cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vga.h (964B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 *	Access to VGA videoram
      4 *
      5 *	(c) 1998 Martin Mares <mj@ucw.cz>
      6 */
      7
      8#ifndef _LINUX_ASM_VGA_H_
      9#define _LINUX_ASM_VGA_H_
     10
     11#include <linux/bug.h>
     12#include <linux/string.h>
     13#include <asm/types.h>
     14
     15#define VT_BUF_HAVE_RW
     16#define VT_BUF_HAVE_MEMSETW
     17#define VT_BUF_HAVE_MEMCPYW
     18#define VT_BUF_HAVE_MEMMOVEW
     19
     20#undef scr_writew
     21#undef scr_readw
     22
     23static inline void scr_writew(u16 val, u16 *addr)
     24{
     25	BUG_ON((long) addr >= 0);
     26
     27	*addr = val;
     28}
     29
     30static inline u16 scr_readw(const u16 *addr)
     31{
     32	BUG_ON((long) addr >= 0);
     33
     34	return *addr;
     35}
     36
     37static inline void scr_memsetw(u16 *p, u16 v, unsigned int n)
     38{
     39	BUG_ON((long) p >= 0);
     40
     41	memset16(p, cpu_to_le16(v), n / 2);
     42}
     43
     44static inline void scr_memcpyw(u16 *d, u16 *s, unsigned int n)
     45{
     46	BUG_ON((long) d >= 0);
     47
     48	memcpy(d, s, n);
     49}
     50
     51static inline void scr_memmovew(u16 *d, u16 *s, unsigned int n)
     52{
     53	BUG_ON((long) d >= 0);
     54
     55	memmove(d, s, n);
     56}
     57
     58#define VGA_MAP_MEM(x,s) (x)
     59
     60#endif