1176bf4ceSSimon Glass /* 2176bf4ceSSimon Glass * Copyright (C) 1996-1999 SciTech Software, Inc. 3176bf4ceSSimon Glass * 4176bf4ceSSimon Glass * SPDX-License-Identifier: GPL-2.0 5176bf4ceSSimon Glass */ 6176bf4ceSSimon Glass 7176bf4ceSSimon Glass #ifndef _BIOS_EMUL_H 8176bf4ceSSimon Glass #define _BIOS_EMUL_H 9176bf4ceSSimon Glass 10176bf4ceSSimon Glass /* Include the register header directly here */ 11176bf4ceSSimon Glass #include "../drivers/bios_emulator/include/x86emu/regs.h" 126854f87cSSimon Glass #include <pci.h> 13176bf4ceSSimon Glass 14176bf4ceSSimon Glass /**************************************************************************** 15176bf4ceSSimon Glass REMARKS: 16176bf4ceSSimon Glass Data structure used to describe the details for the BIOS emulator system 17176bf4ceSSimon Glass environment as used by the X86 emulator library. 18176bf4ceSSimon Glass 19176bf4ceSSimon Glass HEADER: 20176bf4ceSSimon Glass biosemu.h 21176bf4ceSSimon Glass 22176bf4ceSSimon Glass MEMBERS: 23176bf4ceSSimon Glass vgaInfo - VGA BIOS information structure 24176bf4ceSSimon Glass biosmem_base - Base of the BIOS image 25176bf4ceSSimon Glass biosmem_limit - Limit of the BIOS image 26176bf4ceSSimon Glass busmem_base - Base of the VGA bus memory 27176bf4ceSSimon Glass ****************************************************************************/ 28176bf4ceSSimon Glass typedef struct { 29176bf4ceSSimon Glass int function; 30176bf4ceSSimon Glass int device; 31176bf4ceSSimon Glass int bus; 32176bf4ceSSimon Glass u32 VendorID; 33176bf4ceSSimon Glass u32 DeviceID; 34176bf4ceSSimon Glass pci_dev_t pcidev; 35176bf4ceSSimon Glass void *BIOSImage; 36176bf4ceSSimon Glass u32 BIOSImageLen; 37176bf4ceSSimon Glass u8 LowMem[1536]; 38176bf4ceSSimon Glass } BE_VGAInfo; 39176bf4ceSSimon Glass 40176bf4ceSSimon Glass struct vbe_mode_info; 41176bf4ceSSimon Glass 42176bf4ceSSimon Glass int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int cleanUp); 43176bf4ceSSimon Glass 446854f87cSSimon Glass /* Run a BIOS ROM natively (only supported on x86 machines) */ 45*8beb0bdaSSimon Glass void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, 466854f87cSSimon Glass struct vbe_mode_info *mode_info); 476854f87cSSimon Glass 486854f87cSSimon Glass /** 496854f87cSSimon Glass * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS 506854f87cSSimon Glass * 516854f87cSSimon Glass * This installs an interrupt handler that the BIOS will call when needed. 526854f87cSSimon Glass * 536854f87cSSimon Glass * @intnum: Interrupt number to install a handler for 546854f87cSSimon Glass * @int_handler_func: Function to call to handle interrupt 556854f87cSSimon Glass */ 566854f87cSSimon Glass void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void)); 576854f87cSSimon Glass 584c59f953SSimon Glass void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void)); 594c59f953SSimon Glass 604c59f953SSimon Glass int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo); 614c59f953SSimon Glass 624c59f953SSimon Glass int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len, 634c59f953SSimon Glass BE_VGAInfo *vga_info, int clean_up, int vesa_mode, 644c59f953SSimon Glass struct vbe_mode_info *mode_info); 654c59f953SSimon Glass 66176bf4ceSSimon Glass #endif 67