1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 1996-1999 SciTech Software, Inc.
*/
#ifndef _BIOS_EMUL_H
#define _BIOS_EMUL_H
/* Include the register header directly here */
#include "../drivers/bios_emulator/include/x86emu/regs.h"
#include <pci.h>
/****************************************************************************
REMARKS:
Data structure used to describe the details for the BIOS emulator system
environment as used by the X86 emulator library.
HEADER:
biosemu.h
MEMBERS:
vgaInfo - VGA BIOS information structure
biosmem_base - Base of the BIOS image
biosmem_limit - Limit of the BIOS image
busmem_base - Base of the VGA bus memory
****************************************************************************/
typedef struct {
int function;
int device;
int bus;
u32 VendorID;
u32 DeviceID;
struct udevice *pcidev;
void *BIOSImage;
u32 BIOSImageLen;
u8 LowMem[1536];
} BE_VGAInfo;
struct vesa_state;
int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo,
int clean_up);
/* Run a BIOS ROM natively (only supported on x86 machines) */
void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode,
struct vesa_state *mode_info);
/**
* bios_set_interrupt_handler() - Install an interrupt handler for the BIOS
*
* This installs an interrupt handler that the BIOS will call when needed.
*
* @intnum: Interrupt number to install a handler for
* @int_handler_func: Function to call to handle interrupt
*/
void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void));
void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void));
int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo);
int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len,
BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
struct vesa_state *mode_info);
#endif
|