diff options
Diffstat (limited to 'include/grub/i386/pc/int.h')
-rw-r--r-- | include/grub/i386/pc/int.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/grub/i386/pc/int.h b/include/grub/i386/pc/int.h new file mode 100644 index 0000000..de23775 --- /dev/null +++ b/include/grub/i386/pc/int.h @@ -0,0 +1,53 @@ +/* + * 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 +#define GRUB_CPU_INT_FLAGS_DEFAULT GRUB_CPU_INT_FLAGS_INTERRUPT + +void EXPORT_FUNC (grub_bios_interrupt) (grub_uint8_t intno, + struct grub_bios_int_registers *regs); + +#endif |