1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
/*
* linux/include/asm-arm/proc-armv/uncompress.h
*
* (c) 1997 Russell King
*/
static inline void proc_decomp_setup (void)
{
__asm__ __volatile__("
mrc p15, 0, r0, c0, c0
eor r0, r0, #0x44 << 24
eor r0, r0, #0x01 << 16
eor r0, r0, #0xA1 << 8
movs r0, r0, lsr #5
mcreq p15, 0, r0, c7, c5, 0 @ flush I cache
mrceq p15, 0, r0, c1, c0
orreq r0, r0, #1 << 12
mcreq p15, 0, r0, c1, c0 @ enable I cache
mov r0, #0
mcreq p15, 0, r0, c15, c1, 2 @ enable clock switching
" : : : "r0", "cc", "memory");
}
|
