1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 1996-1999 SciTech Software, Inc. 4 */ 5 6 #ifndef _BIOS_EMUL_H 7 #define _BIOS_EMUL_H 8 9 /* Include the register header directly here */ 10 #include "../drivers/bios_emulator/include/x86emu/regs.h" 11 #include <pci.h> 12 13 /**************************************************************************** 14 REMARKS: 15 Data structure used to describe the details for the BIOS emulator system 16 environment as used by the X86 emulator library. 17 18 HEADER: 19 biosemu.h 20 21 MEMBERS: 22 vgaInfo - VGA BIOS information structure 23 biosmem_base - Base of the BIOS image 24 biosmem_limit - Limit of the BIOS image 25 busmem_base - Base of the VGA bus memory 26 ****************************************************************************/ 27 typedef struct { 28 int function; 29 int device; 30 int bus; 31 u32 VendorID; 32 u32 DeviceID; 33 #ifdef CONFIG_DM_PCI 34 struct udevice *pcidev; 35 #else 36 pci_dev_t pcidev; 37 #endif 38 void *BIOSImage; 39 u32 BIOSImageLen; 40 u8 LowMem[1536]; 41 } BE_VGAInfo; 42 43 struct vbe_mode_info; 44 45 #ifdef CONFIG_DM_PCI 46 int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo, 47 int clean_up); 48 #else 49 int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int clean_up); 50 #endif 51 52 /* Run a BIOS ROM natively (only supported on x86 machines) */ 53 void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, 54 struct vbe_mode_info *mode_info); 55 56 /** 57 * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS 58 * 59 * This installs an interrupt handler that the BIOS will call when needed. 60 * 61 * @intnum: Interrupt number to install a handler for 62 * @int_handler_func: Function to call to handle interrupt 63 */ 64 void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void)); 65 66 void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void)); 67 68 #ifdef CONFIG_DM_PCI 69 int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo); 70 71 int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len, 72 BE_VGAInfo *vga_info, int clean_up, int vesa_mode, 73 struct vbe_mode_info *mode_info); 74 #else 75 int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo); 76 77 int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len, 78 BE_VGAInfo *vga_info, int clean_up, int vesa_mode, 79 struct vbe_mode_info *mode_info); 80 #endif 81 82 #endif 83