#include "user_space.h" void enter_user_space(void) { asm volatile(" cli; \ mov $0x23, %ax; \ mov %ax, %ds; \ mov %ax, %es; \ mov %ax, %fs; \ mov %ax, %gs; \ mov %esp, %eax; \ pushl $0x23; \ pushl %eax; \ pushf; \ popl %eax; \ orl $0x200, %eax; \ pushl %eax; \ pushl $0x1B; \ push $1f; \ iret; \ 1: \ "); }