| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2009 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef GRUB_INTERRUPT_MACHINE_HEADER |
| #define GRUB_INTERRUPT_MACHINE_HEADER 1 |
| |
| #include <grub/symbol.h> |
| #include <grub/types.h> |
| |
| struct grub_bios_int_registers |
| { |
| grub_uint32_t eax; |
| grub_uint16_t es; |
| grub_uint16_t ds; |
| grub_uint16_t flags; |
| grub_uint16_t dummy; |
| grub_uint32_t ebx; |
| grub_uint32_t ecx; |
| grub_uint32_t edi; |
| grub_uint32_t esi; |
| grub_uint32_t edx; |
| }; |
| |
| #define GRUB_CPU_INT_FLAGS_CARRY 0x1 |
| #define GRUB_CPU_INT_FLAGS_PARITY 0x4 |
| #define GRUB_CPU_INT_FLAGS_ADJUST 0x10 |
| #define GRUB_CPU_INT_FLAGS_ZERO 0x40 |
| #define GRUB_CPU_INT_FLAGS_SIGN 0x80 |
| #define GRUB_CPU_INT_FLAGS_TRAP 0x100 |
| #define GRUB_CPU_INT_FLAGS_INTERRUPT 0x200 |
| #define GRUB_CPU_INT_FLAGS_DIRECTION 0x400 |
| #define GRUB_CPU_INT_FLAGS_OVERFLOW 0x800 |
| #ifdef GRUB_MACHINE_PCBIOS |
| #define GRUB_CPU_INT_FLAGS_DEFAULT GRUB_CPU_INT_FLAGS_INTERRUPT |
| #else |
| #define GRUB_CPU_INT_FLAGS_DEFAULT 0 |
| #endif |
| |
| void EXPORT_FUNC (grub_bios_interrupt) (grub_uint8_t intno, |
| struct grub_bios_int_registers *regs) |
| __attribute__ ((regparm(3))); |
| struct grub_i386_idt |
| { |
| grub_uint16_t limit; |
| grub_uint32_t base; |
| } GRUB_PACKED; |
| |
| #ifdef GRUB_MACHINE_PCBIOS |
| extern struct grub_i386_idt *EXPORT_VAR(grub_realidt); |
| #endif |
| |
| #endif |