1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0 */ 2176bf4ceSSimon Glass /* 3176bf4ceSSimon Glass * Copyright (C) 1996-1999 SciTech Software, Inc. 4176bf4ceSSimon Glass */ 5176bf4ceSSimon Glass 6176bf4ceSSimon Glass #ifndef _BIOS_EMUL_H 7176bf4ceSSimon Glass #define _BIOS_EMUL_H 8176bf4ceSSimon Glass 9176bf4ceSSimon Glass /* Include the register header directly here */ 10176bf4ceSSimon Glass #include "../drivers/bios_emulator/include/x86emu/regs.h" 116854f87cSSimon Glass #include <pci.h> 12176bf4ceSSimon Glass 13176bf4ceSSimon Glass /**************************************************************************** 14176bf4ceSSimon Glass REMARKS: 15176bf4ceSSimon Glass Data structure used to describe the details for the BIOS emulator system 16176bf4ceSSimon Glass environment as used by the X86 emulator library. 17176bf4ceSSimon Glass 18176bf4ceSSimon Glass HEADER: 19176bf4ceSSimon Glass biosemu.h 20176bf4ceSSimon Glass 21176bf4ceSSimon Glass MEMBERS: 22176bf4ceSSimon Glass vgaInfo - VGA BIOS information structure 23176bf4ceSSimon Glass biosmem_base - Base of the BIOS image 24176bf4ceSSimon Glass biosmem_limit - Limit of the BIOS image 25176bf4ceSSimon Glass busmem_base - Base of the VGA bus memory 26176bf4ceSSimon Glass ****************************************************************************/ 27176bf4ceSSimon Glass typedef struct { 28176bf4ceSSimon Glass int function; 29176bf4ceSSimon Glass int device; 30176bf4ceSSimon Glass int bus; 31176bf4ceSSimon Glass u32 VendorID; 32176bf4ceSSimon Glass u32 DeviceID; 337282672dSSimon Glass #ifdef CONFIG_DM_PCI 347282672dSSimon Glass struct udevice *pcidev; 357282672dSSimon Glass #else 36176bf4ceSSimon Glass pci_dev_t pcidev; 377282672dSSimon Glass #endif 38176bf4ceSSimon Glass void *BIOSImage; 39176bf4ceSSimon Glass u32 BIOSImageLen; 40176bf4ceSSimon Glass u8 LowMem[1536]; 41176bf4ceSSimon Glass } BE_VGAInfo; 42176bf4ceSSimon Glass 43176bf4ceSSimon Glass struct vbe_mode_info; 44176bf4ceSSimon Glass 457282672dSSimon Glass #ifdef CONFIG_DM_PCI 467282672dSSimon Glass int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo, 477282672dSSimon Glass int clean_up); 487282672dSSimon Glass #else 497282672dSSimon Glass int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int clean_up); 507282672dSSimon Glass #endif 51176bf4ceSSimon Glass 526854f87cSSimon Glass /* Run a BIOS ROM natively (only supported on x86 machines) */ 538beb0bdaSSimon Glass void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode, 546854f87cSSimon Glass struct vbe_mode_info *mode_info); 556854f87cSSimon Glass 566854f87cSSimon Glass /** 576854f87cSSimon Glass * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS 586854f87cSSimon Glass * 596854f87cSSimon Glass * This installs an interrupt handler that the BIOS will call when needed. 606854f87cSSimon Glass * 616854f87cSSimon Glass * @intnum: Interrupt number to install a handler for 626854f87cSSimon Glass * @int_handler_func: Function to call to handle interrupt 636854f87cSSimon Glass */ 646854f87cSSimon Glass void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void)); 656854f87cSSimon Glass 664c59f953SSimon Glass void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void)); 674c59f953SSimon Glass 687282672dSSimon Glass #ifdef CONFIG_DM_PCI 697282672dSSimon Glass int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo); 707282672dSSimon Glass 717282672dSSimon Glass int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len, 727282672dSSimon Glass BE_VGAInfo *vga_info, int clean_up, int vesa_mode, 737282672dSSimon Glass struct vbe_mode_info *mode_info); 747282672dSSimon Glass #else 754c59f953SSimon Glass int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo); 764c59f953SSimon Glass 774c59f953SSimon Glass int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len, 784c59f953SSimon Glass BE_VGAInfo *vga_info, int clean_up, int vesa_mode, 794c59f953SSimon Glass struct vbe_mode_info *mode_info); 807282672dSSimon Glass #endif 814c59f953SSimon Glass 82176bf4ceSSimon Glass #endif 83