#include #include #include #include #include #include static void* memcpy(void* restrict dstptr, const void* restrict srcptr, size_t size) { unsigned char* dst = (unsigned char*) dstptr; const unsigned char* src = (const unsigned char*) srcptr; for (size_t i = 0; i < size; i++) dst[i] = src[i]; return dstptr; } extern void jump_to_userspace(); void run_program(uint8_t* program, size_t length) { uint8_t* userland_code = (uint8_t*) 0x00800000; memcpy(userland_code, program, length); jump_to_userspace(); }