func (bios *Bios) Attach(vm *platform.Vm, model *Model) error {
// Reserve our basic "BIOS" memory.
// This is done simply to match expectations.
// Nothing should be allocated in the first page.
err := model.Reserve(
vm,
bios,
MemoryTypeReserved,
platform.Paddr(0), // Start.
platform.PageSize, // Size.
nil)
if err != nil {
return err
}
// Now reserve our TSS.
err = model.Reserve(
vm,
bios,
MemoryTypeSpecial,
bios.TSSAddr,
vm.SizeSpecialMemory(),
nil)
if err != nil {
return err
}
// Finish the region.
tss_end := bios.TSSAddr.After(vm.SizeSpecialMemory())
err = model.Reserve(
vm,
bios,
MemoryTypeReserved,
tss_end,
uint64(platform.Paddr(0x100000000)-tss_end),
nil)
if err != nil {
return err
}
// We're good.
return nil
}
