| #include <linux/module.h> |
| #include <linux/spinlock.h> |
| int fixup_exception(struct pt_regs *regs) |
| const struct exception_table_entry *fixup; |
| if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) { |
| extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp; |
| extern u32 pnp_bios_is_utter_crap; |
| pnp_bios_is_utter_crap = 1; |
| printk(KERN_CRIT "PNPBIOS fault.. attempting recovery.\n"); |
| : : "g" (pnp_bios_fault_esp), "g" (pnp_bios_fault_eip)); |
| panic("do_trap: can't hit this"); |
| fixup = search_exception_tables(regs->ip); |
| * Need to defined our own search_extable on X86_64 to work around |
| const struct exception_table_entry * |
| search_extable(const struct exception_table_entry *first, |
| const struct exception_table_entry *last, |
| value |= 0xffffffffUL << 32; |
| const struct exception_table_entry *mid; |
| mid = (last - first) / 2 + first; |
| diff = mid->insn - value; |