Root/
1 | #include <linux/kernel.h> |
2 | #include <linux/types.h> |
3 | #include <linux/mutex.h> |
4 | #include <linux/cpu.h> |
5 | |
6 | #include <linux/jump_label.h> |
7 | #include <linux/memory.h> |
8 | |
9 | #ifdef HAVE_JUMP_LABEL |
10 | |
11 | void arch_jump_label_transform(struct jump_entry *entry, |
12 | enum jump_label_type type) |
13 | { |
14 | u32 val; |
15 | u32 *insn = (u32 *) (unsigned long) entry->code; |
16 | |
17 | if (type == JUMP_LABEL_ENABLE) { |
18 | s32 off = (s32)entry->target - (s32)entry->code; |
19 | |
20 | #ifdef CONFIG_SPARC64 |
21 | /* ba,pt %xcc, . + (off << 2) */ |
22 | val = 0x10680000 | ((u32) off >> 2); |
23 | #else |
24 | /* ba . + (off << 2) */ |
25 | val = 0x10800000 | ((u32) off >> 2); |
26 | #endif |
27 | } else { |
28 | val = 0x01000000; |
29 | } |
30 | |
31 | get_online_cpus(); |
32 | mutex_lock(&text_mutex); |
33 | *insn = val; |
34 | flushi(insn); |
35 | mutex_unlock(&text_mutex); |
36 | put_online_cpus(); |
37 | } |
38 | |
39 | void arch_jump_label_text_poke_early(jump_label_t addr) |
40 | { |
41 | u32 *insn_p = (u32 *) (unsigned long) addr; |
42 | |
43 | *insn_p = 0x01000000; |
44 | flushi(insn_p); |
45 | } |
46 | |
47 | #endif |
48 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9