From c0ec406c80a65590dbdb60ed0d0c8e73e6c3884f Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Mon, 11 Jul 2005 10:37:51 +0000 Subject: [PATCH] Fix endianess bugs. Signed-off-by: Ralf Baechle --- include/asm-mips/vga.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/include/asm-mips/vga.h b/include/asm-mips/vga.h index 6b35cf054c7..ca5cec97e16 100644 --- a/include/asm-mips/vga.h +++ b/include/asm-mips/vga.h @@ -6,6 +6,8 @@ #ifndef _ASM_VGA_H #define _ASM_VGA_H +#include + /* * On the PC, we can just recalculate addresses and then * access the videoram directly without any black magic. @@ -16,4 +18,27 @@ #define vga_readb(x) (*(x)) #define vga_writeb(x,y) (*(y) = (x)) +#define VT_BUF_HAVE_RW +/* + * These are only needed for supporting VGA or MDA text mode, which use little + * endian byte ordering. + * In other cases, we can optimize by using native byte ordering and + * has already done the right job for us. + */ + +static inline void scr_writew(u16 val, volatile u16 *addr) +{ + *addr = cpu_to_le16(val); +} + +static inline u16 scr_readw(volatile const u16 *addr) +{ + return le16_to_cpu(*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 /* _ASM_VGA_H */ -- 2.20.1