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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Access to VGA videoram
- *
- * (c) 1998 Martin Mares <[email protected]>
- */
- #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
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