X86BIOS_IVT_SIZE
if (offset + size > X86BIOS_MEM_SIZE + X86BIOS_IVT_SIZE)
pmap_unmapbios(x86bios_ivt, X86BIOS_IVT_SIZE);
x86bios_ivt = pmap_mapbios(X86BIOS_IVT_BASE, X86BIOS_IVT_SIZE);
x86bios_ivt = malloc(X86BIOS_IVT_SIZE, M_DEVBUF, M_NOWAIT | M_ZERO);
X86BIOS_IVT_SIZE);
(vm_paddr_t)X86BIOS_IVT_SIZE + X86BIOS_IVT_BASE - 1,