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62 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UVESAFB_H
#define _UVESAFB_H
#include <linux/types.h>
struct v86_regs {
__u32 ebx;
__u32 ecx;
__u32 edx;
__u32 esi;
__u32 edi;
__u32 ebp;
__u32 eax;
__u32 eip;
__u32 eflags;
__u32 esp;
__u16 cs;
__u16 ss;
__u16 es;
__u16 ds;
__u16 fs;
__u16 gs;
};
/* Task flags */
#define TF_VBEIB 0x01
#define TF_BUF_ESDI 0x02
#define TF_BUF_ESBX 0x04
#define TF_BUF_RET 0x08
#define TF_EXIT 0x10
struct uvesafb_task {
__u8 flags;
int buf_len;
struct v86_regs regs;
};
/* Constants for the capabilities field
* in vbe_ib */
#define VBE_CAP_CAN_SWITCH_DAC 0x01
#define VBE_CAP_VGACOMPAT 0x02
/* The VBE Info Block */
struct vbe_ib {
char vbe_signature[4];
__u16 vbe_version;
__u32 oem_string_ptr;
__u32 capabilities;
__u32 mode_list_ptr;
__u16 total_memory;
__u16 oem_software_rev;
__u32 oem_vendor_name_ptr;
__u32 oem_product_name_ptr;
__u32 oem_product_rev_ptr;
__u8 reserved[222];
char oem_data[256];
char misc_data[512];
} __attribute__ ((packed));
#endif /* _UVESAFB_H */