = *(uint32_t *)(*address);
    *address += sizeof(uint32_t);
    return result;
}

static void loadModule(uint8_t **module, void *targetModuleAddress) {
    uint32_t moduleSize = readUint32(module);

    memcpy(targetModuleAddress, *module, moduleSize);
    *module += moduleSize;
}

void loadModules(void *payloadStart, void **targetModuleAddress) {
    int i;
    uint8_t *currentModule = (uint8_t *) payloadStart;
    uint32_t moduleCount = readUint32(&currentModule);

    for (i = 0; i < moduleCount; i++)
        loadModule(&currentModule, targetModuleAddress[i]);
}