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Simon Glass176bf4c2014-11-14 20:56:28 -07001/*
2 * Copyright (C) 1996-1999 SciTech Software, Inc.
3 *
4 * SPDX-License-Identifier: GPL-2.0
5 */
6
7#ifndef _BIOS_EMUL_H
8#define _BIOS_EMUL_H
9
10/* Include the register header directly here */
11#include "../drivers/bios_emulator/include/x86emu/regs.h"
Simon Glass6854f872014-11-14 20:56:33 -070012#include <pci.h>
Simon Glass176bf4c2014-11-14 20:56:28 -070013
14/****************************************************************************
15REMARKS:
16Data structure used to describe the details for the BIOS emulator system
17environment as used by the X86 emulator library.
18
19HEADER:
20biosemu.h
21
22MEMBERS:
23vgaInfo - VGA BIOS information structure
24biosmem_base - Base of the BIOS image
25biosmem_limit - Limit of the BIOS image
26busmem_base - Base of the VGA bus memory
27****************************************************************************/
28typedef struct {
29 int function;
30 int device;
31 int bus;
32 u32 VendorID;
33 u32 DeviceID;
34 pci_dev_t pcidev;
35 void *BIOSImage;
36 u32 BIOSImageLen;
37 u8 LowMem[1536];
38} BE_VGAInfo;
39
40struct vbe_mode_info;
41
42int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int cleanUp);
43
Simon Glass6854f872014-11-14 20:56:33 -070044/* Run a BIOS ROM natively (only supported on x86 machines) */
45void bios_run_on_x86(pci_dev_t pcidev, unsigned long addr, int vesa_mode,
46 struct vbe_mode_info *mode_info);
47
48/**
49 * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS
50 *
51 * This installs an interrupt handler that the BIOS will call when needed.
52 *
53 * @intnum: Interrupt number to install a handler for
54 * @int_handler_func: Function to call to handle interrupt
55 */
56void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void));
57
Simon Glass4c59f952014-11-14 20:56:40 -070058void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void));
59
60int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo);
61
62int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len,
63 BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
64 struct vbe_mode_info *mode_info);
65
Simon Glass176bf4c2014-11-14 20:56:28 -070066#endif