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Kirill Smelkov
linux
Commits
c0ec406c
Commit
c0ec406c
authored
Jul 11, 2005
by
Ralf Baechle
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Fix endianess bugs.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
3ef33e68
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include/asm-mips/vga.h
include/asm-mips/vga.h
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include/asm-mips/vga.h
View file @
c0ec406c
...
@@ -6,6 +6,8 @@
...
@@ -6,6 +6,8 @@
#ifndef _ASM_VGA_H
#ifndef _ASM_VGA_H
#define _ASM_VGA_H
#define _ASM_VGA_H
#include <asm/byteorder.h>
/*
/*
* On the PC, we can just recalculate addresses and then
* On the PC, we can just recalculate addresses and then
* access the videoram directly without any black magic.
* access the videoram directly without any black magic.
...
@@ -16,4 +18,27 @@
...
@@ -16,4 +18,27 @@
#define vga_readb(x) (*(x))
#define vga_readb(x) (*(x))
#define vga_writeb(x,y) (*(y) = (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
* <linux/vt_buffer.h> 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 */
#endif
/* _ASM_VGA_H */
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