static void vm_dev_init()
{
info->vm.dev.mem.a20 = 1;
dev_kbd_init(&info->vm.dev.kbd);
dev_uart_init(&info->vm.dev.uart, SERIAL_COM1);
dev_ata_init(&info->vm.dev.ata[0], ATA1_START_PORT);
/* proxify to detect rebase for uart irq injection */
info->vm.dev.pic1_icw2 = DFLT_PIC1_ICW2;
__deny_io_range(PIC1_START_PORT, PIC1_END_PORT);
/* lazzy emulation */
__deny_io_range(COM1_START_PORT, COM1_END_PORT);
/* monitor reboot and A20 */
__deny_io_range(KBD_START_PORT, KBD_END_PORT);
__deny_io(PS2_SYS_CTRL_PORT_A);
/* ata filtering */
/* __deny_io(ATA1_CTRL_PORT); */
/* __deny_io_range(ATA1_START_PORT, ATA1_END_PORT); */
/* prevent PCI device detection */
#if defined(CONFIG_HAS_NET) || \
(defined(CONFIG_HAS_EHCI) && defined(CONFIG_EHCI_2ND))
__deny_io(PCI_CONFIG_ADDR);
#endif
#if defined(CONFIG_HAS_NET) && defined(CONFIG_HAS_E1000)
{
e1k_info_t *e1k = &info->hrd.dev.net.arch;
npg_unmap(e1k->base.linear, e1k->base.linear + (128<<10));
debug(E1000, "protect e1000 mmio space [0x%X - 0x%X]\n"
,e1k->base.linear, e1k->base.linear + (128<<10));
}
#endif
/* super io */
__deny_io(SIO_INDEX);
/* acpi PM1_CTL register */
__deny_io(info->hrd.acpi.pm1_ctl_port);
}
int vm_enter_rmode()
{
info->vm.cpu.dflt_excp = VM_RMODE_EXCP_BITMAP;
__update_exception_mask();
__deny_soft_int();
__deny_io_range(KBD_START_PORT, KBD_END_PORT);
return 1;
}