Untitled

#include <stdint.h>

int main() {
    uint64_t cr3_value;

    // Load CR3 into a variable
    asm volatile("movq %%cr3, %0" : "=r" (cr3_value));

    // Modify CR3 value (e.g., update the paging structure base address)
    cr3_value = ...; // update the value

    // Store the modified CR3 value back into the register
    asm volatile("movq %0, %%cr3" : : "r" (cr3_value));

    return 0;
}