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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Access to VGA videoram
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*/
#ifndef _LINUX_ASM_VGA_H_
#define _LINUX_ASM_VGA_H_
#include <linux/bug.h>
#include <linux/string.h>
#include <asm/types.h>
#define VT_BUF_HAVE_RW
#define VT_BUF_HAVE_MEMSETW
#define VT_BUF_HAVE_MEMCPYW
#define VT_BUF_HAVE_MEMMOVEW
#undef scr_writew
#undef scr_readw
static inline void scr_writew(u16 val, u16 *addr)
{
BUG_ON((long) addr >= 0);
*addr = val;
}
static inline u16 scr_readw(const u16 *addr)
{
BUG_ON((long) addr >= 0);
return *addr;
}
static inline void scr_memsetw(u16 *p, u16 v, unsigned int n)
{
BUG_ON((long) p >= 0);
memset16(p, cpu_to_le16(v), n / 2);
}
static inline void scr_memcpyw(u16 *d, u16 *s, unsigned int n)
{
BUG_ON((long) d >= 0);
memcpy(d, s, n);
}
static inline void scr_memmovew(u16 *d, u16 *s, unsigned int n)
{
BUG_ON((long) d >= 0);
memmove(d, s, n);
}
#define VGA_MAP_MEM(x,s) (x)
#endif