blob: 48014d8e3af1efa9e7c701c59140ec75f658180f (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>
#include "soft-fp.h"
int
mtfsf(unsigned int FM, u32 *frB)
{
u32 mask;
if (FM == 0)
return 0;
if (FM == 0xff)
mask = 0x9fffffff;
else {
mask = 0;
if (FM & (1 << 0))
mask |= 0x90000000;
if (FM & (1 << 1))
mask |= 0x0f000000;
if (FM & (1 << 2))
mask |= 0x00f00000;
if (FM & (1 << 3))
mask |= 0x000f0000;
if (FM & (1 << 4))
mask |= 0x0000f000;
if (FM & (1 << 5))
mask |= 0x00000f00;
if (FM & (1 << 6))
mask |= 0x000000f0;
if (FM & (1 << 7))
mask |= 0x0000000f;
}
__FPU_FPSCR &= ~(mask);
__FPU_FPSCR |= (frB[1] & mask);
#ifdef DEBUG
printk("%s: %02x %p: %08lx\n", __func__, FM, frB, __FPU_FPSCR);
#endif
return 0;
}
|