Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
C
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950/* SPDX-License-Identifier: GPL-2.0 *//* * include/linux/vt_buffer.h -- Access to VT screen buffer * * (c) 1998 Martin Mares <mj@ucw.cz> * * This is a set of macros and functions which are used in the * console driver and related code to access the screen buffer. * In most cases the console works with simple in-memory buffer, * but when handling hardware text mode consoles, we store * the foreground console directly in video memory. */
#ifndef _LINUX_VT_BUFFER_H_#define _LINUX_VT_BUFFER_H_
#include <linux/string.h>
#if IS_ENABLED(CONFIG_VGA_CONSOLE)#include <asm/vga.h>#endif
#ifndef VT_BUF_HAVE_RW#define scr_writew(val, addr) (*(addr) = (val))#define scr_readw(addr) (*(addr))#endif
#ifndef VT_BUF_HAVE_MEMSETWstatic inline void scr_memsetw(u16 *s, u16 c, unsigned int count){ memset16(s, c, count / 2);}#endif
#ifndef VT_BUF_HAVE_MEMCPYWstatic inline void scr_memcpyw(u16 *d, const u16 *s, unsigned int count){ memcpy(d, s, count);}#endif
#ifndef VT_BUF_HAVE_MEMMOVEWstatic inline void scr_memmovew(u16 *d, const u16 *s, unsigned int count){ memmove(d, s, count);}#endif
#endif