LXR uboot/include/bios

   1/*
   2 * Copyright (C) 1996-1999 SciTech Software, Inc.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0
   5 */
   6
   7#ifndef _BIOS_EMUL_H
   8#define _BIOS_EMUL_H
   9
  10/* Include the register header directly here */
  11#include "../drivers/bios_emulator/include/x86emu/regs.h"
  12#include <pci.h>
  13
  14/****************************************************************************
  15REMARKS:
  16Data structure used to describe the details for the BIOS emulator system
  17environment as used by the X86 emulator library.
  18
  19HEADER:
  20biosemu.h
  21
  22MEMBERS:
  23vgaInfo         - VGA BIOS information structure
  24biosmem_base    - Base of the BIOS image
  25biosmem_limit   - Limit of the BIOS image
  26busmem_base     - Base of the VGA bus memory
  27****************************************************************************/
  28typedef struct {
  29        int function;
  30        int device;
  31        int bus;
  32        u32 VendorID;
  33        u32 DeviceID;
  34#ifdef CONFIG_DM_PCI
  35        struct udevice *pcidev;
  36#else
  37        pci_dev_t pcidev;
  38#endif
  39        void *BIOSImage;
  40        u32 BIOSImageLen;
  41        u8 LowMem[1536];
  42} BE_VGAInfo;
  43
  44struct vbe_mode_info;
  45
  46#ifdef CONFIG_DM_PCI
  47int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo,
  48                      int clean_up);
  49#else
  50int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int clean_up);
  51#endif
  52
  53/* Run a BIOS ROM natively (only supported on x86 machines) */
  54void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode,
  55                     struct vbe_mode_info *mode_info);
  56
  57/**
  58 * bios_set_interrupt_handler() - Install an interrupt handler for the BIOS
  59 *
  60 * This installs an interrupt handler that the BIOS will call when needed.
  61 *
  62 * @intnum:             Interrupt number to install a handler for
  63 * @int_handler_func:   Function to call to handle interrupt
  64 */
  65void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void));
  66
  67void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void));
  68
  69#ifdef CONFIG_DM_PCI
  70int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo);
  71
  72int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len,
  73                BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
  74                struct vbe_mode_info *mode_info);
  75#else
  76int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo);
  77
  78int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len,
  79                BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
  80                struct vbe_mode_info *mode_info);
  81#endif
  82
  83#endif
  84