bios_emul.h 2.3 KB

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