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/**************************************************************************** 14REMARKS: 15Data structure used to describe the details for the BIOS emulator system 16environment as used by the X86 emulator library. 17 18HEADER: 19biosemu.h 20 21MEMBERS: 22vgaInfo - VGA BIOS information structure 23biosmem_base - Base of the BIOS image 24biosmem_limit - Limit of the BIOS image 25busmem_base - Base of the VGA bus memory 26****************************************************************************/ 27typedef struct { 28 int function; 29 int device; 30 int bus; 31 u32 VendorID; 32 u32 DeviceID; 33 struct udevice *pcidev; 34 void *BIOSImage; 35 u32 BIOSImageLen; 36 u8 LowMem[1536]; 37} BE_VGAInfo; 38 39struct vesa_state; 40 41int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo, 42 int clean_up); 43 44/* Run a BIOS ROM natively (only supported on x86 machines) */ 45void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, 46 struct vesa_state *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 58void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void)); 59 60int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo); 61 62int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len, 63 BE_VGAInfo *vga_info, int clean_up, int vesa_mode, 64 struct vesa_state *mode_info); 65 66#endif 67