Files
system76-coreboot/src/devices/oprom/realmode/x86.h
Patrick Georgi 3e77eb6d1e x86emu: Move realmode handler into own directory
It's really a feature in parallel to YABEL/x86emu. Reflect this in
the directory structure.

Change-Id: Ie88e4fa6bfef13d23c55b2db3faacbd90f8cc30b
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/1889
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-11-24 20:05:00 +01:00

50 lines
1.7 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
* Copyright (C) 2009-2010 coresystems GmbH
*
* This program 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; version 2 of the License.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#define REALMODE_BASE ((void *)0x600)
struct realmode_idt {
u16 offset, cs;
};
void x86_exception(struct eregs *info);
/* From x86_asm.S */
extern unsigned char __idt_handler, __idt_handler_size;
extern unsigned char __realmode_code, __realmode_code_size;
extern unsigned char __realmode_call, __realmode_interrupt;
extern unsigned char __buffer;
extern void (*realmode_call)(u32 addr, u32 eax, u32 ebx, u32 ecx, u32 edx,
u32 esi, u32 edi) __attribute__((regparm(0)));
extern void (*realmode_interrupt)(u32 intno, u32 eax, u32 ebx, u32 ecx, u32 edx,
u32 esi, u32 edi) __attribute__((regparm(0)));
#define FAKE_MEMORY_SIZE (1024*1024) // only 1MB
#define INITIAL_EBDA_SEGMENT 0xF600
#define INITIAL_EBDA_SIZE 0x400
int int10_handler(struct eregs *regs);
int int12_handler(struct eregs *regs);
int int16_handler(struct eregs *regs);
int int1a_handler(struct eregs *regs);