1 #include <linux/kernel.h>
2 #include <linux/types.h>
3 #include <linux/mutex.h>
6 #include <linux/jump_label.h>
7 #include <linux/memory.h>
9 #include <asm/cacheflush.h>
11 #ifdef HAVE_JUMP_LABEL
13 void arch_jump_label_transform(struct jump_entry *entry,
14 enum jump_label_type type)
17 u32 *insn = (u32 *) (unsigned long) entry->code;
19 if (type == JUMP_LABEL_ENABLE) {
20 s32 off = (s32)entry->target - (s32)entry->code;
23 /* ba,pt %xcc, . + (off << 2) */
24 val = 0x10680000 | ((u32) off >> 2);
26 /* ba . + (off << 2) */
27 val = 0x10800000 | ((u32) off >> 2);
34 mutex_lock(&text_mutex);
37 mutex_unlock(&text_mutex);