tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Fix endianess bugs.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
+25
+25
include/asm-mips/vga.h
+25
include/asm-mips/vga.h
···
6
6
#ifndef _ASM_VGA_H
7
7
#define _ASM_VGA_H
8
8
9
+
#include <asm/byteorder.h>
10
+
9
11
/*
10
12
* On the PC, we can just recalculate addresses and then
11
13
* access the videoram directly without any black magic.
···
17
15
18
16
#define vga_readb(x) (*(x))
19
17
#define vga_writeb(x,y) (*(y) = (x))
18
+
19
+
#define VT_BUF_HAVE_RW
20
+
/*
21
+
* These are only needed for supporting VGA or MDA text mode, which use little
22
+
* endian byte ordering.
23
+
* In other cases, we can optimize by using native byte ordering and
24
+
* <linux/vt_buffer.h> has already done the right job for us.
25
+
*/
26
+
27
+
static inline void scr_writew(u16 val, volatile u16 *addr)
28
+
{
29
+
*addr = cpu_to_le16(val);
30
+
}
31
+
32
+
static inline u16 scr_readw(volatile const u16 *addr)
33
+
{
34
+
return le16_to_cpu(*addr);
35
+
}
36
+
37
+
#define scr_memcpyw(d, s, c) memcpy(d, s, c)
38
+
#define scr_memmovew(d, s, c) memmove(d, s, c)
39
+
#define VT_BUF_HAVE_MEMCPYW
40
+
#define VT_BUF_HAVE_MEMMOVEW
20
41
21
42
#endif /* _ASM_VGA_H */