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diff --git a/include/bios_emul.h b/include/bios_emul.h
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+/*
+ * Copyright (C) 1996-1999 SciTech Software, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#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;
+ pci_dev_t pcidev;
+ void *BIOSImage;
+ u32 BIOSImageLen;
+ u8 LowMem[1536];
+} BE_VGAInfo;
+
+struct vbe_mode_info;
+
+int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int cleanUp);
+
+/* Run a BIOS ROM natively (only supported on x86 machines) */
+void bios_run_on_x86(pci_dev_t pcidev, unsigned long addr, int vesa_mode,
+ struct vbe_mode_info *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(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo);
+
+int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len,
+ BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
+ struct vbe_mode_info *mode_info);
+
+#endif