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176bf4ce SG |
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" | |
6854f87c | 12 | #include <pci.h> |
176bf4ce SG |
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; | |
7282672d SG |
34 | #ifdef CONFIG_DM_PCI |
35 | struct udevice *pcidev; | |
36 | #else | |
176bf4ce | 37 | pci_dev_t pcidev; |
7282672d | 38 | #endif |
176bf4ce SG |
39 | void *BIOSImage; |
40 | u32 BIOSImageLen; | |
41 | u8 LowMem[1536]; | |
42 | } BE_VGAInfo; | |
43 | ||
44 | struct vbe_mode_info; | |
45 | ||
7282672d SG |
46 | #ifdef CONFIG_DM_PCI |
47 | int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo, | |
48 | int clean_up); | |
49 | #else | |
50 | int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int clean_up); | |
51 | #endif | |
176bf4ce | 52 | |
6854f87c | 53 | /* Run a BIOS ROM natively (only supported on x86 machines) */ |
8beb0bda | 54 | void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, |
6854f87c SG |
55 | struct vbe_mode_info *mode_info); |
56 | ||
57 | /** | |
58 | * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS | |
59 | * | |
60 | * This installs an interrupt handler that the BIOS will call when needed. | |
61 | * | |
62 | * @intnum: Interrupt number to install a handler for | |
63 | * @int_handler_func: Function to call to handle interrupt | |
64 | */ | |
65 | void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void)); | |
66 | ||
4c59f953 SG |
67 | void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void)); |
68 | ||
7282672d SG |
69 | #ifdef CONFIG_DM_PCI |
70 | int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo); | |
71 | ||
72 | int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len, | |
73 | BE_VGAInfo *vga_info, int clean_up, int vesa_mode, | |
74 | struct vbe_mode_info *mode_info); | |
75 | #else | |
4c59f953 SG |
76 | int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo); |
77 | ||
78 | int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len, | |
79 | BE_VGAInfo *vga_info, int clean_up, int vesa_mode, | |
80 | struct vbe_mode_info *mode_info); | |
7282672d | 81 | #endif |
4c59f953 | 82 | |
176bf4ce | 83 | #endif |