http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/vt_buffer.h

/* * 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/config.h> #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE) #include <asm/vga.h> #endif #ifndef VT_BUF_HAVE_RW #define scr_writew(val, addr) (*(addr) = (val)) #define scr_readw(addr) (*(addr)) #define scr_memcpyw(d, s, c) memcpy(d, s, c) #define scr_memmovew(d, s, c) memmove(d, s, c) #define VT_BUF_HAVE_MEMCPYW #define VT_BUF_HAVE_MEMMOVEW #endif #ifndef VT_BUF_HAVE_MEMSETW static inline void scr_memsetw(u16 *s, u16 c, unsigned int count) { count /= 2; while (count--) scr_writew(c, s++); } #endif #ifndef VT_BUF_HAVE_MEMCPYW static inline void scr_memcpyw(u16 *d, const u16 *s, unsigned int count) { count /= 2; while (count--) scr_writew(scr_readw(s++), d++); } #endif #ifndef VT_BUF_HAVE_MEMMOVEW static inline void scr_memmovew(u16 *d, const u16 *s, unsigned int count) { if (d < s) scr_memcpyw(d, s, count); else { count /= 2; d += count; s += count; while (count--) scr_writew(scr_readw(--s), --d); } } #endif #endif