68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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* VasEBoot -- GRand Unified Bootloader
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* Copyright (C) 2009 Free Software Foundation, Inc.
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*
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* VasEBoot is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* VasEBoot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with VasEBoot. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef VasEBoot_INTERRUPT_MACHINE_HEADER
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#define VasEBoot_INTERRUPT_MACHINE_HEADER 1
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#include <VasEBoot/symbol.h>
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#include <VasEBoot/types.h>
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struct VasEBoot_bios_int_registers
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{
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VasEBoot_uint32_t eax;
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VasEBoot_uint16_t es;
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VasEBoot_uint16_t ds;
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VasEBoot_uint16_t flags;
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VasEBoot_uint16_t dummy;
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VasEBoot_uint32_t ebx;
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VasEBoot_uint32_t ecx;
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VasEBoot_uint32_t edi;
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VasEBoot_uint32_t esi;
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VasEBoot_uint32_t edx;
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};
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#define VasEBoot_CPU_INT_FLAGS_CARRY 0x1
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#define VasEBoot_CPU_INT_FLAGS_PARITY 0x4
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#define VasEBoot_CPU_INT_FLAGS_ADJUST 0x10
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#define VasEBoot_CPU_INT_FLAGS_ZERO 0x40
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#define VasEBoot_CPU_INT_FLAGS_SIGN 0x80
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#define VasEBoot_CPU_INT_FLAGS_TRAP 0x100
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#define VasEBoot_CPU_INT_FLAGS_INTERRUPT 0x200
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#define VasEBoot_CPU_INT_FLAGS_DIRECTION 0x400
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#define VasEBoot_CPU_INT_FLAGS_OVERFLOW 0x800
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#ifdef VasEBoot_MACHINE_PCBIOS
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#define VasEBoot_CPU_INT_FLAGS_DEFAULT VasEBoot_CPU_INT_FLAGS_INTERRUPT
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#else
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#define VasEBoot_CPU_INT_FLAGS_DEFAULT 0
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#endif
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void EXPORT_FUNC (VasEBoot_bios_interrupt) (VasEBoot_uint8_t intno,
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struct VasEBoot_bios_int_registers *regs)
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__attribute__ ((regparm(3)));
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struct VasEBoot_i386_idt
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{
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VasEBoot_uint16_t limit;
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VasEBoot_uint32_t base;
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} VasEBoot_PACKED;
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#ifdef VasEBoot_MACHINE_PCBIOS
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extern struct VasEBoot_i386_idt *EXPORT_VAR(VasEBoot_realidt);
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#endif
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#endif
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