blob: 3643b82b3a6d0e5753e27145a5698fd7276eb2f9
1 | /* |
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" |
12 | #include <pci.h> |
13 | |
14 | /**************************************************************************** |
15 | REMARKS: |
16 | Data structure used to describe the details for the BIOS emulator system |
17 | environment as used by the X86 emulator library. |
18 | |
19 | HEADER: |
20 | biosemu.h |
21 | |
22 | MEMBERS: |
23 | vgaInfo - VGA BIOS information structure |
24 | biosmem_base - Base of the BIOS image |
25 | biosmem_limit - Limit of the BIOS image |
26 | busmem_base - Base of the VGA bus memory |
27 | ****************************************************************************/ |
28 | typedef 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 | |
40 | struct vbe_mode_info; |
41 | |
42 | int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int cleanUp); |
43 | |
44 | /* Run a BIOS ROM natively (only supported on x86 machines) */ |
45 | void 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 | */ |
56 | void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void)); |
57 | |
58 | void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void)); |
59 | |
60 | int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo); |
61 | |
62 | int 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 | |
66 | #endif |
67 |