| // SPDX-License-Identifier: GPL-2.0 |
| #include <linux/kernel.h> |
| #include <linux/jump_label.h> |
| #include <linux/memory.h> |
| #include <asm/cacheflush.h> |
| void arch_jump_label_transform(struct jump_entry *entry, |
| enum jump_label_type type) |
| u32 *insn = (u32 *) (unsigned long) entry->code; |
| if (type == JUMP_LABEL_JMP) { |
| s32 off = (s32)entry->target - (s32)entry->code; |
| bool use_v9_branch = false; |
| if (off <= 0xfffff && off >= -0x100000) |
| /* WDISP19 - target is . + immed << 2 */ |
| /* ba,pt %xcc, . + off */ |
| val = 0x10680000 | (((u32) off >> 2) & 0x7ffff); |
| /* WDISP22 - target is . + immed << 2 */ |
| val = 0x10800000 | (((u32) off >> 2) & 0x3fffff); |
| mutex_unlock(&text_mutex); |