bios32_entry
struct bios32_entry pcibios_entry;
static struct bios32_entry pcibios_entry_shadow;
typedef struct bios32_entry *bios32_entry_t;
struct bios32_entry bios32_entry;
bios32_entry.offset = (void *)ISA_HOLE_VADDR(entry);
bios32_entry.segment = GSEL(GCODE_SEL, SEL_KPL);
if (bios32_entry.offset == 0)
: "0" (service), "1" (0), "D" (&bios32_entry));